Comment # 19
on bug 107065
from Andrey Grodzovsky
(In reply to Andrey Grodzovsky from comment #18) > (In reply to dwagner from comment #17) > > Interesting observation: If I first switch from the X11 display to the > > console display (with Alt-F2), and then enter "echo mem >/sys/power/state" > > on the console, above described crashes upon S3 resume do not occur, and I > > do not see the "[TTM] Buffer eviction failed" in the kernel log, neither > > with vm_update_mode=0, nor with vm_update_mode=3. > > > > Switching back to the X11 display after a successful S3 resume to the > > console also works fine. > > > > What could be the relevant difference here? > > Well, there is no acceleration involved when in console mode. So maybe this > has something to do with it. > > Anyway, i am sidetracked a bit by an internal requirement but once i finish > I will get back to this issue especially because I got another report with > the same failure as you describe. I was able to reproduce this instantly without even using page tables CPU update mode. Looks like a regression since S3 was working fine for long time. Were you able to find a regression point for this ?
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