bce(4) panics, 9.2rc1

[Sean Bruno]

Running 9.2 in production load mail servers.  We're hitting the
"watchdog" message and crashing with the stable/9 version.  We're
reverting the change from 2 weeks ago and seeing if it still happens.
We didn't see this from stable/9 from about a month ago.


Sean

ref: 
http://svnweb.freebsd.org/base?view=revision&revision=253128

bce0: ../../../dev/bce/if_bce.c(7871): Watchdog timeout occurred,
resetting!
Jul 24 20:22:15 
<syslog.err> nm4
7 syslogd: sendtFatal trap 12: page fault while in kernel mode
o: No route to hcpuid = 13; ost
Jul 24 20:2apic id = 13
f2:15 <kern.noticault vie> nm47 kernel: rtual addressbce0: link state
= 0x10
 changed to DOWNfau
Jul 24 20:22:1lt 5 <syslog.err> ncode           = supervisor read m47
syslogd: sendadto: No route tota, page no host
t present
instruction pointer     = 0x20:0xffffffff803a1931
stack pointer           = 0x28:0xffffff8c5be0aab0
frame pointer           = 0x28:0xffffff8c5be0ab60
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 12 (irq256: bce0)
trap number             = 12
panic: page fault
cpuid = 13
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2a/frame
0xffffff8c5be0a540
kdb_backtrace() at kdb_backtrace+0x37/frame 0xffffff8c5be0a600
panic() at panic+0x1d8/frame 0xffffff8c5be0a700
trap_fatal() at trap_fatal+0x290/frame 0xffffff8c5be0a760
trap_pfault() at trap_pfault+0x1d2/frame 0xffffff8c5be0a7f0
trap() at trap+0x43a/frame 0xffffff8c5be0a9f0
calltrap() at calltrap+0x8/frame 0xffffff8c5be0a9f0
--- trap 0xc, rip = 0xffffffff803a1931, rsp = 0xffffff8c5be0aab0, rbp =
0xffffff8c5be0ab60 ---
bce_intr() at bce_intr+0x301/frame 0xffffff8c5be0ab60
intr_event_execute_handlers() at intr_event_execute_handlers+0x6a/frame
0xffffff8c5be0ab90
ithread_loop() at ithread_loop+0xac/frame 0xffffff8c5be0abe0
fork_exit() at fork_exit+0x135/frame 0xffffff8c5be0ac30
fork_trampoline() at fork_trampoline+0xe/frame 0xffffff8c5be0ac30
--- trap 0, rip = 0, rsp = 0xffffff8c5be0acf0, rbp = 0 ---
Uptime: 38m18s
Dumping 2120 out of 24538
MB:..1%..11%..21%..31%..41%..51%..61%..71%..81%..91%
Dump complete

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