PANIC (watchdog)

Hello,

after I had switched into single user mode I ran installworld where my box 
paniced. I have ZERO_COPY_SOCKETS with two not committed patches but I 
think this is unrelated.

Thanks,

-Harry

cd /usr/include/cam/scsi;  for h in *.h; do  if [ -L $h ]; then rm -f $h; 
fi;  done
interrupt                   total
irq4: sio0                          1421
irq13: npx0                            1
irq20: em0 acpi0                  118586
irq21: fwohci0                         1
irq22: twe0                       204149
cpu0: timer                     71692220
Total                    72016378
KDB: stack backtrace:
kdb_backtrace(c073ede1,44ae1fa,0,c079a9a7,c079a498) at kdb_backtrace+0x2e
watchdog_fire(c07a7f00,2,c073ed22,10c,c0813300) at watchdog_fire+0xb5
hardclock(d13d39f4,d13d3a08,41ed,d13d3a4c,c06e6720) at hardclock+0xfd
lapic_handle_timer(0) at lapic_handle_timer+0x56
Xtimerint(2,41ed,0,0,40) at Xtimerint+0x30
ufs_access(d13d3ae4,c07a6f6c,22d,c17b9bb0,d13d3b10) at ufs_access+0x20e
VOP_ACCESS_APV(c078f120,d13d3ae4,c0741d1e,c1810300,c14d5d00) at 
VOP_ACCESS_APV+0xac
vfs_cache_lookup(d13d3b7c,d13d3b7c,c17b9bb0,c17b9bb0,d13d3c60) at 
vfs_cache_lookup+0x95
VOP_LOOKUP_APV(c078f120,d13d3b7c,c1810300,246,1) at VOP_LOOKUP_APV+0xb4
lookup(d13d3c38,0,c074b04e,c5,c19b1830) at lookup+0x468
namei(d13d3c38,d13d3c20,246,c07ac8e0,d13d3c3c) at namei+0x438
kern_readlink(c1810300,281975f7,0,bfbfe310,0) at kern_readlink+0x3d
readlink(c1810300,d13d3d04,c,4,3) at readlink+0x38
syscall(3b,3b,3b,0,bfbfe310) at syscall+0x290
Xint0x80_syscall() at Xint0x80_syscall+0x1f
--- syscall (58, FreeBSD ELF32, readlink), eip = 0x28121333, esp = 
0xbfbfe2ac, ebp = 0xbfbfe368 ---
KDB: enter: watchdog timeout
[thread pid 69367 tid 100095 ]
Stopped at      kdb_enter+0x30: leave