Is this a known issue?

Larry Rosenman ler at
Sun Jul 12 04:36:52 UTC 2009

Got this lovely textdump tonight with -CURRENT from earlier today:
Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 01
fault virtual address   = 0x318
fault code              = supervisor read data, page not present
instruction pointer     = 0x20:0xffffffff803200fe
stack pointer           = 0x28:0xffffff81d22105f0
frame pointer           = 0x28:0xffffff81d2210610
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         = 1611 (bacula-fd)
trap number             = 12
panic: page fault
cpuid = 1
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2a
panic() at panic+0x182
trap_fatal() at trap_fatal+0x2ad
trap_pfault() at trap_pfault+0x294
trap() at trap+0x187
calltrap() at calltrap+0x8
--- trap 0xc, rip = 0xffffffff803200fe, rsp = 0xffffff81d22105f0, rbp =
0xffffff81d2210610 ---
_mtx_lock_sleep() at _mtx_lock_sleep+0x4e
netisr_queue_internal() at netisr_queue_internal+0xe1
netisr_queue_src() at netisr_queue_src+0x3c
if_simloop() at if_simloop+0xb6
looutput() at looutput+0x84
ip_output() at ip_output+0xb88
tcp_output() at tcp_output+0xac9
tcp_usr_send() at tcp_usr_send+0x3a4
sosend_generic() at sosend_generic+0x3f6
soo_write() at soo_write+0x37
dofilewrite() at dofilewrite+0x85
kern_writev() at kern_writev+0x60
write() at write+0x55
syscall() at syscall+0x246
Xfast_syscall() at Xfast_syscall+0xe1
--- syscall (4, FreeBSD ELF64, write), rip = 0x801a0ff9c, rsp =
0x7fffff9fd2b8, rbp = 0x801d44e28 ---
Uptime: 6m22s

Is this a known issue?

Also, it appears it had just reset without trace (the 6m22s uptime is

Larry Rosenman           
Phone: +1 512-248-2683                 E-Mail: ler at
US Mail: 430 Valona Loop, Round Rock, TX 78681-3893

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