Subject: Re: kernel panic
To: Kamal Prasad <kamalpr@yahoo.com>
From: Jason R Thorpe <thorpej@wasabisystems.com>
List: tech-kern
Date: 07/15/2002 13:58:37
On Mon, Jul 15, 2002 at 01:46:18PM -0700, Kamal Prasad wrote:
> I have a program that does an mmap() of 800mb (out of
> 1GB total physical memory) (using netbsd-curent). when
> I kill the app (that has done the mmap()), I get a
> panic.
> the trace is given below:-
> --------------------------------------------------------
> 0xe9b9ad00: at panic+1b0
> 0xe9b9adb0: at pmap_pvo_to_pte+1c4
> 0xe9b9ade0: at pmap_pvo_remove+5c
> 0xe9b9ae00: at pmap_page_protect+a4
Going to assume this is on PowerPC. What was the panic message,
exactly? There are a few in that routine.
> 0xe9b9ae30: at uvm_anfree+1f0
> 0xe9b9ae50: at amap_wipeout+120
> 0xe9b9ae80: at amap_unref+4c
> 0xe9b9aea0: at uvm_map_unreference_amap+54
> 0xe9b9aec0: at uvm_unmap_detach+78
> 0xe9b9aef0: at uvmspace_free+a0
> 0xe9b9af10: at uvm_exit+2c
> 0xe9b9af30: at reaper+cc
> 0xe9b9af50: at fork_trampoline+10
> -------------------------------------------------
> if anyone knows the problem/fix to this, pl. let me
> know.
> thanks
> -kamal
>
>
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--
-- Jason R. Thorpe <thorpej@wasabisystems.com>