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[Bug 1833657] [NEW] GIMP crashes while changing theme

 

Public bug reported:

GIMP 2.10.12 crashes while changing the theme, whenever any theme (other
than the default dark theme) is clicked.

I am using the ppa https://launchpad.net/~otto-
kesselgulasch/+archive/ubuntu/gimp

Operating system: Ubuntu 18.04
User interface: KDE Plasma

This is the crash report

```
GNU Image Manipulation Program version 2.10.12
git-describe: GIMP_2_10_10-209-g3d8535b55f
C compiler:
 Using built-in specs.
 COLLECT_GCC=gcc
 COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/7/lto-wrapper
 OFFLOAD_TARGET_NAMES=nvptx-none
 OFFLOAD_TARGET_DEFAULT=1
 Target: x86_64-linux-gnu
 Configured with: ../src/configure -v --with-pkgversion='Ubuntu 7.4.0-1ubuntu1~18.04.1' --with-bugurl=file:///usr/share/doc/gcc-7/README.Bugs --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++ --prefix=/usr --with-gcc-major-version-only --program-suffix=-7 --program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-libmpx --enable-plugin --enable-default-pie --with-system-zlib --with-target-system-zlib --enable-objc-gc=auto --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-offload-targets=nvptx-none --without-cuda-driver --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
 Thread model: posix
 gcc version 7.4.0 (Ubuntu 7.4.0-1ubuntu1~18.04.1)

using GEGL version 0.4.16 (compiled against version 0.4.16)
using GLib version 2.56.4 (compiled against version 2.56.4)
using GdkPixbuf version 2.36.11 (compiled against version 2.36.11)
using GTK+ version 2.24.32 (compiled against version 2.24.32)
using Pango version 1.40.14 (compiled against version 1.40.14)
using Fontconfig version 2.12.6 (compiled against version 2.12.6)
using Cairo version 1.15.10 (compiled against version 1.15.10)

