Starting it from the command line gave me some more info:

```Gtk-Message: 11:40:29.109: Failed to load module "canberra-gtk-module"
GIMP-Error: Failed to load data:

Error loading '/home/sandra/.mypaint/brushes/Splatter-drop.myb': Failed
to deserialize MyPaint brush.

GIMP-Error: Failed to load data:

Error loading '/home/sandra/.mypaint/brushes/Splatter-drop2.myb': Failed
to deserialize MyPaint brush.

GIMP-Error: Failed to load data:

Error loading '/home/sandra/.mypaint/brushes/basic-flat.myb': Failed to
deserialize MyPaint brush.

GIMP-Error: Failed to load data:

Error loading '/home/sandra/.mypaint/brushes/basic-round.myb': Failed to
deserialize MyPaint brush.

GIMP-Error: Failed to load data:

Error loading '/home/sandra/.mypaint/brushes/detail-soft.myb': Failed to
deserialize MyPaint brush.

GIMP-Error: Failed to load data:

Error loading '/home/sandra/.mypaint/brushes/details-hard.myb': Failed
to deserialize MyPaint brush.

Warning: Unknown setting_id: -1 for setting: gridmap_scale
Warning: Unknown setting_id: -1 for setting: gridmap_scale_x
Warning: Unknown setting_id: -1 for setting: gridmap_scale_y
Warning: Unknown setting_id: -1 for setting: offset_angle
Warning: Unknown setting_id: -1 for setting: offset_angle_2
Warning: Unknown setting_id: -1 for setting: offset_angle_2_asc
Warning: Unknown setting_id: -1 for setting: offset_angle_2_view
Warning: Unknown setting_id: -1 for setting: offset_angle_adj
Warning: Unknown setting_id: -1 for setting: offset_angle_asc
Warning: Unknown setting_id: -1 for setting: offset_angle_view
Warning: Unknown setting_id: -1 for setting: offset_multiplier
Warning: Unknown setting_id: -1 for setting: offset_x
Warning: Unknown setting_id: -1 for setting: offset_y
Warning: Unknown setting_id: -1 for setting: paint_mode
Warning: Unknown setting_id: -1 for setting: posterize
Warning: Unknown setting_id: -1 for setting: posterize_num
Warning: Unknown setting_id: -1 for setting: smudge_bucket
Warning: Unknown setting_id: -1 for setting: smudge_length_log
Warning: Unknown setting_id: -1 for setting: smudge_transparency
gimp: mypaint-mapping.c:88: mypaint_mapping_set_n: Assertion `input >= 0 && 
input < self->inputs' failed.
gimp: fatal error: Aborted
26      ../sysdeps/unix/sysv/linux/read.c: No such file or directory.```

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https://bugs.launchpad.net/bugs/1860104

Title:
  GIMP crashed as I started it

Status in gimp package in Ubuntu:
  New

Bug description:
  I just started gimp and it crashed and said I should go here and paste
  this in

  ```
  GNU Image Manipulation Program version 2.10.8
  git-describe: GIMP_2_10_6-294-ga967e8d2c2
  C compiler:
        Using built-in specs.
