On 03/09/2010 03:41 PM, Nix wrote:
On 7 Mar 2010, Hramrach verbalised:
I have upgraded the system to get KMS working and now the system would
lockup about once in three tries when doing suspend to disk/resume.
I suspect this is related to KMS but I had to upgrade quite a bit of
stuff to get it working so I cannot be sure.
Bug<https://bugs.freedesktop.org/show_bug.cgi?id=26872> is a bisection
of a 100%-reproducible (for me) lockup in KMS suspension in 2.6.33. It
may be related. (Then again it may not: your lockup is not consistently
reproducible. I'm not sure how we can get useful debugging info out at
freeze time. Will even a netconsole work?)
Mine does not seem to be caused by KMS, the same kernel locks up on
suspend without KMS.
Also I see a pattern with the lockups: when I test if suspend/resume is
working it does not lockup most of the time but when I am finished with
testing and start normal applications (most notably Firefox) the system
locks up on suspend most of the time.
I do not see any messages at the point when the sytem locks up.
The only message on the screen is
s2disk: Snapshotting system.
Normally I get additional messages before and after this message but in
this case it stays indefinitely with the fan running at top speed.
Thanks
Michal
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