Re: panic: kernel diagnostic assertion "xbd_io->xio_mapped == 0" failed

[Jeff Rizzo <riz%tastylime.net@localhost>]

On 8/4/11 3:43 AM, Manuel Bouyer wrote:
> On Wed, Aug 03, 2011 at 08:22:34PM -0700, Jeff Rizzo wrote:
> > I have, most unfortunately, changed a number of things at once in
> > the last few minutes, so it's hard to say which particular thing is
> > the culprit:
> >
> > - updated my dom0 to -current as of yesterday (5.99.55), both kernel
> > and userland (had been running a slightly older 5.99.55 kernel with
> > a 5.99.48 userland successfully for a while)
> >
> > - updated the xentools33 package (or rather rebuilt it)
> >
> > ...and now I get this panic shortly after xendomains starts:
> >
> > panic: kernel diagnostic assertion "xbd_io->xio_mapped == 0" failed:
> > file "/Users/riz/Documents/code/netbsd/src/sys/arch/xen/xen/xbdback_xenbus.c",
> > line 1589
> Looks like something I already tracked down. Could you try the attached patch ?

Well, that seems to have stopped the panicing.  But now it looks like 
LVM was broken sometime since 5.99.48...

xenserver1# lvm lvs
  Parse error at byte 4 (line 1): unexpected token

time to start digging...
(Thanks!)
+j