kern/77251: kernel panic on jail with unionfs

[Denis Shaposhnikov]

>Number:         77251
>Category:       kern
>Synopsis:       kernel panic on jail with unionfs
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Feb 08 08:50:22 GMT 2005
>Closed-Date:
>Last-Modified:
>Originator:     Denis Shaposhnikov
>Release:        FreeBSD 6.0-CURRENT i386
>Organization:
>Environment:
System: FreeBSD neva.vlink.ru 6.0-CURRENT FreeBSD 6.0-CURRENT #8: Mon Feb 7 09:49:25 MSK 2005 dsh at neva.vlink.ru:/var/FreeBSD/obj/var/FreeBSD/src/sys/NEVA i386

>Description:

Using jail on unionfs inside make kernel panic.

>How-To-Repeat:

# mount_unionfs -r -o ro /rescue /mnt
# jail /mnt unionfs.test 127.0.0.1 /tcsh

"Panic: page fault" here.

>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted: