Re: [BUG] backport commit ebeec2ef4c in ubuntu-vivid.git break cephfs

[Kamal Mostafa <kamal@canonical.com>]

On Fri, Apr 01, 2016 at 10:01:23AM +0800, Yan, Zheng wrote:
> 
> > On Mar 31, 2016, at 22:39, Kamal Mostafa <kamal@canonical.com> wrote:
> > 
> > On Thu, Mar 31, 2016 at 12:06:42PM +0800, Yan, Zheng wrote:
> >> ubuntu-vivid git tree includes commit ebeec2ef4c (ceph: fix message
> >> length computation), but does not contain backport for upstream commit
> >> 1f041a89b4 (ceph: fix request time stamp encoding). This breaks cephfs
> >> kernel driver completely. Please add the later commit to your git
> >> tree.
> >> 
> >> Regards
> >> Yan, Zheng
> > 
> > Hi Yan-
> > 
> > Thanks for letting us know about this.  If that patch is required for
> > all trees that carry a backport of 777d738 (ceph: fix message length
> > computation), then we'll need to apply 1f041a89b4 to:
> 
> yes, that patch is required for all trees include the back port 
> 
> > 
> >  3.19.y-ckt (stable)
> >  3.16.y-ckt (stable)
> >  ubuntu-vivid
> >  ubuntu-utopic
> > 
> > For our reference, can you point me to a bug report or email thread
> > which discusses the breakage?
> > 
> http://tracker.ceph.com/issues/15302 <http://tracker.ceph.com/issues/15302>


Ok, I've filed this Launchpad bug to track the issue in the affected Ubuntu
kernels: http://bugs.launchpad.net/bugs/1564950

We'll get the fix into the pipeline ASAP.

Thanks again Yan!

 -Kamal