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SubjectRe: [3/6] 2.6.21-rc4: known regressions
On 3/26/07, Adrian Bunk <> wrote:

> > Resume from RAM (s2ram) still broke (tried with or without
> > CONFIG_NO_HZ). Suspend to RAM seems ok, but upon resume, the screen
> > will only display "inu" and only after pressing the power button will
> > the system return to console. But "date" still doesn't advance.
> This might be related to the following regression:
> Subject : first disk access after resume takes several minutes
> ('date' does not advance after resume from RAM, CONFIG_NO_HZ=n)
> References :
> Submitter : Michael S. Tsirkin <>
> Handled-By : Thomas Gleixner <>
> Ingo Molnar <>
> Status : problem is being debugged


It's related. I tested without CONFIG_HPET_TIMER, and now my X60 can
suspend and resume from RAM (s2ram). Even better, it works
with/without CONFIG_NO_HZ.

But, suspend to disk still broke with CONFIG_NO_HZ set.

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