Your message dated Tue, 17 Nov 2020 10:47:04 +0000
with message-id <[email protected]>
and subject line Re: Bug#908446: Assertion failure accessing pixel-bytes of 
default-constructed GdkPixbuf: data != NULL || size == 0
has caused the Debian Bug report #908446,
regarding Assertion failure accessing pixel-bytes of default-constructed 
GdkPixbuf: data != NULL || size == 0
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
908446: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=908446
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Source: gtk+3.0
Version: 3.24.0-1
Severity: serious
Justification: fails to build from source

While trying to address #908120 by reverting upstream commit 49b17e6c
"imwayland: clear preedit on focus out", I hit this unrelated test
failure (sorry, no debug symbols yet):

% debian/build/deb/libtool --mode=execute gdb 
debian/build/deb/testsuite/gtk/defaultvalue
...
(gdb) run
...
/Default Values/GdkPixbufError: OK
/Default Values/GdkPixbufFormat: OK
/Default Values/GdkPixbuf:
(/srv/tmp/smcv/build-area/gtk+3.0-3.24.0/debian/build/deb/testsuite/gtk/.libs/defaultvalue:8467):
 GLib-CRITICAL **: 00:19:27.089: g_bytes_new: assertion 'data != NULL || size 
== 0' failed

Thread 1 "defaultvalue" received signal SIGTRAP, Trace/breakpoint trap.
0x00007ffff61779f5 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
(gdb) bt
#0  0x00007ffff61779f5 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007ffff6178d0d in g_logv () at 
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff6178edf in g_log () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff614ad68 in g_bytes_new () at 
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffff6ce4450 in  () at 
/usr/lib/x86_64-linux-gnu/libgdk_pixbuf-2.0.so.0
#5  0x00007ffff625c8b8 in g_object_get_property () at 
/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#6  0x0000555555558838 in test_type (data=<optimized out>) at 
../../../../../testsuite/gtk/defaultvalue.c:373
#7  0x00007ffff6198e7a in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007ffff6198d34 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007ffff6199132 in g_test_run_suite () at 
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007ffff6199151 in g_test_run () at 
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x000055555555779b in main (argc=<optimized out>, argv=<optimized out>)
    at ../../../../../testsuite/gtk/defaultvalue.c:495

Downgrading libgdk-pixbuf2.0-dev and closely related packages from
2.38.0+dfsg-4 to 2.36.12-2 resolves this. This might be either a
gdk-pixbuf or gtk+3.0 bug, I'm not sure yet.

Regards,
    smcv

--- End Message ---
--- Begin Message ---
Version: 2.40.0+dfsg-1

On Mon, 10 Sep 2018 at 01:04:35 +0100, Simon McVittie wrote:
> Control: forwarded -2 https://gitlab.gnome.org/GNOME/gdk-pixbuf/issues/91

Fixed in 2.40.0 a while ago.

    smcv

--- End Message ---

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