rcardoso@rcardoso:~/oss-performance$ gdb hhvm core
GNU gdb (Ubuntu 7.9-1ubuntu1) 7.9
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This GDB was configured as "powerpc64le-linux-gnu".
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Reading symbols from hhvm...done.
[New LWP 26137]
[New LWP 26149]
[New LWP 26133]
[New LWP 26153]
[New LWP 26132]
[New LWP 26161]
[New LWP 26154]
[New LWP 25913]
[New LWP 26148]
[New LWP 26152]
[New LWP 26138]
[New LWP 25914]
[New LWP 25862]
[New LWP 26150]
[New LWP 26128]
[New LWP 26156]
[New LWP 26155]
[New LWP 26136]
[New LWP 26147]
[New LWP 25866]
[New LWP 26151]
[New LWP 26160]
[New LWP 26162]
[New LWP 25868]
[New LWP 25865]
[New LWP 26139]
[New LWP 26140]
[New LWP 26135]
[New LWP 26130]
[New LWP 26131]
[New LWP 26127]
[New LWP 25870]
[New LWP 26126]
[New LWP 26129]
[New LWP 26124]
[New LWP 26125]
[New LWP 26165]
[New LWP 26164]
[New LWP 26123]
[New LWP 26134]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/powerpc64le-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/local/bin/hhvm -m server -p 8092 -v AdminServer.Port=8093 -v Server.Type=p'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x0000000013e2f974 in std::atomic<HPHP::Attr>::load(std::memory_order) const ()
(gdb) thread apply all bt

Thread 40 (Thread 0x3fff413fac00 (LWP 26134)):
#0  0x00003fff8be66b48 in fsync () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000000013df7834 in HPHP::bt_handler(int) ()
#2  <signal handler called>
#3  0x0000000013e2f974 in std::atomic<HPHP::Attr>::load(std::memory_order) const ()
#4  0x0000000013e2ab78 in HPHP::Func::AtomicAttr::operator HPHP::Attr() const ()
#5  0x0000000013fc7c48 in HPHP::Func::isBuiltin() const ()
#6  0x00000000152ee9d0 in HPHP::jit::decodeCufIterHelper(HPHP::Iter*, HPHP::TypedValue) ()
#7  0x000001002ce76b0c in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 39 (Thread 0x3fff5fffac00 (LWP 26123)):
#0  0x000001002ce6ef80 in ?? ()
#1  0x000001002ce7bab8 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 38 (Thread 0x3ffefa3fac00 (LWP 26164)):
#0  clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:77
#1  0x00003fff8be560f8 in create_thread (pd=0x3ffefa3fac00, attr=0x3d0f00, stopped_start=<optimized out>, stackaddr=<optimized out>,
    thread_ran=0x3fff7e3f9028) at ../sysdeps/unix/sysv/linux/createthread.c:102
#2  0x0000000000000000 in ?? ()

Thread 37 (Thread 0x3ffef97fac00 (LWP 26165)):
#0  clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:77
#1  0x00003fff8be560f8 in create_thread (pd=0x3ffef97fac00, attr=0x3d0f00, stopped_start=<optimized out>, stackaddr=<optimized out>,
    thread_ran=0x3fff7e3f9028) at ../sysdeps/unix/sysv/linux/createthread.c:102
#2  0x0000000000000000 in ?? ()

