kern/132222: The latest kernel causes my machine panic!

[Ethan]

>Number:         132222
>Category:       kern
>Synopsis:       The latest kernel causes my machine panic!
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sun Mar 01 16:00:08 UTC 2009
>Closed-Date:
>Last-Modified:
>Originator:     Ethan
>Release:        7.1-STABLE
>Organization:
>Environment:
FreeBSD dns.ethan-hsiao.idv.tw 7.1-STABLE FreeBSD 7.1-STABLE #0: Sun Mar  1 19:45:23 CST 2009     root at dns.ethan-hsiao.idv.tw:/usr/src/sys/amd64/compile/dns  amd64
>Description:
I updated my system to the latest stable source via CVS, but it *ALWAYS* crashed after I tried reboot it.

The kernel message is listed as below:
Sleeping thread (tid 100075, pid 486) owns a non-sleepable lock
panic: sleeping thread
cpuid = 0
Uptime: 1m1s
Physical memory: 4085 MB
Dumping 254 MB: balabalabala......

The core dumps is also attached for your reference.
http://www.ethan-hsiao.idv.tw/~hsiao/info.3
http://www.ethan-hsiao.idv.tw/~hsiao/vmcore.3
http://www.ethan-hsiao.idv.tw/~hsiao/info.4
http://www.ethan-hsiao.idv.tw/~hsiao/vmcore.4
http://www.ethan-hsiao.idv.tw/~hsiao/info.5
http://www.ethan-hsiao.idv.tw/~hsiao/vmcore.5
http://www.ethan-hsiao.idv.tw/~hsiao/info.6
http://www.ethan-hsiao.idv.tw/~hsiao/vmcore.6

I've tried to downgrade source code from CTM src-7.0540 to CTM src-7.0568.
This issue is happened after src-7.0568 patched.

Please help me to resolve this issue.
Thanks a lot!
>How-To-Repeat:
Update to CTM src-7.0568
>Fix:


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