Date: Wed, 30 Mar 2005 06:27:56 -0800 From: Kris Kennaway <kris@obsecurity.org> To: Rene Ladan <r.c.ladan@student.tue.nl> Cc: Kris Kennaway <kris@obsecurity.org> Subject: Re: 5.4pre panic Message-ID: <20050330142756.GA82796@xor.obsecurity.org> In-Reply-To: <20050330141707.GA2020@82-168-75-155-bbxl.xdsl.tiscali.nl> References: <20050330101123.GA641@82-168-75-155-bbxl.xdsl.tiscali.nl> <20050330135103.GB66640@xor.obsecurity.org> <20050330141707.GA2020@82-168-75-155-bbxl.xdsl.tiscali.nl>
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--YZ5djTAD1cGYuMQK Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Mar 30, 2005 at 04:17:08PM +0200, Rene Ladan wrote: > On Wed, Mar 30, 2005 at 05:51:04AM -0800, Kris Kennaway wrote: > > On Wed, Mar 30, 2005 at 12:11:23PM +0200, Rene Ladan wrote: > > > Got this panic with auto-reboot (no dump :( ), saved from dmesg on > > > 5.4pre 2003-05-29 09:49 UTC > > >=20 > > > processor eflags =3D IOPL =3D 0 > > > current process =3D 29 (swi1: net) > > > trap number =3D 3 > > > panic: breakpoint instruction fault > >=20 > > I'd have expected this panic to be the result of setting a breakpoint, > > i.e. requesting the kernel to panic at this location. Are you > > absolutely certain this is not the case? > I did not set a breakpoint, maybe some application was doing it for me. > I was working in X at the moment. >=20 > > If so, you should try to use > > DDB to obtain a traceback to find out what it was doing. > I have DDB/KDB in my kernelconfig, but auto-reboot without dump doesn't > help much, does it? The point is to disable "auto-reboot" (I assume you mean DDB_UNATTENDED?) and obtain the traceback manually from the ddb prompt when it panics. Kris --YZ5djTAD1cGYuMQK Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (FreeBSD) iD8DBQFCSrdsWry0BWjoQKURAtajAKDQwEP8wcOiuo7Kh4gy9KCq9vzK6ACgkpIC vTMFWXn4zHXlUaDqzv1/Qp0= =Xu+X -----END PGP SIGNATURE----- --YZ5djTAD1cGYuMQK--
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