```
> fatal error: Segmentation fault

Stack trace:
```

# Stack traces obtained from PID 14288 - Thread 14288 #

[New LWP 14291]
[New LWP 14292]
[New LWP 14293]
[New LWP 14297]
[New LWP 14298]
[New LWP 14302]
[New LWP 14304]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007fa89b456384 in __libc_read (fd=16, buf=0x7ffd9a9804d0, nbytes=256) at ../sysdeps/unix/sysv/linux/read.c:27
  Id   Target Id         Frame
* 1    Thread 0x7fa8a027de00 (LWP 14288) "gimp-2.10" 0x00007fa89b456384 in __libc_read (fd=16, buf=0x7ffd9a9804d0, nbytes=256) at ../sysdeps/unix/sysv/linux/read.c:27
  2    Thread 0x7fa8924a4700 (LWP 14291) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  3    Thread 0x7fa891ca3700 (LWP 14292) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  4    Thread 0x7fa88bfff700 (LWP 14293) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  5    Thread 0x7fa87affd700 (LWP 14297) "gmain" 0x00007fa89b168bf9 in __GI___poll (fds=0x55df0c9153e0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
  6    Thread 0x7fa87b7fe700 (LWP 14298) "gdbus" 0x00007fa89b168bf9 in __GI___poll (fds=0x55df0c97a210, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
  7    Thread 0x7fa85865d700 (LWP 14302) "async" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  8    Thread 0x7fa856e2a700 (LWP 14304) "dconf worker" 0x00007fa89b168bf9 in __GI___poll (fds=0x55df0cbda740, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29

Thread 8 (Thread 0x7fa856e2a700 (LWP 14304)):
#0  0x00007fa89b168bf9 in __GI___poll (fds=0x55df0cbda740, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
#1  0x00007fa89bc524c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa89bc525dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa856e3236d in  () at /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
#4  0x00007fa89bc79f15 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fa89b44c6db in start_thread (arg=0x7fa856e2a700) at pthread_create.c:463
        pd = 0x7fa856e2a700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140360988927744, -6954423414469319063, 140360988924160, 0, 94416479291472, 140727197113696, 6929985416789861993, 6930435411472918121}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#6  0x00007fa89b17588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fa85865d700 (LWP 14302)):
#0  0x00007fa89b16f839 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fa89bc984af in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x000055df0bd64f0c in  ()
#3  0x00007fa89bc79f15 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa89b44c6db in start_thread (arg=0x7fa85865d700) at pthread_create.c:463
        pd = 0x7fa85865d700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140361014302464, -6954423414469319063, 140361014298880, 0, 94416478431792, 140727197117552, 6930015132057970281, 6930435411472918121}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#5  0x00007fa89b17588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fa87b7fe700 (LWP 14298)):
#0  0x00007fa89b168bf9 in __GI___poll (fds=0x55df0c97a210, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
#1  0x00007fa89bc524c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa89bc52862 in g_main_loop_run () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa89cdc6026 in  () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007fa89bc79f15 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fa89b44c6db in start_thread (arg=0x7fa87b7fe700) at pthread_create.c:463
        pd = 0x7fa87b7fe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140361603213056, -6954423414469319063, 140361603209472, 0, 94416476882320, 140727197117632, 6929942787091965545, 6930435411472918121}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#6  0x00007fa89b17588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fa87affd700 (LWP 14297)):
#0  0x00007fa89b168bf9 in __GI___poll (fds=0x55df0c9153e0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
#1  0x00007fa89bc524c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa89bc525dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa89bc52621 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa89bc79f15 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fa89b44c6db in start_thread (arg=0x7fa87affd700) at pthread_create.c:463
        pd = 0x7fa87affd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140361594820352, -6954423414469319063, 140361594816768, 0, 94416476882160, 140727197117248, 6929941688117208681, 6930435411472918121}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#6  0x00007fa89b17588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fa88bfff700 (LWP 14293)):
#0  0x00007fa89b16f839 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fa89bc984af in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa89d2bcc63 in  () at /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0
#3  0x00007fa89bc79f15 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa89b44c6db in start_thread (arg=0x7fa88bfff700) at pthread_create.c:463
        pd = 0x7fa88bfff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140361880041216, -6954423414469319063, 140361880037632, 0, 94416476882080, 140727197117552, 6930471653795538537, 6930435411472918121}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#5  0x00007fa89b17588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fa891ca3700 (LWP 14292)):
#0  0x00007fa89b16f839 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fa89bc984af in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa89d2bcc63 in  () at /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0
#3  0x00007fa89bc79f15 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa89b44c6db in start_thread (arg=0x7fa891ca3700) at pthread_create.c:463
        pd = 0x7fa891ca3700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140361977181952, -6954423414469319063, 140361977178368, 0, 94416476882000, 140727197117552, 6930423363330745961, 6930435411472918121}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#5  0x00007fa89b17588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fa8924a4700 (LWP 14291)):
#0  0x00007fa89b16f839 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fa89bc984af in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa89d2bcc63 in  () at /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0
#3  0x00007fa89bc79f15 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa89b44c6db in start_thread (arg=0x7fa8924a4700) at pthread_create.c:463
        pd = 0x7fa8924a4700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140361985574656, -6954423414469319063, 140361985571072, 0, 94416476881920, 140727197117552, 6930415666212480617, 6930435411472918121}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#5  0x00007fa89b17588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fa8a027de00 (LWP 14288)):
#0  0x00007fa89b456384 in __libc_read (fd=16, buf=0x7ffd9a9804d0, nbytes=256) at ../sysdeps/unix/sysv/linux/read.c:27
        resultvar = 18446744073709551104
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
        sc_ret = <optimized out>
        nbytes = 256
        fd = 16
        buf = 0x7ffd9a9804d0
#1  0x00007fa89e8b5e40 in gimp_stack_trace_print () at /usr/lib/libgimpbase-2.0.so.0
#2  0x000055df0ba98f64 in  ()
#3  0x000055df0ba99568 in  ()
#4  0x000055df0ba99c77 in  ()
#5  0x00007fa89b457890 in <signal handler called> () at /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fa857042b70 in  ()
#7  0x00007fa89bf2c10d in g_closure_invoke () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#8  0x00007fa89bf3efce in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#9  0x00007fa89bf47685 in g_signal_emit_valist () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#10 0x00007fa89bf4809f in g_signal_emit () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#11 0x00007fa89bf305c4 in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#12 0x00007fa89bf2ff6e in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#13 0x00007fa89bf32bcb in g_object_thaw_notify () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#14 0x00007fa89fa110ba in  () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#15 0x00007fa89fa12348 in  () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#16 0x00007fa89f905585 in  () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#17 0x00007fa89f846c85 in  () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#18 0x00007fa89f939e97 in  () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#19 0x00007fa89bf2c10d in g_closure_invoke () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#20 0x00007fa89bf3efce in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#21 0x00007fa89bf47685 in g_signal_emit_valist () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#22 0x00007fa89bf4809f in g_signal_emit () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#23 0x00007fa89bf305c4 in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#24 0x00007fa89bf2ff6e in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#25 0x00007fa89bf32bcb in g_object_thaw_notify () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#26 0x00007fa89f960010 in  () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#27 0x00007fa89f93fa61 in gtk_rc_reparse_all_for_settings () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#28 0x00007fa89f93fdae in gtk_rc_reparse_all () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#29 0x000055df0baa1008 in  ()
#30 0x00007fa89bf2c10d in g_closure_invoke () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#31 0x00007fa89bf3efce in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#32 0x00007fa89bf47685 in g_signal_emit_valist () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#33 0x00007fa89bf4809f in g_signal_emit () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#34 0x00007fa89bf305c4 in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#35 0x00007fa89bf2ff6e in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#36 0x00007fa89bf33a9e in g_object_setv () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#37 0x00007fa89bf34b3e in g_object_set_property () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#38 0x000055df0bae6bdb in  ()
#39 0x00007fa89bf2c10d in g_closure_invoke () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#40 0x00007fa89bf3efce in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#41 0x00007fa89bf47685 in g_signal_emit_valist () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#42 0x00007fa89bf4809f in g_signal_emit () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#43 0x00007fa89f9edb0f in  () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#44 0x00007fa89f9f2330 in  () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#45 0x00007fa89f8f538b in  () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#46 0x00007fa89bf2c10d in g_closure_invoke () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#47 0x00007fa89bf3ed58 in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#48 0x00007fa89bf4701f in g_signal_emit_valist () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#49 0x00007fa89bf4809f in g_signal_emit () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#50 0x00007fa89fa0b2bc in  () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#51 0x00007fa89f8f362c in gtk_propagate_event () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#52 0x00007fa89f8f3a2b in gtk_main_do_event () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#53 0x00007fa89f56902c in  () at /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
#54 0x00007fa89bc52317 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#55 0x00007fa89bc52550 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#56 0x00007fa89bc52862 in g_main_loop_run () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#57 0x000055df0ba98920 in app_run ()
#58 0x000055df0ba981ec in main ()

