Date: Wed, 15 Mar 2006 13:23:35 -0500 From: Kris Kennaway <kris@obsecurity.org> To: Vadim Goncharov <vadim_nuclight@mail.ru> Cc: freebsd-stable@freebsd.org Subject: Re: panic with ZERO_COPY_SOCKETS on 5.4 (and probably 6.0) Message-ID: <20060315182335.GB85131@xor.obsecurity.org> In-Reply-To: <256754692.20060315183731@mail.ru> References: <256754692.20060315183731@mail.ru>
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--V0207lvV8h4k8FAm Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Mar 15, 2006 at 06:37:31PM +0600, Vadim Goncharov wrote: > Hello freebsd-stable, >=20 > I've seen several panics on a 5.4-STABLE (RELENG_5 at end of January) > under moderate ftpd/samba load with diagnostic: >=20 > vm_page_free: freeing wired page >=20 > Server rebooted after a panic every ~4 hours. Removing > ZERO_COPY_SOCKETS from kernel config resolved problem. > And I've found same diagnostic with same causes in freebsd-current@ > mail lists on a 6.0-RC1: > http://www.freebsd.org/cgi/getmsg.cgi?fetch=3D330124+334658+/usr/local/= www/db/text/2005/freebsd-current/20051023.freebsd-current >=20 > Also, there is a PR with a similar diagnostic (but not sure if it is > ZERO_COPY_SOCKETS problem): > http://www.freebsd.org/cgi/query-pr.cgi?pr=3Dkern/75780 >=20 > I still have coredumps on my machine together with copy of > kernel.debug (although I've updated machine to 5.5-PRERELEASE alredy), > and can provide backtrace etc. if somebody will be interested in this. There were fixes for this after 6.0. I don't know if anyone is interested in merging the fixes to 5.5; you should update to 6.1 for this and many other reasons. Kris --V0207lvV8h4k8FAm Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2.2 (FreeBSD) iD8DBQFEGFumWry0BWjoQKURAhMeAJ43rtdqShCtpUqJ2DiK/pu3krPRSQCfQAbo D2cioCRFjzczR19UV5RlBQs= =KOyT -----END PGP SIGNATURE----- --V0207lvV8h4k8FAm--
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