Created attachment 136722 [details]
gpu dump crash

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.

(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

Thanks for the update Janusz, I will leave this open for a while in case there are more sighting of this issue.

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