Dear developers,

dt git master reproducibly crashes (segfault) when selecting a preset fom the hamburger menu of import module in lighttable.

* darktable version : dt 3.5.0+1596~g87b380c61
* OS                : Linux - kernel 5.4.0-70.78
* Linux - Distro    : Ubuntu 20.04
* Memory            : 64 GB
* Graphics card     : NVIDIA GeForce RTX 2060
* Graphics driver   : NVIDIA driver 450.102.04
* OpenCL installed  : yes
* OpenCL activated  : yes
* Xorg              : 1.20.9-2ubuntu1.2~20.04.1
* Desktop           : LXQt
* GTK+              : 3.24.20-0ubuntu1
* gcc               : 9.3.0-1ubuntu2

core dump attached, regards


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this is darktable 3.5.0+1596~g87b380c61 reporting a segfault:

Warnung: Currently logging to /tmp/darktable_bt_RV5H10.txt.  Turn the logging 
off and on to make the new setting effective.
#0  0x00007f051076ddff in __GI___wait4 (pid=pid@entry=57455, 
stat_loc=stat_loc@entry=0x0, options=options@entry=0, usage=usage@entry=0x0) at 
../sysdeps/unix/sysv/linux/wait4.c:27
#1  0x00007f051076dd7b in __GI___waitpid (pid=pid@entry=57455, 
stat_loc=stat_loc@entry=0x0, options=options@entry=0) at waitpid.c:38
#2  0x00007f0510a09df0 in _dt_sigsegv_handler (param=11) at 
/home/ph/darktable/master/src/common/system_signal_handling.c:114
#3  0x00007f05106ce210 in <signal handler called> () at 
/lib/x86_64-linux-gnu/libc.so.6
#4  0x00007f05103eb5f4 in g_str_hash () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f05103ea73c in g_hash_table_lookup () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f0510a151d0 in dt_conf_get_var (name=0x0) at 
/home/ph/darktable/master/src/control/conf.c:61
#7  dt_conf_get_bool (name=0x0) at 
/home/ph/darktable/master/src/control/conf.c:291
#8  0x00007f0510b675db in dt_gui_preferences_bool_update (widget=0x0) at 
/home/ph/darktable/master/src/gui/preferences.c:1909
#9  0x00007f0485693d12 in _apply_preferences (self=0x564e22d77840, 
pref=<optimized out>) at /home/ph/darktable/master/src/libs/import.c:1398
#10 set_params (self=0x564e22d77840, params=<optimized out>, size=<optimized 
out>) at /home/ph/darktable/master/src/libs/import.c:1421
#11 0x00007f0510b77e6f in dt_lib_presets_apply (preset=0x564e234f0800 
"Farbnegativ", module_name=0x564e22f15a40 "import", module_version=1) at 
/home/ph/darktable/master/src/libs/lib.c:512
#12 0x00007f050f718802 in g_closure_invoke () at 
/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#13 0x00007f050f72c814 in  () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#14 0x00007f050f737bbe in g_signal_emit_valist () at 
/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#15 0x00007f050f7380f3 in g_signal_emit () at 
/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#16 0x00007f050ff8cab2 in gtk_widget_activate () at 
/lib/x86_64-linux-gnu/libgtk-3.so.0
#17 0x00007f050fe5aa36 in gtk_menu_shell_activate_item () at 
/lib/x86_64-linux-gnu/libgtk-3.so.0
#18 0x00007f050fe5acc3 in  () at /lib/x86_64-linux-gnu/libgtk-3.so.0
#19 0x00007f050ffdf5ef in  () at /lib/x86_64-linux-gnu/libgtk-3.so.0
#20 0x00007f050f718a56 in  () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#21 0x00007f050f736df1 in g_signal_emit_valist () at 
/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#22 0x00007f050f7380f3 in g_signal_emit () at 
/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#23 0x00007f050ff89c23 in  () at /lib/x86_64-linux-gnu/libgtk-3.so.0
#24 0x00007f050fe45128 in  () at /lib/x86_64-linux-gnu/libgtk-3.so.0
#25 0x00007f050fe473db in gtk_main_do_event () at 
/lib/x86_64-linux-gnu/libgtk-3.so.0
#26 0x00007f050fb2ff79 in  () at /lib/x86_64-linux-gnu/libgdk-3.so.0
#27 0x00007f050fb63106 in  () at /lib/x86_64-linux-gnu/libgdk-3.so.0
#28 0x00007f05103fd17d in g_main_context_dispatch () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007f05103fd400 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007f05103fd6f3 in g_main_loop_run () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007f050fe4637d in gtk_main () at /lib/x86_64-linux-gnu/libgtk-3.so.0
#32 0x00007f0510b378fd in dt_gui_gtk_run (gui=<optimized out>) at 
/home/ph/darktable/master/src/gui/gtk.c:1558
#33 0x0000564e1e6a50d6 in main (argc=<optimized out>, argv=<optimized out>) at 
/home/ph/darktable/master/src/main.c:93

=========

  Id   Target Id                                          Frame 
* 1    Thread 0x7f050959e100 (LWP 57371) "darktable"      0x00007f051076ddff in 
__GI___wait4 (pid=pid@entry=57455, stat_loc=stat_loc@entry=0x0, 
options=options@entry=0, usage=usage@entry=0x0) at 
../sysdeps/unix/sysv/linux/wait4.c:27
  2    Thread 0x7f0508fc2700 (LWP 57372) "gmain"          0x00007f051079daff in 
__GI___poll (fds=0x564e1f0001e0, nfds=2, timeout=3996) at 
../sysdeps/unix/sysv/linux/poll.c:29
  3    Thread 0x7f05037fe700 (LWP 57374) "gdbus"          0x00007f051079daff in 
__GI___poll (fds=0x564e1efd6120, nfds=3, timeout=-1) at 
../sysdeps/unix/sysv/linux/poll.c:29
  4    Thread 0x7f0502ffd700 (LWP 57375) "worker 0"       futex_wait_cancelable 
(private=<optimized out>, expected=0, futex_word=0x564e1effbafc) at 
../sysdeps/nptl/futex-internal.h:183
  5    Thread 0x7f05027fc700 (LWP 57376) "worker 1"       futex_wait_cancelable 
(private=<optimized out>, expected=0, futex_word=0x564e1effbafc) at 
../sysdeps/nptl/futex-internal.h:183
  6    Thread 0x7f0501ffb700 (LWP 57377) "worker 2"       futex_wait_cancelable 
(private=<optimized out>, expected=0, futex_word=0x564e1effbafc) at 
../sysdeps/nptl/futex-internal.h:183
  7    Thread 0x7f05017fa700 (LWP 57378) "worker 3"       futex_wait_cancelable 
(private=<optimized out>, expected=0, futex_word=0x564e1effbafc) at 
../sysdeps/nptl/futex-internal.h:183
  8    Thread 0x7f0500ff9700 (LWP 57379) "worker 4"       futex_wait_cancelable 
(private=<optimized out>, expected=0, futex_word=0x564e1effbafc) at 
../sysdeps/nptl/futex-internal.h:183
  9    Thread 0x7f04ebfff700 (LWP 57380) "worker 5"       futex_wait_cancelable 
(private=<optimized out>, expected=0, futex_word=0x564e1effbafc) at 
../sysdeps/nptl/futex-internal.h:183
  10   Thread 0x7f04eb7fe700 (LWP 57381) "worker 6"       futex_wait_cancelable 
(private=<optimized out>, expected=0, futex_word=0x564e1effbafc) at 
../sysdeps/nptl/futex-internal.h:183
  11   Thread 0x7f04eaffd700 (LWP 57382) "worker 7"       futex_wait_cancelable 
(private=<optimized out>, expected=0, futex_word=0x564e1effbafc) at 
../sysdeps/nptl/futex-internal.h:183
  12   Thread 0x7f04ea7fc700 (LWP 57383) "kicker"         0x00007f05107683bf in 
__GI___clock_nanosleep (clock_id=clock_id@entry=0, flags=flags@entry=0, 
req=req@entry=0x7f04ea7ed4e0, rem=rem@entry=0x7f04ea7ed4e0) at 
../sysdeps/unix/sysv/linux/clock_nanosleep.c:78
  13   Thread 0x7f04e9ffb700 (LWP 57384) "worker res 0"   futex_wait_cancelable 
(private=<optimized out>, expected=0, futex_word=0x564e1effbafc) at 
../sysdeps/nptl/futex-internal.h:183
  14   Thread 0x7f04e97fa700 (LWP 57385) "worker res 1"   futex_wait_cancelable 
(private=<optimized out>, expected=0, futex_word=0x564e1effbafc) at 
../sysdeps/nptl/futex-internal.h:183
  15   Thread 0x7f04e8ff9700 (LWP 57386) "worker res 2"   futex_wait_cancelable 
(private=<optimized out>, expected=0, futex_word=0x564e1effbafc) at 
../sysdeps/nptl/futex-internal.h:183
  16   Thread 0x7f04d3fff700 (LWP 57387) "gphoto_update"  0x00007f05107683bf in 
__GI___clock_nanosleep (clock_id=clock_id@entry=0, flags=flags@entry=0, 
req=0x7f04d3ff0470, rem=0x7f04d3ff0480) at 
../sysdeps/unix/sysv/linux/clock_nanosleep.c:78
  17   Thread 0x7f04d1409700 (LWP 57390) "cuda-EvtHandlr" 0x00007f051079daff in 
