Hi,

It's maybe normal as i'm using a devel version, i have, regulari, some
crash with the devel version of darktable.

If it's can help the team, i can provide some backtrace of them

PS : maybe i need to add some devel package to provide more symbol
table ? 

this is darktable 1.5+902~gd4a51a1 reporting a segfault:

#0  0x00007fc639b6a6d7 in waitpid () from /lib64/libpthread.so.0
#1  0x00007fc63d2b7a3b in _dt_sigsegv_handler (param=11) at 
/home/roumano/bin/darktable/src/common/darktable.c:163
#2  <signal handler called>
#3  0x00007fc63c4aec81 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#4  0x00007fc63ccd9df0 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#5  0x00007fc63cceb8e0 in ?? () from /usr/lib/libgobject-2.0.so.0
#6  0x00007fc63ccf3456 in g_signal_emit_valist () from 
/usr/lib/libgobject-2.0.so.0
#7  0x00007fc63ccf3b7e in g_signal_emit_by_name () from 
/usr/lib/libgobject-2.0.so.0
#8  0x00007fc63ca7228f in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#9  0x00007fc63ca72648 in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#10 0x00007fc63ca726ce in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#11 0x00007fc63cf63615 in g_main_context_dispatch () from 
/usr/lib/libglib-2.0.so.0
#12 0x00007fc63cf63958 in ?? () from /usr/lib/libglib-2.0.so.0
#13 0x00007fc63cf63daa in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#14 0x00007fc63c519f97 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#15 0x00007fc63d3831bb in dt_gui_gtk_run (gui=<optimized out>) at 
/home/roumano/bin/darktable/src/gui/gtk.c:1051
#16 0x0000000000400b48 in main (argc=<optimized out>, argv=<optimized out>) at 
/home/roumano/bin/darktable/src/main.c:25

Thread 66 (Thread 0x7fc62eb07700 (LWP 821)):
#0  0x00007fc639b66cfc in pthread_cond_wait@@GLIBC_2.3.2 () from 
/lib64/libpthread.so.0
No symbol table info available.
#1  0x00007fc63d307b22 in dt_control_work (ptr=0x19755b0) at 
/home/roumano/bin/darktable/src/control/control.c:820
        s = 0x19755b0
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 65 (Thread 0x7fc62e306700 (LWP 822)):
#0  0x00007fc639b66cfc in pthread_cond_wait@@GLIBC_2.3.2 () from 
/lib64/libpthread.so.0
No symbol table info available.
#1  0x00007fc63d307b22 in dt_control_work (ptr=0x19755b0) at 
/home/roumano/bin/darktable/src/control/control.c:820
        s = 0x19755b0
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 64 (Thread 0x7fc62db05700 (LWP 823)):
#0  0x00007fc639b66cfc in pthread_cond_wait@@GLIBC_2.3.2 () from 
/lib64/libpthread.so.0
No symbol table info available.
#1  0x00007fc63d307b22 in dt_control_work (ptr=0x19755b0) at 
/home/roumano/bin/darktable/src/control/control.c:820
        s = 0x19755b0
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 63 (Thread 0x7fc62d304700 (LWP 824)):
#0  0x00007fc639b66cfc in pthread_cond_wait@@GLIBC_2.3.2 () from 
/lib64/libpthread.so.0
No symbol table info available.
#1  0x00007fc63d307b22 in dt_control_work (ptr=0x19755b0) at 
/home/roumano/bin/darktable/src/control/control.c:820
        s = 0x19755b0
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 62 (Thread 0x7fc62cb03700 (LWP 825)):
#0  0x00007fc6369b202d in nanosleep () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007fc6369b1ed1 in sleep () from /lib64/libc.so.6
No symbol table info available.
#2  0x00007fc63d3068fa in _control_worker_kicker (ptr=0x19755b0) at 
/home/roumano/bin/darktable/src/control/control.c:798
        s = 0x19755b0
#3  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#4  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 61 (Thread 0x7fc62c302700 (LWP 826)):
#0  0x00007fc639b66cfc in pthread_cond_wait@@GLIBC_2.3.2 () from 
/lib64/libpthread.so.0
No symbol table info available.
