From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chr Subject: Re: INFO: task mount:11202 blocked for more than 120 seconds Date: Wed, 12 Mar 2008 20:53:12 +0100 Message-ID: <200803122053.13265.chunkeey@web.de> References: <20080309213441.GQ155407@sgi.com> <2008-03-12-19-03-51+trackit+sam@rfc1149.net> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <2008-03-12-19-03-51+trackit+sam@rfc1149.net> Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org To: Samuel Tardieu Cc: device-mapper development , Christian Kujau , David Chinner , LKML , xfs@oss.sgi.com List-Id: dm-devel.ids On Wednesday 12 March 2008 19:03:51 Samuel Tardieu wrote: > > David> Oh, dm-crypt. Well, I'd definitely start looking there. XFS has > David> a history of exposing dm-crypt bugs, and these hangs appear to > David> be I/O congestion/scheduling related and not XFS. Also, we > David> haven't changed anything related to plug/unplug of block > David> devices in XFS recently, so that also points to some other > David> change as well... > me too... http://lkml.org/lkml/2008/3/11/377 (BTW: I'm still bisecting it... can somebody please confirm that 2.6.24-git17 http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.24-git17.bz2 was the _last_ "good" one?) BTW: by pressing "SYSRQ-S (Emerg. Sync)" over and over again can unlock some but not all "D" tasks... Regards, Chr.