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[Bug 1836113] Re: Gimp crashed while using the paint tool

 

** Changed in: gimp (Ubuntu)
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1836113

Title:
  Gimp crashed while using the paint tool

Status in gimp package in Ubuntu:
  Invalid

Bug description:
  ```
  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 2.60.4 (compiled against version 2.58.1)
  using GdkPixbuf version 2.38.1 (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 14328 - Thread 14328 #

  [New LWP 14330]
  [New LWP 14331]
  [New LWP 14332]
  [New LWP 14333]
  [New LWP 14334]
  [New LWP 14335]
  [New LWP 14336]
  [New LWP 14337]
  [New LWP 14338]
  [New LWP 14396]
  [New LWP 32762]
  [New LWP 32763]
  [New LWP 32764]
  [New LWP 32765]
  [New LWP 632]
  [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=0x7ffeed325290, fd=18) at ../sysdeps/unix/sysv/linux/read.c:26
    Id   Target Id                                       Frame 
  * 1    Thread 0x7f055791ae00 (LWP 14328) "gimp-2.10"   __libc_read (nbytes=256, buf=0x7ffeed325290, fd=18) at ../sysdeps/unix/sysv/linux/read.c:26
    2    Thread 0x7f05571cb700 (LWP 14330) "worker"      syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    3    Thread 0x7f05569ca700 (LWP 14331) "worker"      syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    4    Thread 0x7f05561c9700 (LWP 14332) "worker"      syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    5    Thread 0x7f0547dfb700 (LWP 14333) "gmain"       0x00007f0559605729 in __GI___poll (fds=0x5649298a5cf0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
    6    Thread 0x7f05475fa700 (LWP 14334) "gdbus"       0x00007f0559605729 in __GI___poll (fds=0x56492995d670, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
    7    Thread 0x7f05388f8700 (LWP 14335) "async"       syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    8    Thread 0x7f0533fff700 (LWP 14336) "worker"      syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    9    Thread 0x7f05337fe700 (LWP 14337) "worker"      syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    10   Thread 0x7f0532ffd700 (LWP 14338) "worker"      syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    11   Thread 0x7f05127fc700 (LWP 14396) "swap writer" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    12   Thread 0x7f05037fe700 (LWP 32762) "gimp-2.10"   futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x564932b1f298) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
    13   Thread 0x7f0502ffd700 (LWP 32763) "gimp-2.10"   futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x564932b1f298) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
    14   Thread 0x7f05027fc700 (LWP 32764) "gimp-2.10"   futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x564932b1f298) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
    15   Thread 0x7f0510ff9700 (LWP 32765) "gimp-2.10"   futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x564932b1f298) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
    16   Thread 0x7f0512ffd700 (LWP 632) "paint"         syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38

  Thread 16 (Thread 0x7f0512ffd700 (LWP 632)):
  #0  0x00007f055960b2e9 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007f05598ef93f in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00005649272a3cdd in  ()
  #3  0x00007f05598cd87d in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007f05596ea182 in start_thread (arg=<optimized out>) at pthread_create.c:486
          ret = <optimized out>
          pd = <optimized out>
          now = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139659770320640, -6760651222129678135, 140732877919182, 140732877919183, 140732877919328, 139659770317056, 6640402035271690441, 6640528329570674889}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = <optimized out>
  #5  0x00007f0559611b1f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 15 (Thread 0x7f0510ff9700 (LWP 32765)):
  #0  0x00007f05596f03bb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x564932b1f298) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
          __ret = -512
          oldtype = 0
          err = <optimized out>
          spin = 0
