port-amd64/48190: kernel panic

[smj%sdf.org@localhost]

>Number:         48190
>Category:       port-amd64
>Synopsis:       kernel panic
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    port-amd64-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Sep 08 00:55:00 +0000 2013
>Originator:     Stephen Jones
>Release:        6.1
>Organization:
sdf.org
>Environment:
NetBSD mx 6.1_STABLE NetBSD 6.1_STABLE (GENERIC) #0: Fri Aug 30 02:42:57 JST 
2013  
msaitoh%amd64.execsw.org@localhost:/var/sources/netbsd-6/src/sys/arch/amd64/compile/GENERIC
 amd64
>Description:
uvm_fault(0xffffffff80e0ce20, 0xffff80016ae59000, 1) -> e
^Mfatal page fault in supervisor mode
^Mtrap type 6 code 0 rip ffffffff8084bc24 cs 8 rflags 10216 cr2  
ffff80016ae597f8 cpl 4 rs
p fffffe810bf692b8
^Mpanic: trap
^Mcpu1: Begin traceback...
^Mprintf_nolog() at netbsd:printf_nolog
^Mstartlwp() at netbsd:startlwp
^Malltraps() at netbsd:alltraps+0x96
^Mm_copyback0() at netbsd:m_copyback0+0x22c
^Mfr_check_wrapper() at netbsd:fr_check_wrapper+0x2e
^Mpfil_run_hooks() at netbsd:pfil_run_hooks+0x9d
^Mip_output() at netbsd:ip_output+0x407
^Mudp_output() at netbsd:udp_output+0x1df
^Mudp_usrreq() at netbsd:udp_usrreq+0x2f8
^Mudp_usrreq_wrapper() at netbsd:udp_usrreq_wrapper+0x46
^Msosend() at netbsd:sosend+0x38e
^Mnfs_send() at netbsd:nfs_send+0x8d
^Mnfs_request() at netbsd:nfs_request+0x35f
^Mnfs_writerpc() at netbsd:nfs_writerpc+0x384
^Mnfs_doio() at netbsd:nfs_doio+0x29c
^Mnfssvc_iod() at netbsd:nfssvc_iod+0x19a
^Mcpu1: End traceback...
^M
^Mdumping to dev 4,1 offset 8
>How-To-Repeat:

>Fix: