From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S936220Ab3DJMOP (ORCPT ); Wed, 10 Apr 2013 08:14:15 -0400 Received: from merlin.infradead.org ([205.233.59.134]:53387 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935141Ab3DJMOO (ORCPT ); Wed, 10 Apr 2013 08:14:14 -0400 Date: Wed, 10 Apr 2013 14:13:50 +0200 From: Jens Axboe To: Jan Kara Cc: Jongman Heo , "linux-kernel@vger.kernel.org" , Phillip Susi Subject: Re: [3.9-rc5 regression, BISECTED] INFO: task umount:29671 blocked for more than 120 seconds Message-ID: <20130410121350.GB12244@kernel.dk> References: <20130410120639.GC11686@quack.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130410120639.GC11686@quack.suse.cz> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Apr 10 2013, Jan Kara wrote: > Axboe , Phillip Susi > Bcc: > Subject: Re: [3.9-rc5 regression, BISECTED] INFO: task umount:29671 blocked > for more than 120 seconds > Reply-To: > In-Reply-To: <12072206.85601365230982200.JavaMail.weblogic@epml02> > > Hello, > > On Sat 06-04-13 06:49:42, Jongman Heo wrote: > > Once I reported this issue (on 1st Apr), and have just done git bisect. > > > > I hit kernel hang with 3.9-rc5, during unmount (the device was mounted via loop device, in case it matters). > This is known problem and I think already fixed. BTW, it's good to CC > author of the patch and the relevant maintainer when you bisected the > problem to a particular patch. Yep it is, revert went into Linus -git yesterday. And agree on CC'ing the patch author and maintainer, it's the best way to ensure that it gets the proper attention it deserves. -- Jens Axboe