On 06-Jan-2003 ryan beasley wrote:
> On Sun, Jan 05, 2003 at 08:54:01PM -0600, ryan beasley wrote:
>>     I'm including a GDB capture including traceback and some locking
>>     information.  Anyone have any ideas?  Is there any other data I should
>>     grab and submit?
> 
>     I'm really sorry for following up to myself again, but the following
>     might be useful:
> 
> (gdb)
>#8  0xc01bce28 in enroll (description=0xc02e3718 "vnode interlock",
>     lock_class=0xc0300fc0)
>     at /home/ryanb/FREDRIK_DP_INV/sys/kern/subr_witness.c:985
> 985                     if (w->w_name == description || (w->w_refcount > 0 &&
> Current language:  auto; currently c
> (gdb) p *w
> $16 = {w_name = 0xc16fd8fe <Address 0xc16fd8fe out of bounds>,
>   w_class = 0xc0300fc0, w_list = {stqe_next = 0xc032fa50}, w_typelist = {
>     stqe_next = 0xc032fa50}, w_children = 0x0, w_file = 0x0, w_line = 0,
>   w_level = 0, w_refcount = 2, w_Giant_squawked = 0 '\0',
>   w_other_squawked = 0 '\0', w_same_squawked = 0 '\0'}
> 
>     This is the instruction where the page fault occurred.  As to how w_name
>     was clobbered, I have no idea.

Your 3rd party registered a lock somehow?  Does it do mtx_init() and not
do mtx_destroy() when being unloaded?

-- 

John Baldwin <[EMAIL PROTECTED]>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/

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