From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id n0SIr11K144675 for ; Wed, 28 Jan 2009 12:53:02 -0600 Received: from slurp.thebarn.com (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id 48A68C43C1 for ; Wed, 28 Jan 2009 10:52:19 -0800 (PST) Received: from slurp.thebarn.com (cattelan-host202.dsl.visi.com [208.42.117.202]) by cuda.sgi.com with ESMTP id U0ZBtEY5Fu71Jcwe for ; Wed, 28 Jan 2009 10:52:19 -0800 (PST) Message-ID: <4980A4BB.9050502@thebarn.com> Date: Wed, 28 Jan 2009 12:32:27 -0600 From: Russell Cattelan MIME-Version: 1.0 Subject: Re: XFS trouble: task xfssyncd blocked for more than 120 seconds. References: In-Reply-To: List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============3813669555047342748==" Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: Julian Einwag Cc: xfs@oss.sgi.com This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --===============3813669555047342748== Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig90542657B7197C8294A6B9D5" This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig90542657B7197C8294A6B9D5 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Could get a call trace of all process the next time this happens? srq-t That would help us to see what else is going on and what might be holding things up. Julian Einwag wrote: > Hi, > > we're currently using XFS on our POP/IMAP server for storage of the > user's mailboxes (Linux kernel version 2.6.27.10, x86_64). > Howevere, we're experencing some seemingly random filesystem lockups > during which the filesystem can still be read, but not written. The > following error messages show in in the system logs: > > Jan 27 17:03:01 postman-64b kernel: "echo 0 > > /proc/sys/kernel/hung_task_timeout_secs" disables this message. > Jan 27 17:03:01 postman-64b kernel: xfssyncd D > 0000000100921c06 0 3090 2 > Jan 27 17:03:01 postman-64b kernel: ffff88067b1cbd70 0000000000000046 > 0000000000000000 0000000000000001 > Jan 27 17:03:01 postman-64b kernel: ffff88067a6124c0 ffff88067cc7c980 > ffff88067a612718 00000002a8421200 > Jan 27 17:03:01 postman-64b kernel: 00000000fffffffd 0000000000001000 > 0000000000000000 0000000000000001 > Jan 27 17:03:01 postman-64b kernel: Call Trace: > Jan 27 17:03:01 postman-64b kernel: [] > schedule_timeout+0x1e/0xad > Jan 27 17:03:01 postman-64b kernel: [] > xfs_buf_iorequest+0x5d/0x61 [xfs] > Jan 27 17:03:01 postman-64b kernel: [] > xfs_bdstrat_cb+0x36/0x3a [xfs] > Jan 27 17:03:01 postman-64b kernel: [] > wait_for_common+0xc8/0x132 > Jan 27 17:03:01 postman-64b kernel: [] > default_wake_function+0x0/0xe > Jan 27 17:03:01 postman-64b kernel: [] > xfs_finish_reclaim+0x110/0x13b [xfs] > Jan 27 17:03:01 postman-64b kernel: [] > xfs_finish_reclaim_all+0x84/0xc9 [xfs] > Jan 27 17:03:01 postman-64b kernel: [] > xfs_syncsub+0x4c/0x226 [xfs] > Jan 27 17:03:01 postman-64b kernel: [] > xfs_sync_worker+0x17/0x36 [xfs] > Jan 27 17:03:01 postman-64b kernel: [] > xfssyncd+0x133/0x182 [xfs] > Jan 27 17:03:01 postman-64b kernel: [] > xfssyncd+0x0/0x182 [xfs] > Jan 27 17:03:01 postman-64b kernel: [] > kthread+0x47/0x73 > Jan 27 17:03:01 postman-64b kernel: [] > schedule_tail+0x27/0x5f > Jan 27 17:03:01 postman-64b kernel: [] > child_rip+0xa/0x11 > Jan 27 17:03:01 postman-64b kernel: [] > generic_unplug_device+0x0/0x2d > Jan 27 17:03:01 postman-64b kernel: [] > kthread+0x0/0x73 > Jan 27 17:03:01 postman-64b kernel: [] > child_rip+0x0/0x11 > > Only rebooting helps. > > The filesystem is hosted on a hardware-based RAID5 array. > > We're currently out of ideas on what might be causing this, so any > hints would be greately appreciated. > > Best regards, > Julian Einwag > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs --------------enig90542657B7197C8294A6B9D5 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (Darwin) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFJgKS/NRmM+OaGhBgRApb7AJwO2SZfRQtCBeWXbCfAZqpglDhYEQCfbJpy tTMndI8koWNhat/asyx5nGo= =2+TN -----END PGP SIGNATURE----- --------------enig90542657B7197C8294A6B9D5-- --===============3813669555047342748== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs --===============3813669555047342748==--