Re: [Xen-devel] Live migration bug introduced in 2.6.32.16?

[Greg KH <greg@kroah.com>]

On Fri, Jan 28, 2011 at 08:44:20AM +0000, Ian Campbell wrote:
> (Please don't drop CC's when posting to xen-devel)
> 
> On Fri, 2011-01-28 at 06:47 +0000, Philipp Hahn wrote:
> > Hello,
> > 
> > Am Donnerstag 27 Januar 2011 21:21:14 schrieb Nathan March:
> > > It looks like a live migration bug may have been introduced in 2.6.32.16...
> > ...
> > > Note that this isn't consistent at all, I've got 6 dom0's and this only
> > > happens when migrating certain directions between certain dom0's:
> > 
> > Sounds like a problem very similar to mine. Please check if you have the 
> > pvclock-going-backwards-problem: 
> > <http://lists.xensource.com/archives/html/xen-users/2011-01/msg00375.html>
> 
> The fix referenced by that thread (which turns out to be
> http://marc.info/?l=linux-kernel&m=128811236726156&w=2) is upstream as
> e7a3481c0246c8e45e79c629efd63b168e91fcda but didn't make it to the
> stable trees (the resend which was what actually got applied appears to
> have accidentally dropped the original's CC:stable@, oops).
> 
> This is a fix for 489fb490dbf8dab0249ad82b56688ae3842a79e8 which went
> into 2.6.32.16 as 1345126c761f0360dc108973bf73281d51945bc1 so the
> timeline fits and the fix seems obviously correct.
> 
> Greg, please can you queue e7a3481c0246c8e45e79c629efd63b168e91fcda for
> 2.6.32.y longterm. The fix is already in 2.6.37-rc1 so its not needed
> for the current stable branch.

Now queued up.

thanks,

greg k-h