Thread 36 (Thread 0x3fff5effac00 (LWP 26125)):
#0  0x0000000013e743f4 in HPHP::StringData::hash() const ()
#1  0x0000000013f66134 in HPHP::string_data_hash::operator()(HPHP::StringData const*) const ()
#2  0x0000000013f81dcc in unsigned long folly::AtomicHashArray<HPHP::StringData const*, HPHP::pcre_cache_entry const*, HPHP::string_data_hash, HPHP::PCRECache::ahm_string_data_same, std::allocator<char>, folly::AtomicHashArrayLinearProbeFcn, folly::detail::AHAIdentity>::keyToAnchorIdx<HPHP::StringData*, HPHP::string_data_hash>(HPHP::StringData*) const ()
#3  0x0000000013f7e604 in folly::AtomicHashArray<HPHP::StringData const*, HPHP::pcre_cache_entry const*, HPHP::string_data_hash, HPHP::PCRECache::ahm_string_data_same, std::allocator<char>, folly::AtomicHashArrayLinearProbeFcn, folly::detail::AHAIdentity>::SimpleRetT folly::AtomicHashArray<HPHP::StringData const*, HPHP::pcre_cache_entry const*, HPHP::string_data_hash, HPHP::PCRECache::ahm_string_data_same, std::allocator<char>, folly::AtomicHashArrayLinearProbeFcn, folly::detail::AHAIdentity>::findInternal<HPHP::StringData*, HPHP::string_data_hash, HPHP::PCRECache::ahm_string_data_same>(HPHP::StringData*) ()
#4  0x0000000013f7a6e8 in folly::AtomicHashArray<HPHP::StringData const*, HPHP::pcre_cache_entry const*, HPHP::string_data_hash, HPHP::PCRECache::ahm_string_data_same, std::allocator<char>, folly::AtomicHashArrayLinearProbeFcn, folly::detail::AHAIdentity>::aha_iterator<folly::AtomicHashArray<HPHP::StringData const*, HPHP::pcre_cache_entry const*, HPHP::string_data_hash, HPHP::PCRECache::ahm_string_data_same, std::allocator<char>, folly::AtomicHashArrayLinearProbeFcn, folly::detail::AHAIdentity>, std::pair<HPHP::StringData const* const, HPHP::pcre_cache_entry const*> > folly::AtomicHashArray<HPHP::StringData const*, HPHP::pcre_cache_entry const*, HPHP::string_data_hash, HPHP::PCRECache::ahm_string_data_same, std::allocator<char>, folly::AtomicHashArrayLinearProbeFcn, folly::detail::AHAIdentity>::find<HPHP::StringData*, HPHP::string_data_hash, HPHP::PCRECache::ahm_string_data_same>(HPHP::StringData*) ()
#5  0x0000000013f69794 in HPHP::PCRECache::find(HPHP::PCRECache::Accessor&, HPHP::String const&, std::unique_ptr<HPHP::LRUCacheKey, std::default_delete<HPHP::LRUCacheKey> >&) ()
#6  0x0000000013f6aeb8 in HPHP::pcre_get_compiled_regex_cache(HPHP::PCRECache::Accessor&, HPHP::String const&) ()
#7  0x0000000013f710b8 in HPHP::php_pcre_replace(HPHP::String const&, HPHP::String const&, HPHP::Variant const&, bool, int, int*) ()
#8  0x0000000013f72d1c in HPHP::php_replace_in_subject(HPHP::Variant const&, HPHP::Variant const&, HPHP::String, int, bool, int*) ()
#9  0x0000000013f742c8 in HPHP::preg_replace_impl(HPHP::Variant const&, HPHP::Variant const&, HPHP::Variant const&, int, HPHP::Variant*, bool, bool) ()
#10 0x0000000015d7455c in HPHP::f_preg_replace(HPHP::Variant const&, HPHP::Variant const&, HPHP::Variant const&, int, HPHP::VRefParamValue const&) ()
#11 0x000001002cefdd0c in ?? ()
#12 0x0000010030f0e370 in ?? ()
#13 0x0000010030f0a4b8 in ?? ()
#14 0x000001002ce99c6c in ?? ()
#15 0x000001002ce6b9e0 in ?? ()
#16 0x0000010034e00284 in ?? ()
#17 0x0000010034e00284 in ?? ()
#18 0x0000010034e00284 in ?? ()
#19 0x0000010034e00284 in ?? ()
---Type <return> to continue, or q <return> to quit---
#20 0x000001002d200458 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 35 (Thread 0x3fff5f7fac00 (LWP 26124)):
#0  0x0000000013ecedc4 in HPHP::MixedArray::Elm::hash() const ()
#1  0x00000000143bd338 in HPHP::MixedArray::find(HPHP::StringData const*, int) const::{lambda(HPHP::MixedArray::Elm const&)#1}::operator()(HPHP::MixedArray::Elm const&) const ()
#2  0x00000000143bd504 in HPHP::MixedArray::find(HPHP::StringData const*, int) const ()
#3  0x00000000143c2c1c in HPHP::MixedArray::NvGetStr(HPHP::ArrayData const*, HPHP::StringData const*) ()
#4  0x0000000013fab468 in HPHP::ArrayData::nvGet(HPHP::StringData const*) const ()
#5  0x0000000015361468 in unsigned long HPHP::jit::MInstrHelpers::arrayIssetImpl<(HPHP::KeyType)2, false>(HPHP::ArrayData*, HPHP::KeyTypeTraits<(HPHP::KeyType)2>::type) ()
#6  0x0000000015354298 in HPHP::jit::MInstrHelpers::arrayIssetS(HPHP::ArrayData*, HPHP::StringData*) ()
#7  0x000001002ce6da3c in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 34 (Thread 0x3fff58ffac00 (LWP 26129)):
#0  0x00003fff8baf99b8 in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000000016fd8350 in poll (__timeout=<optimized out>, __nfds=1, __fds=<optimized out>) at /usr/include/powerpc64le-linux-gnu/bits/poll2.h:46
#2  vio_io_wait (timeout=..., timeout@entry=..., event=VIO_IO_EVENT_READ, vio=0x3fff7cbfa200)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/vio/viosocket.c:808
#3  vio_socket_io_wait (event=VIO_IO_EVENT_READ, vio=0x3fff7cbfa200) at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/vio/viosocket.c:70
#4  vio_read (vio=0x3fff7cbfa200, buf=0x3fff602d0000 "\001", size=16384)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/vio/viosocket.c:134
#5  0x0000000016fd845c in vio_read_buff (vio=0x3fff7cbfa200, buf=0x3fff4de1f800 "O", size=4)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/vio/viosocket.c:174
#6  0x0000000016fc339c in net_read_raw_loop (net=0x3fff79681000, count=4)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql/net_serv.cc:988
#7  0x0000000016fc34fc in net_read_packet_header (net=0x3fff79681000) at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql/net_serv.cc:1139
#8  net_read_packet (net=0x3fff79681000, complen=0x3fff58ff8020) at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql/net_serv.cc:1375
#9  0x0000000016fc5b3c in my_net_read (net=0x3fff79681000) at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql/net_serv.cc:1475
#10 0x0000000016fabe30 in cli_safe_read_with_ok (mysql=<optimized out>, read_ok=0 '\000')
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:864
#11 0x0000000016fb032c in cli_safe_read (mysql=0x3fff79681000) at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:992
#12 cli_read_query_result (mysql=0x3fff79681000) at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:5715
#13 0x0000000016fb3388 in mysql_real_query (mysql=0x3fff79681000,
    query=0x3fff4dc16f58 "SELECT option_value FROM wp_options WHERE option_name = 'widget_pages' LIMIT 1", length=78)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:5885
#14 0x000000001598237c in HPHP::php_mysql_do_query(HPHP::String const&, HPHP::Variant const&, bool) ()
#15 0x00000000159a03d4 in HPHP::c_mysqli_ni_hh_real_query(HPHP::ObjectData*, HPHP::String const&) ()
#16 0x000001002ced9cb0 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 33 (Thread 0x3fff5e7fac00 (LWP 26126)):
#0  0x0000010030e3b460 in ?? ()
#1  0x0000010030f3b6e8 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 32 (Thread 0x3fff7d3fac00 (LWP 25870)):
#0  0x00003fff8baf99b8 in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000000016fd8350 in poll (__timeout=<optimized out>, __nfds=1, __fds=<optimized out>) at /usr/include/powerpc64le-linux-gnu/bits/poll2.h:46
#2  vio_io_wait (timeout=..., timeout@entry=..., event=VIO_IO_EVENT_READ, vio=0x3fff7ca4b200)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/vio/viosocket.c:808
#3  vio_socket_io_wait (event=VIO_IO_EVENT_READ, vio=0x3fff7ca4b200) at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/vio/viosocket.c:70
#4  vio_read (vio=0x3fff7ca4b200, buf=0x3fff886e4000 "\001", size=16384)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/vio/viosocket.c:134
#5  0x0000000016fd845c in vio_read_buff (vio=0x3fff7ca4b200, buf=0x3fff88b8d000 "R", size=4)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/vio/viosocket.c:174
#6  0x0000000016fc339c in net_read_raw_loop (net=0x3fff7c874000, count=4)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql/net_serv.cc:988
#7  0x0000000016fc34fc in net_read_packet_header (net=0x3fff7c874000) at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql/net_serv.cc:1139
---Type <return> to continue, or q <return> to quit---
#8  net_read_packet (net=0x3fff7c874000, complen=0x3fff7d3f8020) at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql/net_serv.cc:1375
#9  0x0000000016fc5b3c in my_net_read (net=0x3fff7c874000) at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql/net_serv.cc:1475
#10 0x0000000016fabe30 in cli_safe_read_with_ok (mysql=<optimized out>, read_ok=0 '\000')
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:864
#11 0x0000000016fb032c in cli_safe_read (mysql=0x3fff7c874000) at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:992
#12 cli_read_query_result (mysql=0x3fff7c874000) at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:5715
#13 0x0000000016fb3388 in mysql_real_query (mysql=0x3fff7c874000,
    query=0x3fff7a837098 "SELECT option_value FROM wp_options WHERE option_name = 'widget_nav_menu' LIMIT 1", length=81)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:5885
#14 0x000000001598237c in HPHP::php_mysql_do_query(HPHP::String const&, HPHP::Variant const&, bool) ()
#15 0x00000000159a03d4 in HPHP::c_mysqli_ni_hh_real_query(HPHP::ObjectData*, HPHP::String const&) ()
#16 0x000001002ced9cb0 in ?? ()
#17 0x000001002ced9738 in ?? ()
#18 0x000001002cede338 in ?? ()
#19 0x000001002cedba38 in ?? ()
#20 0x0000010030f59438 in ?? ()
#21 0x000001002ce7d3f8 in ?? ()
#22 0x0000010034e00284 in ?? ()
#23 0x0000010030f51e50 in ?? ()
#24 0x0000010030f51b40 in ?? ()
#25 0x000001002ce99c6c in ?? ()
#26 0x0000010030f41838 in ?? ()
#27 0x000001002ce99c6c in ?? ()
#28 0x000001002ce6c0b8 in ?? ()
#29 0x0000010034e00284 in ?? ()
#30 0x0000010034e00284 in ?? ()
#31 0x0000010034e00284 in ?? ()
#32 0x0000010034e00284 in ?? ()
#33 0x000001002d200458 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 31 (Thread 0x3fff5dffac00 (LWP 26127)):
#0  send () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/socket.S:113
#1  0x0000000016fd8664 in inline_mysql_socket_send (flags=64, n=187, buf=0x3fff4df8f800, mysql_socket=...)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/include/mysql/psi/mysql_socket.h:759
#2  vio_write (vio=0x3fff7cbe1000, buf=0x3fff4df8f800 "\267", size=187)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/vio/viosocket.c:216
#3  0x0000000016fc4468 in net_write_raw_loop (count=187, buf=0x3fff4df8f800 "\267", net=0x3fff387f1000)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql/net_serv.cc:818
#4  net_write_packet (net=0x3fff387f1000, packet=0x3fff4df8f800 "\267", length=187)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql/net_serv.cc:955
#5  0x0000000016fc5068 in net_flush (net=0x3fff387f1000) at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql/net_serv.cc:241
#6  net_write_command (net=0x3fff387f1000, command=<optimized out>, header=0x0, head_len=0,
    packet=0x3fff8648bc98 "SELECT SQL_CALC_FOUND_ROWS  wp_posts.ID FROM wp_posts  WHERE 1=1  AND wp_posts.post_type = 'post' AND (wp_posts.post_status = 'publish')  ORDER BY wp_posts.post_date DESC LIMIT 0, 10", len=182) at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql/net_serv.cc:713
#7  0x0000000016fb6678 in cli_advanced_command (mysql=0x3fff387f1000, command=<optimized out>, header=0x0, header_length=0,
    arg=0x3fff8648bc98 "SELECT SQL_CALC_FOUND_ROWS  wp_posts.ID FROM wp_posts  WHERE 1=1  AND wp_posts.post_type = 'post' AND (wp_posts.post_status = 'publish')  ORDER BY wp_posts.post_date DESC LIMIT 0, 10", arg_length=182, skip_check=<optimized out>, stmt=<optimized out>)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:1067
#8  0x0000000016fb335c in mysql_send_query (length=182,
    query=0x3fff8648bc98 "SELECT SQL_CALC_FOUND_ROWS  wp_posts.ID FROM wp_posts  WHERE 1=1  AND wp_posts.post_type = 'post' AND (wp_posts.post_status = 'publish')  ORDER BY wp_posts.post_date DESC LIMIT 0, 10", mysql=0x3fff387f1000)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:5871
#9  mysql_real_query (mysql=0x3fff387f1000,
    query=0x3fff8648bc98 "SELECT SQL_CALC_FOUND_ROWS  wp_posts.ID FROM wp_posts  WHERE 1=1  AND wp_posts.post_type = 'post' AND (wp_posts.post_status = 'publish')  ORDER BY wp_posts.post_date DESC LIMIT 0, 10", length=182) at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:5883
#10 0x000000001598237c in HPHP::php_mysql_do_query(HPHP::String const&, HPHP::Variant const&, bool) ()
#11 0x00000000159a03d4 in HPHP::c_mysqli_ni_hh_real_query(HPHP::ObjectData*, HPHP::String const&) ()
#12 0x000001002ced9cb0 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

