[Bug 90835] [4.1-rc6] gpu hang: ecode 6:-1:0x00000000, Kicking stuck semaphore on render ring
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Thu Jun 4 02:10:24 PDT 2015
https://bugs.freedesktop.org/show_bug.cgi?id=90835
--- Comment #3 from Martin Steigerwald <Martin at Lichtvoll.de> ---
Chris, its really that for me 4.1-rc6 makes things much *worse*. I am typing
this after a clean reboot and already got the GPU hang again. It happens about
every few minutes. Are you really sure this is the same GPU hang as in bug
54226? I didnĀ“t have this before 4.1 kernel?
Also I note that I still use
Option "AccelMethod" "uxa"
and I have
martin at merkaba:~> cat /etc/modprobe.d/i915-kms.conf
options i915 modeset=1 i915_enable_rc6=7
thus maximum energy saving. But according to powertop it never enters the
highed sleep state anyway.
I will remove the AccelMethod setting now and see whether it helps. If not, I
downgrade to 4.1-rc4 for now, as issues have been at least much less frequent
with it.
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