[Bug 104892] New: GPU hang in openSUSE 42.3

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=104892

            Bug ID: 104892
           Summary: GPU hang in openSUSE 42.3
           Product: DRI
           Version: XOrg git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: juha.vuori at pp2.inet.fi
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 137097
  --> https://bugs.freedesktop.org/attachment.cgi?id=137097&action=edit
system log

During the last months, graphical KDE sessions in my old HP server running
openSUSE 42.3 have started to crash occasionally for GPU problem.
It seems to be triggered more often when a new rich graphical program, like
Firefox, is opened (by rich I mean many graphical objects visible, like menus,
buttons, icons etc.).
The GUI screen just freezes totally: mouse is not moving and keystokes won't
get thru. Then, some kind of recovery operation starts: the screen goes black
for a couple of seconds and kind of restarts. Sometimes the restarted screen is
fully functional again, sometimes the screen is still frozen and the restart
operation happens again and again between around 1 minutes.
Sometimes the screen is never recovered, but today this occurred so that the
screen returned functional after restarts and I was able to capture some debug
data, which are attached:
- HP.messages.20180201.txt contains /var/log/messages data covering the problem
window time
- HP.20180201.sys.class.drm.card0.error contains /sys/class/drm/card0/error
(GPU crash dump)
Some info of the hardware/software:
The machine is HP model dc5700 Microtower, so pretty old and modest graphical
card.
One thing I changed around the time the problem started to happen was that I
added and extension wire to the VGA connection (PC to monitor), but I am quite
sure the problem is not related to that.
SW info:

HP:~ # uname -a
Linux HP 4.4.104-39-default #1 SMP Thu Jan 4 08:11:03 UTC 2018 (7db1912) x86_64
x86_64 x86_64 GNU/Linux

Can you find any root cause for the problem by analysing the data?

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