linux-kernel - Re: [linux-lvm] 2.6.22-rc5 XFS fails after hibernate/resume

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Date:	Mon, 02 Jul 2007 15:32:26 +0100
From:	David Greaves <david@...eaves.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Tejun Heo <htejun@...il.com>, David Chinner <dgc@....com>,
	David Robinson <zxvdr.au@...il.com>,
	LVM general discussion and development 
	<linux-lvm@...hat.com>,
	"'linux-kernel@...r.kernel.org'" <linux-kernel@...r.kernel.org>,
	xfs@....sgi.com, linux-pm <linux-pm@...ts.osdl.org>,
	LinuxRaid <linux-raid@...r.kernel.org>
Subject: Re: [linux-lvm] 2.6.22-rc5 XFS fails after hibernate/resume

Rafael J. Wysocki wrote:
> On Monday, 2 July 2007 12:56, Tejun Heo wrote:
>> David Greaves wrote:
>>>> Tejun Heo wrote:
>>>>> It's really weird tho.  The PHY RDY status changed events are coming
>>>>> from the device which is NOT used while resuming
>>> There is an obvious problem there though Tejun (the errors even when sda
>>> isn't involved in the OS boot) - can I start another thread about that
>>> issue/bug later? I need to reshuffle partitions so I'd rather get the
>>> hibernate working first and then go back to it if that's OK?
>> Yeah, sure.  The problem is that we don't know whether or how those two
>> are related.  It would be great if there's a way to verify memory image
>> read from hibernation is intact.  Rafael, any ideas?
> 
> Well, s2disk has an option to compute an MD5 checksum of the image during
> the hibernation and verify it while reading the image.
(Assuming you mean the mainline version)

Sounds like a good think to try next...
Couldn't see anything on this in ../Documentation/power/*
How do I enable it?


>  Still, s2disk/resume
> aren't very easy to install  and configure ...

I have it working fine on 2 other machines now so that doesn't appear to be a 
problem.

David
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