Date: Thu, 19 Jan 2006 02:50:07 GMT From: Kris Kennaway <kris@obsecurity.org> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/91196: Kernel Panic Message-ID: <200601190250.k0J2o7tA047730@freefall.freebsd.org>
next in thread | raw e-mail | index | archive | help
The following reply was made to PR kern/91196; it has been noted by GNATS. From: Kris Kennaway <kris@obsecurity.org> To: Michael Haro <mharo@bitsurf.net> Cc: FreeBSD-gnats-submit@FreeBSD.org Subject: Re: kern/91196: Kernel Panic Date: Wed, 18 Jan 2006 21:40:42 -0500 On Sun, Jan 01, 2006 at 08:40:04PM -0800, Michael Haro wrote: > > >Number: 91196 > >Category: kern > >Synopsis: Kernel Panic > >Confidential: no > >Severity: serious > >Priority: medium > >Responsible: freebsd-bugs > >State: open > >Quarter: > >Keywords: > >Date-Required: > >Class: sw-bug > >Submitter-Id: current-users > >Arrival-Date: Mon Jan 02 04:40:09 GMT 2006 > >Closed-Date: > >Last-Modified: > >Originator: Michael Haro > >Release: FreeBSD 6.0-RELEASE i386 > >Organization: > >Environment: > System: FreeBSD firewall.bitsurf.net 6.0-RELEASE FreeBSD 6.0-RELEASE #0: Sun Dec 25 01:32:38 PST 2005 root@soekrisbuilder.bitsurf.net:/usr/obj/nanobsd.net4801/u > sr/src/sys/NET4801 i386 > > Soekris 4801 using read-only compact flash. > > >Description: > > Since I'm using flash memory, I don't have a swap partition and thus I don't > know how to capture a kernel dump when the system panics. Let me know if > there is a way and I'll capture one > > When the system panics it shows the following on the console: > > Fatal trap 12: page fault while in kernel mode > fault virtual address = 0x1c > fault code = supervisor write, page not present > instruction pointer = 0x20:0xc0447876 > stack pointer = 0x28:0xc7db8960 > frame pointer = 0x28:0xc7db8978 > code segment = base 0x0, limit 0xfffff, type 0x1b > = DPL 0, pres 1, def32 1, gran 1 > processor eflags = interrupt enabled, resume, IOPL = 0 > current process = 27 (swi1: net) > trap number = 12 > panic: page fault > Uptime: 8h23m13s > Cannot dump. No dump device defined. You need to at least use the addr2line trick (or use kgdb on the debug kernel) to obtain the line number corresponding to the IP. Also try to configure DDB and obtain a traceback. See the developers' handbook for full details. Kris
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200601190250.k0J2o7tA047730>