        COLLECT_GCC=gcc
        COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/8/lto-wrapper
        OFFLOAD_TARGET_NAMES=nvptx-none
        OFFLOAD_TARGET_DEFAULT=1
        Target: x86_64-linux-gnu
        Configured with: ../src/configure -v --with-pkgversion='Ubuntu 
8.2.0-13ubuntu1' --with-bugurl=file:///usr/share/doc/gcc-8/README.Bugs 
--enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++ --prefix=/usr 
--with-gcc-major-version-only --program-suffix=-8 
--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 --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 8.2.0 (Ubuntu 8.2.0-13ubuntu1) 
        
  using GEGL version 0.4.14 (compiled against version 0.4.12)
  using GLib version 2.62.1 (compiled against version 2.58.1)
  using GdkPixbuf version 2.40.0 (compiled against version 2.38.0)
  using GTK+ version 2.24.32 (compiled against version 2.24.32)
  using Pango version 1.42.3 (compiled against version 1.42.3)
  using Fontconfig version 2.13.1 (compiled against version 2.13.0)
  using Cairo version 1.16.0 (compiled against version 1.16.0)

  ```
  > fatal error: Aborted

  Stack trace:
  ```

  # Stack traces obtained from PID 6240 - Thread 6240 #

  [New LWP 6241]
  [New LWP 6242]
  [New LWP 6243]
  [New LWP 6244]
  [New LWP 6245]
  [New LWP 6246]
  [New LWP 6247]
  [New LWP 6248]
  [New LWP 6249]
  [New LWP 6250]
  [New LWP 6251]
  [New LWP 6253]
  [New LWP 6254]
  [New LWP 6256]
  [New LWP 6257]
  [New LWP 6258]
  [New LWP 6259]
  [New LWP 6260]
  [New LWP 6261]
  [New LWP 6262]
  [New LWP 6263]
  [New LWP 6264]
  [New LWP 6265]
  [New LWP 6266]
  [New LWP 6267]
  [New LWP 6268]
  [Thread debugging using libthread_db enabled]
  Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
  __libc_read (nbytes=256, buf=0x7fffffffd990, fd=13) at 
../sysdeps/unix/sysv/linux/read.c:26
    Id   Target Id                                    Frame 
  * 1    Thread 0x7ffff5e1ee00 (LWP 6240) "gimp"      __libc_read (nbytes=256, 
buf=0x7fffffffd990, fd=13) at ../sysdeps/unix/sysv/linux/read.c:26
    2    Thread 0x7ffff4b87700 (LWP 6241) "worker"    syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    3    Thread 0x7ffff4386700 (LWP 6242) "worker"    syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    4    Thread 0x7ffff3b85700 (LWP 6243) "worker"    syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    5    Thread 0x7fffebfff700 (LWP 6244) "worker"    syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    6    Thread 0x7ffff3384700 (LWP 6245) "worker"    syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    7    Thread 0x7ffff2b83700 (LWP 6246) "worker"    syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    8    Thread 0x7ffff2382700 (LWP 6247) "worker"    syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    9    Thread 0x7ffff1b81700 (LWP 6248) "worker"    syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    10   Thread 0x7ffff1380700 (LWP 6249) "worker"    syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    11   Thread 0x7ffff0b7f700 (LWP 6250) "worker"    syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    12   Thread 0x7fffeb7fe700 (LWP 6251) "worker"    syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    13   Thread 0x7fffe9427700 (LWP 6253) "gmain"     0x00007ffff6dc0c2f in 
__GI___poll (fds=0x555555dfa750, nfds=1, timeout=5062) at 
../sysdeps/unix/sysv/linux/poll.c:29
    14   Thread 0x7fffe8c26700 (LWP 6254) "gdbus"     0x00007ffff6dc0c2f in 
__GI___poll (fds=0x555555e0e520, nfds=2, timeout=-1) at 
../sysdeps/unix/sysv/linux/poll.c:29
    15   Thread 0x7fffaf457700 (LWP 6256) "async"     syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    16   Thread 0x7fffaec56700 (LWP 6257) "worker"    syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    17   Thread 0x7fffaa455700 (LWP 6258) "worker"    syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    18   Thread 0x7fffae455700 (LWP 6259) "worker"    syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    19   Thread 0x7fffadc54700 (LWP 6260) "worker"    syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    20   Thread 0x7fffad453700 (LWP 6261) "worker"    syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    21   Thread 0x7fffacc52700 (LWP 6262) "worker"    syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    22   Thread 0x7fffac451700 (LWP 6263) "worker"    syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    23   Thread 0x7fffabc50700 (LWP 6264) "worker"    syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    24   Thread 0x7fffab44f700 (LWP 6265) "worker"    syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    25   Thread 0x7fffa9c54700 (LWP 6266) "worker"    syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    26   Thread 0x7fffa9453700 (LWP 6267) "worker"    syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    27   Thread 0x7fffa8c52700 (LWP 6268) "pool-gimp" syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38

