Re: [Bug #12610] sync-Regression in 2.6.28.2?

Greg KH
2009-02-23T04:35:36Z

On Sun, Feb 22, 2009 at 11:02:09AM +0100, Rafael J. Wysocki wrote:
> On Saturday 21 February 2009, Theodore Tso wrote:
> > On Sat, Feb 14, 2009 at 09:38:18PM +0100, Rafael J. Wysocki wrote:
> > > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12610
> > > Subject : sync-Regression in 2.6.28.2?
> > > Submitter : Ralf Hildebrandt <Ralf.Hildebrandt-jq1tPX9l7E6ELgA04lAiVw@public.gmane.org>
> > > Date : 2009-01-27 9:35 (19 days old)
> > > References : http://marc.info/?l=linux-kernel&m=123304977706620&w=4
> >
> > This fix for this has landed in mainline post 2.6.29-rc5, as commit
> > 2acf2c. The deadlock is technically not a regression but it was made
> > *much* more likely to show up because of commit 31a1266: ("mm:
> > write_cache_pages cyclic fix, which show up in 2.6.28.1").
> >
> > Commit 3a4c68 in mainline backs up the change made in 31a1266, so you
> > probably won't see this much after 2.6.28.6 (when 3a4c68 was
> > backported to 2.6.28.y), but we should get commit 2acf2c pushed to
> > 2.6.28.x and 2.6.27.y to completely solve the deadlock problem.
>
> Thanks for the update.
>
> I'll close the bug since it's fixed in the mainline. Please tell Greg which
> patches to put into the -stable kernels.

Ted, can you forward the needed patches to stable-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, or just
tell us to take those git commits directly?

thanks,

greg k-h