[Bug 104632] [kbl] GPU HANG: ecode 9:0:0x85dffffb, in X

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=104632

--- Comment #3 from Janusz <bugsfreedesktop at januszmk.pl> ---
(In reply to Elizabeth from comment #2)
> Hello Janusz, what was the device doing when the hang happened? Is this
> reproducible? What distro, desktop environment and mesa version are you
> using? If reproducible have you tried the parameter 'intel_iommu=igfx_off'
> on grub? Thanks.

It only happened on one day but few times. Open apps: Phpstorm, firefox,
telegram, spotify, urxvt
my env: gentoo, i3wm with compton and mesa 17.3.1
hw: thinkpad x1 carbon 5th with i7 7600u
for the iommu parameter, I have in kernel:
# CONFIG_INTEL_IOMMU is not set
Didn't had it again since

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