  Thread 27 (Thread 0x7fffa8c52700 (LWP 6268)):
  #0  0x00007ffff6dc694d in syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007ffff70b3ea6 in g_cond_wait_until () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007ffff70383e1 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #3  0x00007ffff70919aa in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007ffff7091111 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #5  0x00007ffff6ea7669 in start_thread (arg=<optimized out>) at 
pthread_create.c:479
          ret = <optimized out>
          pd = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736024880896, 
5073390106153475671, 140737488348222, 140737488348223, 140737488348368, 
140736024877312, -5073554698812629417, -5073409713004061097}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
          not_first_call = 0
  #6  0x00007ffff6dcd323 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 26 (Thread 0x7fffa9453700 (LWP 6267)):
  #0  0x00007ffff6dc694d in syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007ffff70b3d83 in g_cond_wait () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00005555558ea423 in  ()
  #3  0x00007ffff7091111 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007ffff6ea7669 in start_thread (arg=<optimized out>) at 
pthread_create.c:479
          ret = <optimized out>
          pd = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736033273600, 
5073390106153475671, 140737488348478, 140737488348479, 140737488348624, 
140736033270016, -5073551400814617001, -5073409713004061097}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
          not_first_call = 0
  #5  0x00007ffff6dcd323 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 25 (Thread 0x7fffa9c54700 (LWP 6266)):
  #0  0x00007ffff6dc694d in syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007ffff70b3d83 in g_cond_wait () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00005555558ea423 in  ()
  #3  0x00007ffff7091111 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007ffff6ea7669 in start_thread (arg=<optimized out>) at 
pthread_create.c:479
          ret = <optimized out>
          pd = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736041666304, 
5073390106153475671, 140737488348478, 140737488348479, 140737488348624, 
140736041662720, -5073552500863115689, -5073409713004061097}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
          not_first_call = 0
  #5  0x00007ffff6dcd323 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 24 (Thread 0x7fffab44f700 (LWP 6265)):
  #0  0x00007ffff6dc694d in syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007ffff70b3d83 in g_cond_wait () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00005555558ea423 in  ()
  #3  0x00007ffff7091111 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007ffff6ea7669 in start_thread (arg=<optimized out>) at 
pthread_create.c:479
          ret = <optimized out>
          pd = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736066811648, 
5073390106153475671, 140737488348478, 140737488348479, 140737488348624, 
140736066808064, -5073555796713644457, -5073409713004061097}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
          not_first_call = 0
  #5  0x00007ffff6dcd323 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 23 (Thread 0x7fffabc50700 (LWP 6264)):
  #0  0x00007ffff6dc694d in syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007ffff70b3d83 in g_cond_wait () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00005555558ea423 in  ()
  #3  0x00007ffff7091111 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007ffff6ea7669 in start_thread (arg=<optimized out>) at 
pthread_create.c:479
          ret = <optimized out>
          pd = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736075204352, 
5073390106153475671, 140737488348478, 140737488348479, 140737488348624, 
140736075200768, -5073556896762143145, -5073409713004061097}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
          not_first_call = 0
  #5  0x00007ffff6dcd323 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 22 (Thread 0x7fffac451700 (LWP 6263)):
  #0  0x00007ffff6dc694d in syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007ffff70b3d83 in g_cond_wait () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00005555558ea423 in  ()
  #3  0x00007ffff7091111 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007ffff6ea7669 in start_thread (arg=<optimized out>) at 
pthread_create.c:479
          ret = <optimized out>
          pd = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736083597056, 
5073390106153475671, 140737488348478, 140737488348479, 140737488348624, 
140736083593472, -5073562394857152937, -5073409713004061097}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
          not_first_call = 0
