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[Bug 1868136] [NEW] Critical error when opening a new, empty image: gimp_display_shell_flush: assertion 'GIMP_IS_DISPLAY_SHELL (shell)' failed

To: edubuntu-bugs@xxxxxxxxxxxxxxxxxxx
From: Stian Simonsen <1868136@xxxxxxxxxxxxxxxxxx>
Date: Thu, 19 Mar 2020 16:46:29 -0000
Reply-to: Bug 1868136 <1868136@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Public bug reported:

```
GNU bildebehandlingsprogram version 2.10.14
git-describe: GIMP_2_10_12-511-ga4f55d6c7e
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 babl version 0.1.72 (compiled against version 0.1.72)
using GEGL version 0.4.18 (compiled against version 0.4.18)
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)

```
> GIMP-CRITICAL: gimp_display_shell_flush: assertion 'GIMP_IS_DISPLAY_SHELL (shell)' failed

Stack trace:
```

# Stack traces obtained from PID 2956 - Thread 2956 #

[New LWP 2959]
[New LWP 2960]
[New LWP 2961]
[New LWP 2962]
[New LWP 2963]
[New LWP 2964]
[New LWP 2999]
[New LWP 3009]
[New LWP 15102]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f68073df384 in __libc_read (fd=25, buf=0x7ffc0206c960, nbytes=256) at ../sysdeps/unix/sysv/linux/read.c:27
  Id   Target Id         Frame 
* 1    Thread 0x7f680c20ce00 (LWP 2956) "gimp-2.10" 0x00007f68073df384 in __libc_read (fd=25, buf=0x7ffc0206c960, nbytes=256) at ../sysdeps/unix/sysv/linux/read.c:27
  2    Thread 0x7f67fd718700 (LWP 2959) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  3    Thread 0x7f67fcf17700 (LWP 2960) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  4    Thread 0x7f67f7fff700 (LWP 2961) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  5    Thread 0x7f67f5b04700 (LWP 2962) "gmain" 0x00007f68070f1bf9 in __GI___poll (fds=0x561ebd4b86d0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
  6    Thread 0x7f67f5303700 (LWP 2963) "gdbus" 0x00007f68070f1bf9 in __GI___poll (fds=0x561ebd4cb240, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
  7    Thread 0x7f67d5dcf700 (LWP 2964) "async" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  8    Thread 0x7f67bb7fe700 (LWP 2999) "swap writer" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  9    Thread 0x7f67ce6f6700 (LWP 3009) "paint" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  10   Thread 0x7f67997f9700 (LWP 15102) "pool" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38

Thread 10 (Thread 0x7f67997f9700 (LWP 15102)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007f6807c2189a in g_cond_wait_until () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f6807bae571 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f6807baeb2c in g_async_queue_timeout_pop () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f6807c03c3e in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f6807c03195 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#6  0x00007f68073d56db in start_thread (arg=0x7f67997f9700) at pthread_create.c:463
        pd = 0x7f67997f9700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140082933634816, 3863034539090311501, 140082933631232, 0, 94690123539696, 140720342484384, -3795563010961245875, -3797573487371028147}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimised out>
#7  0x00007f68070fe88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 9 (Thread 0x7f67ce6f6700 (LWP 3009)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007f6807c2177f in g_cond_wait () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x0000561ebb1adccf in ?? ()
No symbol table info available.
#3  0x00007f6807c03195 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f68073d56db in start_thread (arg=0x7f67ce6f6700) at pthread_create.c:463
        pd = 0x7f67ce6f6700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140083821766400, 3863034539090311501, 140083821762816, 0, 94690108459008, 140720342491520, -3795446327974102707, -3797573487371028147}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimised out>
#5  0x00007f68070fe88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 8 (Thread 0x7f67bb7fe700 (LWP 2999)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007f6807c2177f in g_cond_wait () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f680928fdad in ?? () from /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0
No symbol table info available.
#3  0x00007f6807c03195 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f68073d56db in start_thread (arg=0x7f67bb7fe700) at pthread_create.c:463
        pd = 0x7f67bb7fe700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140083504080640, 3863034539090311501, 140083504077056, 0, 94690100291584, 140720342483056, -3795628980048299699, -3797573487371028147}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimised out>
#5  0x00007f68070fe88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 7 (Thread 0x7f67d5dcf700 (LWP 2964)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007f6807c2177f in g_cond_wait () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x0000561ebb3eb36c in ?? ()
No symbol table info available.
#3  0x00007f6807c03195 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f68073d56db in start_thread (arg=0x7f67d5dcf700) at pthread_create.c:463
