[dm-devel] Re: 2.6.27-rc5-mmotm0829 - lvm issues at boot, possible disk_devt() related?

[Jens Axboe]

On Mon, Sep 01 2008, Alasdair G Kergon wrote:
> On Mon, Sep 01, 2008 at 05:15:58AM -0400, Valdis.Kletnieks at vt.edu wrote:
> > On Mon, 01 Sep 2008 09:58:40 +0200, Tejun Heo said:
> > > Yeah, I made a mistake converting two of them and devt lookup fails when
> > > the disk is zero sized.  Bartlomiej debugged the problem and posted a
> > > patch and I followed up with an updated patch.  It should be fine in the
> > > next round.
> > >   http://article.gmane.org/gmane.linux.kernel.next/2663
> > >   http://article.gmane.org/gmane.linux.kernel.next/2676
> > > If you're seeing other problems, please let me know.
> > Confirming - 2.6.27-rc5-mmotm0829 plus the merge of the 2 above patches
> > does find the LVM volumes and come up.  Thanks for the clue.. :)
> 
> I expect we'll need some patches to userspace lvm2 to support these extended
> device numbers properly too...
> 
> Alasdair (back from holiday)

They'll be defaulting to off from now on, so it should not be a big
worry. But Alan Brunelle did find that the "10-character limit
in dm/lib/libdm-deptree is too small".

-- 
Jens Axboe