__GI___poll (fds=0x7f04b4000c10, nfds=11, timeout=100) at 
../sysdeps/unix/sysv/linux/poll.c:29
  18   Thread 0x7f04d0c08700 (LWP 57391) "darktable"      futex_wait_cancelable 
(private=<optimized out>, expected=0, futex_word=0x564e1f3a1768) at 
../sysdeps/nptl/futex-internal.h:183
  19   Thread 0x7f04c6ab5700 (LWP 57392) "darktable"      
futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, 
futex_word=0x564e1f92b018) at ../sysdeps/nptl/futex-internal.h:320
  20   Thread 0x7f04c62b4700 (LWP 57393) "darktable"      
futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, 
futex_word=0x564e1f92b018) at ../sysdeps/nptl/futex-internal.h:320
  21   Thread 0x7f04c5ab3700 (LWP 57394) "darktable"      
futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, 
futex_word=0x564e1f92b018) at ../sysdeps/nptl/futex-internal.h:320
  22   Thread 0x7f04c52b2700 (LWP 57395) "darktable"      
futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, 
futex_word=0x564e1f92b018) at ../sysdeps/nptl/futex-internal.h:320
  23   Thread 0x7f04c4ab1700 (LWP 57396) "darktable"      
futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, 
futex_word=0x564e1f080008) at ../sysdeps/nptl/futex-internal.h:320
  24   Thread 0x7f04b9fff700 (LWP 57399) "lua thread"     0x00007f051079daff in 
__GI___poll (fds=0x564e22ec8fa0, nfds=1, timeout=-1) at 
../sysdeps/unix/sysv/linux/poll.c:29
  25   Thread 0x7f047e426700 (LWP 57417) "darktable"      0x00007f05104f114e in 
?? () from /lib/x86_64-linux-gnu/libgomp.so.1
  26   Thread 0x7f047dc25700 (LWP 57418) "darktable"      0x00007f05104f114e in 
?? () from /lib/x86_64-linux-gnu/libgomp.so.1
  27   Thread 0x7f047d424700 (LWP 57419) "darktable"      0x00007f05104f114e in 
?? () from /lib/x86_64-linux-gnu/libgomp.so.1
  28   Thread 0x7f047cc23700 (LWP 57420) "darktable"      0x00007f05104f114e in 
?? () from /lib/x86_64-linux-gnu/libgomp.so.1
  29   Thread 0x7f0473fff700 (LWP 57421) "darktable"      0x00007f05104f114e in 
?? () from /lib/x86_64-linux-gnu/libgomp.so.1
  30   Thread 0x7f04737fe700 (LWP 57422) "darktable"      0x00007f05104f114e in 
?? () from /lib/x86_64-linux-gnu/libgomp.so.1
  31   Thread 0x7f0472ffd700 (LWP 57423) "darktable"      0x00007f05104f114e in 
?? () from /lib/x86_64-linux-gnu/libgomp.so.1
  32   Thread 0x7f04727fc700 (LWP 57424) "darktable"      0x00007f05104f114e in 
?? () from /lib/x86_64-linux-gnu/libgomp.so.1
  33   Thread 0x7f0471ffb700 (LWP 57425) "darktable"      0x00007f05104f114e in 
?? () from /lib/x86_64-linux-gnu/libgomp.so.1
  34   Thread 0x7f04717fa700 (LWP 57426) "darktable"      0x00007f05104f114e in 
?? () from /lib/x86_64-linux-gnu/libgomp.so.1
  35   Thread 0x7f0470ff9700 (LWP 57427) "darktable"      0x00007f05104f114e in 
?? () from /lib/x86_64-linux-gnu/libgomp.so.1
  36   Thread 0x7f0484cde700 (LWP 57433) "pool-darktable" syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38

=========

Thread 36 (Thread 0x7f0484cde700 (LWP 57433)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f051044a746 in g_cond_wait_until () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f05103cd581 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f05103cdba6 in g_async_queue_timeout_pop () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f0510427419 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f0510426ad1 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f051066e609 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139657384683264, 
-5646177059210814431, 139658277093870, 139658277093871, 139658277094016, 
139657384621568, 5741445730577914913, 5741701589855738913}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
        not_first_call = 0
#7  0x00007f05107aa293 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 35 (Thread 0x7f0470ff9700 (LWP 57427)):
#0  0x00007f05104f114e in  () at /lib/x86_64-linux-gnu/libgomp.so.1
#1  0x00007f05104ee758 in  () at /lib/x86_64-linux-gnu/libgomp.so.1
#2  0x00007f051066e609 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139657052395264, 
-5646177059210814431, 140736700601950, 140736700601951, 139659725330208, 
139657052333568, 5741067100756614177, 5741701589855738913}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
        not_first_call = 0
#3  0x00007f05107aa293 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 34 (Thread 0x7f04717fa700 (LWP 57426)):
#0  0x00007f05104f114e in  () at /lib/x86_64-linux-gnu/libgomp.so.1
#1  0x00007f05104ee758 in  () at /lib/x86_64-linux-gnu/libgomp.so.1
#2  0x00007f051066e609 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139657060787968, 
-5646177059210814431, 140736700601950, 140736700601951, 139659725330208, 
139657060726272, 5741066001781857313, 5741701589855738913}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
        not_first_call = 0
#3  0x00007f05107aa293 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 33 (Thread 0x7f0471ffb700 (LWP 57425)):
#0  0x00007f05104f114e in  () at /lib/x86_64-linux-gnu/libgomp.so.1
#1  0x00007f05104ee758 in  () at /lib/x86_64-linux-gnu/libgomp.so.1
#2  0x00007f051066e609 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139657069180672, 
-5646177059210814431, 140736700601950, 140736700601951, 139659725330208, 
139657069118976, 5741064902807100449, 5741701589855738913}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
        not_first_call = 0
#3  0x00007f05107aa293 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 32 (Thread 0x7f04727fc700 (LWP 57424)):
#0  0x00007f05104f114e in  () at /lib/x86_64-linux-gnu/libgomp.so.1
#1  0x00007f05104ee758 in  () at /lib/x86_64-linux-gnu/libgomp.so.1
#2  0x00007f051066e609 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139657077573376, 
-5646177059210814431, 140736700601950, 140736700601951, 139659725330208, 
139657077511680, 5741063803832343585, 5741701589855738913}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
        not_first_call = 0
#3  0x00007f05107aa293 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 31 (Thread 0x7f0472ffd700 (LWP 57423)):
#0  0x00007f05104f114e in  () at /lib/x86_64-linux-gnu/libgomp.so.1
#1  0x00007f05104ee758 in  () at /lib/x86_64-linux-gnu/libgomp.so.1
#2  0x00007f051066e609 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139657085966080, 
-5646177059210814431, 140736700601950, 140736700601951, 139659725330208, 
139657085904384, 5741062704857586721, 5741701589855738913}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
        not_first_call = 0
#3  0x00007f05107aa293 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 30 (Thread 0x7f04737fe700 (LWP 57422)):
#0  0x00007f05104f114e in  () at /lib/x86_64-linux-gnu/libgomp.so.1
#1  0x00007f05104ee758 in  () at /lib/x86_64-linux-gnu/libgomp.so.1
#2  0x00007f051066e609 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139657094358784, 
-5646177059210814431, 140736700601950, 140736700601951, 139659725330208, 
139657094297088, 5741061605882829857, 5741701589855738913}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
        not_first_call = 0
#3  0x00007f05107aa293 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 29 (Thread 0x7f0473fff700 (LWP 57421)):
#0  0x00007f05104f114e in  () at /lib/x86_64-linux-gnu/libgomp.so.1
#1  0x00007f05104ee758 in  () at /lib/x86_64-linux-gnu/libgomp.so.1
#2  0x00007f051066e609 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139657102751488, 
-5646177059210814431, 140736700601950, 140736700601951, 139659725330208, 
139657102689792, 5741060515498007585, 5741701589855738913}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
