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

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Date:	Mon, 25 May 2009 19:13:05 +0200
From:	Richard Atterer <richard@...9.atterer.net>
To:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
Cc:	linux-kernel@...r.kernel.org, "Rafael J. Wysocki" <rjw@...k.pl>,
	Kernel Testers List <kernel-testers@...r.kernel.org>
Subject: Re: [Bug #13371] s2disk hangs with kernel 2.6.29 and later, SATA,
	Gigabyte EG45M-DS2H

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.

Cheers,

  Richard

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