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Bug#611750: Bug#613790: 2nd update (Re: Bug#613790: pm-utils: eeepc 1005 PE recently stopped resuming from hibernate)



On Fri, 2011-03-04 at 14:27 +0100, Frédéric Boiteux wrote:
> Le Thu, 3 Mar 2011 17:46:38 +0100,
> Frédéric Boiteux <fboiteux@calistel.com> a écrit :
> 
> >     Hi,
> > 
> >   It was a false assertion, I did get hibernation resuming fail later
> > with this commit reversed :-(( Indeed, the bug is quite difficult to
> > verify, I've done 2/3 hibernation/resume loops before stating a
> > bissecting kernel was good, perhaps it was not enough !
> >   I'll retry, starting from last 'good' kernel before this.
> 
> [ Sorry for my previous e-mail, I didn't finished it ]
> 
>   I've done more tests, and finally got this commit as faulty for
> hibernation resuming :
> 
> ee7181e2b0625ffaa8a7b3dd19dd0c1684cc2d70 is first bad commit
> commit ee7181e2b0625ffaa8a7b3dd19dd0c1684cc2d70
> Author: Debian kernel team <debian-kernel@lists.debian.org>
> Date:   Thu Feb 17 22:22:25 2011 +0000
> 
>     Apply "2.6.32.28.patch"

Thanks for the confirmation.

[...]
> I've tried at least 5 hibernation / resume cycles with a 2.6.32-30
> version without this commit (with some parts of patch not reversed
> cleanly, but seemed not a problem) , waiting for some time unplugged,
> and it seems to work.
> 
>   Perhaps we could bisect further inside this multi-purpose patch, but
> I don't know how to do  it.

You can find all the individual patches as a quilt series in:

git://git.kernel.org/pub/scm/linux/kernel/git/longterm/longterm-queue-2.6.32.git

subdirectory releases/2.6.32.28.

Since quilt doesn't have a bisect command you would have to have to keep
track of good and bad positions in the series yourself.  I would guess
that it's most likely one of:

releases/2.6.32.28/pm-hibernate-fix-pm_post_-notification-with-user-space-suspend.patch
releases/2.6.32.28/x86-enable-the-intr-remap-fault-handling-after-local-apic-setup.patch

so you could try reverting those before going through the whole series.

Ben.

-- 
Ben Hutchings
Once a job is fouled up, anything done to improve it makes it worse.

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