Subject: Re: savecore -c crashes kernel (-current on i386)
To: Markus W Kilbinger <mk@kilbi.de>
From: Juergen Hannken-Illjes <hannken@eis.cs.tu-bs.de>
List: current-users
Date: 10/08/2007 09:04:09
On Mon, Oct 08, 2007 at 08:53:16AM +0200, Markus W Kilbinger wrote:
> > (2007-10-08 05:00 UTC)
> > Some recent change is causing my system to crash with "savecore -c",
> > however during the OS coredump it's failing (and rebooting).
> > 
> > >From DDB, it gives something like:
> > 
> > uvm_fault  in  savecore:
> > 
> > specificdata_getspecific()  + 0x17
> > mount_getspecific()   + 0x26
> > fscow_run
> > spec_strategy
> 
> I see a similar crashes on my cobalt qube2 with a recent 4.99.32
> -current kernel when the machine/kernel starts swapping. My most
> recent 4.99.31 kernels seems to fine (and are capable of swapping).
> 
> So, maybe it's related to the 4.99.31 -> 4.99.32 changes...
> 
> Markus.

Quite sure.  Could you please (from ddb):

show buf <1. arg of fscow_run>
show vnode <vnode og this buf>

-- 
Juergen Hannken-Illjes - hannken@eis.cs.tu-bs.de - TU Braunschweig (Germany)