          buffer = {__routine = 0x7f05596f0050 <__condvar_cleanup_waiting>, __arg = 0x7f0510ff84f0, __canceltype = 0, __prev = 0x0}
          cbuffer = {wseq = 56, cond = 0x564932b1f270, mutex = 0x564953b149d0, private = 0}
          err = <optimized out>
          g = 0
          flags = <optimized out>
          g1_start = <optimized out>
          signals = <optimized out>
          result = 0
          wseq = 56
          seq = 28
  #1  0x00007f05596f03bb in __pthread_cond_wait_common (abstime=0x0, mutex=0x564953b149d0, cond=0x564932b1f270) at pthread_cond_wait.c:502
          spin = 0
          buffer = {__routine = 0x7f05596f0050 <__condvar_cleanup_waiting>, __arg = 0x7f0510ff84f0, __canceltype = 0, __prev = 0x0}
          cbuffer = {wseq = 56, cond = 0x564932b1f270, mutex = 0x564953b149d0, private = 0}
          err = <optimized out>
          g = 0
          flags = <optimized out>
          g1_start = <optimized out>
          signals = <optimized out>
          result = 0
          wseq = 56
          seq = 28
  #2  0x00007f05596f03bb in __pthread_cond_wait (cond=0x564932b1f270, mutex=0x564953b149d0) at pthread_cond_wait.c:655
  #3  0x00007f0540bf37b8 in  () at /usr/lib/x86_64-linux-gnu/librsvg-2.so.2
  #4  0x00007f0540beebbb in  () at /usr/lib/x86_64-linux-gnu/librsvg-2.so.2
  #5  0x00007f0540bef48c in  () at /usr/lib/x86_64-linux-gnu/librsvg-2.so.2
  #6  0x00007f0540befa9c in  () at /usr/lib/x86_64-linux-gnu/librsvg-2.so.2
  #7  0x00007f0540d0e01a in  () at /usr/lib/x86_64-linux-gnu/librsvg-2.so.2
  #8  0x00007f0540bf53e0 in  () at /usr/lib/x86_64-linux-gnu/librsvg-2.so.2
  #9  0x00007f0540d0366e in  () at /usr/lib/x86_64-linux-gnu/librsvg-2.so.2
  #10 0x00007f0540cd8096 in  () at /usr/lib/x86_64-linux-gnu/librsvg-2.so.2
  #11 0x00007f05596ea182 in start_thread (arg=<optimized out>) at pthread_create.c:486
          ret = <optimized out>
          pd = <optimized out>
          now = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139659736749824, -6760651222129678135, 140732877837550, 140732877837551, 140732877837808, 139659736746240, 6640406431170717897, 6640528329570674889}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = <optimized out>
  #12 0x00007f0559611b1f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 14 (Thread 0x7f05027fc700 (LWP 32764)):
  #0  0x00007f05596f03bb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x564932b1f298) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
          __ret = -512
          oldtype = 0
          err = <optimized out>
          spin = 0
          buffer = {__routine = 0x7f05596f0050 <__condvar_cleanup_waiting>, __arg = 0x7f05027fb4f0, __canceltype = 0, __prev = 0x0}
          cbuffer = {wseq = 58, cond = 0x564932b1f270, mutex = 0x564953b149d0, private = 0}
          err = <optimized out>
          g = 0
          flags = <optimized out>
          g1_start = <optimized out>
          signals = <optimized out>
          result = 0
          wseq = 58
          seq = 29
  #1  0x00007f05596f03bb in __pthread_cond_wait_common (abstime=0x0, mutex=0x564953b149d0, cond=0x564932b1f270) at pthread_cond_wait.c:502
          spin = 0
          buffer = {__routine = 0x7f05596f0050 <__condvar_cleanup_waiting>, __arg = 0x7f05027fb4f0, __canceltype = 0, __prev = 0x0}
          cbuffer = {wseq = 58, cond = 0x564932b1f270, mutex = 0x564953b149d0, private = 0}
          err = <optimized out>
          g = 0
          flags = <optimized out>
          g1_start = <optimized out>
          signals = <optimized out>
          result = 0
          wseq = 58
          seq = 29
  #2  0x00007f05596f03bb in __pthread_cond_wait (cond=0x564932b1f270, mutex=0x564953b149d0) at pthread_cond_wait.c:655
  #3  0x00007f0540bf37b8 in  () at /usr/lib/x86_64-linux-gnu/librsvg-2.so.2
  #4  0x00007f0540beebbb in  () at /usr/lib/x86_64-linux-gnu/librsvg-2.so.2
  #5  0x00007f0540bef48c in  () at /usr/lib/x86_64-linux-gnu/librsvg-2.so.2
  #6  0x00007f0540befa9c in  () at /usr/lib/x86_64-linux-gnu/librsvg-2.so.2
  #7  0x00007f0540d0e01a in  () at /usr/lib/x86_64-linux-gnu/librsvg-2.so.2
  #8  0x00007f0540bf53e0 in  () at /usr/lib/x86_64-linux-gnu/librsvg-2.so.2
  #9  0x00007f0540d0366e in  () at /usr/lib/x86_64-linux-gnu/librsvg-2.so.2
  #10 0x00007f0540cd8096 in  () at /usr/lib/x86_64-linux-gnu/librsvg-2.so.2
  #11 0x00007f05596ea182 in start_thread (arg=<optimized out>) at pthread_create.c:486
