Date: Thu, 11 Mar 2004 00:01:05 +0200 From: Ruslan Ermilov <ru@freebsd.org> To: Poul-Henning Kamp <phk@phk.freebsd.dk> Cc: current@freebsd.org Subject: Re: MD(4)/vnode hangs resolved (?) Message-ID: <20040310220105.GB93302@ip.net.ua> In-Reply-To: <20040310163013.GI90219@ip.net.ua> References: <34954.1078861189@critter.freebsd.dk> <20040310163013.GI90219@ip.net.ua>
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--6sX45UoQRIJXqkqR Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Mar 10, 2004 at 06:30:13PM +0200, Ruslan Ermilov wrote: > On Tue, Mar 09, 2004 at 08:39:49PM +0100, Poul-Henning Kamp wrote: > >=20 > > Those of you who have experienced that md(4) backed by vnodes hang your > > systems, please try this patch: > >=20 > > http://phk.freebsd.dk/patch/md.patch > >=20 > [...] > > This solves the case where the system get stuck in "wdrain" because > > a md(4)/vnode device is relatively large compared to the buffer cache. > >=20 > I still have that script that causes the lockup. When I get back > home (should happen in less than an hour), I will give it a shot > and let you know. Thanks for tracking it down, "make release" on > IA-64 will be grateful too! ;) >=20 Hmm. I tried to reproduce the deadlock today on my fresh 5.2-CURRENT laptop without your patch, using that script from "make release", but to no avail. Still, I hope it fixes the issue. Thanks again for looking into it! Cheers, --=20 Ruslan Ermilov FreeBSD committer ru@FreeBSD.org --6sX45UoQRIJXqkqR Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (FreeBSD) iD8DBQFAT5AhUkv4P6juNwoRAh51AJ9SiM5ibUorC8VKau6BfaM+HlTStACeODSn MmmVleOp+99KmNuwDHEpl10= =a14h -----END PGP SIGNATURE----- --6sX45UoQRIJXqkqR--
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