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Bug#860012: marked as done (kwin-x11: kwin hangs randomly (drm:intel_pipe_update_end [i915]] Atomic update failure on pipe A))

Your message dated Fri, 16 Jun 2017 13:00:59 +0200
with message-id <20170616110059.3mcylm5yr76okjl3@neoptolemo.gnuservers.com.ar>
and subject line Re: Bug#860012: kwin-x11: kwin hangs randomly (drm:intel_pipe_update_end [i915]] Atomic update failure on pipe A)
has caused the Debian Bug report #860012,
regarding kwin-x11: kwin hangs randomly (drm:intel_pipe_update_end [i915]] Atomic update failure on pipe A)
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.

(NB: If you are a system administrator and have no idea what this
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misconfiguration somewhere. Please contact owner@bugs.debian.org
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-- 
860012: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=860012
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: kwin-x11
Version: 4:5.8.6-1
Severity: important


Hello,

The last 8 months or so kwin_x11 has been hanging randomly probably at least once a day. The screen just freezes mid-operation and doesn't update anymore; but I can still switch to a non-x11 console. The hangups occur when switching desktops or on some websites in Firefox that are graphics intense or have video.

I think the bug is related to the graphics driver code, because there's often a line in the logs around the time freezes happen. Here's one from today:

[Mon Apr 10 11:09:48 2017] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe A (start=20652 end=20653) time 355 us, min 1192, max 1199, scanline start 1176, end 1202


The computer is a fairly old system with the Intel Q35 Chipset and uses the default Intel drivers:

[drm] Initialized i915 1.6.0 20160919 for 0000:00:02.0 on minor 0


Killing kwin from a non-X11 console (with `kwin_x11 --replace`) brings back the system – minus some programs that don't like that approach, so I assume the bug is in kwin or perhaps the Intel driver for i915. I have seen other references to "Atomic update failure on pipe ..." in bug reports in diverse places on the net, but no clear solution.


Thanks for your time,

  Wouter


-- System Information:
Debian Release: 9.0
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 4.9.0-2-amd64 (SMP w/2 CPU cores)
Locale: LANG=C.UTF-8, LC_CTYPE=nl_BE.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages kwin-x11 depends on:
ii  kwin-common           4:5.8.6-1
ii  libc6                 2.24-9
ii  libepoxy0             1.3.1-2
ii  libgcc1               1:6.3.0-11
ii  libkf5configcore5     5.28.0-2
ii  libkf5coreaddons5     5.28.0-2
ii  libkf5crash5          5.28.0-1
ii  libkf5i18n5           5.28.0-2
ii  libkf5windowsystem5   5.28.0-2
ii  libkwinglutils9       4:5.8.6-1
ii  libkwinxrenderutils9  4:5.8.6-1
ii  libqt5core5a          5.7.1+dfsg-3+b1
ii  libqt5gui5            5.7.1+dfsg-3+b1
ii  libqt5widgets5        5.7.1+dfsg-3+b1
ii  libqt5x11extras5      5.7.1~20161021-2
ii  libstdc++6            6.3.0-11
ii  libx11-6              2:1.6.4-3
ii  libxcb-cursor0        0.1.1-3
ii  libxcb-randr0         1.12-1
ii  libxcb-xfixes0        1.12-1
ii  libxcb1               1.12-1
ii  libxi6                2:1.7.9-1

kwin-x11 recommends no packages.

kwin-x11 suggests no packages.

-- no debconf information

--- End Message ---
--- Begin Message --- 
¡Hola Wouter!

El 2017-04-10 a las 11:35 +0300, Wouter Van Hemel escribió:
Package: kwin-x11 Version: 4:5.8.6-1 Severity: important
The last 8 months or so kwin_x11 has been hanging randomly probably at least once a day. The screen just freezes mid-operation and doesn't update anymore; but I can still switch to a non-x11 console. The hangups occur when switching desktops or on some websites in Firefox that are graphics intense or have video.
I think the bug is related to the graphics driver code, because there's often a line in the logs around the time freezes happen. Here's one from today:
[Mon Apr 10 11:09:48 2017] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe A (start=20652 end=20653) time 355 us, min 1192, max 1199, scanline start 1176, end 1202
The computer is a fairly old system with the Intel Q35 Chipset and uses the default Intel drivers: 


[drm] Initialized i915 1.6.0 20160919 for 0000:00:02.0 on minor 0
Killing kwin from a non-X11 console (with `kwin_x11 --replace`) brings back the system – minus some programs that don't like that approach, so I assume the bug is in kwin or perhaps the Intel driver for i915. I have seen other references to "Atomic update failure on pipe ..." in bug reports in diverse places on the net, but no clear solution.
Sorry, but I don't think this is related to kwin (other than kwin exercising your video drivers). 

The mentioned issue seems to be a recurring problem with the intel drivers:
https://bugs.freedesktop.org/show_bug.cgi?id=91883
https://bugzilla.redhat.com/show_bug.cgi?id=1375399
https://bbs.archlinux.org/viewtopic.php?id=214177
It might be worth checking the workarounds published by the affected users, in particular adding setting the module option "i915.enable_psr=0" seems to have helped a number of users.
And if that fails, consider adding more information to the upstream bug (freedesktop), or to the xserver-xorg-video-intel Debian package. Btw, have you already tried switching to xserver-xorg-video-modesetting?
I don't think there is anything to do on the kwin side, as such I'm closing the issue. 

Happy hacking,
--
"It's a well-known fact that computing devices such as the abacus were
invented thousands of years ago. But it's not well known that the first use of
common computer protocol occurred in the Old Testament. This, of course, was
when Moses aborted the Egyptians' process with a control-sea."
-- Tom Galloway (recs.arts.comics, February 1992)
Saludos /\/\ /\ >< `/

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