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From: "Michael S. Tsirkin" <m.s.tsirkin-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: [Bug #12574] possible circular locking dependency detected
Date: Thu, 5 Mar 2009 01:32:24 +0200
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To: "Rafael J. Wysocki" <rjw-KKrjLPT3xs0@public.gmane.org>
Cc: Linux Kernel Mailing List <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, Kernel Testers List <kernel-testers-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>

On Tue, Mar 03, 2009 at 11:42:36PM +0100, Rafael J. Wysocki wrote:
> On Tuesday 03 March 2009, Michael S. Tsirkin wrote:
> > On Tue, Mar 3, 2009 at 9:25 PM, Rafael J. Wysocki <rjw-KKrjLPT3xs0@public.gmane.org> wrote:
> > > This message has been generated automatically as a part of a report
> > > of recent regressions.
> > >
> > > The following bug entry is on the current list of known regressions
> > > from 2.6.28.  Please verify if it still should be listed and let me know
> > > (either way).
> > >
> > >
> > > Bug-Entry       : http://bugzilla.kernel.org/show_bug.cgi?id=12574
> > > Subject         : possible circular locking dependency detected
> > > Submitter       : Michael S. Tsirkin <m.s.tsirkin-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> > > Date            : 2009-01-29 11:35 (34 days old)
> > > References      : http://lkml.org/lkml/2009/2/9/205
> > >
> > >
> > >
> > 
> > I don't seem to observe this warning in v2.6.29-rc6 anymore.
> 
> OK, I'm going to close it, then.

Spoke too soon.
I see this again on 2.6.29-rc7.