Comment # 35
on bug 101691
from Alex_Zhang1@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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