Re: [PATCH v2] Add suspend/resume for HPET

From: Thomas Gleixner
Date: Sat Mar 31 2007 - 12:10:27 EST


On Sun, 2007-04-01 at 00:01 +0800, Jeff Chua wrote:
> On 3/31/07, Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:
>
> > Jeff still seems to have problems with CONFIG_NO_HZ=n and it might be
> > caused by time keeping / tick management resume happening before the
> > HPET resume.
>
>
> me>Confirmed that suspend/resume disk/ram works on X60s with
> me>CONFIG_HPET_TIMER=y and CONFIG_NO_HZ unset.
> me> But suspend to disk still hang with CONFIG_NO_HZ unset.
>
>
> Oops, sorry. Typo (as a result copy/paste using mouse)
> ... I actually meant CONFIG_NO_HZ "set".
>
> Just to be clear, suspend to disk still hang with CONFIG_NO_HZ=y. It
> hang just before you see the percent saving %.

Ah, that's a different one then. In that path the timers should be
alive, but who knows.

tglx


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