(gdb) info threads
  Id   Target Id         Frame
  14   Thread 0x7fcdf5621700 (LWP 32689) "RxPFR1" 0x00007fcdf998589c in __lll_lock_wait () from /lib/x86_64-linux-gnu/libpthread.so.0
  13   Thread 0x7fcdf4e20700 (LWP 32690) "RxPFR2" 0x00007fcdf9241a43 in poll () from /lib/x86_64-linux-gnu/libc.so.6
  12   Thread 0x7fcdd7fff700 (LWP 32691) "Detect1" 0x00007fcdf9982d84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
  11   Thread 0x7fcdd77fe700 (LWP 32692) "Detect2" 0x00007fcdfa692ce5 in htp_list_array_get (l=0x7fcdd0c53190, idx=7601) at htp_list.c:98
  10   Thread 0x7fcdd6ffd700 (LWP 32693) "Detect3" 0x00007fcdf9982d84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
  9    Thread 0x7fcdcffff700 (LWP 32694) "Detect4" 0x00007fcdf9982d84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
  8    Thread 0x7fcdd67fc700 (LWP 32695) "Detect5" 0x00007fcdf9982d84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
  7    Thread 0x7fcdd5ffb700 (LWP 32696) "Detect6" 0x00007fcdf9982d84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
  6    Thread 0x7fcdd57fa700 (LWP 32697) "Detect7" 0x00007fcdf9982d84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
  5    Thread 0x7fcdd4ff9700 (LWP 32698) "Detect8" 0x00007fcdf9982d84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
  4    Thread 0x7fcdcf7fe700 (LWP 32699) "FlowManagerThre" 0x00007fcdf99830fe in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
  3    Thread 0x7fcdceffd700 (LWP 32700) "SCPerfWakeupThr" 0x00007fcdf99830fe in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
  2    Thread 0x7fcdce7fc700 (LWP 32701) "SCPerfMgmtThrea" 0x00007fcdf99830fe in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
* 1    Thread 0x7fcdfaab2840 (LWP 32668) "Suricata-Main" 0x00007fcdf921908d in nanosleep () from /lib/x86_64-linux-gnu/libc.so.6
(gdb) t 11
[Switching to thread 11 (Thread 0x7fcdd77fe700 (LWP 32692))]
#0  0x00007fcdfa692ce5 in htp_list_array_get (l=0x7fcdd0c53190, idx=7601) at htp_list.c:98
98              r = l->elements[i];
(gdb) print l
$1 = (const htp_list_array_t *) 0x7fcdd0c53190
(gdb) bt
#0  0x00007fcdfa692ce5 in htp_list_array_get (l=0x7fcdd0c53190, idx=7601) at htp_list.c:98
#1  0x000000000045bc57 in DetectMpmPrefilter (sms_runflags=<synthetic pointer>, has_state=1, alproto=1, flags=8 '\b', p=0x2cd2990, smsg=0x0, det_ctx=0x7fcdd0001c50,
    de_ctx=0x4a02cd0) at detect.c:819
#2  SigMatchSignatures (th_v=0x71110c0, de_ctx=0x4a02cd0, det_ctx=0x7fcdd0001c50, p=0x2cd2990) at detect.c:1319
#3  0x000000000045c475 in Detect (data=<optimized out>, p=<optimized out>, tv=<optimized out>, pq=<optimized out>, postpq=<optimized out>) at detect.c:1730
#4  Detect (tv=<optimized out>, p=<optimized out>, data=<optimized out>, pq=<optimized out>, postpq=<optimized out>) at detect.c:1702
#5  0x000000000051ec08 in TmThreadsSlotVarRun (tv=0x71110c0, p=0x2cd2990, slot=<optimized out>) at tm-threads.c:559
#6  0x00000000005216e0 in TmThreadsSlotVar (td=0x71110c0) at tm-threads.c:814
#7  0x00007fcdf997ee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007fcdf924d3fd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#9  0x0000000000000000 in ?? ()