From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755425Ab0GJN4S (ORCPT ); Sat, 10 Jul 2010 09:56:18 -0400 Received: from mail-ww0-f44.google.com ([74.125.82.44]:43446 "EHLO mail-ww0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753560Ab0GJN4R (ORCPT ); Sat, 10 Jul 2010 09:56:17 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; b=gULlC2VMubXmBWxNNUO54cb7nHi8ucwrgQXFAjRd9iGku+ispvfj4QEVLsoBqQp4WU m8iDTcetYyGtvo9cAJIWT4xS4GDXiqzb218NEMPZLyHyD3XDdJKN8kRa59ScGbllSMGj GsRrpSizcnYhO5fTJgTnHIZxver05fGduh690= Date: Sat, 10 Jul 2010 15:56:11 +0200 From: Frederic Weisbecker To: Ingo Molnar Cc: "Rafael J. Wysocki" , Linux Kernel Mailing List , Kernel Testers List , Maciej Rutecki , Alexander Beregalov , Linus Torvalds , Alexander Viro Subject: Re: [Bug #15805] reiserfs locking Message-ID: <20100710135606.GB5306@nowhere> References: <20100710014504.GC5269@nowhere> <20100710070650.GA16248@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20100710070650.GA16248@elte.hu> User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Jul 10, 2010 at 09:06:50AM +0200, Ingo Molnar wrote: > > * Frederic Weisbecker wrote: > > > On Sat, Jul 10, 2010 at 02:33:24AM +0200, Rafael J. Wysocki wrote: > > > This message has been generated automatically as a part of a report > > > of regressions introduced between 2.6.33 and 2.6.34. > > > > > > The following bug entry is on the current list of known regressions > > > introduced between 2.6.33 and 2.6.34. Please verify if it still should > > > be listed and let the tracking team know (either way). > > > > > > > > > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=15805 > > > Subject : reiserfs locking > > > Submitter : Alexander Beregalov > > > Date : 2010-04-15 21:02 (86 days old) > > > Message-ID : > > > References : http://marc.info/?l=linux-kernel&m=127136535323933&w=2 > > > Handled-By : Frederic Weisbecker > > > > > > It's a duplicate of 16334. Or rather 16334 is a duplicate of this > > but the discussion about the issue was more developped in 16334. > > > > Anyway this is not a regression (at least not recent) and the fix > > from Al is in the vfs tree in the for-next branch on commit > > 6c2bdaf089a3876226893fab00dd83596c465ad2 > > "Fix reiserfs_file_release()" > > Since it's a reproducible deadlock maybe the fix should go upstream faster > than v2.6.36? > > Thanks, > > Ingo May be yeah. Although the fix is not a naive trick and it changes a sensitive piece of code. Don't know what Al has planned with it. From mboxrd@z Thu Jan 1 00:00:00 1970 From: Frederic Weisbecker Subject: Re: [Bug #15805] reiserfs locking Date: Sat, 10 Jul 2010 15:56:11 +0200 Message-ID: <20100710135606.GB5306@nowhere> References: <20100710014504.GC5269@nowhere> <20100710070650.GA16248@elte.hu> Mime-Version: 1.0 Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:received:date:from:to:cc :subject:message-id:references:mime-version:content-type :content-disposition:in-reply-to:user-agent; bh=7Q/mER7+a1OgOj3GK085e+nxe0GAsk+2JglpAKEltTM=; b=mT8VYW25fgxS3qA0NgaDJ4Eybxb6CMrkXKx7wwL531mmxdTAg2ApbElGujIyhtrJ0y sEf7vRtf16fBl6eQpm1g0pKVtQk24EXDMvkHuteEc2yPtvJzDMVrctJ4/7KBeuBzdnfP tTUuQ6R0zdLZuzsXoSIHnFIBvphkhKQDxVts8= Content-Disposition: inline In-Reply-To: <20100710070650.GA16248-X9Un+BFzKDI@public.gmane.org> Sender: kernel-testers-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Ingo Molnar Cc: "Rafael J. Wysocki" , Linux Kernel Mailing List , Kernel Testers List , Maciej Rutecki , Alexander Beregalov , Linus Torvalds , Alexander Viro On Sat, Jul 10, 2010 at 09:06:50AM +0200, Ingo Molnar wrote: > > * Frederic Weisbecker wrote: > > > On Sat, Jul 10, 2010 at 02:33:24AM +0200, Rafael J. Wysocki wrote: > > > This message has been generated automatically as a part of a report > > > of regressions introduced between 2.6.33 and 2.6.34. > > > > > > The following bug entry is on the current list of known regressions > > > introduced between 2.6.33 and 2.6.34. Please verify if it still should > > > be listed and let the tracking team know (either way). > > > > > > > > > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=15805 > > > Subject : reiserfs locking > > > Submitter : Alexander Beregalov > > > Date : 2010-04-15 21:02 (86 days old) > > > Message-ID : > > > References : http://marc.info/?l=linux-kernel&m=127136535323933&w=2 > > > Handled-By : Frederic Weisbecker > > > > > > It's a duplicate of 16334. Or rather 16334 is a duplicate of this > > but the discussion about the issue was more developped in 16334. > > > > Anyway this is not a regression (at least not recent) and the fix > > from Al is in the vfs tree in the for-next branch on commit > > 6c2bdaf089a3876226893fab00dd83596c465ad2 > > "Fix reiserfs_file_release()" > > Since it's a reproducible deadlock maybe the fix should go upstream faster > than v2.6.36? > > Thanks, > > Ingo May be yeah. Although the fix is not a naive trick and it changes a sensitive piece of code. Don't know what Al has planned with it.