        not_first_call = 0
#3  0x00007f05107aa293 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 28 (Thread 0x7f047cc23700 (LWP 57420)):
#0  0x00007f05104f114e in  () at /lib/x86_64-linux-gnu/libgomp.so.1
#1  0x00007f05104ee758 in  () at /lib/x86_64-linux-gnu/libgomp.so.1
#2  0x00007f051066e609 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139657249699584, 
-5646177059210814431, 140736700601950, 140736700601951, 139659725330208, 
139657249637888, 5741041018493967393, 5741701589855738913}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
        not_first_call = 0
#3  0x00007f05107aa293 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 27 (Thread 0x7f047d424700 (LWP 57419)):
#0  0x00007f05104f114e in  () at /lib/x86_64-linux-gnu/libgomp.so.1
#1  0x00007f05104ee758 in  () at /lib/x86_64-linux-gnu/libgomp.so.1
#2  0x00007f051066e609 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139657258092288, 
-5646177059210814431, 140736700601950, 140736700601951, 139659725330208, 
139657258030592, 5741039919519210529, 5741701589855738913}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
        not_first_call = 0
#3  0x00007f05107aa293 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 26 (Thread 0x7f047dc25700 (LWP 57418)):
#0  0x00007f05104f114e in  () at /lib/x86_64-linux-gnu/libgomp.so.1
#1  0x00007f05104ee758 in  () at /lib/x86_64-linux-gnu/libgomp.so.1
#2  0x00007f051066e609 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139657266484992, 
-5646177059210814431, 140736700601950, 140736700601951, 139659725330208, 
139657266423296, 5741038820544453665, 5741701589855738913}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
        not_first_call = 0
#3  0x00007f05107aa293 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 25 (Thread 0x7f047e426700 (LWP 57417)):
#0  0x00007f05104f114e in  () at /lib/x86_64-linux-gnu/libgomp.so.1
#1  0x00007f05104ee758 in  () at /lib/x86_64-linux-gnu/libgomp.so.1
#2  0x00007f051066e609 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139657274877696, 
-5646177059210814431, 140736700601950, 140736700601951, 139659725330208, 
139657274816000, 5741037721569696801, 5741701589855738913}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
        not_first_call = 0
#3  0x00007f05107aa293 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 24 (Thread 0x7f04b9fff700 (LWP 57399)):
#0  0x00007f051079daff in __GI___poll (fds=0x564e22ec8fa0, nfds=1, timeout=-1) 
at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
#1  0x00007f05103fd36e in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f05103fd6f3 in g_main_loop_run () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0510b9d618 in lua_thread_main (data=<optimized out>) at 
/home/ph/darktable/master/src/lua/call.c:579
#4  0x00007f0510426ad1 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f051066e609 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139658277156608, 
-5646177059210814431, 140736700588398, 140736700588399, 140736700588544, 
139658277094912, 5741469533823540257, 5741701589855738913}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
        not_first_call = 0
#6  0x00007f05107aa293 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7f04c4ab1700 (LWP 57396)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, 
expected=0, futex_word=0x564e1f080008) at ../sysdeps/nptl/futex-internal.h:320
        __ret = -512
        op = 393
        __ret = <optimized out>
        oldtype = 0
        err = <optimized out>
#1  do_futex_wait (sem=sem@entry=0x564e1f080008, abstime=0x0, clockid=0) at 
sem_waitcommon.c:112
#2  0x00007f05106784e8 in __new_sem_wait_slow (sem=0x564e1f080008, abstime=0x0, 
clockid=0) at sem_waitcommon.c:184
        _buffer = {__routine = 0x7f05106783a0 <__sem_wait_cleanup>, __arg = 
0x564e1f080008, __canceltype = 0, __prev = 0x0}
        err = <optimized out>
        d = 0
#3  0x00007f04d1675417 in  () at /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
#4  0x00007f04d1523316 in  () at /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
#5  0x00007f04d1677dd8 in  () at /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
#6  0x00007f051066e609 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139658456143616, 
-5646177059210814431, 140736700586926, 140736700586927, 140736700586928, 
139658456081920, 5741305252398210081, 5741701589855738913}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
        not_first_call = 0
#7  0x00007f05107aa293 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7f04c52b2700 (LWP 57395)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, 
expected=0, futex_word=0x564e1f92b018) at ../sysdeps/nptl/futex-internal.h:320
        __ret = -512
        op = 393
        __ret = <optimized out>
        oldtype = 0
        err = <optimized out>
#1  do_futex_wait (sem=sem@entry=0x564e1f92b018, abstime=0x0, clockid=0) at 
sem_waitcommon.c:112
#2  0x00007f05106784e8 in __new_sem_wait_slow (sem=0x564e1f92b018, abstime=0x0, 
clockid=0) at sem_waitcommon.c:184
        _buffer = {__routine = 0x7f05106783a0 <__sem_wait_cleanup>, __arg = 
0x564e1f92b018, __canceltype = 0, __prev = 0x0}
        err = <optimized out>
        d = 12884901888
#3  0x00007f04d1675417 in  () at /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
#4  0x00007f04d1523316 in  () at /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
#5  0x00007f04d1677dd8 in  () at /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
#6  0x00007f051066e609 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139658464536320, 
-5646177059210814431, 140736700586926, 140736700586927, 140736700586928, 
139658464474624, 5741304153423453217, 5741701589855738913}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
        not_first_call = 0
#7  0x00007f05107aa293 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7f04c5ab3700 (LWP 57394)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, 
expected=0, futex_word=0x564e1f92b018) at ../sysdeps/nptl/futex-internal.h:320
        __ret = -512
        op = 393
        __ret = <optimized out>
        oldtype = 0
        err = <optimized out>
#1  do_futex_wait (sem=sem@entry=0x564e1f92b018, abstime=0x0, clockid=0) at 
sem_waitcommon.c:112
#2  0x00007f05106784e8 in __new_sem_wait_slow (sem=0x564e1f92b018, abstime=0x0, 
clockid=0) at sem_waitcommon.c:184
        _buffer = {__routine = 0x7f05106783a0 <__sem_wait_cleanup>, __arg = 
0x564e1f92b018, __canceltype = 0, __prev = 0x0}
        err = <optimized out>
        d = 8589934592
#3  0x00007f04d1675417 in  () at /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
#4  0x00007f04d1523316 in  () at /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
#5  0x00007f04d1677dd8 in  () at /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
#6  0x00007f051066e609 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139658472929024, 
-5646177059210814431, 140736700586926, 140736700586927, 140736700586928, 
139658472867328, 5741303054448696353, 5741701589855738913}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
        not_first_call = 0
#7  0x00007f05107aa293 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7f04c62b4700 (LWP 57393)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, 
expected=0, futex_word=0x564e1f92b018) at ../sysdeps/nptl/futex-internal.h:320
        __ret = -512
        op = 393
        __ret = <optimized out>
        oldtype = 0
        err = <optimized out>
#1  do_futex_wait (sem=sem@entry=0x564e1f92b018, abstime=0x0, clockid=0) at 
sem_waitcommon.c:112
