/opt/dvb/mythtv/mythtv# gdb -c /var/crash/core_mythtranscode.8032 -se `which mythtranscode`
GNU gdb (Ubuntu/Linaro 7.3-0ubuntu2) 7.3-2011.08
Copyright (C) 2011 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
For bug reporting instructions, please see:
<http://bugs.launchpad.net/gdb-linaro/>...
Reading symbols from /usr/local/bin/mythtranscode...done.
[New LWP 8032]
[New LWP 8039]
[New LWP 8042]
[New LWP 8045]
[New LWP 8044]
[New LWP 8034]
[New LWP 8043]
[New LWP 8037]
[New LWP 8033]

warning: Can't read pathname for load map: Input/output error.
[Thread debugging using libthread_db enabled]
Core was generated by `mythtranscode --fifoinfo --profile autodetect --chanid 29724 --starttime 200812'.
Program terminated with signal 11, Segmentation fault.
#0  0x00007fbe28f000aa in PlayerContext::StopPlaying (this=0x230ace0) at playercontext.cpp:483
483         player->StopPlaying();
(gdb) thr a a bt

Thread 9 (Thread 0x7fbe1662f700 (LWP 8033)):
#0  0x00007fbe2575b8ad in read () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007fbe1e6c199c in ?? () from /usr/lib/libGL.so.1
#2  0x00007fbe1b353b27 in ?? () from /usr/lib/tls/libnvidia-tls.so.295.33
#3  0x00007fbe15072899 in vio_read_buff () from /usr/lib/libmysqlclient_r.so.16
#4  0x00007fbe150736cf in ?? () from /usr/lib/libmysqlclient_r.so.16
#5  0x00007fbe150742b8 in my_net_read () from /usr/lib/libmysqlclient_r.so.16
#6  0x00007fbe1506d26a in cli_safe_read () from /usr/lib/libmysqlclient_r.so.16
#7  0x00007fbe1506e28f in ?? () from /usr/lib/libmysqlclient_r.so.16
#8  0x00007fbe150403cc in ?? () from /usr/lib/libmysqlclient_r.so.16
#9  0x00007fbe15040c0a in cli_stmt_execute () from /usr/lib/libmysqlclient_r.so.16
#10 0x00007fbe15041e4d in mysql_stmt_execute () from /usr/lib/libmysqlclient_r.so.16
#11 0x00007fbe15427c9b in ?? () from /usr/lib/x86_64-linux-gnu/qt4/plugins/sqldrivers/libqsqlmysql.so
#12 0x00007fbe2667c135 in QSqlQuery::exec() () from /usr/lib/x86_64-linux-gnu/libQtSql.so.4
#13 0x00007fbe270d530d in MSqlQuery::exec (this=0x2323670) at mythdbcon.cpp:615
#14 0x00007fbe2717e10f in DatabaseLogger::logqmsg (this=0x22c7860, query=..., item=0x7fbe100259c0) at logging.cpp:514
#15 0x00007fbe2717ed95 in DBLoggerThread::run (this=0x22c8970) at logging.cpp:661
#16 0x00007fbe270b7a47 in MThreadInternal::run (this=0x22c85d0) at mthread.cpp:78
#17 0x00007fbe2624dd05 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#18 0x00007fbe1e6c3454 in ?? () from /usr/lib/libGL.so.1
#19 0x00007fbe268b0efc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#20 0x00007fbe2576959d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#21 0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7fbe14ff0700 (LWP 8037)):
#0  0x00007fbe2573521d in nanosleep () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007fbe25762e54 in usleep () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007fbe26c0ef61 in ProgramInfoUpdater::run (this=0x228c560) at programinfoupdater.cpp:57
---Type <return> to continue, or q <return> to quit---
#3  0x00007fbe270ba79c in MPoolThread::run (this=0x24b1b30) at mthreadpool.cpp:87
#4  0x00007fbe270b7a47 in MThreadInternal::run (this=0x245bd50) at mthread.cpp:78
#5  0x00007fbe2624dd05 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007fbe1e6c3454 in ?? () from /usr/lib/libGL.so.1
#7  0x00007fbe268b0efc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007fbe2576959d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#9  0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7fbe0bfb3700 (LWP 8043)):
#0  0x00007fbe268b88dd in nanosleep () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fbe271b4648 in MythSystemSignalManager::run (this=0x262ba00) at system-unix.cpp:491
#2  0x00007fbe270b7a47 in MThreadInternal::run (this=0x25de110) at mthread.cpp:78
#3  0x00007fbe2624dd05 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4  0x00007fbe1e6c3454 in ?? () from /usr/lib/libGL.so.1
#5  0x00007fbe268b0efc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fbe2576959d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7fbe15e2e700 (LWP 8034)):
#0  0x00007fbe268b53cb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fbe2624e11e in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007fbe2717f5c5 in LoggerThread::run (this=0x2284fc0) at logging.cpp:826
#3  0x00007fbe270b7a47 in MThreadInternal::run (this=0x22bdac0) at mthread.cpp:78
#4  0x00007fbe2624dd05 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007fbe1e6c3454 in ?? () from /usr/lib/libGL.so.1
#6  0x00007fbe268b0efc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#7  0x00007fbe2576959d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#8  0x0000000000000000 in ?? ()

---Type <return> to continue, or q <return> to quit---
Thread 5 (Thread 0x7fbe0b7b2700 (LWP 8044)):
#0  0x00007fbe268b504c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fbe2624e1ab in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007fbe271b1db4 in MythSystemIOHandler::run (this=0x7fbe1002c3d0) at system-unix.cpp:100
#3  0x00007fbe270b7a47 in MThreadInternal::run (this=0x7fbe1001baf0) at mthread.cpp:78
#4  0x00007fbe2624dd05 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007fbe1e6c3454 in ?? () from /usr/lib/libGL.so.1
#6  0x00007fbe268b0efc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#7  0x00007fbe2576959d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#8  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fbe0afb1700 (LWP 8045)):
#0  0x00007fbe268b504c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fbe2624e1ab in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007fbe271b1db4 in MythSystemIOHandler::run (this=0x7fbe1003c4a0) at system-unix.cpp:100
#3  0x00007fbe270b7a47 in MThreadInternal::run (this=0x7fbe10014320) at mthread.cpp:78
#4  0x00007fbe2624dd05 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007fbe1e6c3454 in ?? () from /usr/lib/libGL.so.1
#6  0x00007fbe268b0efc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#7  0x00007fbe2576959d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#8  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fbe0c7b4700 (LWP 8042)):
#0  0x00007fbe268b88dd in nanosleep () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fbe271b2c22 in MythSystemManager::run (this=0x25002d0) at system-unix.cpp:272
#2  0x00007fbe270b7a47 in MThreadInternal::run (this=0x2500480) at mthread.cpp:78
#3  0x00007fbe2624dd05 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4  0x00007fbe1e6c3454 in ?? () from /usr/lib/libGL.so.1
#5  0x00007fbe268b0efc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
---Type <return> to continue, or q <return> to quit---
#6  0x00007fbe2576959d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fbe0e3b8700 (LWP 8039)):
#0  0x00007fbe25762613 in select () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007fbe270ce03d in MythSocketThread::run (this=0x7fbe100139d0) at mythsocketthread.cpp:263
#2  0x00007fbe270b7a47 in MThreadInternal::run (this=0x7fbe100138f0) at mthread.cpp:78
#3  0x00007fbe2624dd05 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4  0x00007fbe1e6c3454 in ?? () from /usr/lib/libGL.so.1
#5  0x00007fbe268b0efc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fbe2576959d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fbe2988c7c0 (LWP 8032)):
#0  0x00007fbe28f000aa in PlayerContext::StopPlaying (this=0x230ace0) at playercontext.cpp:483
#1  0x00007fbe28f01e20 in PlayerContext::SetPlayer (this=0x230ace0, newplayer=0x0) at playercontext.cpp:794
#2  0x00007fbe28efe33f in PlayerContext::TeardownPlayer (this=0x230ace0) at playercontext.cpp:65
#3  0x00007fbe28efe197 in PlayerContext::~PlayerContext (this=0x230ace0, __in_chrg=<optimized out>) at playercontext.cpp:54
#4  0x00000000004188f8 in Transcode::~Transcode (this=0x2308590, __in_chrg=<optimized out>) at transcode.cpp:751
#5  0x0000000000418ae4 in Transcode::~Transcode (this=0x2308590, __in_chrg=<optimized out>) at transcode.cpp:760
#6  0x000000000040f53c in main (argc=8, argv=0x7fff1052b068) at main.cpp:599
(gdb)