---Type <return> to continue, or q <return> to quit---
Thread 30 (Thread 0x3fff57ffac00 (LWP 26131)):
#0  0x00003fff8baf99b8 in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000000016fd8350 in poll (__timeout=<optimized out>, __nfds=1, __fds=<optimized out>) at /usr/include/powerpc64le-linux-gnu/bits/poll2.h:46
#2  vio_io_wait (timeout=..., timeout@entry=..., event=VIO_IO_EVENT_READ, vio=0x3fff7d633400)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/vio/viosocket.c:808
#3  vio_socket_io_wait (event=VIO_IO_EVENT_READ, vio=0x3fff7d633400) at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/vio/viosocket.c:70
#4  vio_read (vio=0x3fff7d633400, buf=0x3fff16030000 "\a", size=16384) at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/vio/viosocket.c:134
#5  0x0000000016fd845c in vio_read_buff (vio=0x3fff7d633400, buf=0x3fff1611f800 "\t", size=4)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/vio/viosocket.c:174
#6  0x0000000016fc339c in net_read_raw_loop (net=0x3fff37be1000, count=4)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql/net_serv.cc:988
#7  0x0000000016fc34fc in net_read_packet_header (net=0x3fff37be1000) at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql/net_serv.cc:1139
#8  net_read_packet (net=0x3fff37be1000, complen=0x3fff57ff8870) at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql/net_serv.cc:1375
#9  0x0000000016fc5b3c in my_net_read (net=0x3fff37be1000) at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql/net_serv.cc:1475
#10 0x0000000016fac904 in cli_safe_read_with_ok (mysql=<optimized out>, read_ok=<optimized out>)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:864
#11 0x0000000016fb6798 in cli_advanced_command (mysql=0x3fff37be1000, command=<optimized out>, header=0x0, header_length=0, arg=0x3fff875e55d8 "wp_bench",
    arg_length=8, skip_check=<optimized out>, stmt=<optimized out>)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:1089
#12 0x0000000016fb2b04 in mysql_select_db (mysql=0x3fff37be1000, db=0x3fff875e55d8 "wp_bench")
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:5497
#13 0x000000001596b070 in HPHP::f_mysql_select_db(HPHP::String const&, HPHP::Variant const&) ()
#14 0x0000010030e27684 in ?? ()
#15 0x0000010030e27038 in ?? ()
#16 0x0000010030e26d58 in ?? ()
#17 0x0000010030e199b8 in ?? ()
#18 0x0000010030e0c7d8 in ?? ()
#19 0x0000010030e0ac70 in ?? ()
#20 0x000001002ce0c944 in ?? ()
#21 0x0000010034e00284 in ?? ()
#22 0x0000010034e00284 in ?? ()
#23 0x0000010034e00284 in ?? ()
#24 0x0000010034e00284 in ?? ()
#25 0x000001002d200458 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 29 (Thread 0x3fff587fac00 (LWP 26130)):
#0  0x0000000013df8d78 in HPHP::MemoryManager::smallSize2Index(unsigned int) ()
#1  0x0000000013df8f5c in HPHP::MemoryManager::mallocSmallSize(unsigned int) ()
#2  0x00000000143bb034 in HPHP::MixedArray::copyMixed() const ()
#3  0x00000000143c2a4c in HPHP::MixedArray::Copy(HPHP::ArrayData const*) ()
#4  0x0000000013faa838 in HPHP::EmptyArray::Merge(HPHP::ArrayData*, HPHP::ArrayData const*) ()
#5  0x0000000013ec07c4 in HPHP::ArrayData::merge(HPHP::ArrayData const*) ()
#6  0x000000001409f474 in HPHP::Array::mergeImpl(HPHP::ArrayData*) ()
#7  0x000000001409f17c in HPHP::Array::merge(HPHP::Array const&) ()
#8  0x0000000015edd1fc in HPHP::php_array_merge(HPHP::Array&, HPHP::Array const&) ()
#9  0x0000000015edf0f8 in HPHP::f_array_merge(long, HPHP::Native::NativeArg<HPHP::ArrayData>, HPHP::Variant const&, HPHP::Array const&) ()
#10 0x0000010030e9b04c in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 28 (Thread 0x3fff383fac00 (LWP 26135)):
#0  0x0000000014caaf24 in HPHP::jit::TransCFG::Node::~Node() ()
#1  0x0000000014cb3c88 in void std::_Destroy<HPHP::jit::TransCFG::Node>(HPHP::jit::TransCFG::Node*) ()
#2  0x0000000014cb1878 in void std::_Destroy_aux<false>::__destroy<HPHP::jit::TransCFG::Node*>(HPHP::jit::TransCFG::Node*, HPHP::jit::TransCFG::Node*) ()
#3  0x0000000014caf4f0 in void std::_Destroy<HPHP::jit::TransCFG::Node*>(HPHP::jit::TransCFG::Node*, HPHP::jit::TransCFG::Node*) ()
#4  0x0000000014cadb34 in void std::_Destroy<HPHP::jit::TransCFG::Node*, HPHP::jit::TransCFG::Node>(HPHP::jit::TransCFG::Node*, HPHP::jit::TransCFG::Node*, std::allocator<HPHP::jit::TransCFG::Node>&) ()
#5  0x0000000014cac04c in std::vector<HPHP::jit::TransCFG::Node, std::allocator<HPHP::jit::TransCFG::Node> >::~vector() ()
#6  0x0000000014d2e468 in HPHP::jit::TransCFG::~TransCFG() ()
#7  0x0000000014fa7670 in HPHP::jit::(anonymous namespace)::selectCalleeCFG(HPHP::Func const*, int, std::vector<HPHP::jit::Type, std::allocator<HPHP::jit::Type> >&, int) ()
---Type <return> to continue, or q <return> to quit---
#8  0x0000000014fa7b10 in HPHP::jit::selectCalleeRegion(HPHP::SrcKey const&, HPHP::Func const*, HPHP::jit::IRGS const&, HPHP::jit::InliningDecider&, int) ()
#9  0x0000000014b92280 in HPHP::jit::(anonymous namespace)::getInlinableCalleeRegion(HPHP::jit::ProfSrcKey const&, HPHP::Func const*, HPHP::jit::(anonymous namespace)::TranslateRetryContext&, HPHP::jit::InliningDecider&, HPHP::jit::IRGS const&, int, bool&) ()
#10 0x0000000014b93600 in HPHP::jit::(anonymous namespace)::irGenRegionImpl(HPHP::jit::IRGS&, HPHP::jit::RegionDesc const&, HPHP::jit::(anonymous namespace)::TranslateRetryContext&, HPHP::jit::InliningDecider&, int&, double, std::vector<std::pair<std::string, std::string>, std::allocator<std::pair<std::string, std::string> > >&) ()
#11 0x0000000014b94cfc in HPHP::jit::irGenRegion(HPHP::jit::RegionDesc const&, HPHP::jit::TransContext const&, HPHP::jit::PostConditions&, std::vector<std::pair<std::string, std::string>, std::allocator<std::pair<std::string, std::string> > >&) ()
#12 0x00000000154e0c44 in HPHP::jit::MCGenerator::translateWork(HPHP::jit::TranslArgs const&) ()
#13 0x00000000154db918 in HPHP::jit::MCGenerator::translate(HPHP::jit::TranslArgs const&) ()
#14 0x00000000154da1c4 in HPHP::jit::MCGenerator::retranslateOpt(int, bool) ()
#15 0x00000000154de46c in MCGenerator_handleServiceRequest ()
#16 0x000000001583004c in handleSRHelper ()
#17 0x0000010030eb3138 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 27 (Thread 0x3fff20bfac00 (LWP 26140)):
#0  0x00003fff8baf99b8 in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000000016fd91fc in poll (__timeout=<optimized out>, __nfds=1, __fds=<optimized out>) at /usr/include/powerpc64le-linux-gnu/bits/poll2.h:46
#2  vio_io_wait (vio=<optimized out>, event=<optimized out>, timeout=...)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/vio/viosocket.c:808
#3  0x0000000016fa8b78 in csm_complete_connect (ctx=0x3fff20bf82f0)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:4998
#4  0x0000000016fb25a0 in mysql_real_connect (mysql=0x3ffefe7e1000, host=0x3fff11412c78 "127.0.0.1", user=0x3fff875e55d8 "wp_bench",
    passwd=0x3fff875e55d8 "wp_bench", db=0x0, port=<optimized out>, unix_socket=0x3fff11413b58 "/var/run/mysqld/mysqld.sock", client_flag=0)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:4387
#5  0x0000000015978794 in HPHP::MySQL::connect(HPHP::String const&, int, HPHP::String const&, HPHP::String const&, HPHP::String const&, HPHP::String const&, int, int) ()
#6  0x000000001597a614 in HPHP::php_mysql_do_connect_on_link(std::shared_ptr<HPHP::MySQL>, HPHP::String, HPHP::String, HPHP::String, HPHP::String, int, bool, bool, int, int) ()
#7  0x000000001599fcc8 in HPHP::c_mysqli_ni_hh_real_connect(HPHP::ObjectData*, HPHP::Variant const&, HPHP::Variant const&, HPHP::Variant const&, HPHP::Variant const&, HPHP::Variant const&) ()
#8  0x0000010030e10968 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 26 (Thread 0x3fff213fac00 (LWP 26139)):
#0  0x00003fff8be65748 in __lll_lock_wait (futex=0x200, private=0) at lowlevellock.c:43
#1  0x00003fff8be5bb24 in __GI___pthread_mutex_lock (mutex=0x3fff88c000c8) at ../nptl/pthread_mutex_lock.c:80
#2  0x00003fff8c0b26c4 in ?? () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#3  0x00003fff8c0a7348 in posix_memalign () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#4  0x000000001481b654 in HPHP::(anonymous namespace)::StackElms::elms() ()
#5  0x000000001481bcc8 in HPHP::Stack::requestInit() ()
#6  0x00000000148a9368 in HPHP::ExecutionContext::requestInit() ()
#7  0x00000000140e62f0 in HPHP::hphp_session_init() ()
#8  0x00000000145c37b8 in HPHP::HttpRequestHandler::handleRequest(HPHP::Transport*) ()
#9  0x00000000146c8408 in HPHP::ServerWorker<std::shared_ptr<HPHP::ProxygenJob>, HPHP::ProxygenTransportTraits>::doJobImpl(std::shared_ptr<HPHP::ProxygenJob>, bool) ()
#10 0x00000000146c6ebc in HPHP::ServerWorker<std::shared_ptr<HPHP::ProxygenJob>, HPHP::ProxygenTransportTraits>::doJob(std::shared_ptr<HPHP::ProxygenJob>) ()
#11 0x00000000146a8944 in HPHP::JobQueueWorker<std::shared_ptr<HPHP::ProxygenJob>, HPHP::Server*, true, false, HPHP::JobQueueDropVMStack>::start() ()
#12 0x00000000146af344 in HPHP::AsyncFunc<HPHP::ServerWorker<std::shared_ptr<HPHP::ProxygenJob>, HPHP::ProxygenTransportTraits> >::run_(void*) ()
#13 0x00000000168a0b98 in HPHP::AsyncFuncImpl::threadFuncImpl() ()
#14 0x00000000168a055c in HPHP::AsyncFuncImpl::ThreadFunc(void*) ()
#15 0x000000001419ee00 in HPHP::start_routine_wrapper(void*) ()
#16 0x00003fff8be5833c in start_thread (arg=0x3fff213fac00) at pthread_create.c:335
#17 0x00003fff8bb0b014 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:96

Thread 25 (Thread 0x3fff7e3fac00 (LWP 25865)):
#0  0x00003fff8bb0bc18 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
#1  0x00003fff8c4615cc in ?? () from /usr/lib/powerpc64le-linux-gnu/libevent-2.0.so.5
#2  0x00003fff8c43f2a0 in event_base_loop () from /usr/lib/powerpc64le-linux-gnu/libevent-2.0.so.5
#3  0x0000000017a119b4 in folly::EventBase::loopBody(int) ()
---Type <return> to continue, or q <return> to quit---
#4  0x0000000017a1150c in folly::EventBase::loop() ()
#5  0x0000000017a12a08 in folly::EventBase::loopForever() ()
#6  0x0000000016d50500 in proxygen::WorkerThread::runLoop() ()
#7  0x0000000016d4f684 in proxygen::WorkerThread::start()::{lambda()#1}::operator()() ()
#8  0x0000000016d53518 in void std::_Bind_simple<proxygen::WorkerThread::start()::{lambda()#1} ()>::_M_invoke<>(std::_Index_tuple<>) ()
#9  0x0000000016d5331c in std::_Bind_simple<proxygen::WorkerThread::start()::{lambda()#1} ()>::operator()() ()
#10 0x0000000016d531d4 in std::thread::_Impl<std::_Bind_simple<proxygen::WorkerThread::start()::{lambda()#1} ()> >::_M_run() ()
#11 0x00003fff8bdda524 in ?? () from /usr/lib/powerpc64le-linux-gnu/libstdc++.so.6
#12 0x00003fff8be5833c in start_thread (arg=0x3fff7e3fac00) at pthread_create.c:335
#13 0x00003fff8bb0b014 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:96

