linux-kernel - Re: [Bug #13371] s2disk hangs with kernel 2.6.29 and later, SATA, Gigabyte EG45M-DS2H

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Message-Id: <200905260111.40728.rjw@sisk.pl>
Date:	Tue, 26 May 2009 01:11:40 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Richard Atterer <richard@...9.atterer.net>
Cc:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
	linux-kernel@...r.kernel.org,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	Jeff Garzik <jeff@...zik.org>
Subject: Re: [Bug #13371] s2disk hangs with kernel 2.6.29 and later, SATA, Gigabyte EG45M-DS2H

On Monday 25 May 2009, Richard Atterer wrote:
> On Mon, May 25, 2009 at 04:30:21PM +0200, Bartlomiej Zolnierkiewicz wrote:
> > Hmm, we added ACPI NVS memory handling there and some machines seem
> > to have trouble with it.  I think it would be worth to check it first.
> > 
> > Richard, could you try s2disk on some recent 2.6.30-rc kernel while
> > booting using "acpi_sleep=s4_nonvs"?
> 
> I just tried that with 2.6.30-rc7, unfortunately it doesn't make any 
> difference.
> 
> It turns out that if I wait long enough (just over 1 minute) both during 
> suspend and resume, I *am* able to suspend and resume the machine. I have 
> to manually turn it off or reset it though.
> 
> Another possibly interesting observation: My DVD writer apparently gets 
> reset before the 1-minute hang and my USB hub after the hang.

You replied to Jeff that hibernation worked with CONFIG_IDE=n.  What was wrong
with that test?

Rafael
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