Date: Sun, 19 Mar 2006 12:48:31 -0500 From: Kris Kennaway <kris@obsecurity.org> To: Matt Emmerton <matt@compar.com> Cc: stable@freebsd.org Subject: Re: 6.0-REL problems with ISA ed0, FFS corruption and ancient hardware Message-ID: <20060319174831.GA3270@xor.obsecurity.org> In-Reply-To: <000c01c64b72$321d6520$1200a8c0@gsicomp.on.ca> References: <000c01c64b72$321d6520$1200a8c0@gsicomp.on.ca>
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--fUYQa+Pmc3FrFX/N Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Mar 19, 2006 at 11:28:45AM -0500, Matt Emmerton wrote: > [ Asked on -questions on Friday; re-asking now on -stable without > cross-post] >=20 > I recently upgraded a 4.11-REL machine to 6.0-REL and have run into some > snags. While the installation from CD went fine, after configuring and > enabling my ed0 NIC, bad things start to happen. >=20 > FWIW, this machine is an ancient (hardware circa 1991, BIOS circa 1994) > dual-Pentium 133 MHz machine, with EISA/PCI and onboard SCSI. >=20 > So far I can reliably reproduce two panics, one appears to be a ed driver > bug (based on reports of similar panics with different NICs, notably nge) > and one is a filesystem corruption problem. >=20 > Here's the process that I go through to reliably reproduce both problems. > 1) Boot machine in multi-user mode > 2) After ifconfig ed0, machine panics with a trap 12 in ithread_loop. > 3) In debugger, reset (or panic to get vmcore) > 4) Reboot in multi-user mode, but set "hint.ed.0.disabled=3D1" in the boot > loader (to avoid ifconifg panic) > 5) Root filesystem is fsckd; all other filesystems are scheduled for > background fsck > 6) Encounter panic "ffs_valloc: dup alloc" I think this part is because you have filesystem corruption from your previous panic. Force a fsck in foreground mode and it should clear it up. Kris --fUYQa+Pmc3FrFX/N Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2.2 (FreeBSD) iD8DBQFEHZluWry0BWjoQKURAgdNAJ4h12/2qEtIkIG+ia7z4SDsbqbxggCguj/o Eb7e0gyvwtH1rxKqu3Or4Gw= =DphL -----END PGP SIGNATURE----- --fUYQa+Pmc3FrFX/N--
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