Hello,
David Greaves wrote:
> Just to be clear. This problem is where my system won't resume after s2d
> unless I umount my xfs over raid6 filesystem.
This is really weird. I don't see how xfs mount can affect this at all.
[--snip--]
> So now this compiles but it does cause the problem:
>
> umount /huge
> echo platform > /sys/power/disk
> echo disk > /sys/power/state
> # resumes fine
>
> mount /huge
> echo platform > /sys/power/disk
> echo disk > /sys/power/state
> # won't resume
How hard does the machine freeze? Can you use sysrq? If so, please
dump sysrq-t.
> Behavior difference introduced by the
>> reimplementation is serialization of resume sequence, so it takes more
>> time. My test machine had problems resuming if resume took too long
>> even with the previous implementation. It didn't matter whether the
>> long resuming sequence is caused by too many controllers or explicit
>> ssleep(). If time needed for resume sequence is over certain threshold,
>> machine hangs while resuming. I thought it was a BIOS glitch and didn't
>> dig into it but you might be seeing the same issue.
> given the mount/umount thing this sounds unlikely... but what do I know?
No I don't think this is the same problem either. The problem I
described happened during resume from s2ram.
> resume does throw up:
> ATA: abnormal status 0x7F on port 0x0001b007
> ATA: abnormal status 0x7F on port 0x0001b007
> ATA: abnormal status 0x7F on port 0x0001a407
> ATA: abnormal status 0x7F on port 0x0001a407
>
> which I've not noticed before... oh, alright, I'll check...
> reboots to 2.6.21, suspend, resume...
> nope, not output on resume in 2.6.21
The messages don't really matter.
Thanks.
--
tejun
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