          ret = <optimized out>
          pd = <optimized out>
          now = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139659493492480, -6760651222129678135, 140732877837550, 140732877837551, 140732877837808, 139659493488896, 6640367946653133001, 6640528329570674889}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = <optimized out>
  #12 0x00007f0559611b1f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 13 (Thread 0x7f0502ffd700 (LWP 32763)):
  #0  0x00007f05596f03bb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x564932b1f298) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
          __ret = -512
          oldtype = 0
          err = <optimized out>
          spin = 0
          buffer = {__routine = 0x7f05596f0050 <__condvar_cleanup_waiting>, __arg = 0x7f0502ffc4f0, __canceltype = 0, __prev = 0x0}
          cbuffer = {wseq = 52, cond = 0x564932b1f270, mutex = 0x564953b149d0, private = 0}
          err = <optimized out>
          g = 0
          flags = <optimized out>
          g1_start = <optimized out>
          signals = <optimized out>
          result = 0
          wseq = 52
          seq = 26
  #1  0x00007f05596f03bb in __pthread_cond_wait_common (abstime=0x0, mutex=0x564953b149d0, cond=0x564932b1f270) at pthread_cond_wait.c:502
          spin = 0
          buffer = {__routine = 0x7f05596f0050 <__condvar_cleanup_waiting>, __arg = 0x7f0502ffc4f0, __canceltype = 0, __prev = 0x0}
          cbuffer = {wseq = 52, cond = 0x564932b1f270, mutex = 0x564953b149d0, private = 0}
          err = <optimized out>
          g = 0
          flags = <optimized out>
          g1_start = <optimized out>
          signals = <optimized out>
          result = 0
          wseq = 52
          seq = 26
  #2  0x00007f05596f03bb in __pthread_cond_wait (cond=0x564932b1f270, mutex=0x564953b149d0) at pthread_cond_wait.c:655
  #3  0x00007f0540bf37b8 in  () at /usr/lib/x86_64-linux-gnu/librsvg-2.so.2
  #4  0x00007f0540beebbb in  () at /usr/lib/x86_64-linux-gnu/librsvg-2.so.2
  #5  0x00007f0540bef48c in  () at /usr/lib/x86_64-linux-gnu/librsvg-2.so.2
  #6  0x00007f0540befa9c in  () at /usr/lib/x86_64-linux-gnu/librsvg-2.so.2
  #7  0x00007f0540d0e01a in  () at /usr/lib/x86_64-linux-gnu/librsvg-2.so.2
  #8  0x00007f0540bf53e0 in  () at /usr/lib/x86_64-linux-gnu/librsvg-2.so.2
  #9  0x00007f0540d0366e in  () at /usr/lib/x86_64-linux-gnu/librsvg-2.so.2
  #10 0x00007f0540cd8096 in  () at /usr/lib/x86_64-linux-gnu/librsvg-2.so.2
  #11 0x00007f05596ea182 in start_thread (arg=<optimized out>) at pthread_create.c:486
          ret = <optimized out>
          pd = <optimized out>
          now = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139659501885184, -6760651222129678135, 140732877837550, 140732877837551, 140732877837808, 139659501881600, 6640366850899601609, 6640528329570674889}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = <optimized out>
  #12 0x00007f0559611b1f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 12 (Thread 0x7f05037fe700 (LWP 32762)):
  #0  0x00007f05596f03bb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x564932b1f298) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
          __ret = -512
          oldtype = 0
          err = <optimized out>
          spin = 0
          buffer = {__routine = 0x7f05596f0050 <__condvar_cleanup_waiting>, __arg = 0x7f05037fd4f0, __canceltype = 0, __prev = 0x0}
          cbuffer = {wseq = 54, cond = 0x564932b1f270, mutex = 0x564953b149d0, private = 0}
          err = <optimized out>
          g = 0
          flags = <optimized out>
          g1_start = <optimized out>
          signals = <optimized out>
          result = 0
          wseq = 54
          seq = 27
  #1  0x00007f05596f03bb in __pthread_cond_wait_common (abstime=0x0, mutex=0x564953b149d0, cond=0x564932b1f270) at pthread_cond_wait.c:502
          spin = 0
          buffer = {__routine = 0x7f05596f0050 <__condvar_cleanup_waiting>, __arg = 0x7f05037fd4f0, __canceltype = 0, __prev = 0x0}
          cbuffer = {wseq = 54, cond = 0x564932b1f270, mutex = 0x564953b149d0, private = 0}
          err = <optimized out>
          g = 0
          flags = <optimized out>
          g1_start = <optimized out>
          signals = <optimized out>
          result = 0
          wseq = 54
          seq = 27
