Subject: Re: i386 MP panic: amap_pp_adjref: negative reference count
To: Andrew Brown <atatat@atatdot.net>
From: Sami Kantoluoto <sami.kantoluoto@sjk-software.fi>
List: current-users
Date: 12/16/2002 19:44:29
On Mon, Dec 16, 2002 at 12:37:53PM -0500, Andrew Brown wrote:
> >> type "x/x 0xe4b49dd0,0t10" and that should print something like:
> >>
> >> 0xe4b49dd0: 0 1 0 qq rr ss
> >> 0xe4b49de8: mmmmmmmm nnnnnnnn oooooooo pppppppp
> >
> >Well, not quite:
> >
> >0xe4b49dd0: 1 c0590b23 c0590b23 11700f8 e49ca4ac
> > c06eb158 0 2 0 10
>
> oh joy. that looks like it might be off by 24 (or 0x18). hmm. :-/
.
.
.
> since e4b49dd0 doesn't look like the amap, can you try manually
> dumping the vm_map_entry that should be at e5198388 via "x/x
> 0xe5198388,0t16"? that should print something that looks like:
Too late :-(. I totally locked up the machine:
db{0}> sync
cpu0: spinout while in debugger
-sk