```

** Affects: gimp (Ubuntu)
     Importance: Undecided
         Status: New

** Description changed:

- GIMP 2.10.12 crashes while changing theme, whenever any theme (other
+ GIMP 2.10.12 crashes while changing the theme, whenever any theme (other
  than the default dark theme) is clicked.
+ 
+ I am using the ppa https://launchpad.net/~otto-
+ kesselgulasch/+archive/ubuntu/gimp
  
  Operating system: Ubuntu 18.04
  User interface: KDE Plasma
  
  This is the crash report
  
  ```
  GNU Image Manipulation Program version 2.10.12
  git-describe: GIMP_2_10_10-209-g3d8535b55f
  C compiler:
- 	Using built-in specs.
- 	COLLECT_GCC=gcc
- 	COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/7/lto-wrapper
- 	OFFLOAD_TARGET_NAMES=nvptx-none
- 	OFFLOAD_TARGET_DEFAULT=1
- 	Target: x86_64-linux-gnu
- 	Configured with: ../src/configure -v --with-pkgversion='Ubuntu 7.4.0-1ubuntu1~18.04.1' --with-bugurl=file:///usr/share/doc/gcc-7/README.Bugs --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++ --prefix=/usr --with-gcc-major-version-only --program-suffix=-7 --program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-libmpx --enable-plugin --enable-default-pie --with-system-zlib --with-target-system-zlib --enable-objc-gc=auto --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-offload-targets=nvptx-none --without-cuda-driver --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
- 	Thread model: posix
- 	gcc version 7.4.0 (Ubuntu 7.4.0-1ubuntu1~18.04.1) 
+  Using built-in specs.
+  COLLECT_GCC=gcc
+  COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/7/lto-wrapper
+  OFFLOAD_TARGET_NAMES=nvptx-none
+  OFFLOAD_TARGET_DEFAULT=1
+  Target: x86_64-linux-gnu
+  Configured with: ../src/configure -v --with-pkgversion='Ubuntu 7.4.0-1ubuntu1~18.04.1' --with-bugurl=file:///usr/share/doc/gcc-7/README.Bugs --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++ --prefix=/usr --with-gcc-major-version-only --program-suffix=-7 --program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-libmpx --enable-plugin --enable-default-pie --with-system-zlib --with-target-system-zlib --enable-objc-gc=auto --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-offload-targets=nvptx-none --without-cuda-driver --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
+  Thread model: posix
+  gcc version 7.4.0 (Ubuntu 7.4.0-1ubuntu1~18.04.1)
  
  using GEGL version 0.4.16 (compiled against version 0.4.16)
  using GLib version 2.56.4 (compiled against version 2.56.4)
  using GdkPixbuf version 2.36.11 (compiled against version 2.36.11)
  using GTK+ version 2.24.32 (compiled against version 2.24.32)
  using Pango version 1.40.14 (compiled against version 1.40.14)
  using Fontconfig version 2.12.6 (compiled against version 2.12.6)
  using Cairo version 1.15.10 (compiled against version 1.15.10)
  
  ```
  > fatal error: Segmentation fault
  