  #2  0x00007f05596f03bb in __pthread_cond_wait (cond=0x564932b1f270, mutex=0x564953b149d0) at pthread_cond_wait.c:655
  #3  0x00007f0540bf37b8 in  () at /usr/lib/x86_64-linux-gnu/librsvg-2.so.2
  #4  0x00007f0540beebbb in  () at /usr/lib/x86_64-linux-gnu/librsvg-2.so.2
  #5  0x00007f0540bef48c in  () at /usr/lib/x86_64-linux-gnu/librsvg-2.so.2
  #6  0x00007f0540befa9c in  () at /usr/lib/x86_64-linux-gnu/librsvg-2.so.2
  #7  0x00007f0540d0e01a in  () at /usr/lib/x86_64-linux-gnu/librsvg-2.so.2
  #8  0x00007f0540bf53e0 in  () at /usr/lib/x86_64-linux-gnu/librsvg-2.so.2
  #9  0x00007f0540d0366e in  () at /usr/lib/x86_64-linux-gnu/librsvg-2.so.2
  #10 0x00007f0540cd8096 in  () at /usr/lib/x86_64-linux-gnu/librsvg-2.so.2
  #11 0x00007f05596ea182 in start_thread (arg=<optimized out>) at pthread_create.c:486
          ret = <optimized out>
          pd = <optimized out>
          now = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139659510277888, -6760651222129678135, 140732877837550, 140732877837551, 140732877837808, 139659510274304, 6640365750851102921, 6640528329570674889}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = <optimized out>
  #12 0x00007f0559611b1f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 11 (Thread 0x7f05127fc700 (LWP 14396)):
  #0  0x00007f055960b2e9 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007f05598ef93f in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007f0559d96799 in  () at /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0
  #3  0x00007f05598cd87d in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007f05596ea182 in start_thread (arg=<optimized out>) at pthread_create.c:486
          ret = <optimized out>
          pd = <optimized out>
          now = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139659761927936, -6760651222129678135, 140732877913166, 140732877913167, 140732877913312, 139659761924352, 6640403131025221833, 6640528329570674889}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = <optimized out>
  #5  0x00007f0559611b1f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 10 (Thread 0x7f0532ffd700 (LWP 14338)):
  #0  0x00007f055960b2e9 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007f05598ef93f in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00005649274d6423 in  ()
  #3  0x00007f05598cd87d in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007f05596ea182 in start_thread (arg=<optimized out>) at pthread_create.c:486
          ret = <optimized out>
          pd = <optimized out>
          now = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139660307191552, -6760651222129678135, 140732877921726, 140732877921727, 140732877921872, 139660307187968, 6640331666527512777, 6640528329570674889}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = <optimized out>
  #5  0x00007f0559611b1f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 9 (Thread 0x7f05337fe700 (LWP 14337)):
  #0  0x00007f055960b2e9 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007f05598ef93f in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00005649274d6423 in  ()
  #3  0x00007f05598cd87d in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007f05596ea182 in start_thread (arg=<optimized out>) at pthread_create.c:486
          ret = <optimized out>
          pd = <optimized out>
          now = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139660315584256, -6760651222129678135, 140732877921726, 140732877921727, 140732877921872, 139660315580672, 6640330566479014089, 6640528329570674889}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = <optimized out>
  #5  0x00007f0559611b1f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 8 (Thread 0x7f0533fff700 (LWP 14336)):
  #0  0x00007f055960b2e9 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007f05598ef93f in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00005649274d6423 in  ()
  #3  0x00007f05598cd87d in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007f05596ea182 in start_thread (arg=<optimized out>) at pthread_create.c:486
          ret = <optimized out>
          pd = <optimized out>
          now = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139660323976960, -6760651222129678135, 140732877921726, 140732877921727, 140732877921872, 139660323973376, 6640329466430515401, 6640528329570674889}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = <optimized out>