#2  0x00007f05106784e8 in __new_sem_wait_slow (sem=0x564e1f92b018, abstime=0x0, 
clockid=0) at sem_waitcommon.c:184
        _buffer = {__routine = 0x7f05106783a0 <__sem_wait_cleanup>, __arg = 
0x564e1f92b018, __canceltype = 0, __prev = 0x0}
        err = <optimized out>
        d = 4294967296
#3  0x00007f04d1675417 in  () at /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
#4  0x00007f04d1523316 in  () at /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
#5  0x00007f04d1677dd8 in  () at /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
#6  0x00007f051066e609 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139658481321728, 
-5646177059210814431, 140736700586926, 140736700586927, 140736700586928, 
139658481260032, 5741301955473939489, 5741701589855738913}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
        not_first_call = 0
#7  0x00007f05107aa293 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f04c6ab5700 (LWP 57392)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, 
expected=0, futex_word=0x564e1f92b018) at ../sysdeps/nptl/futex-internal.h:320
        __ret = -512
        op = 393
        __ret = <optimized out>
        oldtype = 0
        err = <optimized out>
#1  do_futex_wait (sem=sem@entry=0x564e1f92b018, abstime=0x0, clockid=0) at 
sem_waitcommon.c:112
#2  0x00007f05106784e8 in __new_sem_wait_slow (sem=0x564e1f92b018, abstime=0x0, 
clockid=0) at sem_waitcommon.c:184
        _buffer = {__routine = 0x7f05106783a0 <__sem_wait_cleanup>, __arg = 
0x564e1f92b018, __canceltype = 0, __prev = 0x0}
        err = <optimized out>
        d = 0
#3  0x00007f04d1675417 in  () at /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
#4  0x00007f04d1523316 in  () at /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
#5  0x00007f04d1677dd8 in  () at /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
#6  0x00007f051066e609 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139658489714432, 
-5646177059210814431, 140736700586926, 140736700586927, 140736700586928, 
139658489652736, 5741300856499182625, 5741701589855738913}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
        not_first_call = 0
#7  0x00007f05107aa293 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f04d0c08700 (LWP 57391)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, 
futex_word=0x564e1f3a1768) at ../sysdeps/nptl/futex-internal.h:183
        __ret = -512
        oldtype = 0
        err = <optimized out>
        spin = 0
        buffer = {__routine = 0x7f0510675050 <__condvar_cleanup_waiting>, __arg 
= 0x7f04d0bf9400, __canceltype = 524519184, __prev = 0x0}
        cbuffer = {wseq = 0, cond = 0x564e1f3a1740, mutex = 0x564e1f3a1718, 
private = 0}
        err = <optimized out>
        g = 0
        flags = <optimized out>
        g1_start = <optimized out>
        signals = <optimized out>
        result = 0
        wseq = 0
        seq = 0
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x564e1f3a1718, 
cond=0x564e1f3a1740) at pthread_cond_wait.c:508
        spin = 0
        buffer = {__routine = 0x7f0510675050 <__condvar_cleanup_waiting>, __arg 
= 0x7f04d0bf9400, __canceltype = 524519184, __prev = 0x0}
        cbuffer = {wseq = 0, cond = 0x564e1f3a1740, mutex = 0x564e1f3a1718, 
private = 0}
        err = <optimized out>
        g = 0
        flags = <optimized out>
        g1_start = <optimized out>
        signals = <optimized out>
        result = 0
        wseq = 0
        seq = 0
#2  __pthread_cond_wait (cond=0x564e1f3a1740, mutex=0x564e1f3a1718) at 
pthread_cond_wait.c:638
#3  0x00007f04d1678f2d in  () at /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
#4  0x00007f04d1611c23 in  () at /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
#5  0x00007f04d1677dd8 in  () at /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
#6  0x00007f051066e609 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139658658875136, 
-5646177059210814431, 140736700586078, 140736700586079, 140736700586080, 
139658658813440, 5741278764798024737, 5741701589855738913}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
        not_first_call = 0
#7  0x00007f05107aa293 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f04d1409700 (LWP 57390)):
#0  0x00007f051079daff in __GI___poll (fds=0x7f04b4000c10, nfds=11, 
timeout=100) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
#1  0x00007f04d1674ccb in  () at /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
#2  0x00007f04d1740c9a in  () at /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
#3  0x00007f04d1677dd8 in  () at /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
#4  0x00007f051066e609 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139658667267840, 
-5646177059210814431, 140736700585998, 140736700585999, 140736700586000, 
139658667206144, 5741277665823267873, 5741701589855738913}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
        not_first_call = 0
#5  0x00007f05107aa293 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f04d3fff700 (LWP 57387)):
#0  0x00007f05107683bf in __GI___clock_nanosleep (clock_id=clock_id@entry=0, 
flags=flags@entry=0, req=0x7f04d3ff0470, rem=0x7f04d3ff0480) at 
../sysdeps/unix/sysv/linux/clock_nanosleep.c:78
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
        r = <optimized out>
#1  0x00007f051076e047 in __GI___nanosleep (requested_time=<optimized out>, 
remaining=<optimized out>) at nanosleep.c:27
        ret = <optimized out>
#2  0x00007f0510428547 in g_usleep () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0510b9b25a in dt_update_cameras_thread (ptr=<optimized out>) at 
/home/ph/darktable/master/src/common/camera_control.c:931
        i = 15
#4  0x00007f051066e609 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139658713364224, 
-5646177059210814431, 140736700592638, 140736700592639, 140736700592784, 
139658713302528, 5741271621730540577, 5741701589855738913}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
        not_first_call = 0
#5  0x00007f05107aa293 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f04e8ff9700 (LWP 57386)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, 
futex_word=0x564e1effbafc) at ../sysdeps/nptl/futex-internal.h:183
        __ret = -512
        oldtype = 1
        err = <optimized out>
        spin = 0
        buffer = {__routine = 0x7f0510675050 <__condvar_cleanup_waiting>, __arg 
= 0x7f04e8fea440, __canceltype = 208, __prev = 0x0}
        cbuffer = {wseq = 871, cond = 0x564e1effbad0, mutex = 0x564e1effba80, 
private = 0}
        err = <optimized out>
        g = 1
        flags = <optimized out>
        g1_start = <optimized out>
        signals = <optimized out>
        result = 0
        wseq = 871
        seq = 435
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x564e1effba80, 
cond=0x564e1effbad0) at pthread_cond_wait.c:508
        spin = 0
        buffer = {__routine = 0x7f0510675050 <__condvar_cleanup_waiting>, __arg 
= 0x7f04e8fea440, __canceltype = 208, __prev = 0x0}
        cbuffer = {wseq = 871, cond = 0x564e1effbad0, mutex = 0x564e1effba80, 
private = 0}
        err = <optimized out>
        g = 1
        flags = <optimized out>
        g1_start = <optimized out>
        signals = <optimized out>
        result = 0
        wseq = 871
        seq = 435
#2  __pthread_cond_wait (cond=0x564e1effbad0, mutex=0x564e1effba80) at 
pthread_cond_wait.c:638
#3  0x00007f0510a1a314 in dt_pthread_cond_wait (mutex=0x564e1effba80, 
cond=0x564e1effbad0) at /home/ph/darktable/master/src/common/dtpthread.h:329
        old = 0
        tmp = 1
