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

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Date:	Mon, 2 Jul 2007 16:08:55 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Tejun Heo <htejun@...il.com>
Cc:	David Greaves <david@...eaves.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

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

Greetings,
Rafael


-- 
"Premature optimization is the root of all evil." - Donald Knuth
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