I just hit another GPU HANG, this time with the "intel" driver instead
of the "modesetting" driver. The kernel log file (/var/log/kern.log)
shows:
Apr 6 08:59:36 tower kernel: [44387.837794]
--------------------------------------------
[drm] GPU HANG: ecode 9:0:0x85dffffa, in Xorg [1751],
reason: Hang on rcs0, action: reset
i915 0000:00:02.0: Resetting rcs0 after gpu hang
[drm:gen8_reset_engines [i915]] *ERROR* rcs0: reset request timeout
i915 0000:00:02.0: Resetting chip after gpu hang
asynchronous wait on fence i915:compiz[3304]/1:56366 timed out
[drm:gen8_reset_engines [i915]] *ERROR* rcs0: reset request timeout
[drm:i915_reset [i915]] *ERROR* Failed to reset chip: -5
Now I will try with the hardware acceleration disabled, still using the
"intel" driver, as follows (/etc/X11/xorg.conf):
---------------------------------------------------------------
# Tries "intel" instead of "modesetting" driver to fix GPU HANG
# https://bugs.launchpad.net/ubuntu/+source/xorg-server-hwe-16.04/+bug/1724047
Section "Device"
Identifier "Intel Graphics"
Driver "intel"
# Disables acceleration
Option "NoAccel" "True"
# Disables only 3D acceleration (Direct Rendering Infrastructure)
# Option "DRI" "False"
EndSection
---------------------------------------------------------------
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https://bugs.launchpad.net/bugs/1724047
Title:
xserver terminates frequently, journal says drm/i915: Resetting chip
after gpu hang
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