  Stack trace:
  ```
  
  # Stack traces obtained from PID 14288 - Thread 14288 #
  
  [New LWP 14291]
  [New LWP 14292]
  [New LWP 14293]
  [New LWP 14297]
  [New LWP 14298]
  [New LWP 14302]
  [New LWP 14304]
  [Thread debugging using libthread_db enabled]
  Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
  0x00007fa89b456384 in __libc_read (fd=16, buf=0x7ffd9a9804d0, nbytes=256) at ../sysdeps/unix/sysv/linux/read.c:27
-   Id   Target Id         Frame 
+   Id   Target Id         Frame
  * 1    Thread 0x7fa8a027de00 (LWP 14288) "gimp-2.10" 0x00007fa89b456384 in __libc_read (fd=16, buf=0x7ffd9a9804d0, nbytes=256) at ../sysdeps/unix/sysv/linux/read.c:27
-   2    Thread 0x7fa8924a4700 (LWP 14291) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
-   3    Thread 0x7fa891ca3700 (LWP 14292) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
-   4    Thread 0x7fa88bfff700 (LWP 14293) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
-   5    Thread 0x7fa87affd700 (LWP 14297) "gmain" 0x00007fa89b168bf9 in __GI___poll (fds=0x55df0c9153e0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
-   6    Thread 0x7fa87b7fe700 (LWP 14298) "gdbus" 0x00007fa89b168bf9 in __GI___poll (fds=0x55df0c97a210, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
-   7    Thread 0x7fa85865d700 (LWP 14302) "async" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
-   8    Thread 0x7fa856e2a700 (LWP 14304) "dconf worker" 0x00007fa89b168bf9 in __GI___poll (fds=0x55df0cbda740, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
+   2    Thread 0x7fa8924a4700 (LWP 14291) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
+   3    Thread 0x7fa891ca3700 (LWP 14292) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
+   4    Thread 0x7fa88bfff700 (LWP 14293) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
+   5    Thread 0x7fa87affd700 (LWP 14297) "gmain" 0x00007fa89b168bf9 in __GI___poll (fds=0x55df0c9153e0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
+   6    Thread 0x7fa87b7fe700 (LWP 14298) "gdbus" 0x00007fa89b168bf9 in __GI___poll (fds=0x55df0c97a210, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
+   7    Thread 0x7fa85865d700 (LWP 14302) "async" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
+   8    Thread 0x7fa856e2a700 (LWP 14304) "dconf worker" 0x00007fa89b168bf9 in __GI___poll (fds=0x55df0cbda740, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
  
  Thread 8 (Thread 0x7fa856e2a700 (LWP 14304)):
  #0  0x00007fa89b168bf9 in __GI___poll (fds=0x55df0cbda740, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
-         resultvar = 18446744073709551100
-         sc_cancel_oldtype = 0
+         resultvar = 18446744073709551100
+         sc_cancel_oldtype = 0
  #1  0x00007fa89bc524c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007fa89bc525dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #3  0x00007fa856e3236d in  () at /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
  #4  0x00007fa89bc79f15 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #5  0x00007fa89b44c6db in start_thread (arg=0x7fa856e2a700) at pthread_create.c:463
-         pd = 0x7fa856e2a700
-         now = <optimized out>
-         unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140360988927744, -6954423414469319063, 140360988924160, 0, 94416479291472, 140727197113696, 6929985416789861993, 6930435411472918121}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
-         not_first_call = <optimized out>
+         pd = 0x7fa856e2a700
+         now = <optimized out>
+         unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140360988927744, -6954423414469319063, 140360988924160, 0, 94416479291472, 140727197113696, 6929985416789861993, 6930435411472918121}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
+         not_first_call = <optimized out>
  #6  0x00007fa89b17588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 7 (Thread 0x7fa85865d700 (LWP 14302)):
  #0  0x00007fa89b16f839 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007fa89bc984af in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x000055df0bd64f0c in  ()
  #3  0x00007fa89bc79f15 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007fa89b44c6db in start_thread (arg=0x7fa85865d700) at pthread_create.c:463
-         pd = 0x7fa85865d700
-         now = <optimized out>
-         unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140361014302464, -6954423414469319063, 140361014298880, 0, 94416478431792, 140727197117552, 6930015132057970281, 6930435411472918121}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
-         not_first_call = <optimized out>
+         pd = 0x7fa85865d700
+         now = <optimized out>
+         unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140361014302464, -6954423414469319063, 140361014298880, 0, 94416478431792, 140727197117552, 6930015132057970281, 6930435411472918121}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
+         not_first_call = <optimized out>
  #5  0x00007fa89b17588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 6 (Thread 0x7fa87b7fe700 (LWP 14298)):
  #0  0x00007fa89b168bf9 in __GI___poll (fds=0x55df0c97a210, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
-         resultvar = 18446744073709551100
-         sc_cancel_oldtype = 0
+         resultvar = 18446744073709551100
+         sc_cancel_oldtype = 0
  #1  0x00007fa89bc524c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007fa89bc52862 in g_main_loop_run () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #3  0x00007fa89cdc6026 in  () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
  #4  0x00007fa89bc79f15 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #5  0x00007fa89b44c6db in start_thread (arg=0x7fa87b7fe700) at pthread_create.c:463
-         pd = 0x7fa87b7fe700
-         now = <optimized out>
-         unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140361603213056, -6954423414469319063, 140361603209472, 0, 94416476882320, 140727197117632, 6929942787091965545, 6930435411472918121}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
-         not_first_call = <optimized out>
+         pd = 0x7fa87b7fe700
+         now = <optimized out>
+         unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140361603213056, -6954423414469319063, 140361603209472, 0, 94416476882320, 140727197117632, 6929942787091965545, 6930435411472918121}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
+         not_first_call = <optimized out>
  #6  0x00007fa89b17588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 5 (Thread 0x7fa87affd700 (LWP 14297)):
  #0  0x00007fa89b168bf9 in __GI___poll (fds=0x55df0c9153e0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
-         resultvar = 18446744073709551100
-         sc_cancel_oldtype = 0
+         resultvar = 18446744073709551100
+         sc_cancel_oldtype = 0
  #1  0x00007fa89bc524c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007fa89bc525dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #3  0x00007fa89bc52621 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007fa89bc79f15 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #5  0x00007fa89b44c6db in start_thread (arg=0x7fa87affd700) at pthread_create.c:463
-         pd = 0x7fa87affd700
-         now = <optimized out>
-         unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140361594820352, -6954423414469319063, 140361594816768, 0, 94416476882160, 140727197117248, 6929941688117208681, 6930435411472918121}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
-         not_first_call = <optimized out>
+         pd = 0x7fa87affd700
+         now = <optimized out>
+         unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140361594820352, -6954423414469319063, 140361594816768, 0, 94416476882160, 140727197117248, 6929941688117208681, 6930435411472918121}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
+         not_first_call = <optimized out>
  #6  0x00007fa89b17588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 4 (Thread 0x7fa88bfff700 (LWP 14293)):
  #0  0x00007fa89b16f839 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007fa89bc984af in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007fa89d2bcc63 in  () at /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0
  #3  0x00007fa89bc79f15 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007fa89b44c6db in start_thread (arg=0x7fa88bfff700) at pthread_create.c:463
-         pd = 0x7fa88bfff700
-         now = <optimized out>
