Re: [tip:sched/urgent] x86, tsc: Fix a preemption leak in restore_sched_clock_state()

[Nico Schottelius <nico-linux-20100709@xxxxxxxxxxxxxxx>]

Jeff Chua [Tue, Sep 14, 2010 at 06:56:42AM +0800]:
> On Mon, Sep 13, 2010 at 4:46 PM, Ingo Molnar <mingo@xxxxxxx> wrote:
> >
> > * Nico Schottelius <nico-linux-20100709@xxxxxxxxxxxxxxx> wrote:
> >
> >> Good morning,
> >>
> >> tip-bot for Peter Zijlstra [Sat, Sep 11, 2010 at 07:49:07AM +0000]:
> >> > Commit-ID:  55496c896b8a695140045099d4e0175cf09d4eae
> >> > Gitweb:     http://git.kernel.org/tip/55496c896b8a695140045099d4e0175cf09d4eae
> >> > Author:     Peter Zijlstra <peterz@xxxxxxxxxxxxx>
> >> > AuthorDate: Fri, 10 Sep 2010 22:32:53 +0200
> >> > Committer:  Ingo Molnar <mingo@xxxxxxx>
> >> > CommitDate: Sat, 11 Sep 2010 09:47:07 +0200
> >> >
> >> > x86, tsc: Fix a preemption leak in restore_sched_clock_state()
> 
> > Might make sense to bisect it ... as long as you remember to do this at
> > every bisection step that has the hung-suspend bug:
> 
> Have you tried just running "echo mem >/sys/power/state" to see if that works?

I'm using pm-suspend, which probably does nothing else.

The strange thing though is that I cannot reproduce the bachlight off
situation anymore :-/

Will keep an eye on it and report back if I see anything not working.

Regarding suspend: No crash so far! (after about 10-15 suspend & resumes)

Cheers,

Nico

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