Date: Thu, 13 Apr 2006 18:16:42 +0200 From: Konstantin Saurbier <saurbier@math.uni-bielefeld.de> To: Robert Watson <rwatson@FreeBSD.org> Cc: freebsd-stable@freebsd.org Subject: Re: FreeBSD 6.0 panics - sbdrop Message-ID: <20060413181642.000040c2@jupiter> In-Reply-To: <20060413075019.U443@fledge.watson.org> References: <20060411150759.20a9e9d5.saurbier@math.uni-bielefeld.de> <20060413075019.U443@fledge.watson.org>
next in thread | previous in thread | raw e-mail | index | archive | help
--Sig_dQrcsTKtCdUAWTM2AVLu.Kw Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Thu, 13 Apr 2006 07:55:02 +0100 (BST) Robert Watson <rwatson@FreeBSD.org> wrote: >=20 > On Tue, 11 Apr 2006, Konstantin Saurbier wrote: >=20 > > I've encountered a strange problem while using FreeBSD 6.0 for our > > local mirror (mirror.math.uni-bielefeld.de) and thus is providing > > access via ftp, http, rsync and cvsup (all local and remote). The > > system crashes periodically with a kernel panic (panic: sbdrop). > > The uptimes between two crashes are going from a few hours to a few > > weeks. > > > > The system is a i386, Intel Pentium 4 based with 512MB ram and a > > 3ware-7000 (twe) raid controller containig 1 raid 5 set with > > approx. 1.9TB. The kernel is a GENERIC kernel without changes of > > the config. These are the kernel dumps: >=20 > There have been one or more long-term bugs we've been attempting to > track down that result in socket buffer corruption discovered only on > socket close (hence in sbdrop() when we flush the cover). We've had > a lot of trouble tracking it down, and it's not clear that it's > actually a single bug, since the sbdrop() panic is a sanity check > that can detect a number of types of problems. We could, for > example, be looking at a network interface driver bug. There are > changes in progress in the 7.x branch to further clean up the socket > code on SMP, and they might fix some outstanding problems. There are > a couple of instances of this bug report in the PR database, but if > you could file the below details, it would be helpful. I'm on travel > currently, but will take another stab at this when back. >=20 > Robert N M Watson I filed a bug report. It is available via http://www.freebsd.org/cgi/query-pr.cgi?pr=3D95699 If you need some other information from me, please don't hesitate to query me. --=20 Viele Gruesse, Konstantin Saurbier ------------------------------------------------------ Konstantin Saurbier Tel.: 0521 106 3861 Computerlabor Mathematik U5-138 Universitaet Bielefeld Universitaetsstr.25 33501 Bielefeld email: saurbier@math.uni-bielefeld.de ------------------------------------------------------ --Sig_dQrcsTKtCdUAWTM2AVLu.Kw Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (SunOS) iD8DBQFEPnluWkvQTx5k+y4RAsWYAJ9ARp9TLq20T2EEcZ/6D7Kiw7/8rgCghNih s/TJK6jPSO2Oq4Zobl44jUs= =kFMW -----END PGP SIGNATURE----- --Sig_dQrcsTKtCdUAWTM2AVLu.Kw--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20060413181642.000040c2>