-         unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140361880041216, -6954423414469319063, 140361880037632, 0, 94416476882080, 140727197117552, 6930471653795538537, 6930435411472918121}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
-         not_first_call = <optimized out>
+         pd = 0x7fa88bfff700
+         now = <optimized out>
+         unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140361880041216, -6954423414469319063, 140361880037632, 0, 94416476882080, 140727197117552, 6930471653795538537, 6930435411472918121}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
+         not_first_call = <optimized out>
  #5  0x00007fa89b17588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 3 (Thread 0x7fa891ca3700 (LWP 14292)):
  #0  0x00007fa89b16f839 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007fa89bc984af in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007fa89d2bcc63 in  () at /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0
  #3  0x00007fa89bc79f15 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007fa89b44c6db in start_thread (arg=0x7fa891ca3700) at pthread_create.c:463
-         pd = 0x7fa891ca3700
-         now = <optimized out>
-         unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140361977181952, -6954423414469319063, 140361977178368, 0, 94416476882000, 140727197117552, 6930423363330745961, 6930435411472918121}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
-         not_first_call = <optimized out>
+         pd = 0x7fa891ca3700
+         now = <optimized out>
+         unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140361977181952, -6954423414469319063, 140361977178368, 0, 94416476882000, 140727197117552, 6930423363330745961, 6930435411472918121}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
+         not_first_call = <optimized out>
  #5  0x00007fa89b17588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 2 (Thread 0x7fa8924a4700 (LWP 14291)):
  #0  0x00007fa89b16f839 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007fa89bc984af in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007fa89d2bcc63 in  () at /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0
  #3  0x00007fa89bc79f15 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007fa89b44c6db in start_thread (arg=0x7fa8924a4700) at pthread_create.c:463
-         pd = 0x7fa8924a4700
-         now = <optimized out>
-         unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140361985574656, -6954423414469319063, 140361985571072, 0, 94416476881920, 140727197117552, 6930415666212480617, 6930435411472918121}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
-         not_first_call = <optimized out>
+         pd = 0x7fa8924a4700
+         now = <optimized out>
+         unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140361985574656, -6954423414469319063, 140361985571072, 0, 94416476881920, 140727197117552, 6930415666212480617, 6930435411472918121}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
+         not_first_call = <optimized out>
  #5  0x00007fa89b17588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 1 (Thread 0x7fa8a027de00 (LWP 14288)):
  #0  0x00007fa89b456384 in __libc_read (fd=16, buf=0x7ffd9a9804d0, nbytes=256) at ../sysdeps/unix/sysv/linux/read.c:27
-         resultvar = 18446744073709551104
-         sc_cancel_oldtype = 0
-         sc_ret = <optimized out>
-         sc_ret = <optimized out>
-         nbytes = 256
-         fd = 16
-         buf = 0x7ffd9a9804d0
+         resultvar = 18446744073709551104
+         sc_cancel_oldtype = 0
+         sc_ret = <optimized out>
+         sc_ret = <optimized out>
+         nbytes = 256
+         fd = 16
+         buf = 0x7ffd9a9804d0
  #1  0x00007fa89e8b5e40 in gimp_stack_trace_print () at /usr/lib/libgimpbase-2.0.so.0
  #2  0x000055df0ba98f64 in  ()
  #3  0x000055df0ba99568 in  ()
  #4  0x000055df0ba99c77 in  ()
  #5  0x00007fa89b457890 in <signal handler called> () at /lib/x86_64-linux-gnu/libpthread.so.0
  #6  0x00007fa857042b70 in  ()
  #7  0x00007fa89bf2c10d in g_closure_invoke () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #8  0x00007fa89bf3efce in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #9  0x00007fa89bf47685 in g_signal_emit_valist () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #10 0x00007fa89bf4809f in g_signal_emit () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #11 0x00007fa89bf305c4 in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #12 0x00007fa89bf2ff6e in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #13 0x00007fa89bf32bcb in g_object_thaw_notify () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #14 0x00007fa89fa110ba in  () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
  #15 0x00007fa89fa12348 in  () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
  #16 0x00007fa89f905585 in  () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
  #17 0x00007fa89f846c85 in  () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
  #18 0x00007fa89f939e97 in  () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
  #19 0x00007fa89bf2c10d in g_closure_invoke () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #20 0x00007fa89bf3efce in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #21 0x00007fa89bf47685 in g_signal_emit_valist () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #22 0x00007fa89bf4809f in g_signal_emit () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #23 0x00007fa89bf305c4 in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #24 0x00007fa89bf2ff6e in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #25 0x00007fa89bf32bcb in g_object_thaw_notify () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #26 0x00007fa89f960010 in  () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
  #27 0x00007fa89f93fa61 in gtk_rc_reparse_all_for_settings () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
  #28 0x00007fa89f93fdae in gtk_rc_reparse_all () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
  #29 0x000055df0baa1008 in  ()
  #30 0x00007fa89bf2c10d in g_closure_invoke () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #31 0x00007fa89bf3efce in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #32 0x00007fa89bf47685 in g_signal_emit_valist () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #33 0x00007fa89bf4809f in g_signal_emit () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #34 0x00007fa89bf305c4 in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #35 0x00007fa89bf2ff6e in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #36 0x00007fa89bf33a9e in g_object_setv () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #37 0x00007fa89bf34b3e in g_object_set_property () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #38 0x000055df0bae6bdb in  ()
  #39 0x00007fa89bf2c10d in g_closure_invoke () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #40 0x00007fa89bf3efce in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #41 0x00007fa89bf47685 in g_signal_emit_valist () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #42 0x00007fa89bf4809f in g_signal_emit () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #43 0x00007fa89f9edb0f in  () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
  #44 0x00007fa89f9f2330 in  () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
  #45 0x00007fa89f8f538b in  () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
  #46 0x00007fa89bf2c10d in g_closure_invoke () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #47 0x00007fa89bf3ed58 in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #48 0x00007fa89bf4701f in g_signal_emit_valist () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #49 0x00007fa89bf4809f in g_signal_emit () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #50 0x00007fa89fa0b2bc in  () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
  #51 0x00007fa89f8f362c in gtk_propagate_event () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
  #52 0x00007fa89f8f3a2b in gtk_main_do_event () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
  #53 0x00007fa89f56902c in  () at /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
  #54 0x00007fa89bc52317 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #55 0x00007fa89bc52550 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #56 0x00007fa89bc52862 in g_main_loop_run () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #57 0x000055df0ba98920 in app_run ()
  #58 0x000055df0ba981ec in main ()
  
  ```