Thread 24 (Thread 0x3fff70bfac00 (LWP 25868)):
#0  0x00003fff8be60c5c in __pthread_cond_wait (cond=0x3fff873fd7b0, mutex=0x3fff86f720b0) at pthread_cond_wait.c:186
#1  0x00000000168f95ac in HPHP::SynchronizableMulti::waitImpl(int, int, bool, timespec*) ()
#2  0x00000000168f8e08 in HPHP::SynchronizableMulti::wait(int, int, bool) ()
#3  0x00000000146b57d4 in HPHP::JobQueue<std::shared_ptr<HPHP::ProxygenJob>, false, HPHP::JobQueueDropVMStack>::dequeueMaybeExpiredImpl(int, int, bool, timespec const&, bool*) ()
#4  0x00000000146af160 in HPHP::JobQueue<std::shared_ptr<HPHP::ProxygenJob>, false, HPHP::JobQueueDropVMStack>::dequeueMaybeExpired(int, int, bool, bool*) ()
#5  0x00000000146a8890 in HPHP::JobQueueWorker<std::shared_ptr<HPHP::ProxygenJob>, HPHP::Server*, true, false, HPHP::JobQueueDropVMStack>::start() ()
#6  0x00000000146af344 in HPHP::AsyncFunc<HPHP::ServerWorker<std::shared_ptr<HPHP::ProxygenJob>, HPHP::ProxygenTransportTraits> >::run_(void*) ()
#7  0x00000000168a0b98 in HPHP::AsyncFuncImpl::threadFuncImpl() ()
#8  0x00000000168a055c in HPHP::AsyncFuncImpl::ThreadFunc(void*) ()
#9  0x000000001419ee00 in HPHP::start_routine_wrapper(void*) ()
#10 0x00003fff8be5833c in start_thread (arg=0x3fff70bfac00) at pthread_create.c:335
#11 0x00003fff8bb0b014 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:96

Thread 23 (Thread 0x3fff0c3fac00 (LWP 26162)):
#0  0x00003fff8be656d4 in __lll_lock_wait (futex=0x200, private=<optimized out>) at lowlevellock.c:46
#1  0x00003fff8be5bb24 in __GI___pthread_mutex_lock (mutex=0x3fff88c000c8) at ../nptl/pthread_mutex_lock.c:80
#2  0x00003fff8c0b135c in ?? () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#3  0x00003fff8c0b1894 in ?? () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#4  0x00003fff8c0d5658 in ?? () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#5  0x00003fff8c0a6c20 in malloc () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#6  0x00003fff8bd59cfc in operator new(unsigned long) () from /usr/lib/powerpc64le-linux-gnu/libstdc++.so.6
#7  0x00000000145a9d74 in HPHP::ThreadLocalNoCheck<HPHP::ServerStats>::create() ()
#8  0x00000000145a602c in HPHP::ThreadLocalNoCheck<HPHP::ServerStats>::getCheck() const ()
#9  0x000000001459b964 in HPHP::ServerStats::GetLogger() ()
#10 0x00000000140e47cc in HPHP::hphp_thread_init() ()
#11 0x00000000140e7bf8 in HPHP::SetThreadInitFini::SetThreadInitFini()::{lambda(void*)#1}::operator()(void*) const ()
#12 0x00000000140e7c44 in HPHP::SetThreadInitFini::SetThreadInitFini()::{lambda(void*)#1}::_FUN(void*) ()
#13 0x00000000168a0b70 in HPHP::AsyncFuncImpl::threadFuncImpl() ()
#14 0x00000000168a055c in HPHP::AsyncFuncImpl::ThreadFunc(void*) ()
#15 0x000000001419ee00 in HPHP::start_routine_wrapper(void*) ()
#16 0x00003fff8be5833c in start_thread (arg=0x3fff0c3fac00) at pthread_create.c:335
#17 0x00003fff8bb0b014 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:96

Thread 22 (Thread 0x3fff113fac00 (LWP 26160)):
#0  0x00003fff8be65748 in __lll_lock_wait (futex=0x200, private=0) at lowlevellock.c:43
#1  0x00003fff8be5bb24 in __GI___pthread_mutex_lock (mutex=0x3fff88c000c8) at ../nptl/pthread_mutex_lock.c:80
#2  0x00003fff8c0b135c in ?? () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#3  0x00003fff8c0b1894 in ?? () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#4  0x00003fff8c0d5658 in ?? () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#5  0x00003fff8c0a6c20 in malloc () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#6  0x00003fff8bd59cfc in operator new(unsigned long) () from /usr/lib/powerpc64le-linux-gnu/libstdc++.so.6
#7  0x00000000158c2b74 in HPHP::SessionExtension::threadInit() ()
#8  0x00000000158332b8 in HPHP::ExtensionRegistry::threadInit() ()
#9  0x00000000140e4834 in HPHP::hphp_thread_init() ()
#10 0x00000000140e7bf8 in HPHP::SetThreadInitFini::SetThreadInitFini()::{lambda(void*)#1}::operator()(void*) const ()
#11 0x00000000140e7c44 in HPHP::SetThreadInitFini::SetThreadInitFini()::{lambda(void*)#1}::_FUN(void*) ()
#12 0x00000000168a0b70 in HPHP::AsyncFuncImpl::threadFuncImpl() ()
#13 0x00000000168a055c in HPHP::AsyncFuncImpl::ThreadFunc(void*) ()
---Type <return> to continue, or q <return> to quit---
#14 0x000000001419ee00 in HPHP::start_routine_wrapper(void*) ()
#15 0x00003fff8be5833c in start_thread (arg=0x3fff113fac00) at pthread_create.c:335
#16 0x00003fff8bb0b014 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:96

Thread 21 (Thread 0x3fff14ffac00 (LWP 26151)):
#0  0x00003fff8baf99b8 in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000000016fd91fc in poll (__timeout=<optimized out>, __nfds=1, __fds=<optimized out>) at /usr/include/powerpc64le-linux-gnu/bits/poll2.h:46
#2  vio_io_wait (vio=<optimized out>, event=<optimized out>, timeout=...)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/vio/viosocket.c:808
#3  0x0000000016fa8b78 in csm_complete_connect (ctx=0x3fff14ff82f0)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:4998
#4  0x0000000016fb25a0 in mysql_real_connect (mysql=0x3ffefe7a1000, host=0x3fff02812c78 "127.0.0.1", user=0x3fff875e55d8 "wp_bench",
    passwd=0x3fff875e55d8 "wp_bench", db=0x0, port=<optimized out>, unix_socket=0x3fff02813b58 "/var/run/mysqld/mysqld.sock", client_flag=0)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:4387
#5  0x0000000015978794 in HPHP::MySQL::connect(HPHP::String const&, int, HPHP::String const&, HPHP::String const&, HPHP::String const&, HPHP::String const&, int, int) ()
#6  0x000000001597a614 in HPHP::php_mysql_do_connect_on_link(std::shared_ptr<HPHP::MySQL>, HPHP::String, HPHP::String, HPHP::String, HPHP::String, int, bool, bool, int, int) ()
#7  0x000000001599fcc8 in HPHP::c_mysqli_ni_hh_real_connect(HPHP::ObjectData*, HPHP::Variant const&, HPHP::Variant const&, HPHP::Variant const&, HPHP::Variant const&, HPHP::Variant const&) ()
#8  0x0000010030e10968 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 20 (Thread 0x3fff753fac00 (LWP 25866)):
#0  0x00003fff8bb0bc18 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
#1  0x00003fff8c4615cc in ?? () from /usr/lib/powerpc64le-linux-gnu/libevent-2.0.so.5
#2  0x00003fff8c43f2a0 in event_base_loop () from /usr/lib/powerpc64le-linux-gnu/libevent-2.0.so.5
#3  0x0000000017a119b4 in folly::EventBase::loopBody(int) ()
#4  0x0000000017a1150c in folly::EventBase::loop() ()
#5  0x0000000017a12a08 in folly::EventBase::loopForever() ()
#6  0x0000000016d50500 in proxygen::WorkerThread::runLoop() ()
#7  0x0000000016d4f684 in proxygen::WorkerThread::start()::{lambda()#1}::operator()() ()
#8  0x0000000016d53518 in void std::_Bind_simple<proxygen::WorkerThread::start()::{lambda()#1} ()>::_M_invoke<>(std::_Index_tuple<>) ()
#9  0x0000000016d5331c in std::_Bind_simple<proxygen::WorkerThread::start()::{lambda()#1} ()>::operator()() ()
#10 0x0000000016d531d4 in std::thread::_Impl<std::_Bind_simple<proxygen::WorkerThread::start()::{lambda()#1} ()> >::_M_run() ()
#11 0x00003fff8bdda524 in ?? () from /usr/lib/powerpc64le-linux-gnu/libstdc++.so.6
#12 0x00003fff8be5833c in start_thread (arg=0x3fff753fac00) at pthread_create.c:335
#13 0x00003fff8bb0b014 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:96

