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SubjectRe: [2.6.0-test8] Difference between Software Suspend and Suspend-to-disk?
Felipe Alfaro Solana <> writes:

>> >> Software Suspend (EXPERIMENTAL)
>> >> Suspend-to-Disk Support
>> >
>> > They're competing implementations of the same mechanism.
>> And neither one works reliably, I might add. They both appear to save
>> the current state to disk, but no matter what I try, I can't make it
>> resume properly.
> Yep! I must say I cannot resume my system from disk. The kernel always
> complains about failing when trying to resume from disk. Also, after
> suspending to disk, the swap partition is completely valid, and I don't
> need to "mkswap" it. On previous releases of the kernel, when STD
> worked, trying to skip resume from disk left the swap partition unusable
> (as expected after dumping memory to the swap file).

Same here. I recall seeing a patch that did something to sync the
disks before powering off. Maybe it's related. I'll dig out the
patch and see what it's all about.

Måns Rullgård

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