On Saturday, 16 of August 2008, Martin Michlmayr wrote:
quoted text
> * Rafael J. Wysocki <rjw@sisk.pl> [2008-07-16 17:37]:
> > > > Please try to put "shutdown method = shutdown" into the s2disk's configuration
> > > > file and see what happens in that case.
> > > Yep, this work.
> > 
> > This is a workaround, though.
> > 
> > Can you check if the problem is present in linux-next, please?
> 
> I finally got a chance to test 2.6.27-rc2 and confirm that my laptop
> correctly powers off with "shutdown method = platform now".
> 
> Do you have any idea which patch might have fixed this?  It would be
> nice to include it in Debian's 2.6.26 kernel.

There was a series of commits ending with commit
337001b6c42938f49a880b1b8306c3ed771a7e61 ("PCI: Simplify PCI device PM code").

Unfortunately I don't think it's practicable to backport all of those patches.

Thanks,
Rafael

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