From: Andrew Morton <akpm@osdl.org>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Pavel Machek <pavel@ucw.cz>, LKML <linux-kernel@vger.kernel.org>,
Linux ACPI <linux-acpi@vger.kernel.org>
Subject: Re: 2.6.18-rc4 (and earlier): CMOS clock corruption during suspend to disk on i386
Date: Wed, 9 Aug 2006 13:12:32 -0700 [thread overview]
Message-ID: <20060809131232.75a260e1.akpm@osdl.org> (raw)
In-Reply-To: <200608092201.42885.rjw@sisk.pl>
On Wed, 9 Aug 2006 22:01:42 +0200
"Rafael J. Wysocki" <rjw@sisk.pl> wrote:
> On Wednesday 09 August 2006 14:30, Pavel Machek wrote:
> > Hi!
> > >
> > > It looks like the CMOS clock gets corrupted during the suspend to disk
> > > on i386. I've observed this on 2 different boxes. Moreover, one of them is
> > > AMD64-based and the x86_64 kernel doesn't have this problem on it.
> > >
> > > Also, I've done some tests that indicate the corruption doesn't occur before
> > > saving the suspend image. It rather happens when the box is powered off
> > > or rebooted (tested both cases).
> > >
> > > Unfortunately, I have no more time to debug it further right now.
> >
> > Do you have Linus' "please corrupt my cmos for debuggin" hack enabled?
>
> Well, I know nothing about that. ;-)
>
CONFIG_PM_TRACE=y will scrog your CMOS clock each time you suspend.
next prev parent reply other threads:[~2006-08-09 20:12 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-09 12:26 2.6.18-rc4 (and earlier): CMOS clock corruption during suspend to disk on i386 Rafael J. Wysocki
2006-08-09 12:30 ` Pavel Machek
2006-08-09 20:01 ` Rafael J. Wysocki
2006-08-09 20:12 ` Andrew Morton [this message]
2006-08-09 20:51 ` Rafael J. Wysocki
2006-08-10 0:12 ` Pavel Machek
2006-08-10 12:15 ` Rafael J. Wysocki
2006-08-10 20:51 ` Rafael J. Wysocki
2006-08-12 19:08 ` Jesse Brandeburg
2006-08-12 19:11 ` Rafael J. Wysocki
2006-08-13 22:33 ` Pavel Machek
2006-08-14 8:41 ` Rafael J. Wysocki
2006-08-13 22:33 ` Pavel Machek
2006-08-09 17:44 ` john stultz
2006-08-09 20:04 ` Rafael J. Wysocki
2006-08-09 20:13 ` john stultz
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