        params = <optimized out>
        s = 0x564e1effa2f0
        name = "worker res 2\000\000\000"
        threadid_res = 2
#4  dt_control_work_res (ptr=<optimized out>) at 
/home/ph/darktable/master/src/control/jobs.c:525
        old = 0
        tmp = 1
        params = <optimized out>
        s = 0x564e1effa2f0
        name = "worker res 2\000\000\000"
        threadid_res = 2
#5  0x00007f051066e609 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139659065661184, 
-5646177059210814431, 140736700592590, 140736700592591, 140736700592736, 
139659065599488, 5741366167919369249, 5741701589855738913}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
        not_first_call = 0
#6  0x00007f05107aa293 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f04e97fa700 (LWP 57385)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, 
futex_word=0x564e1effbafc) at ../sysdeps/nptl/futex-internal.h:183
        __ret = -512
        oldtype = 1
        err = <optimized out>
        spin = 0
        buffer = {__routine = 0x7f0510675050 <__condvar_cleanup_waiting>, __arg 
= 0x7f04e97eb440, __canceltype = 208, __prev = 0x0}
        cbuffer = {wseq = 865, cond = 0x564e1effbad0, mutex = 0x564e1effba80, 
private = 0}
        err = <optimized out>
        g = 1
        flags = <optimized out>
        g1_start = <optimized out>
        signals = <optimized out>
        result = 0
        wseq = 865
        seq = 432
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x564e1effba80, 
cond=0x564e1effbad0) at pthread_cond_wait.c:508
        spin = 0
        buffer = {__routine = 0x7f0510675050 <__condvar_cleanup_waiting>, __arg 
= 0x7f04e97eb440, __canceltype = 208, __prev = 0x0}
        cbuffer = {wseq = 865, cond = 0x564e1effbad0, mutex = 0x564e1effba80, 
private = 0}
        err = <optimized out>
        g = 1
        flags = <optimized out>
        g1_start = <optimized out>
        signals = <optimized out>
        result = 0
        wseq = 865
        seq = 432
#2  __pthread_cond_wait (cond=0x564e1effbad0, mutex=0x564e1effba80) at 
pthread_cond_wait.c:638
#3  0x00007f0510a1a314 in dt_pthread_cond_wait (mutex=0x564e1effba80, 
cond=0x564e1effbad0) at /home/ph/darktable/master/src/common/dtpthread.h:329
        old = 0
        tmp = 1
        params = <optimized out>
        s = 0x564e1effa2f0
        name = "worker res 1\000\000\000"
        threadid_res = 1
#4  dt_control_work_res (ptr=<optimized out>) at 
/home/ph/darktable/master/src/control/jobs.c:525
        old = 0
        tmp = 1
        params = <optimized out>
        s = 0x564e1effa2f0
        name = "worker res 1\000\000\000"
        threadid_res = 1
#5  0x00007f051066e609 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139659074053888, 
-5646177059210814431, 140736700592590, 140736700592591, 140736700592736, 
139659073992192, 5741365068944612385, 5741701589855738913}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
        not_first_call = 0
#6  0x00007f05107aa293 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f04e9ffb700 (LWP 57384)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, 
futex_word=0x564e1effbafc) at ../sysdeps/nptl/futex-internal.h:183
        __ret = -512
        oldtype = 1
        err = <optimized out>
        spin = 0
        buffer = {__routine = 0x7f0510675050 <__condvar_cleanup_waiting>, __arg 
= 0x7f04e9fec440, __canceltype = 208, __prev = 0x0}
        cbuffer = {wseq = 877, cond = 0x564e1effbad0, mutex = 0x564e1effba80, 
private = 0}
        err = <optimized out>
        g = 1
        flags = <optimized out>
        g1_start = <optimized out>
        signals = <optimized out>
        result = 0
        wseq = 877
        seq = 438
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x564e1effba80, 
cond=0x564e1effbad0) at pthread_cond_wait.c:508
        spin = 0
        buffer = {__routine = 0x7f0510675050 <__condvar_cleanup_waiting>, __arg 
= 0x7f04e9fec440, __canceltype = 208, __prev = 0x0}
        cbuffer = {wseq = 877, cond = 0x564e1effbad0, mutex = 0x564e1effba80, 
private = 0}
        err = <optimized out>
        g = 1
        flags = <optimized out>
        g1_start = <optimized out>
        signals = <optimized out>
        result = 0
        wseq = 877
        seq = 438
#2  __pthread_cond_wait (cond=0x564e1effbad0, mutex=0x564e1effba80) at 
pthread_cond_wait.c:638
#3  0x00007f0510a1a314 in dt_pthread_cond_wait (mutex=0x564e1effba80, 
cond=0x564e1effbad0) at /home/ph/darktable/master/src/common/dtpthread.h:329
        old = 0
        tmp = 1
        params = <optimized out>
        s = 0x564e1effa2f0
        name = "worker res 0\000\000\000"
        threadid_res = 0
#4  dt_control_work_res (ptr=<optimized out>) at 
/home/ph/darktable/master/src/control/jobs.c:525
        old = 0
        tmp = 1
        params = <optimized out>
        s = 0x564e1effa2f0
        name = "worker res 0\000\000\000"
        threadid_res = 0
#5  0x00007f051066e609 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139659082446592, 
-5646177059210814431, 140736700592590, 140736700592591, 140736700592736, 
139659082384896, 5741363969969855521, 5741701589855738913}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
        not_first_call = 0
#6  0x00007f05107aa293 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f04ea7fc700 (LWP 57383)):
#0  0x00007f05107683bf in __GI___clock_nanosleep (clock_id=clock_id@entry=0, 
flags=flags@entry=0, req=req@entry=0x7f04ea7ed4e0, 
rem=rem@entry=0x7f04ea7ed4e0) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:78
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
        r = <optimized out>
#1  0x00007f051076e047 in __GI___nanosleep 
(requested_time=requested_time@entry=0x7f04ea7ed4e0, 
remaining=remaining@entry=0x7f04ea7ed4e0) at nanosleep.c:27
        ret = <optimized out>
#2  0x00007f051076df7e in __sleep (seconds=0, seconds@entry=2) at 
../sysdeps/posix/sleep.c:55
        save_errno = 0
        ts = {tv_sec = 0, tv_nsec = 241486743}
#3  0x00007f0510a19e72 in dt_control_worker_kicker (ptr=0x564e1effa2f0) at 
/home/ph/darktable/master/src/control/jobs.c:540
        control = 0x564e1effa2f0
#4  0x00007f051066e609 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139659090839296, 
-5646177059210814431, 140736700592590, 140736700592591, 140736700592736, 
139659090777600, 5741362870995098657, 5741701589855738913}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
        not_first_call = 0
#5  0x00007f05107aa293 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f04eaffd700 (LWP 57382)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, 
futex_word=0x564e1effbafc) at ../sysdeps/nptl/futex-internal.h:183
        __ret = -512
        oldtype = 0
        err = <optimized out>
        spin = 0
        buffer = {__routine = 0x7f0510675050 <__condvar_cleanup_waiting>, __arg 
= 0x7f04eafee480, __canceltype = 0, __prev = 0x0}
        cbuffer = {wseq = 863, cond = 0x564e1effbad0, mutex = 0x564e1effba80, 
private = 0}
        err = <optimized out>
        g = 1
        flags = <optimized out>
        g1_start = <optimized out>
        signals = <optimized out>
        result = 0
        wseq = 863
        seq = 431
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x564e1effba80, 
cond=0x564e1effbad0) at pthread_cond_wait.c:508
        spin = 0
        buffer = {__routine = 0x7f0510675050 <__condvar_cleanup_waiting>, __arg 
= 0x7f04eafee480, __canceltype = 0, __prev = 0x0}
        cbuffer = {wseq = 863, cond = 0x564e1effbad0, mutex = 0x564e1effba80, 
private = 0}
        err = <optimized out>
        g = 1