Thread 19 (Thread 0x3fff173fac00 (LWP 26147)):
#0  0x00003fff8baf99b8 in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000000016fd91fc in poll (__timeout=<optimized out>, __nfds=1, __fds=<optimized out>) at /usr/include/powerpc64le-linux-gnu/bits/poll2.h:46
#2  vio_io_wait (vio=<optimized out>, event=<optimized out>, timeout=...)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/vio/viosocket.c:808
#3  0x0000000016fa8b78 in csm_complete_connect (ctx=0x3fff173f82f0)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:4998
#4  0x0000000016fb25a0 in mysql_real_connect (mysql=0x3fff79491000, host=0x3fff0b812c78 "127.0.0.1", user=0x3fff875e55d8 "wp_bench",
    passwd=0x3fff875e55d8 "wp_bench", db=0x0, port=<optimized out>, unix_socket=0x3fff0b813b58 "/var/run/mysqld/mysqld.sock", client_flag=0)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:4387
#5  0x0000000015978794 in HPHP::MySQL::connect(HPHP::String const&, int, HPHP::String const&, HPHP::String const&, HPHP::String const&, HPHP::String const&, int, int) ()
#6  0x000000001597a614 in HPHP::php_mysql_do_connect_on_link(std::shared_ptr<HPHP::MySQL>, HPHP::String, HPHP::String, HPHP::String, HPHP::String, int, bool, bool, int, int) ()
#7  0x000000001599fcc8 in HPHP::c_mysqli_ni_hh_real_connect(HPHP::ObjectData*, HPHP::Variant const&, HPHP::Variant const&, HPHP::Variant const&, HPHP::Variant const&, HPHP::Variant const&) ()
#8  0x0000010030e10968 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 18 (Thread 0x3fff337fac00 (LWP 26136)):
#0  0x00003fff8be65748 in __lll_lock_wait (futex=0x0, private=0) at lowlevellock.c:43
#1  0x00003fff8be5bb24 in __GI___pthread_mutex_lock (mutex=0x3fff88c000c8) at ../nptl/pthread_mutex_lock.c:80
---Type <return> to continue, or q <return> to quit---
#2  0x00003fff8c0b135c in ?? () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#3  0x00003fff8c0b1894 in ?? () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#4  0x00003fff8c0d5658 in ?? () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#5  0x00003fff8c0a6c20 in malloc () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#6  0x00003fff8bd59cfc in operator new(unsigned long) () from /usr/lib/powerpc64le-linux-gnu/libstdc++.so.6
#7  0x00000000145cb6cc in void HPHP::Server::setRequestHandlerFactory<HPHP::HttpRequestHandler>(int)::{lambda()#1}::operator()() const ()
#8  0x00000000145cea14 in std::_Function_handler<std::unique_ptr<HPHP::RequestHandler, std::default_delete<HPHP::RequestHandler> > (), void HPHP::Server::setRequestHandlerFactory<HPHP::HttpRequestHandler>(int)::{lambda()#1}>::_M_invoke(std::_Any_data const&) ()
#9  0x00000000146959cc in std::function<std::unique_ptr<HPHP::RequestHandler, std::default_delete<HPHP::RequestHandler> > ()>::operator()() const ()
#10 0x000000001468b2e0 in HPHP::Server::createRequestHandler() ()
#11 0x00000000146c7084 in HPHP::ServerWorker<std::shared_ptr<HPHP::ProxygenJob>, HPHP::ProxygenTransportTraits>::onThreadEnter() ()
#12 0x00000000146a881c in HPHP::JobQueueWorker<std::shared_ptr<HPHP::ProxygenJob>, HPHP::Server*, true, false, HPHP::JobQueueDropVMStack>::start() ()
#13 0x00000000146af344 in HPHP::AsyncFunc<HPHP::ServerWorker<std::shared_ptr<HPHP::ProxygenJob>, HPHP::ProxygenTransportTraits> >::run_(void*) ()
#14 0x00000000168a0b98 in HPHP::AsyncFuncImpl::threadFuncImpl() ()
#15 0x00000000168a055c in HPHP::AsyncFuncImpl::ThreadFunc(void*) ()
#16 0x000000001419ee00 in HPHP::start_routine_wrapper(void*) ()
#17 0x00003fff8be5833c in start_thread (arg=0x3fff337fac00) at pthread_create.c:335
#18 0x00003fff8bb0b014 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:96

Thread 17 (Thread 0x3fff12ffac00 (LWP 26155)):
#0  0x00003fff8be65748 in __lll_lock_wait (futex=0x200, private=0) at lowlevellock.c:43
#1  0x00003fff8be5bb24 in __GI___pthread_mutex_lock (mutex=0x3fff88c000c8) at ../nptl/pthread_mutex_lock.c:80
#2  0x00003fff8c0b135c in ?? () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#3  0x00003fff8c0b1894 in ?? () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#4  0x00003fff8c0d5658 in ?? () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#5  0x00003fff8c0a6c20 in malloc () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#6  0x0000000016fe48fc in my_malloc (size=779, my_flags=<optimized out>)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/mysys/my_malloc.c:38
#7  0x0000000016fa8f64 in prep_client_reply_packet (mpvio=0x3fff12ff8200, data=0x3fff88c00d28 "", data_len=<optimized out>, buff_out=<optimized out>,
    buff_len=<optimized out>) at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:3381
#8  0x0000000016fa9f7c in send_client_reply_packet (data_len=<optimized out>, data=<optimized out>, mpvio=0x3fff12ff8200)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:3595
#9  client_mpvio_write_packet (mpv=0x3fff12ff8200, pkt=<optimized out>, pkt_len=<optimized out>)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:3769
#10 0x0000000016fa626c in native_password_auth_client (vio=0x3fff12ff8200, mysql=0x3fff0aee1000)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:6744
#11 0x0000000016fa5e18 in authsm_run_first_authenticate_user (ctx=0x3fff12ff81c0)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:4085
#12 0x0000000016fa6b88 in run_plugin_auth (db=0x0, data_plugin=0x3fff0af8f845 "mysql_native_password", data_len=21,
    data=0x3fff0af8f830 "w(]~%9-s\"I*7s^_@bN>,", mysql=0x3fff0aee1000)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:3979
#13 csm_authenticate (ctx=0x3fff12ff82f0) at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:5181
#14 0x0000000016fb25a0 in mysql_real_connect (mysql=0x3fff0aee1000, host=0x3ffef9812c78 "127.0.0.1", user=0x3fff875e55d8 "wp_bench",
    passwd=0x3fff875e55d8 "wp_bench", db=0x0, port=<optimized out>, unix_socket=0x3ffef9813b58 "/var/run/mysqld/mysqld.sock", client_flag=0)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:4387
#15 0x0000000015978794 in HPHP::MySQL::connect(HPHP::String const&, int, HPHP::String const&, HPHP::String const&, HPHP::String const&, HPHP::String const&, int, int) ()
#16 0x000000001597a614 in HPHP::php_mysql_do_connect_on_link(std::shared_ptr<HPHP::MySQL>, HPHP::String, HPHP::String, HPHP::String, HPHP::String, int, bool, bool, int, int) ()
#17 0x000000001599fcc8 in HPHP::c_mysqli_ni_hh_real_connect(HPHP::ObjectData*, HPHP::Variant const&, HPHP::Variant const&, HPHP::Variant const&, HPHP::Variant const&, HPHP::Variant const&) ()
#18 0x0000010030e10968 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 16 (Thread 0x3fff127fac00 (LWP 26156)):
#0  0x00003fff8be65748 in __lll_lock_wait (futex=0x200, private=0) at lowlevellock.c:43
#1  0x00003fff8be5bb24 in __GI___pthread_mutex_lock (mutex=0x3fff88c000c8) at ../nptl/pthread_mutex_lock.c:80
#2  0x00003fff8c0af3b8 in ?? () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#3  0x00003fff8c0b2620 in ?? () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#4  0x00003fff8c0a6e04 in malloc () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#5  0x0000000013e58fb4 in HPHP::safe_malloc(unsigned long) ()
---Type <return> to continue, or q <return> to quit---
#6  0x0000000014014b80 in HPHP::BigHeap::allocSlab(unsigned long) ()
#7  0x0000000014012d40 in HPHP::MemoryManager::newSlab(unsigned int) ()
#8  0x0000000014012f64 in HPHP::MemoryManager::slabAlloc(unsigned int, unsigned int) ()
#9  0x0000000014013360 in HPHP::MemoryManager::mallocSmallSizeSlow(unsigned int, unsigned int) ()
#10 0x0000000013df8ee4 in HPHP::MemoryManager::mallocSmallIndex(unsigned long, unsigned int) ()
#11 0x0000000013e6fb8c in HPHP::StringData::Make(folly::Range<char const*>, HPHP::CopyStringMode) ()
#12 0x0000000013e6fd64 in HPHP::StringData::Make(char const*, unsigned long, HPHP::CopyStringMode) ()
#13 0x0000000013e0217c in HPHP::StringData::Make(folly::Range<char const*>) ()
#14 0x0000000013e02324 in HPHP::Variant::Variant(char const*) ()
#15 0x000000001418bbc8 in void HPHP::IniSetting::Bind<std::string>(HPHP::Extension const*, HPHP::IniSetting::Mode, std::string const&, char const*, HPHP::IniSetting::SetAndGet<std::string>, std::string*) ()
#16 0x000000001418c018 in void HPHP::IniSetting::Bind<std::string>(HPHP::Extension const*, HPHP::IniSetting::Mode, std::string const&, char const*, std::string*) ()
#17 0x00000000141876f4 in HPHP::RequestInjectionData::threadInit() ()
#18 0x0000000014314078 in HPHP::ThreadInfo::init() ()
#19 0x00000000140e4814 in HPHP::hphp_thread_init() ()
#20 0x00000000140e7bf8 in HPHP::SetThreadInitFini::SetThreadInitFini()::{lambda(void*)#1}::operator()(void*) const ()
#21 0x00000000140e7c44 in HPHP::SetThreadInitFini::SetThreadInitFini()::{lambda(void*)#1}::_FUN(void*) ()
#22 0x00000000168a0b70 in HPHP::AsyncFuncImpl::threadFuncImpl() ()
#23 0x00000000168a055c in HPHP::AsyncFuncImpl::ThreadFunc(void*) ()
#24 0x000000001419ee00 in HPHP::start_routine_wrapper(void*) ()
#25 0x00003fff8be5833c in start_thread (arg=0x3fff127fac00) at pthread_create.c:335
#26 0x00003fff8bb0b014 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:96