#1  0x00007fc63d307c03 in dt_control_work_res (ptr=0x19755b0) at 
/home/roumano/bin/darktable/src/control/control.c:785
        old = 0
        s = 0x19755b0
        threadid = 0
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 60 (Thread 0x7fc62bb01700 (LWP 827)):
#0  0x00007fc639b66cfc in pthread_cond_wait@@GLIBC_2.3.2 () from 
/lib64/libpthread.so.0
No symbol table info available.
#1  0x00007fc63d307c03 in dt_control_work_res (ptr=0x19755b0) at 
/home/roumano/bin/darktable/src/control/control.c:785
        old = 0
        s = 0x19755b0
        threadid = 1
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 59 (Thread 0x7fc62b300700 (LWP 829)):
#0  0x00007fc639b66cfc in pthread_cond_wait@@GLIBC_2.3.2 () from 
/lib64/libpthread.so.0
No symbol table info available.
#1  0x00007fc63d307c03 in dt_control_work_res (ptr=0x19755b0) at 
/home/roumano/bin/darktable/src/control/control.c:785
        old = 0
        s = 0x19755b0
        threadid = 2
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 58 (Thread 0x7fc62aaff700 (LWP 830)):
#0  0x00007fc639b66cfc in pthread_cond_wait@@GLIBC_2.3.2 () from 
/lib64/libpthread.so.0
No symbol table info available.
#1  0x00007fc63d307c03 in dt_control_work_res (ptr=0x19755b0) at 
/home/roumano/bin/darktable/src/control/control.c:785
        old = 0
        s = 0x19755b0
        threadid = 3
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 57 (Thread 0x7fc62a2fe700 (LWP 831)):
#0  0x00007fc639b66cfc in pthread_cond_wait@@GLIBC_2.3.2 () from 
/lib64/libpthread.so.0
No symbol table info available.
#1  0x00007fc63d307c03 in dt_control_work_res (ptr=0x19755b0) at 
/home/roumano/bin/darktable/src/control/control.c:785
        old = 0
        s = 0x19755b0
        threadid = 4
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 56 (Thread 0x7fc629afd700 (LWP 832)):
#0  0x00007fc639b66cfc in pthread_cond_wait@@GLIBC_2.3.2 () from 
/lib64/libpthread.so.0
No symbol table info available.
#1  0x00007fc63d307c03 in dt_control_work_res (ptr=0x19755b0) at 
/home/roumano/bin/darktable/src/control/control.c:785
        old = 0
        s = 0x19755b0
        threadid = 5
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 55 (Thread 0x7fc6292fc700 (LWP 835)):
#0  0x00007fc639b66cfc in pthread_cond_wait@@GLIBC_2.3.2 () from 
/lib64/libpthread.so.0
No symbol table info available.
#1  0x00007fc63d307c03 in dt_control_work_res (ptr=0x19755b0) at 
/home/roumano/bin/darktable/src/control/control.c:785
        old = 0
        s = 0x19755b0
        threadid = 6
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 54 (Thread 0x7fc628afb700 (LWP 838)):
#0  0x00007fc639b66cfc in pthread_cond_wait@@GLIBC_2.3.2 () from 
/lib64/libpthread.so.0
No symbol table info available.
#1  0x00007fc63d307c03 in dt_control_work_res (ptr=0x19755b0) at 
/home/roumano/bin/darktable/src/control/control.c:785
        old = 0
        s = 0x19755b0
        threadid = 7
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 53 (Thread 0x7fc625017700 (LWP 839)):
#0  0x00007fc639b68ef0 in sem_wait () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x00007fc625f2c940 in ?? () from 
/usr/lib64/OpenCL/vendors/amd/libamdocl64.so
No symbol table info available.
#2  0x00007fc625f290df in ?? () from 
/usr/lib64/OpenCL/vendors/amd/libamdocl64.so
No symbol table info available.
#3  0x00007fc625f16101 in ?? () from 
/usr/lib64/OpenCL/vendors/amd/libamdocl64.so
No symbol table info available.
#4  0x00007fc625f169a5 in ?? () from 
/usr/lib64/OpenCL/vendors/amd/libamdocl64.so
No symbol table info available.
