Fatal trap 12: page fault soo_poll

Anish Mistry mistry.7 at osu.edu
Mon Jan 30 15:40:25 PST 2006


I just got the following trap on my AMD64 system while doing some 
video encoding.  I'm updating to the latest STABLE to see if I can 
reproduce it.
FreeBSD 6.0-STABLE #8: Thu Jan 26 19:07:13 UTC 2006

Fatal trap 12: page fault while in kernel mode
fault virtual address   = 0xffffffcc805543e0
fault code              = supervisor read, page not present
instruction pointer     = 0x8:0xffffffff8025b244
stack pointer           = 0x10:0xffffffff962e4900
frame pointer           = 0x10:0xffffffff962e4930
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 3
current process         = 705 (Xorg)
[thread pid 705 tid 100104 ]
Stopped at      soo_poll+0x44:  movq    0x60(%rax),%rax
db> bt
Tracing pid 705 tid 100104 td 0xffffff0013a02260
soo_poll() at soo_poll+0x44
kern_select() at kern_select+0x8b7
select() at select+0x3e
syscall() at syscall+0x471
Xfast_syscall() at Xfast_syscall+0xa8


-- 
Anish Mistry
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