Re: kern/42319: uvm_fault/fatal page fault on 5.0_STABLE

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Sun, Nov 15, 2009 at 08:40:01AM +0000, dalibor.gudzic%gmail.com@localhost 
wrote:
> >Number:         42319
> >Category:       kern
> >Synopsis:       uvm_fault/fatal page fault on 5.0_STABLE
> >Confidential:   no
> >Severity:       critical
> >Priority:       high
> >Responsible:    kern-bug-people
> >State:          open
> >Class:          sw-bug
> >Submitter-Id:   net
> >Arrival-Date:   Sun Nov 15 08:40:00 +0000 2009
> >Originator:     Dalibor Gudzic
> >Release:        5.0_STABLE
> >Organization:
> None
> >Environment:
> NetBSD 5.0_STABLE (GENERIC) #0: Fri Nov 13 20:55:43 CET 2009
>       root%nbsd.dot.org.dot@localhost:/usr/obj/sys/arch/i386/compile/GENERIC
> 
> >Description:
> On FS AMilo Pro V3515 I'm getting fatal page fault after cvs update on 
> 13/11/09. Kernel build went fine, but when booting the new kernel it spits 
> error and drops to ddb:
> 
> db{0}>trace
> 
> uvm_fault (0xc0b69240, 0, 1) -> 0xe
> fatal page fault in supervisor mode
> trap type 6 code 0 eip c057a491 cs 8 eflags 10246 cr2 0 ilevel 8
> kernel: supervisor trap page fault code=0
> Faulted in DDB; continuing
> 
> dmesg in ddm showing (sorry, a few lines shown only as I don't have other 
> means to get the full dmesg):
> 
> ...
> ppb4 at pci0 dev 19 function 1: vendor 0x1106 product 0x337a (rev. 0x00)
> pci5 at ppb4 bus5
> pci5: i/o space, memory space enabled
> ath0 at pci5 dev 1 function 0
> ath0: interrupting at ioapic0 pin 18
> uvm_fault (0xc0b69240, 0, 1) -> 0xe

Looks like the problem is in ath(4). Could you try to boot -c
at the boot prompt, and then
disable ath
quit

(or alternatively rebuild a kernel without the ath driver)

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--