Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261301AbVD3RCN (ORCPT ); Sat, 30 Apr 2005 13:02:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261304AbVD3RCN (ORCPT ); Sat, 30 Apr 2005 13:02:13 -0400 Received: from mail.tv-sign.ru ([213.234.233.51]:19642 "EHLO several.ru") by vger.kernel.org with ESMTP id S261301AbVD3RCG (ORCPT ); Sat, 30 Apr 2005 13:02:06 -0400 Message-ID: <4273BBB4.22EA0EAB@tv-sign.ru> Date: Sat, 30 Apr 2005 21:09:08 +0400 From: Oleg Nesterov X-Mailer: Mozilla 4.76 [en] (X11; U; Linux 2.2.20 i686) X-Accept-Language: en MIME-Version: 1.0 To: Andrew Morton , Jens Axboe , linux-kernel@vger.kernel.org, Maneesh Soni , Benjamin Herrenschmidt , Juergen Kreileder Subject: Re: Fw: [Bug 4559] New: cfq scheduler lockup: NMI oops while runningltp - 20050207 on 2.6.12-rc2-mm3 with kdump enabled References: <20050429000038.1da6f2e1.akpm@osdl.org> <42737D3A.ABEF2022@tv-sign.ru> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 600 Lines: 17 Oleg Nesterov wrote: > > One option is to change __mod_timer() so that it would not > switch ->base when the timer is already running. But this > would be behavioural change: currently __mod_timer() guarantees > that the timer would be armed on the local cpu. Is it acceptable? If yes, I'll send the patch tomorrow. I don't see another solution. Oleg. - 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/