  #5  0x00007ffff6dcd323 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 21 (Thread 0x7fffacc52700 (LWP 6262)):
  #0  0x00007ffff6dc694d in syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007ffff70b3d83 in g_cond_wait () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00005555558ea423 in  ()
  #3  0x00007ffff7091111 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007ffff6ea7669 in start_thread (arg=<optimized out>) at 
pthread_create.c:479
          ret = <optimized out>
          pd = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736091989760, 
5073390106153475671, 140737488348478, 140737488348479, 140737488348624, 
140736091986176, -5073563494905651625, -5073409713004061097}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
          not_first_call = 0
  #5  0x00007ffff6dcd323 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 20 (Thread 0x7fffad453700 (LWP 6261)):
  #0  0x00007ffff6dc694d in syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007ffff70b3d83 in g_cond_wait () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00005555558ea423 in  ()
  #3  0x00007ffff7091111 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007ffff6ea7669 in start_thread (arg=<optimized out>) at 
pthread_create.c:479
          ret = <optimized out>
          pd = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736100382464, 
5073390106153475671, 140737488348478, 140737488348479, 140737488348624, 
140736100378880, -5073560196907639209, -5073409713004061097}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
          not_first_call = 0
  #5  0x00007ffff6dcd323 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 19 (Thread 0x7fffadc54700 (LWP 6260)):
  #0  0x00007ffff6dc694d in syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007ffff70b3d83 in g_cond_wait () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00005555558ea423 in  ()
  #3  0x00007ffff7091111 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007ffff6ea7669 in start_thread (arg=<optimized out>) at 
pthread_create.c:479
          ret = <optimized out>
          pd = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736108775168, 
5073390106153475671, 140737488348478, 140737488348479, 140737488348624, 
140736108771584, -5073561296956137897, -5073409713004061097}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
          not_first_call = 0
  #5  0x00007ffff6dcd323 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 18 (Thread 0x7fffae455700 (LWP 6259)):
  #0  0x00007ffff6dc694d in syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007ffff70b3d83 in g_cond_wait () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00005555558ea423 in  ()
  #3  0x00007ffff7091111 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007ffff6ea7669 in start_thread (arg=<optimized out>) at 
pthread_create.c:479
          ret = <optimized out>
          pd = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736117167872, 
5073390106153475671, 140737488348478, 140737488348479, 140737488348624, 
140736117164288, -5073566795051147689, -5073409713004061097}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
          not_first_call = 0
  #5  0x00007ffff6dcd323 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 17 (Thread 0x7fffaa455700 (LWP 6258)):
  #0  0x00007ffff6dc694d in syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007ffff70b3d83 in g_cond_wait () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00005555558ea423 in  ()
  #3  0x00007ffff7091111 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007ffff6ea7669 in start_thread (arg=<optimized out>) at 
pthread_create.c:479
          ret = <optimized out>
          pd = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736050059008, 
5073390106153475671, 140737488348478, 140737488348479, 140737488348624, 
140736050055424, -5073557998958125481, -5073409713004061097}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
          not_first_call = 0
  #5  0x00007ffff6dcd323 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 16 (Thread 0x7fffaec56700 (LWP 6257)):
  #0  0x00007ffff6dc694d in syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007ffff70b3d83 in g_cond_wait () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00005555558ea423 in  ()
  #3  0x00007ffff7091111 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007ffff6ea7669 in start_thread (arg=<optimized out>) at 
pthread_create.c:479
          ret = <optimized out>
          pd = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736125560576, 
5073390106153475671, 140737488348478, 140737488348479, 140737488348624, 
140736125556992, -5073567895099646377, -5073409713004061097}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
          not_first_call = 0
  #5  0x00007ffff6dcd323 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 15 (Thread 0x7fffaf457700 (LWP 6256)):