#5  0x00007fc625f2d4a1 in ?? () from 
/usr/lib64/OpenCL/vendors/amd/libamdocl64.so
No symbol table info available.
#6  0x00007fc625f2ae3c in ?? () from 
/usr/lib64/OpenCL/vendors/amd/libamdocl64.so
No symbol table info available.
#7  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#8  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 52 (Thread 0x7fc59c050700 (LWP 840)):
#0  0x00007fc6369d8d2d in poll () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007fc63cf638ec in ?? () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fc63cf63daa in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fc63a460926 in ?? () from /usr/lib/libgio-2.0.so.0
No symbol table info available.
#4  0x00007fc63cf87215 in ?? () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#6  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 51 (Thread 0x7fc58c38b700 (LWP 843)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 50 (Thread 0x7fc57c5e6700 (LWP 844)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 49 (Thread 0x7fc57bde5700 (LWP 845)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 48 (Thread 0x7fc57b5e4700 (LWP 846)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 47 (Thread 0x7fc57ade3700 (LWP 851)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 46 (Thread 0x7fc57a5e2700 (LWP 852)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 45 (Thread 0x7fc579de1700 (LWP 853)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 44 (Thread 0x7fc576a36700 (LWP 854)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 43 (Thread 0x7fc56be8b700 (LWP 855)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 42 (Thread 0x7fc56b68a700 (LWP 856)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 41 (Thread 0x7fc56ae89700 (LWP 857)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 40 (Thread 0x7fc56a688700 (LWP 858)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 39 (Thread 0x7fc569e87700 (LWP 859)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 38 (Thread 0x7fc569686700 (LWP 860)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 37 (Thread 0x7fc568e85700 (LWP 861)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 36 (Thread 0x7fc568684700 (LWP 862)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 35 (Thread 0x7fc567e83700 (LWP 863)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 34 (Thread 0x7fc567682700 (LWP 865)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 33 (Thread 0x7fc566e81700 (LWP 866)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 32 (Thread 0x7fc566680700 (LWP 867)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 31 (Thread 0x7fc565e7f700 (LWP 868)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 30 (Thread 0x7fc5761d2700 (LWP 869)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 29 (Thread 0x7fc5759d1700 (LWP 870)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 28 (Thread 0x7fc57474b700 (LWP 871)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 27 (Thread 0x7fc573f4a700 (LWP 872)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 26 (Thread 0x7fc573749700 (LWP 873)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 25 (Thread 0x7fc572f48700 (LWP 874)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 24 (Thread 0x7fc51ea3e700 (LWP 876)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 23 (Thread 0x7fc5751d0700 (LWP 1014)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 22 (Thread 0x7fc56fad3700 (LWP 1016)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 21 (Thread 0x7fc56f2d2700 (LWP 1017)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 20 (Thread 0x7fc56ead1700 (LWP 1019)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 19 (Thread 0x7fc5611de700 (LWP 1020)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 18 (Thread 0x7fc5609dd700 (LWP 1021)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 17 (Thread 0x7fc5601dc700 (LWP 1022)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 16 (Thread 0x7fc598dd1700 (LWP 1023)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 15 (Thread 0x7fc55f9db700 (LWP 1024)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 14 (Thread 0x7fc55f1da700 (LWP 1026)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 13 (Thread 0x7fc55e9d9700 (LWP 1027)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 12 (Thread 0x7fc55e1d8700 (LWP 1028)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 11 (Thread 0x7fc55d9d7700 (LWP 1029)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 10 (Thread 0x7fc55d1d6700 (LWP 1034)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 9 (Thread 0x7fc59b5a8700 (LWP 1096)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 8 (Thread 0x7fc5985d0700 (LWP 1097)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 7 (Thread 0x7fc597dcf700 (LWP 1098)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 6 (Thread 0x7fc5975ce700 (LWP 1099)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 5 (Thread 0x7fc596dcd700 (LWP 1100)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 4 (Thread 0x7fc5965cc700 (LWP 1102)):
#0  0x00007fc636ca9856 in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#1  0x00007fc636ca80ce in ?? () from 
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/libgomp.so.1
No symbol table info available.
