bluetooth / hcseriald panics -current.

[Niki Denev]

Maksim Yevmenkin writes:

> 
> stack trace?
> what is the version of sio.c?
> 
> i'm trying to reproduce it on my system with xircom cbt adapter.
> 

sio.c is 1.456

here is the crash message and the trace :

kernel trap 12 with interrupts disabled

Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x64
fault code            = supervisor write, page not present
instruction pointer   = 0x8:0xc062f2b1
stack pointer         = 0x10:0xe6879a2c
frame pointer         = 0x10:0xe6879a38
code segment          = base 0x0, limit 0xfffff, type 0x1b
                      = DPL 0, pres 1, def32 1, gran 1
processor eflags      = resume, IOPL = 0
current process       = 542 (hcseriald)
[thread 100071]
Stopped at      comstop+0x75:    andl   $-0x5,0x64(%eax)
db> trace
comstop(c1d6c000,3) at comstop+0x75
ttyflush(c1d6c000,3,c1fd0600,303468,e6879a80) at ttyflush+0x37
ng_h4_open(c1d5f900,c1d6c000) at ng_h4_open+0x194
ttioctl(c1d6c000,8004741b,e6879c60,3,c206a948) at ttioctl+0xc32
ttyioctl(c1d5f900,8004741b,e6879c60,3,c1d8b180) at ttyioctl+0x41
spec_ioctl(d540bb88,e6879c34,c056a017,e6879b88,c06e8100) at spec_ioctl+0xee
spec_vnoperate(d540bb88) at spec_vnoperate+0x13
vn_ioctl(c1d84110,8004741b,e6879c60,c1ff0380,c1d8b180) at vn_ioctl+0x1ab
ioctl(c1d8b180,e6879d14,3,1,246) at ioctl+0x3e0
syscall(2f,2f,2f,bfbfe8ec,bfbfee67) at syscall+0x213
Xint0x80_syscall() at Xint0x80_syscall+0x1f
--- syscall (54, FreeBSD ELF32, ioctl), eip = 0x280ce80f, esp = 0xbfbfe80c, ebp = 0xbfbfed54 ---
db>

--niki

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