From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753905AbXJ2PCO (ORCPT ); Mon, 29 Oct 2007 11:02:14 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754999AbXJ2PB6 (ORCPT ); Mon, 29 Oct 2007 11:01:58 -0400 Received: from iucha.net ([209.98.146.184]:53901 "EHLO mail.iucha.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757971AbXJ2PB5 (ORCPT ); Mon, 29 Oct 2007 11:01:57 -0400 Date: Mon, 29 Oct 2007 10:01:55 -0500 From: Florin Iucha To: Trond Myklebust Cc: Linux Kernel Mailing List Subject: Re: pdflush stuck in D state with v2.6.24-rc1-192-gef49c32 Message-ID: <20071029150154.GC25561@iucha.net> References: <20071028152428.GJ7918@iucha.net> <1193665619.7396.8.camel@heimdal.trondhjem.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="Clx92ZfkiYIKRjnr" Content-Disposition: inline In-Reply-To: <1193665619.7396.8.camel@heimdal.trondhjem.org> X-GPG-Key: http://iucha.net/florin_iucha.gpg X-GPG-Fingerprint: 5E59 C2E7 941E B592 3BA4 7DCF 343D 2B14 2376 6F5B User-Agent: Mutt/1.5.16 (2007-06-11) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org --Clx92ZfkiYIKRjnr Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Oct 29, 2007 at 09:46:59AM -0400, Trond Myklebust wrote: > > What could cause this? I use NFS4 to automount the home directories > > from a Solaris10 server, and this box found a few bugs in the NFS4 > > code (fixed in the 2.6.22 kernel). > >=20 > > I'll try running with 2.6.23 again for a few days, to see if I get the > > pdflush stuck. Any other ideas? >=20 > One of them appears to be waiting for i/o congestion to clear up. If the > filesystem is NFS, then that means that some other thread is busy > writing data out to the server. You'll need to look at the rest of the > thread dump to figure out which thread is writing the data out, and > where it is getting stuck. Trond, The full dmesg is at http://iucha.net/2.6.24-rc1/dmesg.stuck_pdflush.gz Cheers, florin --=20 Bruce Schneier expects the Spanish Inquisition. http://geekz.co.uk/schneierfacts/fact/163 --Clx92ZfkiYIKRjnr Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) iD8DBQFHJfXiND0rFCN2b1sRAuleAJ9UDdOE7B/HJyf+eWQQqFyuZ/xUNgCfauYq PzmV7p1+py4/O1jqI4Aeaag= =AVHt -----END PGP SIGNATURE----- --Clx92ZfkiYIKRjnr--