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

Rafael J. Wysocki
2007-07-02T15:12:49Z

On Monday, 2 July 2007 16:32, David Greaves wrote:
> 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?

Add 'compute checksum = y' to the s2disk's configuration file.

Greetings,
Rafael

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