  #5  0x00007f0559611b1f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 7 (Thread 0x7f05388f8700 (LWP 14335)):
  #0  0x00007f055960b2e9 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007f05598ef93f in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00005649274d666c in  ()
  #3  0x00007f05598cd87d in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007f05596ea182 in start_thread (arg=<optimized out>) at pthread_create.c:486
          ret = <optimized out>
          pd = <optimized out>
          now = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139660400494336, -6760651222129678135, 140732877921742, 140732877921743, 140732877921888, 139660400490752, 6640318603921352905, 6640528329570674889}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = <optimized out>
  #5  0x00007f0559611b1f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 6 (Thread 0x7f05475fa700 (LWP 14334)):
  #0  0x00007f0559605729 in __GI___poll (fds=0x56492995d670, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
          resultvar = 18446744073709551100
          sc_cancel_oldtype = 0
  #1  0x00007f05598a4bf6 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007f05598a4f82 in g_main_loop_run () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #3  0x00007f0559c72e26 in  () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
  #4  0x00007f05598cd87d in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #5  0x00007f05596ea182 in start_thread (arg=<optimized out>) at pthread_create.c:486
          ret = <optimized out>
          pd = <optimized out>
          now = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139660649015040, -6760651222129678135, 140732877921838, 140732877921839, 140732877921984, 139660649011456, 6640515007407089865, 6640528329570674889}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = <optimized out>
  #6  0x00007f0559611b1f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 5 (Thread 0x7f0547dfb700 (LWP 14333)):
  #0  0x00007f0559605729 in __GI___poll (fds=0x5649298a5cf0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
          resultvar = 18446744073709551100
          sc_cancel_oldtype = 0
  #1  0x00007f05598a4bf6 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007f05598a4d1c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #3  0x00007f05598a4d61 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007f05598cd87d in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #5  0x00007f05596ea182 in start_thread (arg=<optimized out>) at pthread_create.c:486
          ret = <optimized out>
          pd = <optimized out>
          now = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139660657407744, -6760651222129678135, 140732877921422, 140732877921423, 140732877921568, 139660657404160, 6640513907358591177, 6640528329570674889}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = <optimized out>
  #6  0x00007f0559611b1f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 4 (Thread 0x7f05561c9700 (LWP 14332)):
  #0  0x00007f055960b2e9 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007f05598ef93f in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007f0559d5a993 in  () at /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0
  #3  0x00007f05598cd87d in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007f05596ea182 in start_thread (arg=<optimized out>) at pthread_create.c:486
          ret = <optimized out>
          pd = <optimized out>
          now = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139660896278272, -6760651222129678135, 140732877921758, 140732877921759, 140732877921904, 139660896274688, 6640552915325315273, 6640528329570674889}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = <optimized out>
  #5  0x00007f0559611b1f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 3 (Thread 0x7f05569ca700 (LWP 14331)):
  #0  0x00007f055960b2e9 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007f05598ef93f in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007f0559d5a993 in  () at /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0
  #3  0x00007f05598cd87d in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007f05596ea182 in start_thread (arg=<optimized out>) at pthread_create.c:486
          ret = <optimized out>
