Subject: Re: Panic in NetBSD/i386 1.6.1_stable
To: Brian Buhrow <email@example.com>
From: Brian A. Seklecki <firstname.lastname@example.org>
Date: 02/16/2004 23:16:52
On Thu, 2004-02-12 at 21:10, Brian Buhrow wrote:
> Hello folks. I just got this panic on one of my
> NetBSD/i386-1.6.1_stable boxes from September 2003. I have several boxes
> running these binaries, and I've only seen this panic on one box, and I'm
> wondering if folks think there is a software problem here, or if it is just
> some hardware going south. This box is farely loaded, and was running for
> 100 days before a panic, and then 19 days before another panic.
The next time this happens, you'll need to grab a back trace from the
kernel using kdb.
You'll see the kernel go to a gdb style prompt, just type "bt".
That will help determine what prompted that error.
A serial console and/or serial console boot blocks are really useful in
> In other words, I think this might be hardware, and I want to confirm that
> no one else has seen this panic.
> panic: pmap_change_attrs: mapping without PTP detected
> syncing disks... panic: lockmgr: locking against myself
> dumping to dev 0,1 offset 1575727
> NetBSD lothlorien.nfbcal.org 1.6.1_STABLE NetBSD 1.6.1_STABLE (NFBNETBSD) #0: Fri Sep 19 10:35:04 PDT 2003 email@example.com:/usr/local/netbsd/src/sys/arch/i386/compile/NFBNETBSD i386