Re: netbsd-5 locking panic

[Andrew Doran <ad%netbsd.org@localhost>]

On Sun, Apr 26, 2009 at 06:39:15PM +0200, Hauke Fath wrote:

> At 16:25 Uhr +0200 26.4.2009, Hauke Fath wrote:
> >I got a second one of these (identical) two hours ago, and rebooted with a
> >DEBUG/DIAGNOSTIC/LOCKDEBUG enabled kernel. Let's see what comes of it.
> 
> login:   Mutex error: lockdebug_wantlock: locking against myself
> 
> lock address : 0x00000000ca264f80 type     :     sleep/adaptive
> initialized  : 0x00000000c0292a4f
> shared holds :                  0 exclusive:                  1
> shares wanted:                  0 exclusive:                  1
> current cpu  :                  0 last held:                  0
> current lwp  : 0x00000000ca267a00 last held: 0x00000000ca267a00
> last locked  : 0x00000000c0126f2a unlocked : 0x00000000c0126fc2
> owner field  : 0x00000000ca267a00 wait/spin:                0/0

In ddb:

x/I 0x00000000c0126f2a
x/I 0x00000000c0126fc2
x/I 0x00000000c0292a4f

... or use gdb/nm to figure out what the line and/or function is.

(gdb) info line *0x12345678