On Sat, 8 May 2010, Weongyo Jeong wrote:

Hello,

Anyone encountered this panic on recent CURRENT kernel?

[r...@test ~]# uname -a
FreeBSD test 9.0-CURRENT FreeBSD 9.0-CURRENT #16: Sun May  2 00:24:12 PDT 2010  
   r...@test:/usr/obj/usr/src/sys/GENERIC  amd64

[r...@test /home/freebsd/sys/modules/bwn]# ifconfig wlan0 create wlandev bwn0

Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address   = 0x0
fault code              = supervisor read instruction, page not present
instruction pointer     = 0x20:0x0
stack pointer           = 0x28:0xffffff8073cdd810
frame pointer           = 0x28:0xffffff8073cdd8e0
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         = 1795 (ifconfig)
[ thread pid 1795 tid 100096 ]
Stopped at      0:      *** error reading from address 0 ***
db> bt
Tracing pid 1795 tid 100096 td 0xffffff0003d8b390
uart_z8530_class() at 0
ifc_simple_create() at ifc_simple_create+0x89
if_clone_createif() at if_clone_createif+0x64
ifioctl() at ifioctl+0x685

can you give me

l *ifc_simple_create+0x89
l *if_clone_createif+0x64
l *ifioctl+0x685

--
Bjoern A. Zeeb                                     (from 21) Micky Rosa:
   But as we've all said, this game is about the past and the future,
   and tonight we forget about the past. We just focus on the future.
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