One more isp(4) panic.

[Pawel Jakub Dawidek]

Sometimes on reboot it panics here:

Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address   = 0x24
fault code              = supervisor read data, page not present
instruction pointer     = 0x8:0xffffffff80218cca
stack pointer           = 0x10:0xffffffffc99e3430
frame pointer           = 0x10:0xffffffffc99e3460
code segment            = base 0x0, limit 0xfffff, type 0x1b
                = DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags        = resume, IOPL = 0
current process         = 8041 (reboot)
[thread pid 8041 tid 100400 ]
Stopped at      untimeout+0x4a: cmpq    %r12,0x20(%rbx)
db> tr
Tracing pid 8041 tid 100400 td 0xffffff00c0c80000
untimeout() at untimeout+0x4a
isp_done() at isp_done+0x129
isp_intr() at isp_intr+0x573
isp_poll() at isp_poll+0x43
xpt_polled_action() at xpt_polled_action+0xdb
dashutdown() at dashutdown+0xe5
boot() at boot+0x298
reboot() at reboot+0x42
syscall() at syscall+0x1ae
Xfast_syscall() at Xfast_syscall+0xab
--- syscall (55, FreeBSD ELF64, reboot), rip = 0x80077318c, rsp = 0x7fffffffeb18, rbp = 0x2 ---

-- 
Pawel Jakub Dawidek                       http://www.wheel.pl
pjd at FreeBSD.org                           http://www.FreeBSD.org
FreeBSD committer                         Am I Evil? Yes, I Am!
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 187 bytes
Desc: not available
Url : http://lists.freebsd.org/pipermail/freebsd-scsi/attachments/20070524/14942acf/attachment.pgp