[Bug 95063] [SKL] random system hang with RC6 enabled

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Oct 25 13:00:06 UTC 2018


https://bugs.freedesktop.org/show_bug.cgi?id=95063

--- Comment #28 from Lakshmi <lakshminarayana.vudum at intel.com> ---
(In reply to Tomas Janousek from comment #27)
> I'm getting a similar thing occasionally with a docked ThinkPad T25 (Kaby
> Lake). If it's not docker, this never occurs. I do have GuC/HuC firmwares
> loaded. The error looks like this:

There are few bugs related to this error (FIFO underrun) are open and few are
closed as it got resolved with the latest drm-tip.
Can you please elaborate the issue like what are steps that caused this error?
What is the impact of this error? 
Also, have you verified this issue with latest drm-tip?

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