port-xen/40968: panic in spec_vnops.c while booting domU

[zafer%aydogan.de@localhost]

>Number:         40968
>Category:       port-xen
>Synopsis:       panic in spec_vnops.c while booting domU
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    port-xen-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Mar 05 20:55:00 +0000 2009
>Originator:     Zafer Aydogan
>Release:        5.0_RC2
>Organization:
>Environment:
5.0_RC2 amd64
>Description:
When trying to boot a xen33 domU off a cd0a on amd64
a panic in spec_vnops.c occurs (KASSERT), shortly before
going to multiuser. xen kernel is from 9. Feb 09 from daily.

Screenshots:
http://bahar.aydogan.net/xen/spec_vnops.png
http://bahar.aydogan.net/xen/backtrace.png

>How-To-Repeat:
Boot xen33 domU off a cdrom on amd64
>Fix:
Yes, please.