Thread 15 (Thread 0x3fff597fac00 (LWP 26128)):
#0  0x0000000013e925b4 in HPHP::detail::LowPtrImpl<HPHP::Class, HPHP::detail::RawStorage<unsigned long> >::LowPtrImpl(HPHP::detail::LowPtrImpl<HPHP::Class, HPHP::detail::RawStorage<unsigned long> > const&) ()
#1  0x0000000014903e98 in HPHP::NamedEntity::getCachedClass() const ()
#2  0x0000000014929728 in HPHP::Unit::defClass(HPHP::PreClass const*, bool) ()
#3  0x000000001485d82c in HPHP::iopDefCls(unsigned char const*&) ()
#4  0x0000000014897cc0 in HPHP::interpOneDefCls(HPHP::ActRec*, HPHP::TypedValue*, int) ()
#5  0x000001002ce36bc4 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 14 (Thread 0x3fff157fac00 (LWP 26150)):
#0  0x00003fff8be656d4 in __lll_lock_wait (futex=0x200, private=<optimized out>) at lowlevellock.c:46
#1  0x00003fff8be5bb24 in __GI___pthread_mutex_lock (mutex=0x3fff88c000c8) at ../nptl/pthread_mutex_lock.c:80
#2  0x00003fff8c0b135c in ?? () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#3  0x00003fff8c0b1894 in ?? () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#4  0x00003fff8c0d5658 in ?? () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#5  0x00003fff8c0a6c20 in malloc () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#6  0x00003fff8bd59cfc in operator new(unsigned long) () from /usr/lib/powerpc64le-linux-gnu/libstdc++.so.6
#7  0x00000000145a9d74 in HPHP::ThreadLocalNoCheck<HPHP::ServerStats>::create() ()
#8  0x00000000145a602c in HPHP::ThreadLocalNoCheck<HPHP::ServerStats>::getCheck() const ()
#9  0x000000001459b964 in HPHP::ServerStats::GetLogger() ()
#10 0x00000000140e47cc in HPHP::hphp_thread_init() ()
#11 0x00000000140e7bf8 in HPHP::SetThreadInitFini::SetThreadInitFini()::{lambda(void*)#1}::operator()(void*) const ()
#12 0x00000000140e7c44 in HPHP::SetThreadInitFini::SetThreadInitFini()::{lambda(void*)#1}::_FUN(void*) ()
#13 0x00000000168a0b70 in HPHP::AsyncFuncImpl::threadFuncImpl() ()
#14 0x00000000168a055c in HPHP::AsyncFuncImpl::ThreadFunc(void*) ()
#15 0x000000001419ee00 in HPHP::start_routine_wrapper(void*) ()
#16 0x00003fff8be5833c in start_thread (arg=0x3fff157fac00) at pthread_create.c:335
#17 0x00003fff8bb0b014 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:96

Thread 13 (Thread 0x3fff7ebfac00 (LWP 25862)):
#0  0x00003fff8be60c5c in __pthread_cond_wait (cond=0x3fff88af00c8, mutex=0x3fff88af00a0) at pthread_cond_wait.c:186
#1  0x00000000168cfc34 in HPHP::Synchronizable::wait() ()
#2  0x00000000145f2b70 in HPHP::HttpServer::runOrExitProcess() ()
#3  0x00000000140dcd78 in HPHP::start_server(std::string const&, int) ()
#4  0x00000000140e27b4 in HPHP::execute_program_impl(int, char**) ()
#5  0x00000000140dd9a8 in HPHP::execute_program(int, char**) ()
---Type <return> to continue, or q <return> to quit---
#6  0x0000000013de80dc in main ()

Thread 12 (Thread 0x3fff7a3fac00 (LWP 25914)):
#0  0x00003fff8baf99b8 in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000000016fd8350 in poll (__timeout=<optimized out>, __nfds=1, __fds=<optimized out>) at /usr/include/powerpc64le-linux-gnu/bits/poll2.h:46
#2  vio_io_wait (timeout=..., timeout@entry=..., event=VIO_IO_EVENT_READ, vio=0x3fff7c830800)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/vio/viosocket.c:808
#3  vio_socket_io_wait (event=VIO_IO_EVENT_READ, vio=0x3fff7c830800) at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/vio/viosocket.c:70
#4  vio_read (vio=0x3fff7c830800, buf=0x3fff886ec000 "J\b", size=16384)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/vio/viosocket.c:134
#5  0x0000000016fd845c in vio_read_buff (vio=0x3fff7c830800, buf=0x3fff88b94800 "O\001", size=4)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/vio/viosocket.c:174
#6  0x0000000016fc339c in net_read_raw_loop (net=0x3fff7a474000, count=4)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql/net_serv.cc:988
#7  0x0000000016fc34fc in net_read_packet_header (net=0x3fff7a474000) at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql/net_serv.cc:1139
#8  net_read_packet (net=0x3fff7a474000, complen=0x3fff7a3f8020) at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql/net_serv.cc:1375
#9  0x0000000016fc5b3c in my_net_read (net=0x3fff7a474000) at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql/net_serv.cc:1475
#10 0x0000000016fabe30 in cli_safe_read_with_ok (mysql=<optimized out>, read_ok=0 '\000')
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:864
#11 0x0000000016fb032c in cli_safe_read (mysql=0x3fff7a474000) at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:992
#12 cli_read_query_result (mysql=0x3fff7a474000) at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:5715
#13 0x0000000016fb3388 in mysql_real_query (mysql=0x3fff7a474000,
    query=0x3fff7bcaaa18 "SELECT t.*, tt.*, tr.object_id FROM wp_terms AS t INNER JOIN wp_term_taxonomy AS tt ON tt.term_id = t.term_id INNER JOIN wp_term_relationships AS tr ON tr.term_taxonomy_id = tt.term_taxonomy_id WHERE "..., length=334)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:5885
#14 0x000000001598237c in HPHP::php_mysql_do_query(HPHP::String const&, HPHP::Variant const&, bool) ()
#15 0x00000000159a03d4 in HPHP::c_mysqli_ni_hh_real_query(HPHP::ObjectData*, HPHP::String const&) ()
#16 0x000001002ced9cb0 in ?? ()
#17 0x000001002ced9738 in ?? ()
#18 0x000001002cede338 in ?? ()
#19 0x000001002cedba38 in ?? ()
#20 0x0000010030e421dc in ?? ()
#21 0x0000010031038fb8 in ?? ()
#22 0x000001003102f54c in ?? ()
#23 0x000001003102bfb8 in ?? ()
#24 0x000001003102753c in ?? ()
#25 0x0000010031024f50 in ?? ()
#26 0x0000010030fb3644 in ?? ()
#27 0x0000010030fabaec in ?? ()
#28 0x0000010030f7f1b8 in ?? ()
#29 0x0000010030f7ec38 in ?? ()
#30 0x000001002ce6d044 in ?? ()
#31 0x0000010034e00284 in ?? ()
#32 0x000001002d200458 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 11 (Thread 0x3fff25ffac00 (LWP 26138)):
#0  0x00003fff8be656d4 in __lll_lock_wait (futex=0x0, private=<optimized out>) at lowlevellock.c:46
#1  0x00003fff8be5bb24 in __GI___pthread_mutex_lock (mutex=0x3fff88c000c8) at ../nptl/pthread_mutex_lock.c:80
#2  0x00003fff8c0b135c in ?? () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#3  0x00003fff8c0b1894 in ?? () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#4  0x00003fff8c0d5658 in ?? () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#5  0x00003fff8c0a6c20 in malloc () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#6  0x0000000016fe48fc in my_malloc (size=336, my_flags=<optimized out>)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/mysys/my_malloc.c:38
#7  0x0000000016fb38f0 in mysql_store_result (mysql=0x3fff37b91000)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:5982
#8  0x0000000015983bec in HPHP::php_mysql_get_result(HPHP::Variant const&, bool) ()
#9  0x000000001599f258 in HPHP::c_mysqli_ni_hh_get_result(HPHP::ObjectData*, bool) ()
#10 0x000001002ceda168 in ?? ()
#11 0x000001002ced9e38 in ?? ()
---Type <return> to continue, or q <return> to quit---
#12 0x000001002ced9738 in ?? ()
#13 0x000001002cede338 in ?? ()
#14 0x000001002cedba38 in ?? ()
#15 0x0000010030e421dc in ?? ()
#16 0x0000010031027238 in ?? ()
#17 0x0000010031024f50 in ?? ()
#18 0x0000010030fb3644 in ?? ()
#19 0x0000010030fabaec in ?? ()
#20 0x0000010030f7f1b8 in ?? ()
#21 0x0000010030f7ec38 in ?? ()
#22 0x000001002ce6d044 in ?? ()
#23 0x0000010034e00284 in ?? ()
#24 0x000001002d200458 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 10 (Thread 0x3fff147fac00 (LWP 26152)):
#0  0x00003fff8baf99b8 in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000000016fd91fc in poll (__timeout=<optimized out>, __nfds=1, __fds=<optimized out>) at /usr/include/powerpc64le-linux-gnu/bits/poll2.h:46
#2  vio_io_wait (vio=<optimized out>, event=<optimized out>, timeout=...)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/vio/viosocket.c:808
#3  0x0000000016fa8b78 in csm_complete_connect (ctx=0x3fff147f82f0)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:4998
#4  0x0000000016fb25a0 in mysql_real_connect (mysql=0x3fff79661000, host=0x3ffeec812c78 "127.0.0.1", user=0x3fff875e55d8 "wp_bench",
    passwd=0x3fff875e55d8 "wp_bench", db=0x0, port=<optimized out>, unix_socket=0x3ffeec813b58 "/var/run/mysqld/mysqld.sock", client_flag=0)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:4387
#5  0x0000000015978794 in HPHP::MySQL::connect(HPHP::String const&, int, HPHP::String const&, HPHP::String const&, HPHP::String const&, HPHP::String const&, int, int) ()
#6  0x000000001597a614 in HPHP::php_mysql_do_connect_on_link(std::shared_ptr<HPHP::MySQL>, HPHP::String, HPHP::String, HPHP::String, HPHP::String, int, bool, bool, int, int) ()
#7  0x000000001599fcc8 in HPHP::c_mysqli_ni_hh_real_connect(HPHP::ObjectData*, HPHP::Variant const&, HPHP::Variant const&, HPHP::Variant const&, HPHP::Variant const&, HPHP::Variant const&) ()
#8  0x0000010030e10968 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 9 (Thread 0x3fff16bfac00 (LWP 26148)):
#0  0x00003fff8be65748 in __lll_lock_wait (futex=0x200, private=0) at lowlevellock.c:43
#1  0x00003fff8be5bb24 in __GI___pthread_mutex_lock (mutex=0x3fff88c000c8) at ../nptl/pthread_mutex_lock.c:80
#2  0x00003fff8c0af3b8 in ?? () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#3  0x00003fff8c0b2620 in ?? () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#4  0x00003fff8c0a6e04 in malloc () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#5  0x0000000013e58fb4 in HPHP::safe_malloc(unsigned long) ()
#6  0x0000000014014b80 in HPHP::BigHeap::allocSlab(unsigned long) ()
#7  0x0000000014012d40 in HPHP::MemoryManager::newSlab(unsigned int) ()
#8  0x0000000014012f64 in HPHP::MemoryManager::slabAlloc(unsigned int, unsigned int) ()
#9  0x0000000014013360 in HPHP::MemoryManager::mallocSmallSizeSlow(unsigned int, unsigned int) ()
#10 0x0000000013df8ee4 in HPHP::MemoryManager::mallocSmallIndex(unsigned long, unsigned int) ()
#11 0x0000000013df8fa0 in HPHP::MemoryManager::mallocSmallSize(unsigned int) ()
#12 0x0000000014011c68 in HPHP::MemoryManager::malloc(unsigned long) ()
#13 0x0000000014013724 in HPHP::req::malloc(unsigned long) ()
#14 0x00000000140d0fe8 in HPHP::ExecutionContext::operator new(unsigned long) ()
#15 0x00000000140f1a40 in HPHP::ThreadLocalNoCheck<HPHP::ExecutionContext>::create() ()
#16 0x00000000140ec3ac in HPHP::ThreadLocalNoCheck<HPHP::ExecutionContext>::getCheck() const ()
#17 0x00000000145c2520 in HPHP::HttpRequestHandler::setupRequest(HPHP::Transport*) ()
#18 0x00000000146c829c in HPHP::ServerWorker<std::shared_ptr<HPHP::ProxygenJob>, HPHP::ProxygenTransportTraits>::doJobImpl(std::shared_ptr<HPHP::ProxygenJob>, bool) ()
#19 0x00000000146c6ebc in HPHP::ServerWorker<std::shared_ptr<HPHP::ProxygenJob>, HPHP::ProxygenTransportTraits>::doJob(std::shared_ptr<HPHP::ProxygenJob>) ()
#20 0x00000000146a8944 in HPHP::JobQueueWorker<std::shared_ptr<HPHP::ProxygenJob>, HPHP::Server*, true, false, HPHP::JobQueueDropVMStack>::start() ()
#21 0x00000000146af344 in HPHP::AsyncFunc<HPHP::ServerWorker<std::shared_ptr<HPHP::ProxygenJob>, HPHP::ProxygenTransportTraits> >::run_(void*) ()
#22 0x00000000168a0b98 in HPHP::AsyncFuncImpl::threadFuncImpl() ()
#23 0x00000000168a055c in HPHP::AsyncFuncImpl::ThreadFunc(void*) ()
#24 0x000000001419ee00 in HPHP::start_routine_wrapper(void*) ()
---Type <return> to continue, or q <return> to quit---
#25 0x00003fff8be5833c in start_thread (arg=0x3fff16bfac00) at pthread_create.c:335
#26 0x00003fff8bb0b014 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:96