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https://bugs.launchpad.net/bugs/1833657

Title:
  GIMP crashes while changing theme

Status in gimp package in Ubuntu:
  New

Bug description:
  GIMP 2.10.12 crashes while changing the theme, whenever any theme
  (other than the default dark theme) is clicked.

  I am using the ppa https://launchpad.net/~otto-
  kesselgulasch/+archive/ubuntu/gimp

  Operating system: Ubuntu 18.04
  User interface: KDE Plasma

  This is the crash report

  ```
  GNU Image Manipulation Program version 2.10.12
  git-describe: GIMP_2_10_10-209-g3d8535b55f
  C compiler:
   Using built-in specs.
   COLLECT_GCC=gcc
   COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/7/lto-wrapper
   OFFLOAD_TARGET_NAMES=nvptx-none
   OFFLOAD_TARGET_DEFAULT=1
   Target: x86_64-linux-gnu
   Configured with: ../src/configure -v --with-pkgversion='Ubuntu 7.4.0-1ubuntu1~18.04.1' --with-bugurl=file:///usr/share/doc/gcc-7/README.Bugs --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++ --prefix=/usr --with-gcc-major-version-only --program-suffix=-7 --program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-libmpx --enable-plugin --enable-default-pie --with-system-zlib --with-target-system-zlib --enable-objc-gc=auto --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-offload-targets=nvptx-none --without-cuda-driver --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
   Thread model: posix
   gcc version 7.4.0 (Ubuntu 7.4.0-1ubuntu1~18.04.1)

  using GEGL version 0.4.16 (compiled against version 0.4.16)
  using GLib version 2.56.4 (compiled against version 2.56.4)
  using GdkPixbuf version 2.36.11 (compiled against version 2.36.11)
  using GTK+ version 2.24.32 (compiled against version 2.24.32)
  using Pango version 1.40.14 (compiled against version 1.40.14)
  using Fontconfig version 2.12.6 (compiled against version 2.12.6)
  using Cairo version 1.15.10 (compiled against version 1.15.10)

