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Date: Wed, 25 Apr 2007 21:45:44 +0800
From: "Jeff Chua" <jeff.chua.linux@gmail.com>
To: "Ingo Molnar" <mingo@elte.hu>
Subject: Re: [3/3] 2.6.21-rc7: known regressions (v2)
Cc: "Andrew Morton" <akpm@linux-foundation.org>,
       "Adrian Bunk" <bunk@stusta.de>,
       "Linus Torvalds" <torvalds@linux-foundation.org>,
       "Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>,
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       "Thomas Gleixner" <tglx@linutronix.de>,
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       "Mikael Pettersson" <mikpe@it.uu.se>, ak@suse.de, discuss@x86-64.org,
       pavel@suse.cz, linux-pm@lists.linux-foundation.org,
       "Dave Jones" <davej@redhat.com>,
       "Eric W. Biederman" <ebiederm@xmission.com>,
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On 4/25/07, Ingo Molnar <mingo@elte.hu> wrote:
>
> * Andrew Morton <akpm@linux-foundation.org> wrote:
>
> > > Subject    : suspend to disk hangs  (CONFIG_NO_HZ)
> > > References : http://lkml.org/lkml/2007/3/25/217
> > > Submitter  : Jeff Chua <jeff.chua.linux@gmail.com>
> > > Status     : unknown
> >
> > That's still rather a lot of bustage from the timekeeping changes.  Is
> > anything really happening here or have we all given up?
>
> Jeff: does that suspend-to-disk hang problem also happen if you use
> hpet=disable?

Yes, it is still broken with HPET disabled.

I've reported that if I press some keys, suspend will complete
successfully, otherwise, it'll just hang before the "percentage" comes
on.

Thanks,
Jeff.