        flags = <optimized out>
        g1_start = <optimized out>
        signals = <optimized out>
        result = 0
        wseq = 863
        seq = 431
#2  __pthread_cond_wait (cond=0x564e1effbad0, mutex=0x564e1effba80) at 
pthread_cond_wait.c:638
#3  0x00007f0510a1af16 in dt_pthread_cond_wait (mutex=0x564e1effba80, 
cond=0x564e1effbad0) at /home/ph/darktable/master/src/common/dtpthread.h:329
        params = <optimized out>
        control = 0x564e1effa2f0
        name = "worker 7\000\000\000\000\000\000\000"
#4  dt_control_work (ptr=<optimized out>) at 
/home/ph/darktable/master/src/control/jobs.c:568
        params = <optimized out>
        control = 0x564e1effa2f0
        name = "worker 7\000\000\000\000\000\000\000"
#5  0x00007f051066e609 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139659099232000, 
-5646177059210814431, 140736700592590, 140736700592591, 140736700592736, 
139659099170304, 5741361772020341793, 5741701589855738913}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
        not_first_call = 0
#6  0x00007f05107aa293 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f04eb7fe700 (LWP 57381)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, 
futex_word=0x564e1effbafc) at ../sysdeps/nptl/futex-internal.h:183
        __ret = -512
        oldtype = 0
        err = <optimized out>
        spin = 0
        buffer = {__routine = 0x7f0510675050 <__condvar_cleanup_waiting>, __arg 
= 0x7f04eb7ef480, __canceltype = 208, __prev = 0x0}
        cbuffer = {wseq = 875, cond = 0x564e1effbad0, mutex = 0x564e1effba80, 
private = 0}
        err = <optimized out>
        g = 1
        flags = <optimized out>
        g1_start = <optimized out>
        signals = <optimized out>
        result = 0
        wseq = 875
        seq = 437
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x564e1effba80, 
cond=0x564e1effbad0) at pthread_cond_wait.c:508
        spin = 0
        buffer = {__routine = 0x7f0510675050 <__condvar_cleanup_waiting>, __arg 
= 0x7f04eb7ef480, __canceltype = 208, __prev = 0x0}
        cbuffer = {wseq = 875, cond = 0x564e1effbad0, mutex = 0x564e1effba80, 
private = 0}
        err = <optimized out>
        g = 1
        flags = <optimized out>
        g1_start = <optimized out>
        signals = <optimized out>
        result = 0
        wseq = 875
        seq = 437
#2  __pthread_cond_wait (cond=0x564e1effbad0, mutex=0x564e1effba80) at 
pthread_cond_wait.c:638
#3  0x00007f0510a1af16 in dt_pthread_cond_wait (mutex=0x564e1effba80, 
cond=0x564e1effbad0) at /home/ph/darktable/master/src/common/dtpthread.h:329
        params = <optimized out>
        control = 0x564e1effa2f0
        name = "worker 6\000\000\000\000\000\000\000"
#4  dt_control_work (ptr=<optimized out>) at 
/home/ph/darktable/master/src/control/jobs.c:568
        params = <optimized out>
        control = 0x564e1effa2f0
        name = "worker 6\000\000\000\000\000\000\000"
#5  0x00007f051066e609 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139659107624704, 
-5646177059210814431, 140736700592590, 140736700592591, 140736700592736, 
139659107563008, 5741360673045584929, 5741701589855738913}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
        not_first_call = 0
#6  0x00007f05107aa293 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f04ebfff700 (LWP 57380)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, 
futex_word=0x564e1effbafc) at ../sysdeps/nptl/futex-internal.h:183
        __ret = -512
        oldtype = 0
        err = <optimized out>
        spin = 0
        buffer = {__routine = 0x7f0510675050 <__condvar_cleanup_waiting>, __arg 
= 0x7f04ebff0480, __canceltype = 0, __prev = 0x0}
        cbuffer = {wseq = 869, cond = 0x564e1effbad0, mutex = 0x564e1effba80, 
private = 0}
        err = <optimized out>
        g = 1
        flags = <optimized out>
        g1_start = <optimized out>
        signals = <optimized out>
        result = 0
        wseq = 869
        seq = 434
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x564e1effba80, 
cond=0x564e1effbad0) at pthread_cond_wait.c:508
        spin = 0
        buffer = {__routine = 0x7f0510675050 <__condvar_cleanup_waiting>, __arg 
= 0x7f04ebff0480, __canceltype = 0, __prev = 0x0}
        cbuffer = {wseq = 869, cond = 0x564e1effbad0, mutex = 0x564e1effba80, 
private = 0}
        err = <optimized out>
        g = 1
        flags = <optimized out>
        g1_start = <optimized out>
        signals = <optimized out>
        result = 0
        wseq = 869
        seq = 434
#2  __pthread_cond_wait (cond=0x564e1effbad0, mutex=0x564e1effba80) at 
pthread_cond_wait.c:638
#3  0x00007f0510a1af16 in dt_pthread_cond_wait (mutex=0x564e1effba80, 
cond=0x564e1effbad0) at /home/ph/darktable/master/src/common/dtpthread.h:329
        params = <optimized out>
        control = 0x564e1effa2f0
        name = "worker 5\000\000\000\000\000\000\000"
#4  dt_control_work (ptr=<optimized out>) at 
/home/ph/darktable/master/src/control/jobs.c:568
        params = <optimized out>
        control = 0x564e1effa2f0
        name = "worker 5\000\000\000\000\000\000\000"
#5  0x00007f051066e609 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139659116017408, 
-5646177059210814431, 140736700592590, 140736700592591, 140736700592736, 
139659115955712, 5741359582660762657, 5741701589855738913}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
        not_first_call = 0
#6  0x00007f05107aa293 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f0500ff9700 (LWP 57379)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, 
futex_word=0x564e1effbafc) at ../sysdeps/nptl/futex-internal.h:183
        __ret = -512
        oldtype = 0
        err = <optimized out>
        spin = 0
        buffer = {__routine = 0x7f0510675050 <__condvar_cleanup_waiting>, __arg 
= 0x7f0500fea480, __canceltype = 0, __prev = 0x0}
        cbuffer = {wseq = 859, cond = 0x564e1effbad0, mutex = 0x564e1effba80, 
private = 0}
        err = <optimized out>
        g = 1
        flags = <optimized out>
        g1_start = <optimized out>
        signals = <optimized out>
        result = 0
        wseq = 859
        seq = 429
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x564e1effba80, 
cond=0x564e1effbad0) at pthread_cond_wait.c:508
        spin = 0
        buffer = {__routine = 0x7f0510675050 <__condvar_cleanup_waiting>, __arg 
= 0x7f0500fea480, __canceltype = 0, __prev = 0x0}
        cbuffer = {wseq = 859, cond = 0x564e1effbad0, mutex = 0x564e1effba80, 
private = 0}
        err = <optimized out>
        g = 1
        flags = <optimized out>
        g1_start = <optimized out>
        signals = <optimized out>
        result = 0
        wseq = 859
        seq = 429
#2  __pthread_cond_wait (cond=0x564e1effbad0, mutex=0x564e1effba80) at 
pthread_cond_wait.c:638
#3  0x00007f0510a1af16 in dt_pthread_cond_wait (mutex=0x564e1effba80, 
cond=0x564e1effbad0) at /home/ph/darktable/master/src/common/dtpthread.h:329
        params = <optimized out>
        control = 0x564e1effa2f0
        name = "worker 4\000\000\000\000\000\000\000"
#4  dt_control_work (ptr=<optimized out>) at 
/home/ph/darktable/master/src/control/jobs.c:568
        params = <optimized out>
        control = 0x564e1effa2f0
        name = "worker 4\000\000\000\000\000\000\000"
#5  0x00007f051066e609 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139659468314368, 
-5646177059210814431, 140736700592590, 140736700592591, 140736700592736, 
139659468252672, 5741735603826301985, 5741701589855738913}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
        not_first_call = 0