  #0  0x00007ffff6dc694d in syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007ffff70b3d83 in g_cond_wait () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00005555558ea66c in  ()
  #3  0x00007ffff7091111 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007ffff6ea7669 in start_thread (arg=<optimized out>) at 
pthread_create.c:479
          ret = <optimized out>
          pd = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736133953280, 
5073390106153475671, 140737488348494, 140737488348495, 140737488348640, 
140736133949696, -5073564597101633961, -5073409713004061097}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
          not_first_call = 0
  #5  0x00007ffff6dcd323 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 14 (Thread 0x7fffe8c26700 (LWP 6254)):
  #0  0x00007ffff6dc0c2f in __GI___poll (fds=0x555555e0e520, nfds=2, 
timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
          resultvar = 18446744073709551100
          sc_cancel_oldtype = 0
  #1  0x00007ffff7067a3e in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007ffff7067dc3 in g_main_loop_run () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #3  0x00007ffff744959a in  () at /lib/x86_64-linux-gnu/libgio-2.0.so.0
  #4  0x00007ffff7091111 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #5  0x00007ffff6ea7669 in start_thread (arg=<optimized out>) at 
pthread_create.c:479
          ret = <optimized out>
          pd = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140737098442496, 
5073390106153475671, 140737488348590, 140737488348591, 140737488348736, 
140737098438912, -5073413903342215593, -5073409713004061097}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
          not_first_call = 0
  #6  0x00007ffff6dcd323 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 13 (Thread 0x7fffe9427700 (LWP 6253)):
  #0  0x00007ffff6dc0c2f in __GI___poll (fds=0x555555dfa750, nfds=1, 
timeout=5062) at ../sysdeps/unix/sysv/linux/poll.c:29
          resultvar = 18446744073709551100
          sc_cancel_oldtype = 0
  #1  0x00007ffff7067a3e in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007ffff7067b73 in g_main_context_iteration () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #3  0x00007ffff7067bc1 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007ffff7091111 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #5  0x00007ffff6ea7669 in start_thread (arg=<optimized out>) at 
pthread_create.c:479
          ret = <optimized out>
          pd = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140737106835200, 
5073390106153475671, 140737488348174, 140737488348175, 140737488348320, 
140737106831616, -5073410605344203177, -5073409713004061097}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
          not_first_call = 0
  #6  0x00007ffff6dcd323 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 12 (Thread 0x7fffeb7fe700 (LWP 6251)):
  #0  0x00007ffff6dc694d in syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007ffff70b3d83 in g_cond_wait () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007ffff7535993 in  () at /lib/x86_64-linux-gnu/libgegl-0.4.so.0
  #3  0x00007ffff7091111 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007ffff6ea7669 in start_thread (arg=<optimized out>) at 
pthread_create.c:479
          ret = <optimized out>
          pd = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140737144416000, 
5073390106153475671, 140737488348494, 140737488348495, 140737488348640, 
140737144412416, -5073415393695867305, -5073409713004061097}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
          not_first_call = 0
  #5  0x00007ffff6dcd323 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 11 (Thread 0x7ffff0b7f700 (LWP 6250)):
  #0  0x00007ffff6dc694d in syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007ffff70b3d83 in g_cond_wait () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007ffff7535993 in  () at /lib/x86_64-linux-gnu/libgegl-0.4.so.0
  #3  0x00007ffff7091111 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007ffff6ea7669 in start_thread (arg=<optimized out>) at 
pthread_create.c:479
          ret = <optimized out>
          pd = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140737231976192, 
5073390106153475671, 140737488348494, 140737488348495, 140737488348640, 
140737231972608, -5073397321010356649, -5073409713004061097}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
          not_first_call = 0
  #5  0x00007ffff6dcd323 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 10 (Thread 0x7ffff1380700 (LWP 6249)):
  #0  0x00007ffff6dc694d in syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007ffff70b3d83 in g_cond_wait () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007ffff7535993 in  () at /lib/x86_64-linux-gnu/libgegl-0.4.so.0
  #3  0x00007ffff7091111 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007ffff6ea7669 in start_thread (arg=<optimized out>) at 
pthread_create.c:479
