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Bug#882512: marked as done (kwin-x11: stops drawing window content after some time)

Your message dated Mon, 10 Oct 2022 23:06:12 +0200
with message-id <CE20031E-1374-49EF-A86E-8A412E06DE6D@coucouf.fr>
and subject line Fixed upstream
has caused the Debian Bug report #882512,
regarding kwin-x11: stops drawing window content after some time
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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-- 
882512: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=882512
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: kwin-x11
Version: 4:5.8.6-1
Severity: important
Forwarded: https://bugs.kde.org/show_bug.cgi?id=343661

Hi,

after some time my kde session stops redrawing some windows. I see this
mostly in konsole and firefox (which are the majority of my long-running
open windows). Clicking and typing is still working, but updates causes
by this are only seen after forcing a redraw by e.g.
minimizing+unminimizing, switching to another tab and back in konsole,
...
Sometimes a firefox window also becomes completely black (but title and
border are still OK), which can be fixed by minimizing and unminimizing.

This time it took 4 days since the last reboot and X session start for
the problem to show up for the first time.

The workaround from the corresponding upstream bug is

    KWIN_EXPLICIT_SYNC=0 kwin_x11 --replace &

This is working, but not a permanent fix, it may need to be repeated
after some days since the problem reappears from time to time (within
the same X session).

I haven't played with any compositing options since I upgraded to
stretch, not sure if I changed something in wheezy or jessie.


Andreas

-- System Information:
Debian Release: 9.2
  APT prefers stable-updates
  APT policy: (800, 'stable-updates'), (800, 'stable'), (700, 'testing'), (600, 'unstable'), (500, 'unstable-debug'), (500, 'testing-debug'), (500, 'stable-debug'), (500, 'oldstable-updates'), (500, 'oldstable-proposed-updates'), (500, 'oldoldstable-updates'), (500, 'oldoldstable-proposed-updates'), (500, 'oldoldstable'), (500, 'oldstable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.9.0-4-amd64 (SMP w/8 CPU cores)
Locale: LANG=C, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE= (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: sysvinit (via /sbin/init)

--- End Message ---
--- Begin Message --- control: fixed -1 4:5.25.5-1
--- End Message ---
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