linux-kernel - Re: 2.6.18-rc4 (and earlier): CMOS clock corruption during suspend to disk on i386

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Message-ID: <20060809123052.GB3808@elf.ucw.cz>
Date:	Wed, 9 Aug 2006 14:30:52 +0200
From:	Pavel Machek <pavel@....cz>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Linux ACPI <linux-acpi@...r.kernel.org>,
	Andrew Morton <akpm@...l.org>
Subject: Re: 2.6.18-rc4 (and earlier): CMOS clock corruption during suspend to disk on i386

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?
:-).
								Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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