* i830 agpgart oddities
@ 2004-01-21 14:27 Lukas Hejtmanek
0 siblings, 0 replies; only message in thread
From: Lukas Hejtmanek @ 2004-01-21 14:27 UTC (permalink / raw)
To: linux-kernel
Hello,
does anyone have an idea about following odd reset?
I've tried suspend-to-disk. If I'm using agpgart and X server then resume simply
resets whole system (no oops).
If I change resume so that it restores pages from higher addresses to lower then
it is all ok.
If I start restoring at 0xc0000000 and ending at 0xcee00000 then it resets at
about 0xcb8ab000. If I start restoring at 0xcee00000 down to 0xc0000000 then it
is ok and system is back ok as well.
I have no idea why it depends on order of pages while interrupts are disabled
and I'm only copying memory pages.
--
Lukáš Hejtmánek
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