          ret = <optimized out>
          pd = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140737240368896, 
5073390106153475671, 140737488348494, 140737488348495, 140737488348640, 
140737240365312, -5073394023012344233, -5073409713004061097}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
          not_first_call = 0
  #5  0x00007ffff6dcd323 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 9 (Thread 0x7ffff1b81700 (LWP 6248)):
  #0  0x00007ffff6dc694d in syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007ffff70b3d83 in g_cond_wait () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007ffff7535993 in  () at /lib/x86_64-linux-gnu/libgegl-0.4.so.0
  #3  0x00007ffff7091111 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007ffff6ea7669 in start_thread (arg=<optimized out>) at 
pthread_create.c:479
          ret = <optimized out>
          pd = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140737248761600, 
5073390106153475671, 140737488348494, 140737488348495, 140737488348640, 
140737248758016, -5073395019981627817, -5073409713004061097}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
          not_first_call = 0
  #5  0x00007ffff6dcd323 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 8 (Thread 0x7ffff2382700 (LWP 6247)):
  #0  0x00007ffff6dc694d in syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007ffff70b3d83 in g_cond_wait () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007ffff7535993 in  () at /lib/x86_64-linux-gnu/libgegl-0.4.so.0
  #3  0x00007ffff7091111 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007ffff6ea7669 in start_thread (arg=<optimized out>) at 
pthread_create.c:479
          ret = <optimized out>
          pd = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140737257154304, 
5073390106153475671, 140737488348494, 140737488348495, 140737488348640, 
140737257150720, -5073400518076637609, -5073409713004061097}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
          not_first_call = 0
  #5  0x00007ffff6dcd323 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 7 (Thread 0x7ffff2b83700 (LWP 6246)):
  #0  0x00007ffff6dc694d in syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007ffff70b3d83 in g_cond_wait () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007ffff7535993 in  () at /lib/x86_64-linux-gnu/libgegl-0.4.so.0
  #3  0x00007ffff7091111 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007ffff6ea7669 in start_thread (arg=<optimized out>) at 
pthread_create.c:479
          ret = <optimized out>
          pd = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140737265547008, 
5073390106153475671, 140737488348494, 140737488348495, 140737488348640, 
140737265543424, -5073401618125136297, -5073409713004061097}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
          not_first_call = 0
  #5  0x00007ffff6dcd323 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 6 (Thread 0x7ffff3384700 (LWP 6245)):
  #0  0x00007ffff6dc694d in syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007ffff70b3d83 in g_cond_wait () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007ffff7535993 in  () at /lib/x86_64-linux-gnu/libgegl-0.4.so.0
  #3  0x00007ffff7091111 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007ffff6ea7669 in start_thread (arg=<optimized out>) at 
pthread_create.c:479
          ret = <optimized out>
          pd = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140737273939712, 
5073390106153475671, 140737488348494, 140737488348495, 140737488348640, 
140737273936128, -5073398320127123881, -5073409713004061097}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
          not_first_call = 0
  #5  0x00007ffff6dcd323 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 5 (Thread 0x7fffebfff700 (LWP 6244)):
  #0  0x00007ffff6dc694d in syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007ffff70b3d83 in g_cond_wait () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007ffff7535993 in  () at /lib/x86_64-linux-gnu/libgegl-0.4.so.0
  #3  0x00007ffff7091111 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007ffff6ea7669 in start_thread (arg=<optimized out>) at 
pthread_create.c:479
          ret = <optimized out>
          pd = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140737152808704, 
5073390106153475671, 140737488348494, 140737488348495, 140737488348640, 
140737152805120, -5073416493744365993, -5073409713004061097}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
          not_first_call = 0
  #5  0x00007ffff6dcd323 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 4 (Thread 0x7ffff3b85700 (LWP 6243)):
  #0  0x00007ffff6dc694d in syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007ffff70b3d83 in g_cond_wait () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007ffff7535993 in  () at /lib/x86_64-linux-gnu/libgegl-0.4.so.0
