Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263971AbTE0Rhw (ORCPT ); Tue, 27 May 2003 13:37:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263979AbTE0Rhw (ORCPT ); Tue, 27 May 2003 13:37:52 -0400 Received: from adsl-67-122-203-155.dsl.pltn13.pacbell.net ([67.122.203.155]:31416 "EHLO ext.storadinc.com") by vger.kernel.org with ESMTP id S263971AbTE0Rhq (ORCPT ); Tue, 27 May 2003 13:37:46 -0400 Message-ID: <3ED3A55E.8080807@storadinc.com> Date: Tue, 27 May 2003 10:50:22 -0700 From: manish User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:0.9.9) Gecko/20020408 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Carl-Daniel Hailfinger CC: Marcelo Tosatti , linux-kernel@vger.kernel.org, Christian Klose , Marc-Christian Petersen , William Lee Irwin III Subject: Re: 2.4.20: Proccess stuck in __lock_page ... References: <3ED2DE86.2070406@storadinc.com> <3ED372DB.1030907@gmx.net> <3ED3A2AB.3030907@gmx.net> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1333 Lines: 46 Carl-Daniel Hailfinger wrote: >Marcelo Tosatti wrote: > >>On Tue, 27 May 2003, Carl-Daniel Hailfinger wrote: >> >>>Marcelo Tosatti wrote: >>> >>>>On Mon, 26 May 2003, manish wrote: >>>> >>>>>All the bonnie process and any other process (like df, ps -ef etc.) are >>>>>hung in __lock_page. Breaking into kdb, I observe the following for one >>>>> >>>Following is SysRq-T output for stuck processes during such a pause from >>>Christian Klose. Only processes in D state are listed for brevity. >>>Especially the last two call traces are interesting. >>> >>A "pause" is perfectly fine (to some extent, of course), now a hang is >>not. Is this backtrace from a hanged, unusable kernel or ? >> > >AFAIK, the kernel is not unusable, but a 20 second pause with no disk >access at all is not nice either. > > >Regards, >Carl-Daniel > Hello ! It is not a system hang but the processes hang showing the same stack trace. This is certainly not a pause since the bonnie processes that were hung (or deadlocked) never completed after several hrs. The stack trace was the same. Thanks Manish - 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/