  ```
  > fatal error: Segmentation fault

  Stack trace:
  ```

  # Stack traces obtained from PID 14288 - Thread 14288 #

  [New LWP 14291]
  [New LWP 14292]
  [New LWP 14293]
  [New LWP 14297]
  [New LWP 14298]
  [New LWP 14302]
  [New LWP 14304]
  [Thread debugging using libthread_db enabled]
  Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
  0x00007fa89b456384 in __libc_read (fd=16, buf=0x7ffd9a9804d0, nbytes=256) at ../sysdeps/unix/sysv/linux/read.c:27
    Id   Target Id         Frame
  * 1    Thread 0x7fa8a027de00 (LWP 14288) "gimp-2.10" 0x00007fa89b456384 in __libc_read (fd=16, buf=0x7ffd9a9804d0, nbytes=256) at ../sysdeps/unix/sysv/linux/read.c:27
    2    Thread 0x7fa8924a4700 (LWP 14291) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    3    Thread 0x7fa891ca3700 (LWP 14292) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    4    Thread 0x7fa88bfff700 (LWP 14293) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    5    Thread 0x7fa87affd700 (LWP 14297) "gmain" 0x00007fa89b168bf9 in __GI___poll (fds=0x55df0c9153e0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
    6    Thread 0x7fa87b7fe700 (LWP 14298) "gdbus" 0x00007fa89b168bf9 in __GI___poll (fds=0x55df0c97a210, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
    7    Thread 0x7fa85865d700 (LWP 14302) "async" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    8    Thread 0x7fa856e2a700 (LWP 14304) "dconf worker" 0x00007fa89b168bf9 in __GI___poll (fds=0x55df0cbda740, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29

  Thread 8 (Thread 0x7fa856e2a700 (LWP 14304)):
  #0  0x00007fa89b168bf9 in __GI___poll (fds=0x55df0cbda740, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
          resultvar = 18446744073709551100
          sc_cancel_oldtype = 0
  #1  0x00007fa89bc524c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007fa89bc525dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #3  0x00007fa856e3236d in  () at /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
  #4  0x00007fa89bc79f15 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #5  0x00007fa89b44c6db in start_thread (arg=0x7fa856e2a700) at pthread_create.c:463
          pd = 0x7fa856e2a700
          now = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140360988927744, -6954423414469319063, 140360988924160, 0, 94416479291472, 140727197113696, 6929985416789861993, 6930435411472918121}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = <optimized out>
  #6  0x00007fa89b17588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 7 (Thread 0x7fa85865d700 (LWP 14302)):
  #0  0x00007fa89b16f839 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007fa89bc984af in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x000055df0bd64f0c in  ()
  #3  0x00007fa89bc79f15 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007fa89b44c6db in start_thread (arg=0x7fa85865d700) at pthread_create.c:463
          pd = 0x7fa85865d700
          now = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140361014302464, -6954423414469319063, 140361014298880, 0, 94416478431792, 140727197117552, 6930015132057970281, 6930435411472918121}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = <optimized out>
  #5  0x00007fa89b17588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 6 (Thread 0x7fa87b7fe700 (LWP 14298)):
  #0  0x00007fa89b168bf9 in __GI___poll (fds=0x55df0c97a210, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
          resultvar = 18446744073709551100
          sc_cancel_oldtype = 0
  #1  0x00007fa89bc524c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007fa89bc52862 in g_main_loop_run () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #3  0x00007fa89cdc6026 in  () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
  #4  0x00007fa89bc79f15 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #5  0x00007fa89b44c6db in start_thread (arg=0x7fa87b7fe700) at pthread_create.c:463
          pd = 0x7fa87b7fe700
          now = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140361603213056, -6954423414469319063, 140361603209472, 0, 94416476882320, 140727197117632, 6929942787091965545, 6930435411472918121}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = <optimized out>
  #6  0x00007fa89b17588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 5 (Thread 0x7fa87affd700 (LWP 14297)):
  #0  0x00007fa89b168bf9 in __GI___poll (fds=0x55df0c9153e0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
          resultvar = 18446744073709551100
          sc_cancel_oldtype = 0
  #1  0x00007fa89bc524c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007fa89bc525dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #3  0x00007fa89bc52621 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007fa89bc79f15 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #5  0x00007fa89b44c6db in start_thread (arg=0x7fa87affd700) at pthread_create.c:463
          pd = 0x7fa87affd700
          now = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140361594820352, -6954423414469319063, 140361594816768, 0, 94416476882160, 140727197117248, 6929941688117208681, 6930435411472918121}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = <optimized out>
  #6  0x00007fa89b17588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 4 (Thread 0x7fa88bfff700 (LWP 14293)):
  #0  0x00007fa89b16f839 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007fa89bc984af in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007fa89d2bcc63 in  () at /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0
  #3  0x00007fa89bc79f15 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007fa89b44c6db in start_thread (arg=0x7fa88bfff700) at pthread_create.c:463
          pd = 0x7fa88bfff700
          now = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140361880041216, -6954423414469319063, 140361880037632, 0, 94416476882080, 140727197117552, 6930471653795538537, 6930435411472918121}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = <optimized out>
  #5  0x00007fa89b17588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 3 (Thread 0x7fa891ca3700 (LWP 14292)):
  #0  0x00007fa89b16f839 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007fa89bc984af in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007fa89d2bcc63 in  () at /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0
  #3  0x00007fa89bc79f15 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007fa89b44c6db in start_thread (arg=0x7fa891ca3700) at pthread_create.c:463