  #3  0x00007ffff7091111 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007ffff6ea7669 in start_thread (arg=<optimized out>) at 
pthread_create.c:479
          ret = <optimized out>
          pd = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140737282332416, 
5073390106153475671, 140737488348494, 140737488348495, 140737488348640, 
140737282328832, -5073399420175622569, -5073409713004061097}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
          not_first_call = 0
  #5  0x00007ffff6dcd323 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 3 (Thread 0x7ffff4386700 (LWP 6242)):
  #0  0x00007ffff6dc694d in syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007ffff70b3d83 in g_cond_wait () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007ffff7535993 in  () at /lib/x86_64-linux-gnu/libgegl-0.4.so.0
  #3  0x00007ffff7091111 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007ffff6ea7669 in start_thread (arg=<optimized out>) at 
pthread_create.c:479
          ret = <optimized out>
          pd = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140737290725120, 
5073390106153475671, 140737488348494, 140737488348495, 140737488348640, 
140737290721536, -5073404918270632361, -5073409713004061097}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
          not_first_call = 0
  #5  0x00007ffff6dcd323 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 2 (Thread 0x7ffff4b87700 (LWP 6241)):
  #0  0x00007ffff6dc694d in syscall () at 
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007ffff70b3d83 in g_cond_wait () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007ffff7535993 in  () at /lib/x86_64-linux-gnu/libgegl-0.4.so.0
  #3  0x00007ffff7091111 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007ffff6ea7669 in start_thread (arg=<optimized out>) at 
pthread_create.c:479
          ret = <optimized out>
          pd = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140737299117824, 
5073390106153475671, 140737488348494, 140737488348495, 140737488348640, 
140737299114240, -5073406018319131049, -5073409713004061097}, mask_was_saved = 
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
canceltype = 0}}}
          not_first_call = 0
  #5  0x00007ffff6dcd323 in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 1 (Thread 0x7ffff5e1ee00 (LWP 6240)):
  #0  0x00007ffff6eb231c in __libc_read (nbytes=256, buf=0x7fffffffd990, fd=13) 
at ../sysdeps/unix/sysv/linux/read.c:26
          resultvar = 18446744073709551104
          sc_cancel_oldtype = 1
  #1  0x00007ffff6eb231c in __libc_read (fd=13, buf=0x7fffffffd990, nbytes=256) 
at ../sysdeps/unix/sysv/linux/read.c:24
  #2  0x00007ffff79a57d4 in gimp_stack_trace_print () at 
/lib/libgimpbase-2.0.so.0
  #3  0x00005555556254a0 in  ()
  #4  0x00005555556258d8 in  ()
  #5  0x0000555555626037 in  ()
  #6  0x00007ffff6eb3540 in <signal handler called> () at 
/lib/x86_64-linux-gnu/libpthread.so.0
  #7  0x00007ffff6cf13eb in __GI_raise (sig=sig@entry=6) at 
../sysdeps/unix/sysv/linux/raise.c:50
          set = {__val = {0, 140737334511744, 93827783032832, 93825023653888, 
93825023653989, 93825023653888, 93825023653888, 93825023653994, 93825023654188, 
93825023653888, 93825023654188, 0, 0, 0, 0, 0}}
          pid = <optimized out>
          tid = <optimized out>
  #8  0x00007ffff6cd0899 in __GI_abort () at abort.c:79
          save_stage = 1
          act = {__sigaction_handler = {sa_handler = 0x6, sa_sigaction = 0x6}, 
sa_mask = {__val = {106, 4, 1466725920, 0, 0, 140737335661678, 0, 21474836480, 
140737488347920, 140733193388038, 140737335692112, 0, 15011122271146674432, 
140737335661678, 140736054910976, 140737335676856}}, sa_flags = -149262176, 
sa_restorer = 0x58}
          sigs = {__val = {32, 0 <repeats 15 times>}}
  #9  0x00007ffff6cd0769 in __assert_fail_base (fmt=0x7ffff6e64fb8 "%s%s%s:%u: 
%s%sAssertion `%s' failed.\n%n", assertion=0x7ffff71a7138 "input >= 0 && input 
< self->inputs", file=0x7ffff71a70a0 "mypaint-mapping.c", line=88, 
function=<optimized out>) at assert.c:92
          str = 0x55555625b800 ""
          total = 4096
  #10 0x00007ffff6ce2006 in __GI___assert_fail (assertion=0x7ffff71a7138 "input 
>= 0 && input < self->inputs", file=0x7ffff71a70a0 "mypaint-mapping.c", 
line=88, function=0x7ffff71a7230 "mypaint_mapping_set_n") at assert.c:101
  #11 0x00007ffff71a075c in mypaint_mapping_set_n () at 
/lib/x86_64-linux-gnu/libmypaint-1.3.so.0
  #12 0x00007ffff71a36a6 in mypaint_brush_from_string () at 
/lib/x86_64-linux-gnu/libmypaint-1.3.so.0
  #13 0x000055555598463a in gimp_mybrush_load ()
  #14 0x000055555591fbd4 in  ()
  #15 0x000055555591ff5a in  ()
  #16 0x000055555591e2ce in gimp_data_factory_data_init ()
  #17 0x00005555558e4022 in gimp_data_factories_load ()
  #18 0x00005555558e1394 in gimp_restore ()
  #19 0x0000555555624e03 in app_run ()
  #20 0x00005555556245b5 in main ()
  [Inferior 1 (process 6240) detached]

  ```

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