        pd = 0x7f67d5dcf700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140083946387200, 3863034539090311501, 140083946383616, 0, 94690026614480, 140720342494112, -3795431899568342707, -3797573487371028147}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimised out>
#5  0x00007f68070fe88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 6 (Thread 0x7f67f5303700 (LWP 2963)):
#0  0x00007f68070f1bf9 in __GI___poll (fds=0x561ebd4cb240, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimised out>
#1  0x00007f6807bdb5c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f6807bdb962 in g_main_loop_run () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f6808d640e6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007f6807c03195 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f68073d56db in start_thread (arg=0x7f67f5303700) at pthread_create.c:463
        pd = 0x7f67f5303700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140084471936768, 3863034539090311501, 140084471933184, 0, 94690023656608, 140720342494192, -3795501965517326003, -3797573487371028147}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimised out>
#6  0x00007f68070fe88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 5 (Thread 0x7f67f5b04700 (LWP 2962)):
#0  0x00007f68070f1bf9 in __GI___poll (fds=0x561ebd4b86d0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimised out>
#1  0x00007f6807bdb5c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f6807bdb6dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f6807bdb721 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f6807c03195 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f68073d56db in start_thread (arg=0x7f67f5b04700) at pthread_create.c:463
        pd = 0x7f67f5b04700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140084480329472, 3863034539090311501, 140084480325888, 0, 94690023656448, 140720342493808, -3795503065565824691, -3797573487371028147}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimised out>
#6  0x00007f68070fe88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 4 (Thread 0x7f67f7fff700 (LWP 2961)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007f6807c2177f in g_cond_wait () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f6809257fc3 in ?? () from /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0
No symbol table info available.
#3  0x00007f6807c03195 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f68073d56db in start_thread (arg=0x7f67f7fff700) at pthread_create.c:463
        pd = 0x7f67f7fff700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140084519106304, 3863034539090311501, 140084519102720, 0, 94690023654560, 140720342494000, -3795498136553981619, -3797573487371028147}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimised out>
#5  0x00007f68070fe88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 3 (Thread 0x7f67fcf17700 (LWP 2960)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007f6807c2177f in g_cond_wait () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f6809257fc3 in ?? () from /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0
No symbol table info available.
#3  0x00007f6807c03195 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f68073d56db in start_thread (arg=0x7f67fcf17700) at pthread_create.c:463
        pd = 0x7f67fcf17700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140084602042112, 3863034539090311501, 140084602038528, 0, 94690023654480, 140720342494000, -3795487128552801971, -3797573487371028147}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimised out>
#5  0x00007f68070fe88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 2 (Thread 0x7f67fd718700 (LWP 2959)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007f6807c2177f in g_cond_wait () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f6809257fc3 in ?? () from /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0
No symbol table info available.
#3  0x00007f6807c03195 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f68073d56db in start_thread (arg=0x7f67fd718700) at pthread_create.c:463
        pd = 0x7f67fd718700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140084610434816, 3863034539090311501, 140084610431232, 0, 94690023654400, 140720342494000, -3795483830554789555, -3797573487371028147}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimised out>
#5  0x00007f68070fe88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 1 (Thread 0x7f680c20ce00 (LWP 2956)):
#0  0x00007f68073df384 in __libc_read (fd=25, buf=0x7ffc0206c960, nbytes=256) at ../sysdeps/unix/sysv/linux/read.c:27
        resultvar = 18446744073709551104
        sc_cancel_oldtype = 0
        sc_ret = <optimised out>
        sc_ret = <optimised out>
        nbytes = 256
        resultvar = <optimised out>
        resultvar = <optimised out>
        __arg2 = <optimised out>
        _a3 = <optimised out>
        resultvar = <optimised out>
        resultvar = <optimised out>
        __arg2 = <optimised out>
        _a3 = <optimised out>
        fd = 25
        __arg3 = <optimised out>
