Thank you for the info.
I confirm that downgrading the following packages to 1.8.3-3:
fixes completely my (fvwm) window manager crashes.
I have marked on 'hold' the above packages to prevent upgrades until it gets fixed.
A huge number of packages depend on this library, so I hope the regression will be addressed.
On 3/14/23 18:14, Mark Hindley wrote:
> Control: reassign -1 libx11
> Control: forcemerge 746 -1
> Thanks for this.
> On Tue, Mar 14, 2023 at 03:57:53PM +0100, Stefan Schippers wrote:
>> Package: xserver-xorg-core
>> The bug seems not related to xorg but to the fvwm window manager crash. I ran the window manager with gdb and was able to reliably make it crash by some mouse activity.
>> (gdb) run
>> Starting program: /usr/bin/fvwm
>> [Thread debugging using libthread_db enabled]
>> Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
>> [Detaching after fork from child process 4851]
>> [Detaching after vfork from child process 4864]
>> Warning: Arg --fvwm-icons is obsolete and ignored
>> Python module python-xdg not found.fvwm: ../../src/xcb_io.c:626: _XAllocID: Assertion `ret != inval_id' failed.
> Actually, this appears the same as #746. In particular see
> https://bugs.devuan.org/cgi/bugreport.cgi?bug=746#101 which is the same error in German.
> Klaus reported it to Debian. He also worked around by downgrading
> libx11-6, libx11-data and libx11-xcb1.
>  http://bugs.devuan.org/746
>  https://bugs.debian.org/1032379
>  https://bugs.devuan.org/cgi/bugreport.cgi?bug=746#121