Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753247Ab2EaKwE (ORCPT ); Thu, 31 May 2012 06:52:04 -0400 Received: from mail-bk0-f46.google.com ([209.85.214.46]:65033 "EHLO mail-bk0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751799Ab2EaKwB (ORCPT ); Thu, 31 May 2012 06:52:01 -0400 Subject: Re: [PATCH] block: avoid infinite loop in get_task_io_context() From: Eric Dumazet To: Jens Axboe Cc: Linus Torvalds , "linux-kernel@vger.kernel.org" , Tejun Heo , Alan Cox , Andrew Morton In-Reply-To: <4FC74C59.2030100@fusionio.com> References: <4FC6189B.9080909@fusionio.com> <1338402812.2760.413.camel@edumazet-glaptop> <4FC66D3D.6080509@fusionio.com> <1338404902.2760.451.camel@edumazet-glaptop> <1338410107.2760.544.camel@edumazet-glaptop> <1338460706.2760.1330.camel@edumazet-glaptop> <4FC74C59.2030100@fusionio.com> Content-Type: text/plain; charset="UTF-8" Date: Thu, 31 May 2012 12:51:56 +0200 Message-ID: <1338461516.2760.1333.camel@edumazet-glaptop> Mime-Version: 1.0 X-Mailer: Evolution 2.28.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 605 Lines: 20 On Thu, 2012-05-31 at 12:47 +0200, Jens Axboe wrote: > BUG: soft lockup - CPU#3 stuck for 22s ! [mountall.1603] > > Eric, do you have a task trace to go with this lockup, where task != > current? > > In any case, it is a legit bug fix. I have applied it. > Unfortunately I couldn't get netconsole working at this stage... syscall was sys_ioprio_set() -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/