#6  0x00007f05107aa293 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f05017fa700 (LWP 57378)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, 
futex_word=0x564e1effbafc) at ../sysdeps/nptl/futex-internal.h:183
        __ret = -512
        oldtype = 0
        err = <optimized out>
        spin = 0
        buffer = {__routine = 0x7f0510675050 <__condvar_cleanup_waiting>, __arg 
= 0x7f05017eb480, __canceltype = 0, __prev = 0x0}
        cbuffer = {wseq = 867, cond = 0x564e1effbad0, mutex = 0x564e1effba80, 
private = 0}
        err = <optimized out>
        g = 1
        flags = <optimized out>
        g1_start = <optimized out>
        signals = <optimized out>
        result = 0
        wseq = 867
        seq = 433
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x564e1effba80, 
cond=0x564e1effbad0) at pthread_cond_wait.c:508
        spin = 0
        buffer = {__routine = 0x7f0510675050 <__condvar_cleanup_waiting>, __arg 
= 0x7f05017eb480, __canceltype = 0, __prev = 0x0}
        cbuffer = {wseq = 867, cond = 0x564e1effbad0, mutex = 0x564e1effba80, 
private = 0}
        err = <optimized out>
        g = 1
        flags = <optimized out>
        g1_start = <optimized out>
        signals = <optimized out>
        result = 0
        wseq = 867
        seq = 433
#2  __pthread_cond_wait (cond=0x564e1effbad0, mutex=0x564e1effba80) at 
pthread_cond_wait.c:638
#3  0x00007f0510a1af16 in dt_pthread_cond_wait (mutex=0x564e1effba80, 
cond=0x564e1effbad0) at /home/ph/darktable/master/src/common/dtpthread.h:329
        params = <optimized out>
        control = 0x564e1effa2f0
        name = "worker 3\000\000\000\000\000\000\000"
#4  dt_control_work (ptr=<optimized out>) at 
/home/ph/darktable/master/src/control/jobs.c:568
        params = <optimized out>
        control = 0x564e1effa2f0
        name = "worker 3\000\000\000\000\000\000\000"
#5  0x00007f051066e609 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139659476707072, 
-5646177059210814431, 140736700592590, 140736700592591, 140736700592736, 
139659476645376, 5741734504851545121, 5741701589855738913}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
        not_first_call = 0
#6  0x00007f05107aa293 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f0501ffb700 (LWP 57377)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, 
futex_word=0x564e1effbafc) at ../sysdeps/nptl/futex-internal.h:183
        __ret = -512
        oldtype = 0
        err = <optimized out>
        spin = 0
        buffer = {__routine = 0x7f0510675050 <__condvar_cleanup_waiting>, __arg 
= 0x7f0501fec480, __canceltype = 0, __prev = 0x0}
        cbuffer = {wseq = 873, cond = 0x564e1effbad0, mutex = 0x564e1effba80, 
private = 0}
        err = <optimized out>
        g = 1
        flags = <optimized out>
        g1_start = <optimized out>
        signals = <optimized out>
        result = 0
        wseq = 873
        seq = 436
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x564e1effba80, 
cond=0x564e1effbad0) at pthread_cond_wait.c:508
        spin = 0
        buffer = {__routine = 0x7f0510675050 <__condvar_cleanup_waiting>, __arg 
= 0x7f0501fec480, __canceltype = 0, __prev = 0x0}
        cbuffer = {wseq = 873, cond = 0x564e1effbad0, mutex = 0x564e1effba80, 
private = 0}
        err = <optimized out>
        g = 1
        flags = <optimized out>
        g1_start = <optimized out>
        signals = <optimized out>
        result = 0
        wseq = 873
        seq = 436
#2  __pthread_cond_wait (cond=0x564e1effbad0, mutex=0x564e1effba80) at 
pthread_cond_wait.c:638
#3  0x00007f0510a1af16 in dt_pthread_cond_wait (mutex=0x564e1effba80, 
cond=0x564e1effbad0) at /home/ph/darktable/master/src/common/dtpthread.h:329
        params = <optimized out>
        control = 0x564e1effa2f0
        name = "worker 2\000\000\000\000\000\000\000"
#4  dt_control_work (ptr=<optimized out>) at 
/home/ph/darktable/master/src/control/jobs.c:568
        params = <optimized out>
        control = 0x564e1effa2f0
        name = "worker 2\000\000\000\000\000\000\000"
#5  0x00007f051066e609 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139659485099776, 
-5646177059210814431, 140736700592590, 140736700592591, 140736700592736, 
139659485038080, 5741733405876788257, 5741701589855738913}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
        not_first_call = 0
#6  0x00007f05107aa293 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f05027fc700 (LWP 57376)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, 
futex_word=0x564e1effbafc) at ../sysdeps/nptl/futex-internal.h:183
        __ret = -512
        oldtype = 0
        err = <optimized out>
        spin = 0
        buffer = {__routine = 0x7f0510675050 <__condvar_cleanup_waiting>, __arg 
= 0x7f05027ed480, __canceltype = 0, __prev = 0x0}
        cbuffer = {wseq = 879, cond = 0x564e1effbad0, mutex = 0x564e1effba80, 
private = 0}
        err = <optimized out>
        g = 1
        flags = <optimized out>
        g1_start = <optimized out>
        signals = <optimized out>
        result = 0
        wseq = 879
        seq = 439
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x564e1effba80, 
cond=0x564e1effbad0) at pthread_cond_wait.c:508
        spin = 0
        buffer = {__routine = 0x7f0510675050 <__condvar_cleanup_waiting>, __arg 
= 0x7f05027ed480, __canceltype = 0, __prev = 0x0}
        cbuffer = {wseq = 879, cond = 0x564e1effbad0, mutex = 0x564e1effba80, 
private = 0}
        err = <optimized out>
        g = 1
        flags = <optimized out>
        g1_start = <optimized out>
        signals = <optimized out>
        result = 0
        wseq = 879
        seq = 439
#2  __pthread_cond_wait (cond=0x564e1effbad0, mutex=0x564e1effba80) at 
pthread_cond_wait.c:638
#3  0x00007f0510a1af16 in dt_pthread_cond_wait (mutex=0x564e1effba80, 
cond=0x564e1effbad0) at /home/ph/darktable/master/src/common/dtpthread.h:329
        params = <optimized out>
        control = 0x564e1effa2f0
        name = "worker 1\000\000\000\000\000\000\000"
#4  dt_control_work (ptr=<optimized out>) at 
/home/ph/darktable/master/src/control/jobs.c:568
        params = <optimized out>
        control = 0x564e1effa2f0
        name = "worker 1\000\000\000\000\000\000\000"
#5  0x00007f051066e609 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139659493492480, 
-5646177059210814431, 140736700592590, 140736700592591, 140736700592736, 
139659493430784, 5741732306902031393, 5741701589855738913}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
        not_first_call = 0
#6  0x00007f05107aa293 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f0502ffd700 (LWP 57375)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, 
futex_word=0x564e1effbafc) at ../sysdeps/nptl/futex-internal.h:183
        __ret = -512
        oldtype = 0
        err = <optimized out>
        spin = 0
        buffer = {__routine = 0x7f0510675050 <__condvar_cleanup_waiting>, __arg 
= 0x7f0502fee480, __canceltype = 208, __prev = 0x0}
        cbuffer = {wseq = 861, cond = 0x564e1effbad0, mutex = 0x564e1effba80, 
private = 0}
        err = <optimized out>
        g = 1
        flags = <optimized out>
        g1_start = <optimized out>
        signals = <optimized out>
        result = 0
        wseq = 861
        seq = 430
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x564e1effba80, 
cond=0x564e1effbad0) at pthread_cond_wait.c:508
        spin = 0
        buffer = {__routine = 0x7f0510675050 <__condvar_cleanup_waiting>, __arg 
= 0x7f0502fee480, __canceltype = 208, __prev = 0x0}
        cbuffer = {wseq = 861, cond = 0x564e1effbad0, mutex = 0x564e1effba80, 
