Another isp(4) panic.

[Pawel Jakub Dawidek]

It not always happens:

da1 at isp0 bus 0 target 1 lun 0
da0 at isp0 bus 0 target 0 lun 0
da5 at isp0 bus 0 target 5 lun 0
da4 at isp0 bus 0 target 4 lun 0
da2 at isp0 bus 0 target 2 lun 0
da3 at isp0 bus 0 target 3 lun 0
da6 at isp0 bus 0 target 6 lun 0
da7 at isp0 bus 0 target 7 lun 0
da8 at isp0 bus 0 target 8 lun 0
da9 at isp0 bus 0 target 9 lun 0
da10 at isp0 bus 0 target 10 lun 0
panic: vm_fault: fault on nofault entry, addr: deadc000
cpuid = 0
KDB: enter: panic
[thread pid 7 tid 100009 ]
Stopped at      kdb_enter+0x2b: nop
db> tr
Tracing pid 7 tid 100009 td 0xc36eb000
kdb_enter(c06022ed) at kdb_enter+0x2b
panic(c0617a36,deadc000,0,0,676f6c51,...) at panic+0x11c
vm_fault(c0c71000,deadc000,1,0) at vm_fault+0x1d9
trap_pfault(e2251934,0,deadc0f2) at trap_pfault+0x137
trap(e2251934) at trap+0x3de
calltrap() at calltrap+0x6
--- trap 0xc, eip = 0xc043472a, esp = 0xe2251974, ebp = 0xe2251bf4 ---
xptsetasyncfunc(c3b51a00,c3bc8070,e2251c20,c0434522,c3b51a00,...) at xptsetasyncfunc+0x26
xptdefdevicefunc(c3b51a00,e2251c9c) at xptdefdevicefunc+0x15
xptdevicetraverse(c383c940,0,c0434670,e2251c9c,e2251c54,...) at xptdevicetraverse+0x2a
xptdeftargetfunc(c383c940,e2251c9c) at xptdeftargetfunc+0x26
xpttargettraverse(c37e89c0,0,c0434648,e2251c9c,e2251c88,...) at xpttargettraverse+0x2b
xptdefbusfunc(c37e89c0,e2251c9c,c383e020,80,c3bc8070,...) at xptdefbusfunc+0x26
xptbustraverse(0,c0434620,e2251c9c,2,c0434704,...) at xptbustraverse+0x76
xpt_for_all_devices(c0434704,c3bc8070) at xpt_for_all_devices+0x29
xpt_action_sasync_cb(c383e020,1) at xpt_action_sasync_cb+0x20
taskqueue_run(c373e000) at taskqueue_run+0xc8
taskqueue_thread_loop(c0673370,e2251d38) at taskqueue_thread_loop+0x4a
fork_exit(c04d6a3c,c0673370,e2251d38) at fork_exit+0xac
fork_trampoline() at fork_trampoline+0x8
--- trap 0, eip = 0, esp = 0xe2251d70, ebp = 0 ---

-- 
Pawel Jakub Dawidek                       http://www.wheel.pl
pjd at FreeBSD.org                           http://www.FreeBSD.org
FreeBSD committer                         Am I Evil? Yes, I Am!
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