          pd = <optimized out>
          now = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139660904670976, -6760651222129678135, 140732877921758, 140732877921759, 140732877921904, 139660904667392, 6640551815276816585, 6640528329570674889}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = <optimized out>
  #5  0x00007f0559611b1f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 2 (Thread 0x7f05571cb700 (LWP 14330)):
  #0  0x00007f055960b2e9 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007f05598ef93f in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007f0559d5a993 in  () at /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0
  #3  0x00007f05598cd87d in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007f05596ea182 in start_thread (arg=<optimized out>) at pthread_create.c:486
          ret = <optimized out>
          pd = <optimized out>
          now = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139660913063680, -6760651222129678135, 140732877921758, 140732877921759, 140732877921904, 139660913060096, 6640550715228317897, 6640528329570674889}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = <optimized out>
  #5  0x00007f0559611b1f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 1 (Thread 0x7f055791ae00 (LWP 14328)):
  #0  0x00007f05596f3d94 in __libc_read (nbytes=256, buf=0x7ffeed325290, fd=18) at ../sysdeps/unix/sysv/linux/read.c:26
          resultvar = 18446744073709551104
          sc_cancel_oldtype = 1
          sc_ret = <optimized out>
  #1  0x00007f05596f3d94 in __libc_read (fd=18, buf=0x7ffeed325290, nbytes=256) at ../sysdeps/unix/sysv/linux/read.c:24
  #2  0x00007f055a1c77d4 in gimp_stack_trace_print () at /usr/lib/libgimpbase-2.0.so.0
  #3  0x00005649272114a0 in  ()
  #4  0x00005649272118d8 in  ()
  #5  0x0000564927212037 in  ()
  #6  0x00007f05596f4f40 in <signal handler called> () at /lib/x86_64-linux-gnu/libpthread.so.0
  #7  0x00007f0559537ed7 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
          set = {__val = {0, 139660950499703, 4222451712, 94873832745936, 94873832746037, 94873832745936, 94873832745936, 94873832746039, 94873832746236, 94873832745936, 94873832746236, 0, 0, 0, 0, 0}}
          pid = <optimized out>
          tid = <optimized out>
  #8  0x00007f0559519535 in __GI_abort () at abort.c:79
          save_stage = 1
          act = {__sigaction_handler = {sa_handler = 0x56499240a8f0, sa_sigaction = 0x56499240a8f0}, sa_mask = {__val = {0, 94873832745936, 6, 0, 0, 0, 21474836480, 140732877921448, 140732877921296, 139660951728368, 139660951713160, 0, 17480005583451134208, 139660951697895, 0, 139660951713160}}, sa_flags = 1497773683, sa_restorer = 0x7f0559463808}
          sigs = {__val = {32, 0 <repeats 15 times>}}
  #9  0x00007f055951940f in __assert_fail_base (fmt=0x7f05596a7588 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=0x7f0559463808 "!xcb_xlib_threads_sequence_lost", file=0x7f0559463673 "../../src/xcb_io.c", line=263, function=<optimized out>) at assert.c:92
          str = 0x56499240a8f0 ""
          total = 4096
  #10 0x00007f0559529012 in __GI___assert_fail (assertion=0x7f0559463808 "!xcb_xlib_threads_sequence_lost", file=0x7f0559463673 "../../src/xcb_io.c", line=263, function=0x7f0559463ac0 "poll_for_event") at assert.c:101
  #11 0x00007f05593f15db in  () at /usr/lib/x86_64-linux-gnu/libX11.so.6
  #12 0x00007f05593f1680 in  () at /usr/lib/x86_64-linux-gnu/libX11.so.6
  #13 0x00007f05593f197d in _XEventsQueued () at /usr/lib/x86_64-linux-gnu/libX11.so.6
  #14 0x00007f05593d350a in XFlush () at /usr/lib/x86_64-linux-gnu/libX11.so.6
  #15 0x00007f055a26ba40 in gdk_window_process_all_updates () at /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
  #16 0x00007f055a39b021 in  () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
  #17 0x00007f055a24a804 in  () at /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
  #18 0x00007f05598a4898 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #19 0x00007f05598a4c88 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #20 0x00007f05598a4f82 in g_main_loop_run () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #21 0x0000564927210cb7 in app_run ()
  #22 0x00005649272105b5 in main ()
  [Inferior 1 (process 14328) detached]

  ```

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References