          pd = 0x7fa891ca3700
          now = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140361977181952, -6954423414469319063, 140361977178368, 0, 94416476882000, 140727197117552, 6930423363330745961, 6930435411472918121}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = <optimized out>
  #5  0x00007fa89b17588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 2 (Thread 0x7fa8924a4700 (LWP 14291)):
  #0  0x00007fa89b16f839 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007fa89bc984af in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007fa89d2bcc63 in  () at /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0
  #3  0x00007fa89bc79f15 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007fa89b44c6db in start_thread (arg=0x7fa8924a4700) at pthread_create.c:463
          pd = 0x7fa8924a4700
          now = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140361985574656, -6954423414469319063, 140361985571072, 0, 94416476881920, 140727197117552, 6930415666212480617, 6930435411472918121}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = <optimized out>
  #5  0x00007fa89b17588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 1 (Thread 0x7fa8a027de00 (LWP 14288)):
  #0  0x00007fa89b456384 in __libc_read (fd=16, buf=0x7ffd9a9804d0, nbytes=256) at ../sysdeps/unix/sysv/linux/read.c:27
          resultvar = 18446744073709551104
          sc_cancel_oldtype = 0
          sc_ret = <optimized out>
          sc_ret = <optimized out>
          nbytes = 256
          fd = 16
          buf = 0x7ffd9a9804d0
  #1  0x00007fa89e8b5e40 in gimp_stack_trace_print () at /usr/lib/libgimpbase-2.0.so.0
  #2  0x000055df0ba98f64 in  ()
  #3  0x000055df0ba99568 in  ()
  #4  0x000055df0ba99c77 in  ()
  #5  0x00007fa89b457890 in <signal handler called> () at /lib/x86_64-linux-gnu/libpthread.so.0
  #6  0x00007fa857042b70 in  ()
  #7  0x00007fa89bf2c10d in g_closure_invoke () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #8  0x00007fa89bf3efce in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #9  0x00007fa89bf47685 in g_signal_emit_valist () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #10 0x00007fa89bf4809f in g_signal_emit () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #11 0x00007fa89bf305c4 in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #12 0x00007fa89bf2ff6e in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #13 0x00007fa89bf32bcb in g_object_thaw_notify () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #14 0x00007fa89fa110ba in  () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
  #15 0x00007fa89fa12348 in  () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
  #16 0x00007fa89f905585 in  () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
  #17 0x00007fa89f846c85 in  () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
  #18 0x00007fa89f939e97 in  () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
  #19 0x00007fa89bf2c10d in g_closure_invoke () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #20 0x00007fa89bf3efce in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #21 0x00007fa89bf47685 in g_signal_emit_valist () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #22 0x00007fa89bf4809f in g_signal_emit () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #23 0x00007fa89bf305c4 in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #24 0x00007fa89bf2ff6e in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #25 0x00007fa89bf32bcb in g_object_thaw_notify () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #26 0x00007fa89f960010 in  () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
  #27 0x00007fa89f93fa61 in gtk_rc_reparse_all_for_settings () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
  #28 0x00007fa89f93fdae in gtk_rc_reparse_all () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
  #29 0x000055df0baa1008 in  ()
  #30 0x00007fa89bf2c10d in g_closure_invoke () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #31 0x00007fa89bf3efce in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #32 0x00007fa89bf47685 in g_signal_emit_valist () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #33 0x00007fa89bf4809f in g_signal_emit () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #34 0x00007fa89bf305c4 in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #35 0x00007fa89bf2ff6e in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #36 0x00007fa89bf33a9e in g_object_setv () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #37 0x00007fa89bf34b3e in g_object_set_property () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #38 0x000055df0bae6bdb in  ()
  #39 0x00007fa89bf2c10d in g_closure_invoke () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #40 0x00007fa89bf3efce in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #41 0x00007fa89bf47685 in g_signal_emit_valist () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #42 0x00007fa89bf4809f in g_signal_emit () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #43 0x00007fa89f9edb0f in  () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
  #44 0x00007fa89f9f2330 in  () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
  #45 0x00007fa89f8f538b in  () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
  #46 0x00007fa89bf2c10d in g_closure_invoke () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #47 0x00007fa89bf3ed58 in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #48 0x00007fa89bf4701f in g_signal_emit_valist () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #49 0x00007fa89bf4809f in g_signal_emit () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #50 0x00007fa89fa0b2bc in  () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
  #51 0x00007fa89f8f362c in gtk_propagate_event () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
  #52 0x00007fa89f8f3a2b in gtk_main_do_event () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
  #53 0x00007fa89f56902c in  () at /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
  #54 0x00007fa89bc52317 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #55 0x00007fa89bc52550 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #56 0x00007fa89bc52862 in g_main_loop_run () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #57 0x000055df0ba98920 in app_run ()
  #58 0x000055df0ba981ec in main ()

  ```

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