Re: newcard panic

On 09-Jun-2002 M. Warner Losh wrote:
> First, I'm assuming that you are doing this against a fairly recent
> -current,  Please correct me of I'm wrong.
> 
>: Fatal trap 12: page fault while in kernel mode
>: fault virtual address   = 0xdb6c7000
> 
> This is a very very odd address to fault at.

It's a stack address.  Looks like either a stack overrun or underrun.

>: #11 0xc015efcc in pccard_scan_cis (dev=0xd4b1c800,
>:     fct=0xc015fe82 <pccard_parse_cis_tuple>, arg=0xd91dcb8c)
>:     at ../../../dev/pccard/pccard_cis.c:1196
> 
> Here's where we get into trouble.  It looks like the Fault is at the
> return line:
> 
> 
> 1195: return (0);
> 1196:}
> 
> Does that match your sources?

That would be consistent with a hosed stack.

-- 

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

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