Thread 8 (Thread 0x3fff7bbfac00 (LWP 25913)):
#0  0x0000000013ed2c78 in int* HPHP::wordfill<int>(int*, int, unsigned long) ()
#1  0x0000000013ecf62c in HPHP::MixedArray::initHash(int*, unsigned int) ()
#2  0x00000000143bedf4 in HPHP::MixedArray::Grow(HPHP::MixedArray*, unsigned int) ()
#3  0x00000000143be974 in HPHP::MixedArray::resize() ()
#4  0x00000000143c111c in HPHP::MixedArray::SetStr(HPHP::ArrayData*, HPHP::StringData*, HPHP::TypedValue, bool) ()
#5  0x0000000013e74df8 in HPHP::ArrayData::set(HPHP::StringData*, HPHP::Variant const&, bool) ()
#6  0x0000000013f481f4 in HPHP::ArrayData::set(HPHP::String const&, HPHP::Variant const&, bool) ()
#7  0x00000000140a2568 in HPHP::Array::set(HPHP::String const&, HPHP::Variant const&, bool) ()
#8  0x000000001414384c in HPHP::ObjectData::setProp(HPHP::Class*, HPHP::StringData const*, HPHP::TypedValue*, bool) ()
#9  0x000000001413c584 in HPHP::ObjectData::o_setArray(HPHP::Array const&) ()
#10 0x000000001596be98 in HPHP::f_mysql_fetch_object(HPHP::Variant const&, HPHP::String const&, HPHP::Variant const&) ()
#11 0x000001002ce74408 in ?? ()
#12 0x000001002ce73db8 in ?? ()
#13 0x000001002cedc7c4 in ?? ()
#14 0x0000010030e421dc in ?? ()
#15 0x0000010031038fb8 in ?? ()
#16 0x000001003102f54c in ?? ()
#17 0x000001003102bfb8 in ?? ()
#18 0x000001003102753c in ?? ()
#19 0x0000010031024f50 in ?? ()
#20 0x0000010030fb3644 in ?? ()
#21 0x0000010030fabaec in ?? ()
#22 0x0000010030f7f1b8 in ?? ()
#23 0x0000010030f7ec38 in ?? ()
#24 0x000001002ce6d044 in ?? ()
#25 0x0000010034e00284 in ?? ()
#26 0x000001002d200458 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 7 (Thread 0x3fff137fac00 (LWP 26154)):
#0  0x00003fff8be656d4 in __lll_lock_wait (futex=0x200, private=<optimized out>) at lowlevellock.c:46
#1  0x00003fff8be5bb24 in __GI___pthread_mutex_lock (mutex=0x3fff88c000c8) at ../nptl/pthread_mutex_lock.c:80
#2  0x00003fff8c0b135c in ?? () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#3  0x00003fff8c0b1894 in ?? () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#4  0x00003fff8c0d5658 in ?? () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#5  0x00003fff8c0a6c20 in malloc () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#6  0x00003fff8bd59cfc in operator new(unsigned long) () from /usr/lib/powerpc64le-linux-gnu/libstdc++.so.6
#7  0x00000000145a9d74 in HPHP::ThreadLocalNoCheck<HPHP::ServerStats>::create() ()
#8  0x00000000145a602c in HPHP::ThreadLocalNoCheck<HPHP::ServerStats>::getCheck() const ()
#9  0x000000001459b964 in HPHP::ServerStats::GetLogger() ()
#10 0x00000000140e47cc in HPHP::hphp_thread_init() ()
#11 0x00000000140e7bf8 in HPHP::SetThreadInitFini::SetThreadInitFini()::{lambda(void*)#1}::operator()(void*) const ()
#12 0x00000000140e7c44 in HPHP::SetThreadInitFini::SetThreadInitFini()::{lambda(void*)#1}::_FUN(void*) ()
#13 0x00000000168a0b70 in HPHP::AsyncFuncImpl::threadFuncImpl() ()
#14 0x00000000168a055c in HPHP::AsyncFuncImpl::ThreadFunc(void*) ()
#15 0x000000001419ee00 in HPHP::start_routine_wrapper(void*) ()
#16 0x00003fff8be5833c in start_thread (arg=0x3fff137fac00) at pthread_create.c:335
#17 0x00003fff8bb0b014 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:96

Thread 6 (Thread 0x3fff0cbfac00 (LWP 26161)):
#0  0x00003fff8be656d4 in __lll_lock_wait (futex=0x0, private=<optimized out>) at lowlevellock.c:46
#1  0x00003fff8be5bb24 in __GI___pthread_mutex_lock (mutex=0x3fff88c000c8) at ../nptl/pthread_mutex_lock.c:80
#2  0x00003fff8c0b32bc in ?? () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#3  0x00003fff8c0a49b0 in free () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#4  0x0000000014014928 in HPHP::BigHeap::reset() ()
#5  0x00000000140118d8 in HPHP::MemoryManager::resetAllocator() ()
#6  0x00000000140e78b4 in HPHP::hphp_memory_cleanup() ()
---Type <return> to continue, or q <return> to quit---
#7  0x00000000140e4844 in HPHP::hphp_thread_init() ()
#8  0x00000000140e7bf8 in HPHP::SetThreadInitFini::SetThreadInitFini()::{lambda(void*)#1}::operator()(void*) const ()
#9  0x00000000140e7c44 in HPHP::SetThreadInitFini::SetThreadInitFini()::{lambda(void*)#1}::_FUN(void*) ()
#10 0x00000000168a0b70 in HPHP::AsyncFuncImpl::threadFuncImpl() ()
#11 0x00000000168a055c in HPHP::AsyncFuncImpl::ThreadFunc(void*) ()
#12 0x000000001419ee00 in HPHP::start_routine_wrapper(void*) ()
#13 0x00003fff8be5833c in start_thread (arg=0x3fff0cbfac00) at pthread_create.c:335
#14 0x00003fff8bb0b014 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:96

