From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Ben Gamari <bgamari.foss@gmail.com>
Cc: linux-kernel@vger.kernel.org,
pm list <linux-pm@lists.linux-foundation.org>
Subject: Re: [REGRESSION 2.6.34] Suspend fails in pm_test=processor on Dell laptop
Date: Wed, 21 Apr 2010 06:51:19 +0200 [thread overview]
Message-ID: <201004210651.20056.rjw@sisk.pl> (raw)
In-Reply-To: <201004200533.13219.rjw@sisk.pl>
On Tuesday 20 April 2010, Rafael J. Wysocki wrote:
> On Sunday 18 April 2010, Ben Gamari wrote:
> > Hey all,
> >
> > It seems that something in the 2.6.34 merge cycle has broken suspend to RAM on
> > my Dell Latitude D830. While suspend has been rock solid for several release
> > cycles, as of 2.6.34-rc4 it locks up on suspend. All of the pm_test options up
> > to processor work fine, precluding a driver issue.
>
> Hmm, does the "processors" work?
Sorry, the subject says it doesn't.
> > Unfortunately, I've been unable to get any useful output from the serial
> > console during suspend. I'll try bisecting and report back when I have more
> > details. Let me know what else I can do to help.
>
> I can't reproduce this, so it looks hardware or BIOS-related. Or it's an
> obscure x86 bug.
Does switching CPU1 on/off by echoing 0/1 to
/sys/devices/system/cpu/cpu1/online
work?
Rafael
next prev parent reply other threads:[~2010-04-21 4:50 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-18 14:53 Ben Gamari
2010-04-20 3:33 ` Rafael J. Wysocki
2010-04-21 4:51 ` Rafael J. Wysocki [this message]
2010-04-20 19:28 ` Maciej Rutecki
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