Subject: Re: crash in pmap_clear_attrs()
To: Jeff Rizzo <riz@tastylime.net>
From: Chuck Silvers <chuq@chuq.com>
List: current-users
Date: 10/04/2005 19:09:30
On Tue, Oct 04, 2005 at 10:51:20AM -0700, Jeff Rizzo wrote:
> For the second time in two days, I got the following crash while
> building in pkgsrc (3.99.9/i386 from Oct 2) :
>
> uvm_fault(0xc0663100, 0xffeee000, 0, 1) -> 0xe
> kernel: page fault trap, code=0
> Stopped in pid 19.1 (pagedaemon) at netbsd:pmap_clear_attrs+0xa4: movl
> 0
> (%eax),%eax
> db> bt
> pmap_clear_attrs(c0aaa040,20,4342a285,16fa4,ca3cb5ac) at
> netbsd:pmap_clear_attrs
> +0xa4
> uvmpd_scan_inactive(c06865f4,0,cafaef6c,c0407af5,ca3cc19c) at
> netbsd:uvmpd_scan_
> inactive+0x26c
> uvmpd_scan(c0688520,c0640320,0,0,f58d) at netbsd:uvmpd_scan+0x50
> uvm_pageout(ca3cb5ac,0,0,0,c0100321) at netbsd:uvm_pageout+0xfd
> db>
>
> Anyone seen this? Should I send-pr?
have you run a memory test? every one of these pmap crashes that I've
seen reported in the last couple years has been due to flaky hardware.
-Chuck