Thread 5 (Thread 0x3fff577fac00 (LWP 26132)):
#0  0x00003fff8be656d4 in __lll_lock_wait (futex=0x200, private=<optimized out>) at lowlevellock.c:46
#1  0x00003fff8be5bb24 in __GI___pthread_mutex_lock (mutex=0x3fff88c000c8) at ../nptl/pthread_mutex_lock.c:80
#2  0x00003fff8c0b135c in ?? () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#3  0x00003fff8c0b1894 in ?? () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#4  0x00003fff8c0d5658 in ?? () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#5  0x00003fff8c0a6c20 in malloc () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#6  0x0000000016fe48fc in my_malloc (size=8176, my_flags=<optimized out>)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/mysys/my_malloc.c:38
#7  0x0000000016fe0fb0 in init_dynamic_array2 (array=0x3fff2a3b8788, element_size=<optimized out>, init_buffer=<optimized out>, init_alloc=<optimized out>,
    alloc_increment=<optimized out>) at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/mysys/array.c:70
#8  0x0000000016fdac34 in _my_hash_init (hash=<error reading variable: value has been optimized out>, growth_size=<optimized out>,
    charset=<error reading variable: value has been optimized out>, hash_function=<optimized out>, size=<optimized out>, key_offset=<optimized out>,
    key_length=<error reading variable: value has been optimized out>, get_key=<optimized out>, free_element=<optimized out>, flags=1)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/mysys/hash.c:111
#9  0x0000000016fa7638 in mysql_options4 (mysql=0x3fff867c1000, arg1=0x18d4ea58, arg2=0x18d4eaa0, option=<optimized out>)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:6425
#10 0x0000000016fb4d88 in mysql_options4 (option=<optimized out>, arg2=<optimized out>, arg1=<optimized out>, mysql=<optimized out>)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:4305
#11 set_connect_attributes (buf_len=<optimized out>, buff=<optimized out>, mysql=<optimized out>)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:4310
#12 csm_begin_connect (ctx=0x3fff577f82f0) at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:4530
#13 0x0000000016fb25a0 in mysql_real_connect (mysql=0x3fff867c1000, host=0x3fff1c012c78 "127.0.0.1", user=0x3fff875e55d8 "wp_bench",
    passwd=0x3fff875e55d8 "wp_bench", db=0x0, port=<optimized out>, unix_socket=0x3fff1c013b58 "/var/run/mysqld/mysqld.sock", client_flag=0)
    at /home/rcardoso/hhvm-next/hhvm/third-party/webscalesqlclient/src/sql-common/client.c:4387
#14 0x0000000015978794 in HPHP::MySQL::connect(HPHP::String const&, int, HPHP::String const&, HPHP::String const&, HPHP::String const&, HPHP::String const&, int, int) ()
#15 0x000000001597a614 in HPHP::php_mysql_do_connect_on_link(std::shared_ptr<HPHP::MySQL>, HPHP::String, HPHP::String, HPHP::String, HPHP::String, int, bool, bool, int, int) ()
#16 0x000000001599fcc8 in HPHP::c_mysqli_ni_hh_real_connect(HPHP::ObjectData*, HPHP::Variant const&, HPHP::Variant const&, HPHP::Variant const&, HPHP::Variant const&, HPHP::Variant const&) ()
#17 0x0000010030e10968 in ?? ()
#18 0x0000010030e10538 in ?? ()
#19 0x0000010030e0f868 in ?? ()
#20 0x0000010030e0f3c4 in ?? ()
#21 0x0000010030e0c7d8 in ?? ()
#22 0x0000010030e0ac70 in ?? ()
#23 0x000001002ce0c944 in ?? ()
#24 0x0000010034e00284 in ?? ()
#25 0x0000010034e00284 in ?? ()
#26 0x0000010034e00284 in ?? ()
#27 0x0000010034e00284 in ?? ()
#28 0x000001002d200458 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 4 (Thread 0x3fff13ffac00 (LWP 26153)):
#0  0x00003fff8be65748 in __lll_lock_wait (futex=0x200, private=0) at lowlevellock.c:43
#1  0x00003fff8be5bb24 in __GI___pthread_mutex_lock (mutex=0x3fff88c000c8) at ../nptl/pthread_mutex_lock.c:80
#2  0x00003fff8c0b135c in ?? () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#3  0x00003fff8c0b1894 in ?? () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#4  0x00003fff8c0d5658 in ?? () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
#5  0x00003fff8c0a6c20 in malloc () from /usr/lib/powerpc64le-linux-gnu/libjemalloc.so.1
---Type <return> to continue, or q <return> to quit---
#6  0x00003fff8bd59cfc in operator new(unsigned long) () from /usr/lib/powerpc64le-linux-gnu/libstdc++.so.6
#7  0x00000000158c2b74 in HPHP::SessionExtension::threadInit() ()
#8  0x00000000158332b8 in HPHP::ExtensionRegistry::threadInit() ()
#9  0x00000000140e4834 in HPHP::hphp_thread_init() ()
#10 0x00000000140e7bf8 in HPHP::SetThreadInitFini::SetThreadInitFini()::{lambda(void*)#1}::operator()(void*) const ()
#11 0x00000000140e7c44 in HPHP::SetThreadInitFini::SetThreadInitFini()::{lambda(void*)#1}::_FUN(void*) ()
#12 0x00000000168a0b70 in HPHP::AsyncFuncImpl::threadFuncImpl() ()
#13 0x00000000168a055c in HPHP::AsyncFuncImpl::ThreadFunc(void*) ()
#14 0x000000001419ee00 in HPHP::start_routine_wrapper(void*) ()
#15 0x00003fff8be5833c in start_thread (arg=0x3fff13ffac00) at pthread_create.c:335
#16 0x00003fff8bb0b014 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:96

Thread 3 (Thread 0x3fff52ffac00 (LWP 26133)):
#0  0x00000000143c0500 in HPHP::MixedArray::LvalStr(HPHP::ArrayData*, HPHP::StringData*, HPHP::Variant*&, bool) ()
#1  0x0000000013ebffb0 in HPHP::ArrayData::lval(HPHP::StringData*, HPHP::Variant*&, bool) ()
#2  0x000000001409b490 in HPHP::ArrayData::lval(HPHP::Variant const&, HPHP::Variant*&, bool) ()
#3  0x00000000140aabe8 in HPHP::Variant& HPHP::Array::lvalAtImpl<HPHP::VarNR>(HPHP::VarNR const&, HPHP::AccessFlags::Type) ()
#4  0x00000000140a1a44 in HPHP::Array::lvalAt(HPHP::String const&, HPHP::AccessFlags::Type) ()
#5  0x000000001536875c in HPHP::TypedValue* HPHP::ElemDArrayPre<(HPHP::KeyType)2>(HPHP::Array&, HPHP::KeyTypeTraits<(HPHP::KeyType)2>::type) ()
#6  0x000000001535ff1c in HPHP::TypedValue* HPHP::ElemDArray<false, false, (HPHP::KeyType)2>(HPHP::TypedValue*, HPHP::KeyTypeTraits<(HPHP::KeyType)2>::type)
    ()
#7  0x0000000015353244 in HPHP::jit::MInstrHelpers::elemArraySD(HPHP::TypedValue*, HPHP::StringData*) ()
#8  0x000001002ce9f864 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 2 (Thread 0x3fff15ffac00 (LWP 26149)):
#0  0x00000000143c0500 in HPHP::MixedArray::LvalStr(HPHP::ArrayData*, HPHP::StringData*, HPHP::Variant*&, bool) ()
#1  0x0000000013ebffb0 in HPHP::ArrayData::lval(HPHP::StringData*, HPHP::Variant*&, bool) ()
#2  0x000000001409b3b4 in HPHP::ArrayData::lval(HPHP::String const&, HPHP::Variant*&, bool) ()
#3  0x00000000140aaa14 in HPHP::Variant& HPHP::Array::lvalAtImpl<HPHP::String>(HPHP::String const&, HPHP::AccessFlags::Type) ()
#4  0x00000000140a19c4 in HPHP::Array::lvalAt(HPHP::String const&, HPHP::AccessFlags::Type) ()
#5  0x0000000014140ca4 in HPHP::ObjectData::getPropImpl(HPHP::Class const*, HPHP::StringData const*, bool) ()
#6  0x0000000014140da8 in HPHP::ObjectData::getProp(HPHP::Class const*, HPHP::StringData const*) ()
#7  0x000000001414ab90 in HPHP::TypedValue* HPHP::ObjectData::propImpl<true, false>(HPHP::TypedValue*, HPHP::Class*, HPHP::StringData const*) ()
#8  0x0000000014142784 in HPHP::ObjectData::propW(HPHP::TypedValue*, HPHP::Class*, HPHP::StringData const*) ()
#9  0x0000000015364fa8 in HPHP::TypedValue* HPHP::Prop<true, false, false, true, (HPHP::KeyType)2>(HPHP::TypedValue&, HPHP::Class*, HPHP::TypedValue*, HPHP::KeyTypeTraits<(HPHP::KeyType)2>::type) ()
#10 0x000000001535dc4c in HPHP::TypedValue* HPHP::jit::MInstrHelpers::propImpl<(HPHP::MInstrAttr)1, (HPHP::KeyType)2, true>(HPHP::Class*, HPHP::TypedValue*, HPHP::KeyTypeTraits<(HPHP::KeyType)2>::type, HPHP::TypedValue&) ()
#11 0x00000000153515f0 in HPHP::jit::MInstrHelpers::propCWOS(HPHP::Class*, HPHP::TypedValue*, HPHP::StringData*, HPHP::TypedValue&) ()
#12 0x000001002cf02690 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 1 (Thread 0x3fff2abfac00 (LWP 26137)):
#0  0x0000000013e2f974 in std::atomic<HPHP::Attr>::load(std::memory_order) const ()
#1  0x0000000013e2ab78 in HPHP::Func::AtomicAttr::operator HPHP::Attr() const ()
#2  0x0000000013fc7c48 in HPHP::Func::isBuiltin() const ()
#3  0x00000000152ee9d0 in HPHP::jit::decodeCufIterHelper(HPHP::Iter*, HPHP::TypedValue) ()
#4  0x000001002ce76b0c in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
(gdb)
(gdb)