linux-kernel - Re: Waking up from suspend regression

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Date:	Wed, 6 Aug 2008 10:42:27 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Tejun Heo <htejun@...il.com>
Cc:	Michael Brennan <brennan.brisad@...il.com>,
	linux-kernel@...r.kernel.org, rjw@...k.pl, matthew@....cx,
	jeff@...zik.org
Subject: Re: Waking up from suspend regression

On Wed, Aug 06 2008, Tejun Heo wrote:
> Jens Axboe wrote:
> > On Wed, Aug 06 2008, Michael Brennan wrote:
> >> Hi,
> >>
> >> I am having some major problems with the newest kernels on my Thinkpad R61i 
> >> and I'm doing my best trying to debug the problems.
> >>
> >> One problem is waking up from suspend to RAM. Earlier kernels worked fine 
> >> (e.g. 2.6.25), but with the latest the system is unusable after waking up.
> >> When trying to wake the computer up it first is completely unresponsive with a 
> >> black screen. After about 40 seconds it comes back alive and shows the locked 
> >> screensaver. But whatever I do I just get error messages, trying to unlock 
> >> the screen, it says authentication failed for some reason. If I try to log in 
> >> from console I just get kernel messages about I/O errors from the SATA HDD.
> >>
> >> I have bisected this and get this behavior after the patch: 
> >> [ce6fce4295ba727b36fdc73040e444bd1aae64cd] PCI MSI: Don't disable MSIs if the 
> >> mask bit isn't supported
> > 
> > Same here, sata is dead after the resume. Thinkpad X60.
> > 
> 
> Known bug && patch available.
> 
> http://bugzilla.kernel.org/show_bug.cgi?id=11178

A week before -rc2, yet it isn't in... That's a bit sad, basically the
same story as -rc1 where wifi didn't work on my laptop. Oh well. THanks
for the hint Tejun!

-- 
Jens Axboe

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