#2  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#3  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 3 (Thread 0x7fc52da43700 (LWP 9303)):
#0  0x00007fc6369d8d2d in poll () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007fc63cf638ec in ?? () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fc63cf63a14 in g_main_context_iteration () from 
/usr/lib/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fc63cf63a71 in ?? () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fc63cf87215 in ?? () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#6  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 2 (Thread 0x7fc53ecbf700 (LWP 10276)):
#0  0x00007fc639b670ce in pthread_cond_timedwait@@GLIBC_2.3.2 () from 
/lib64/libpthread.so.0
No symbol table info available.
#1  0x00007fc63cfa26d5 in g_cond_wait_until () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fc63cf3aa81 in ?? () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fc63cf3b0ba in g_async_queue_timeout_pop () from 
/usr/lib/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fc63cf87992 in ?? () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fc63cf87215 in ?? () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#6  0x00007fc639b62f3a in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#7  0x00007fc6369e29ad in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 1 (Thread 0x7fc63d76d980 (LWP 817)):
#0  0x00007fc639b6a6d7 in waitpid () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x00007fc63d2b7a3b in _dt_sigsegv_handler (param=11) at 
/home/roumano/bin/darktable/src/common/darktable.c:163
        pid = <optimized out>
        name_used = 0x3192d50 "/tmp/darktable_bt_DFT3EX.txt"
        fout = <optimized out>
        delete_file = 0
        datadir = 
"/opt/darktable/share/darktable\000\000\001\000\000\000\000\000\000\000J\000\000\000\000\000\000\000\377\377\377\377\377\377#@\000\000\000\000\000\000\000\000\v",
 '\000' <repeats 13 times>, "\030@\000\000\000\000\000\000\000\000\f", '\000' 
<repeats 13 times>, 
"\030@\000\000\000\000\000\000\000\000\020\343\300\030\377\177\000\000\340\342\300\030\377\177\000\000\000\000\000\000\000\000\000\000@b\255\004\000\000\000\000P\360\300\030\377\177\000\000\257g\227\066\306\177\000\000O",
 '\000' <repeats 13 times>, "\020@\000\000\000\000\000\000\000\000P", '\000' 
<repeats 13 times>, 
",@\303<x3\306\177\000\000\000LF\002\000\000\000\000\000LF\002\000\000\000\000\000\373\030\005",
 '\000' <repeats 13 times>...
        pid_arg = 0x3550eb0 "817"
        comm_arg = 0x4a52f70 "/opt/darktable/share/darktable/gdb_commands"
        log_arg = 0x43abe80 "set logging on /tmp/darktable_bt_DFT3EX.txt"
#2  <signal handler called>
No symbol table info available.
#3  0x00007fc63c4aec81 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
No symbol table info available.
#4  0x00007fc63ccd9df0 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#5  0x00007fc63cceb8e0 in ?? () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#6  0x00007fc63ccf3456 in g_signal_emit_valist () from 
/usr/lib/libgobject-2.0.so.0
No symbol table info available.
#7  0x00007fc63ccf3b7e in g_signal_emit_by_name () from 
/usr/lib/libgobject-2.0.so.0
No symbol table info available.
#8  0x00007fc63ca7228f in ?? () from /usr/lib/libgdk-x11-2.0.so.0
No symbol table info available.
#9  0x00007fc63ca72648 in ?? () from /usr/lib/libgdk-x11-2.0.so.0
No symbol table info available.
#10 0x00007fc63ca726ce in ?? () from /usr/lib/libgdk-x11-2.0.so.0
No symbol table info available.
#11 0x00007fc63cf63615 in g_main_context_dispatch () from 
/usr/lib/libglib-2.0.so.0
No symbol table info available.
#12 0x00007fc63cf63958 in ?? () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#13 0x00007fc63cf63daa in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#14 0x00007fc63c519f97 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
No symbol table info available.
#15 0x00007fc63d3831bb in dt_gui_gtk_run (gui=<optimized out>) at 
/home/roumano/bin/darktable/src/gui/gtk.c:1051
        widget = <optimized out>
        allocation = {x = 310, y = 10, width = 280, height = 480}
#16 0x0000000000400b48 in main (argc=<optimized out>, argv=<optimized out>) at 
/home/roumano/bin/darktable/src/main.c:25
No locals.
------------------------------------------------------------------------------
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