https://bugs.freedesktop.org/show_bug.cgi?id=101691
--- Comment #35 from alex_zha...@dell.com ---
(In reply to Ben Widawsky from comment #34)
> Just some thoughts...
>
> The corruption are x-tiled cachelines, looks like stale ones. I don't know
> what the vertical lines are. It looks to me like the memory is just
> misbehaving. I wonder if when you plug in the machine if BIOS tries to crank
> up DDR, or Graphics voltage. Is there some BIOS setting or update to tweak
> what happens on AC?
>
> Is this desktop environment using sprite planes? If the compositor is using
> all one plane (which I think is likely), and display was at fault,
> everything would be corrupt.
>
>
> So please see if there is anything that can be done in BIOS to tell it to
> not behave differently when on AC.
Hi Ben,
Has info the message to ODM. Is there any item in vbios concerning power?
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