From: Ingo Molnar <mingo@elte.hu>
To: Nico Schottelius <nico-linux-20100709@schottelius.org>,
mingo@redhat.com, hpa@zytor.com, linux-kernel@vger.kernel.org,
a.p.zijlstra@chello.nl, torvalds@linux-foundation.org,
peterz@infradead.org, flo@xssn.at, lenb@kernel.org,
jbarnes@virtuousgeek.org, suresh.b.siddha@intel.com,
tglx@linutronix.de, rjw@sisk.pl,
linux-tip-commits@vger.kernel.org
Subject: Re: [tip:sched/urgent] x86, tsc: Fix a preemption leak in restore_sched_clock_state()
Date: Mon, 13 Sep 2010 10:46:19 +0200 [thread overview]
Message-ID: <20100913084619.GC23741@elte.hu> (raw)
In-Reply-To: <20100913074233.GA2674@schottelius.org>
* Nico Schottelius <nico-linux-20100709@schottelius.org> 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@infradead.org>
> > AuthorDate: Fri, 10 Sep 2010 22:32:53 +0200
> > Committer: Ingo Molnar <mingo@elte.hu>
> > CommitDate: Sat, 11 Sep 2010 09:47:07 +0200
> >
> > x86, tsc: Fix a preemption leak in restore_sched_clock_state()
>
> running 2.6.36-rc3-00464-g84e1d83 now, which includes that fix.
>
> So far no resume issues, but the backlight does not power on again,
> if the lid is opened.
That's probably unrelated.
> Manually triggering display backlight increase (via fn-home) changes
> it to 100% though.
>
> I've not seen that behaviour for a very long time and never on the
> X201. It has been an issue on the X200, which means probably around
> 2.6.30.
Might make sense to bisect it ... as long as you remember to do this at
every bisection step that has the hung-suspend bug:
git cherry-pick 55496c896b8a695140045099d4e0175cf09d4eae
Thanks,
Ingo
next prev parent reply other threads:[~2010-09-13 8:47 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-10 5:36 2.6.36-rc3 suspend issue (was: 2.6.35-rc4 / X201 issues) Jeff Chua
2010-09-10 7:48 ` Peter Zijlstra
2010-09-10 11:53 ` Jeff Chua
2010-09-10 12:05 ` Peter Zijlstra
2010-09-10 17:19 ` Jeff Chua
2010-09-10 20:32 ` [PATCH] x86, tsc: Fix a preemption leak in restore_sched_clock_state() Peter Zijlstra
2010-09-10 21:01 ` Suresh Siddha
2010-09-11 0:59 ` Jeff Chua
2010-09-11 7:49 ` [tip:sched/urgent] " tip-bot for Peter Zijlstra
2010-09-13 7:42 ` Nico Schottelius
2010-09-13 8:46 ` Ingo Molnar [this message]
2010-09-13 22:56 ` Jeff Chua
2010-09-15 8:03 ` Nico Schottelius
2010-09-28 11:59 ` 2.6.36-rc3-00464-g84e1d83 resume issue (was: [tip:sched/urgent] x86, tsc: Fix a preemption leak in restore_sched_clock_state()) Nico Schottelius
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