linux-kernel - Re: 2.6.32-rc1: various BUGs on resume from hibernation

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Message-Id: <200910042247.43528.rjw@sisk.pl>
Date:	Sun, 4 Oct 2009 22:47:43 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Alan Jenkins <alan-jenkins@...fmail.co.uk>
Cc:	pm list <linux-pm@...ts.linux-foundation.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: 2.6.32-rc1: various BUGs on resume from hibernation

On Sunday 04 October 2009, Alan Jenkins wrote:
> Alan Jenkins wrote:
> > I'm seeing a variety of BUGs on my EeePC 701 after hibernation.  
> > Sometimes they cause a hang during resume; sometimes they happen just 
> > after resume.  It doesn't happen all the time either -  I've just 
> > hibernated three times in a row with no problems.  It's most perplexing.
> >
> > One resume hang showed a series of SCSI backtraces and errors.  
> > Unfortunately I wasn't able to capture it at the time.  They were most 
> > probably related to the root device, an SSD controlled by ata_piix.
> >
> > Today on latest -git I captured this "bad swap file entry" problem.  I 
> > use a swap file for hibernation (I don't have a swap partition).
> 
> > Previously, on a slightly older kernel (still after 32-rc1), I 
> > captured this BUG in fget_light():
> 
> And later suspend to ram failed, and then showed a hung task warning.

As I already asked in the Bugzilla, can you verify that this is reproducible
without KMS?

Best,
Rafael
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