        __arg3 = <optimised out>
        buf = 0x7ffc0206c960
        _a1 = <optimised out>
        _a1 = <optimised out>
        sc_ret = <optimised out>
        __arg1 = <optimised out>
        _a2 = <optimised out>
        sc_cancel_oldtype = <optimised out>
        __arg1 = <optimised out>
        _a2 = <optimised out>
        sc_ret = <optimised out>
        resultvar = <optimised out>
        resultvar = <optimised out>
        __arg3 = <optimised out>
        __arg2 = <optimised out>
        __arg1 = <optimised out>
        _a3 = <optimised out>
        _a2 = <optimised out>
        _a1 = <optimised out>
        sc_cancel_oldtype = <optimised out>
        resultvar = <optimised out>
        resultvar = <optimised out>
        __arg3 = <optimised out>
        __arg2 = <optimised out>
        __arg1 = <optimised out>
        _a3 = <optimised out>
        _a2 = <optimised out>
        _a1 = <optimised out>
#1  0x00007f680a850da0 in gimp_stack_trace_print () from /usr/lib/libgimpbase-2.0.so.0
No symbol table info available.
#2  0x0000561ebb120afa in gui_message ()
No symbol table info available.
#3  0x0000561ebb3e812c in gimp_show_message ()
No symbol table info available.
#4  0x0000561ebb1168ab in ?? ()
No symbol table info available.
#5  0x00007f6807be21cd in g_logv () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#6  0x00007f6807be233f in g_log () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#7  0x0000561ebb1fbdc2 in ?? ()
No symbol table info available.
#8  0x00007f6807eb610d in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#9  0x00007f6807ec905e in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#10 0x00007f6807ed1715 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#11 0x00007f6807ed212f in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#12 0x0000561ebb200520 in gimp_display_shell_set_show_all ()
No symbol table info available.
#13 0x0000561ebb201307 in ?? ()
No symbol table info available.
#14 0x00007f6807ebb900 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#15 0x00007f6807ebd5c0 in g_object_new_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#16 0x00007f6807ebd939 in g_object_new () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#17 0x0000561ebb1fe7d1 in gimp_display_shell_new ()
No symbol table info available.
#18 0x0000561ebb1fc76c in gimp_display_new ()
No symbol table info available.
#19 0x0000561ebb11b539 in ?? ()
No symbol table info available.
#20 0x0000561ebb15b2cc in ?? ()
No symbol table info available.
#21 0x00007f6807eb610d in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#22 0x00007f6807ec905e in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#23 0x00007f6807ed1715 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#24 0x00007f6807ed212f in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#25 0x00007f6807eb610d in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#26 0x00007f6807ec905e in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#27 0x00007f6807ed1715 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#28 0x00007f6807ed212f in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#29 0x00007f680b7ec6f5 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#30 0x00007f6807eb610d in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#31 0x00007f6807ec912e in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#32 0x00007f6807ed1715 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#33 0x00007f6807ed212f in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#34 0x00007f680b7eb679 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#35 0x00007f680b89138b in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#36 0x00007f6807eb610d in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#37 0x00007f6807ec8de8 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#38 0x00007f6807ed10af in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#39 0x00007f6807ed212f in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#40 0x00007f680b9a72bc in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#41 0x00007f680b88f62c in gtk_propagate_event () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#42 0x00007f680b88fa2b in gtk_main_do_event () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#43 0x00007f680b50502c in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
No symbol table info available.
#44 0x00007f6807bdb417 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#45 0x00007f6807bdb650 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#46 0x00007f6807bdb962 in g_main_loop_run () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#47 0x0000561ebb116470 in app_run ()
No symbol table info available.
#48 0x0000561ebb115d3c in main ()
No symbol table info available.

```

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

-- 
You received this bug notification because you are a member of Edubuntu
Bugsquad, which is subscribed to gimp in Ubuntu.
https://bugs.launchpad.net/bugs/1868136

Title:
   Critical error when opening a new,empty image:
  gimp_display_shell_flush: assertion 'GIMP_IS_DISPLAY_SHELL (shell)'
  failed

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