From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755902Ab3EQNGX (ORCPT ); Fri, 17 May 2013 09:06:23 -0400 Received: from mx1.redhat.com ([209.132.183.28]:1711 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753907Ab3EQNGW (ORCPT ); Fri, 17 May 2013 09:06:22 -0400 Date: Fri, 17 May 2013 09:06:14 -0400 From: Don Zickus To: Li Zefan Cc: Ingo Molnar , LKML Subject: Re: [PATCH 1/3] watchdog: Disallow setting watchdog_thresh to -1 Message-ID: <20130517130614.GF78758@redhat.com> References: <51959668.9040106@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <51959668.9040106@huawei.com> 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 Fri, May 17, 2013 at 10:31:04AM +0800, Li Zefan wrote: > In old kernels, it's allowed to set softlockup_thresh to -1 or 0 > to disable softlockup detection. However watchdog_thresh only > uses 0 to disable detection, and setting it to -1 just froze my > box and nothing I can do but reboot. > > Signed-off-by: Li Zefan Acked-by: Don Zickus