On Thu, Apr 11, 2002 at 07:19:12PM -0000, Tomas Svensson wrote:
> 
> >Number:         16307
> >Category:       kern
> >Synopsis:       pciide - panic: extent_free: region not found
> >Confidential:   no
> >Severity:       serious
> >Priority:       medium
> >Responsible:    kern-bug-people
> >State:          open
> >Class:          sw-bug
> >Submitter-Id:   net
> >Arrival-Date:   Thu Apr 11 12:21:00 PDT 2002
> >Closed-Date:
> >Last-Modified:
> >Originator:     Tomas Svensson
> >Release:        NetBSD 1.5ZD
> >Organization:
> >Environment:
> 	NetBSD 1.5ZD i386
> >Description:
> 	On a SIS 85C01 with a "Quantum Designs 8580" IDE-controller, the kernel
> 	always panics with:
> 
> 	extent_free: start 0x376, end 0x379
> 	panic: extent_free: region not found
> 
> 	It happens in all kernels from 1.5.1 to 1.5ZD, but 1.5 works,
> 	so it must be something that was changed in pciide between
> 	1.5 and 1.5.1... (it works if I disable pciide).
> 
> 	I can probably run a debug kernel on it, but I don't think I
> 	can save a crashdump for obvious reasons.

Can you get a debbuger stack trace from ddb ?

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
--