Date: Sun, 8 Oct 2006 18:34:53 +0200 From: Benjamin Lutz <mail@maxlor.com> To: Stefan Bethke <stb@lassitu.de> Cc: freebsd-stable@freebsd.org Subject: Re: Kernel panic on boot (how to debug?) Message-ID: <200610081834.57514.mail@maxlor.com> In-Reply-To: <9BFB7742-7064-49DB-BD1A-45512CF37F06@lassitu.de> References: <200609192217.44712.mail@maxlor.com> <200609212301.24257.mail@maxlor.com> <9BFB7742-7064-49DB-BD1A-45512CF37F06@lassitu.de>
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--nextPart1381414.hjFrz9EOC9 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Sunday 08 October 2006 18:32, Stefan Bethke wrote: > Am 21.09.2006 um 23:01 schrieb Benjamin Lutz: > > By sheer luck I figured out how to get into DDB though :), so I can > > now > > provide a backtrace. > > > > Fatal trap 18: integer divide fault while in kernel mode > > ... > > > --- trap 0x12, rip =3D 0xffffffff801c02d5, rsp =3D > > 0xffffffff80864a80, rbp =3D > > 0xffffffff80864ad0 --- > > ata_raid_promise_read_meta() at ata_raid_promise_read_meta+0x95 > > ata_raid_read_metadata() at ata_raid_read_metadata+0x2f4 > > Reading through ata_raid_promise_read_meta(), it's not clear to me > how that trap would get triggered, but you might want to boot verbose > to see how far into ata_raid_promise_read_meta() it gets. It seems > to me that there is something on your disk that almost looks like a > RAID metadata sector, and the driver getting confused by it. > > Also, try not compiling ataraid into the kernel to see if that avoids > the trap. Thanks for your answer. Unfortunately, the system in question suddenly died= 10=20 days ago and has been replaced, so I can't do any further observations. Cheers Benjamin --nextPart1381414.hjFrz9EOC9 Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (GNU/Linux) iD8DBQBFKSixzZEjpyKHuQwRArejAJ9sK+fna/m5uJPAuA0DWcXCABvtGQCeKC0i x2meTLUQGFYsVAAhgTqy9Z8= =hc7f -----END PGP SIGNATURE----- --nextPart1381414.hjFrz9EOC9--
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