private = 0}
        err = <optimized out>
        g = 1
        flags = <optimized out>
        g1_start = <optimized out>
        signals = <optimized out>
        result = 0
        wseq = 861
        seq = 430
#2  __pthread_cond_wait (cond=0x564e1effbad0, mutex=0x564e1effba80) at 
pthread_cond_wait.c:638
#3  0x00007f0510a1af16 in dt_pthread_cond_wait (mutex=0x564e1effba80, 
cond=0x564e1effbad0) at /home/ph/darktable/master/src/common/dtpthread.h:329
        params = <optimized out>
        control = 0x564e1effa2f0
        name = "worker 0\000\000\000\000\000\000\000"
#4  dt_control_work (ptr=<optimized out>) at 
/home/ph/darktable/master/src/control/jobs.c:568
        params = <optimized out>
        control = 0x564e1effa2f0
        name = "worker 0\000\000\000\000\000\000\000"
#5  0x00007f051066e609 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139659501885184, 
-5646177059210814431, 140736700592590, 140736700592591, 140736700592736, 
139659501823488, 5741731207927274529, 5741701589855738913}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
        not_first_call = 0
#6  0x00007f05107aa293 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f05037fe700 (LWP 57374)):
#0  0x00007f051079daff in __GI___poll (fds=0x564e1efd6120, nfds=3, timeout=-1) 
at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
#1  0x00007f05103fd36e in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f05103fd6f3 in g_main_loop_run () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f050f882f8a in  () at /lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f0510426ad1 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f051066e609 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139659510277888, 
-5646177059210814431, 140736700592350, 140736700592351, 140736700592496, 
139659510216192, 5741730108952517665, 5741701589855738913}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
        not_first_call = 0
#6  0x00007f05107aa293 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f0508fc2700 (LWP 57372)):
#0  0x00007f051079daff in __GI___poll (fds=0x564e1f0001e0, nfds=2, 
timeout=3996) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
#1  0x00007f05103fd36e in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f05103fd4a3 in g_main_context_iteration () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f05103fd4f1 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f0510426ad1 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f051066e609 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139659602306816, 
-5646177059210814431, 140736700591806, 140736700591807, 140736700591952, 
139659602245120, 5741717990702292001, 5741701589855738913}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
        not_first_call = 0
#6  0x00007f05107aa293 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f050959e100 (LWP 57371)):
#0  0x00007f051076ddff in __GI___wait4 (pid=pid@entry=57455, 
stat_loc=stat_loc@entry=0x0, options=options@entry=0, usage=usage@entry=0x0) at 
../sysdeps/unix/sysv/linux/wait4.c:27
        resultvar = 18446744073709551104
        sc_cancel_oldtype = 0
#1  0x00007f051076dd7b in __GI___waitpid (pid=pid@entry=57455, 
stat_loc=stat_loc@entry=0x0, options=options@entry=0) at waitpid.c:38
#2  0x00007f0510a09df0 in _dt_sigsegv_handler (param=11) at 
/home/ph/darktable/master/src/common/system_signal_handling.c:114
        pid = 57455
        name_used = 0x564e234dafb0 "/tmp/darktable_bt_RV5H10.txt"
        fout = <optimized out>
        delete_file = 0
        datadir = "/opt/darktable/share/darktable", '\000' <wiederholt 4065 Mal>
        pid_arg = 0x564e1f043270 "57371"
        comm_arg = 0x564e1f043160 "/opt/darktable/share/darktable/gdb_commands"
        log_arg = 0x564e234f0bc0 "set logging on /tmp/darktable_bt_RV5H10.txt"
#3  0x00007f05106ce210 in <signal handler called> () at 
/lib/x86_64-linux-gnu/libc.so.6
#4  0x00007f05103eb5f4 in g_str_hash () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f05103ea73c in g_hash_table_lookup () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f0510a151d0 in dt_conf_get_var (name=0x0) at 
/home/ph/darktable/master/src/control/conf.c:61
        str = <optimized out>
        str = <optimized out>
        val = <optimized out>
#7  dt_conf_get_bool (name=0x0) at 
/home/ph/darktable/master/src/control/conf.c:291
        str = <optimized out>
        val = <optimized out>
#8  0x00007f0510b675db in dt_gui_preferences_bool_update (widget=0x0) at 
/home/ph/darktable/master/src/gui/preferences.c:1909
        key = <optimized out>
        val = <optimized out>
#9  0x00007f0485693d12 in _apply_preferences (self=0x564e22d77840, 
pref=<optimized out>) at /home/ph/darktable/master/src/libs/import.c:1398
        prefs = 0x564e21690360 = {0x0}
        d = 0x564e22d7c180
#10 set_params (self=0x564e22d77840, params=<optimized out>, size=<optimized 
out>) at /home/ph/darktable/master/src/libs/import.c:1421
#11 0x00007f0510b77e6f in dt_lib_presets_apply (preset=0x564e234f0800 
"Farbnegativ", module_name=0x564e22f15a40 "import", module_version=1) at 
/home/ph/darktable/master/src/libs/lib.c:512
        tx = 0x564e234e2c70 "\240\304z#NV"
        module = 0x564e22d77840
        it = <optimized out>
        blob = 0x564e234dfda8
        length = 461
        writeprotect = 0
        ret = 1
        stmt = 0x564e22d28408
        __FUNCTION__ = "dt_lib_presets_apply"
        res = 0
#12 0x00007f050f718802 in g_closure_invoke () at 
/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#13 0x00007f050f72c814 in  () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#14 0x00007f050f737bbe in g_signal_emit_valist () at 
/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#15 0x00007f050f7380f3 in g_signal_emit () at 
/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#16 0x00007f050ff8cab2 in gtk_widget_activate () at 
/lib/x86_64-linux-gnu/libgtk-3.so.0
#17 0x00007f050fe5aa36 in gtk_menu_shell_activate_item () at 
/lib/x86_64-linux-gnu/libgtk-3.so.0
#18 0x00007f050fe5acc3 in  () at /lib/x86_64-linux-gnu/libgtk-3.so.0
#19 0x00007f050ffdf5ef in  () at /lib/x86_64-linux-gnu/libgtk-3.so.0
#20 0x00007f050f718a56 in  () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#21 0x00007f050f736df1 in g_signal_emit_valist () at 
/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#22 0x00007f050f7380f3 in g_signal_emit () at 
/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#23 0x00007f050ff89c23 in  () at /lib/x86_64-linux-gnu/libgtk-3.so.0
#24 0x00007f050fe45128 in  () at /lib/x86_64-linux-gnu/libgtk-3.so.0
#25 0x00007f050fe473db in gtk_main_do_event () at 
/lib/x86_64-linux-gnu/libgtk-3.so.0
#26 0x00007f050fb2ff79 in  () at /lib/x86_64-linux-gnu/libgdk-3.so.0
#27 0x00007f050fb63106 in  () at /lib/x86_64-linux-gnu/libgdk-3.so.0
#28 0x00007f05103fd17d in g_main_context_dispatch () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007f05103fd400 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007f05103fd6f3 in g_main_loop_run () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007f050fe4637d in gtk_main () at /lib/x86_64-linux-gnu/libgtk-3.so.0
#32 0x00007f0510b378fd in dt_gui_gtk_run (gui=<optimized out>) at 
/home/ph/darktable/master/src/gui/gtk.c:1558
        widget = <optimized out>
        allocation = {x = 0, y = 0, width = 568, height = 468}
#33 0x0000564e1e6a50d6 in main (argc=<optimized out>, argv=<optimized out>) at 
/home/ph/darktable/master/src/main.c:93
[Inferior 1 (process 57371) detached]

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