From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760000Ab2C2S3a (ORCPT ); Thu, 29 Mar 2012 14:29:30 -0400 Received: from mx1.redhat.com ([209.132.183.28]:6749 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759686Ab2C2S3X (ORCPT ); Thu, 29 Mar 2012 14:29:23 -0400 Date: Thu, 29 Mar 2012 14:29:19 -0400 From: Dave Jones To: Linus Torvalds Cc: Linux Kernel , Wu Fengguang , "Theodore Ts'o" Subject: Re: lockups shortly after booting in current git. Message-ID: <20120329182919.GB6891@redhat.com> Mail-Followup-To: Dave Jones , Linus Torvalds , Linux Kernel , Wu Fengguang , Theodore Ts'o References: <20120329155542.GA31285@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Mar 29, 2012 at 11:23:57AM -0700, Linus Torvalds wrote: > That's doubly true since I see processes waiting for the journal lock, > but I don't actually see anything waiting for journal IO completion. > Did something not release the journal lock. Even banshee - that *is* > waiting for actual IO - seems to wait for page_writeback, which is not > done by the *disk* driver, but by the filesystem (end_page_writeback). > So that would be consistent with the ext4 changes having broken that. > > Was there a previous post-3.3 git kernel that worked? This is the first one I tried. (I've not been anywhere with the laptop since 3.3 -- clearly I need to get out more). 3.3 final worked ok though. Dave