Re: [Xen-devel] VHD BUG in xen4.0 when install windows2008

[Daniel Stodden <daniel.stodden@xxxxxxxxxx>]

On Sat, 2010-05-08 at 15:52 -0400, Pasi KÃrkkÃinen wrote:
> On Sun, May 09, 2010 at 01:02:42AM +0800, yingbin wang wrote:
> >    I have try xenlinux 2.6.18.8. the problem also appear. os can not 
> > startup.
> > 
> >    Windows 2008 R2 Standard Edition 64(disk size: 20G, C:\ 15G, D:\ 5G) on
> >    vhd file, the problem appear.
> >    does anyone successfully install Windows 2008 R2 Standard Edition 64(disk
> >    size: 20G, C:\ 15G, D:\ 5G) on vhd file??
> >    env : (xen4.0, kernel2.6.31.13) or (xen4.0, kernel2.6.18.8)
> > 
> 
> Looking at the log (below) it seems the 'tapdisk2' process segfaults 
> (crashes).
> Sounds like a bug in it..

This is the loop pulling requests from the userspace I/O ring.
Missing a sanity check on the message content, hence the crash.

I would have bet it's smp-related, but sounds as if not.

Daniel


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