From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933190AbXCVPaV (ORCPT ); Thu, 22 Mar 2007 11:30:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933192AbXCVPaV (ORCPT ); Thu, 22 Mar 2007 11:30:21 -0400 Received: from wr-out-0506.google.com ([64.233.184.237]:58286 "EHLO wr-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933190AbXCVPaU (ORCPT ); Thu, 22 Mar 2007 11:30:20 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references:x-google-sender-auth; b=H+sk1F8dIAm8pD/Asn0GhDcr8XLxs2FHsSd5Xs0pGg1VgiMrPJs7p8gF4NcowmxEiq5RVPveGhiuXEiZ/XdFS6uSp11p3qesmre9RgoobSBfcli+bZVf2GiAYrQZ25BJT9h2SPTxpYMmSL4zVUCYiLIiXLOy7J7jQvZ+GgGd9eM= Message-ID: <75b66ecd0703220830wdb4a612u86c80e71d4918cc4@mail.gmail.com> Date: Thu, 22 Mar 2007 11:30:18 -0400 From: "Lee Revell" To: "Cestonaro, Thilo (external)" Subject: Re: how can I touch softlockup watchdog on all cpus? Cc: linux-kernel@vger.kernel.org In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20070321164404.GF13218@redhat.com> X-Google-Sender-Auth: 04a6ad566f3ced6c Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On 3/22/07, Cestonaro, Thilo (external) wrote: > > You didn't explain _why_ you need to sleep for such a long time, > > and as you didn't give a pointer to your code, there's not > > much people can do to recommend changes other than "don't do that". > > The code which is executed between the local_irq_disable and enable, > is just a function call into our companies bios (e.g. for updating itself) > and the long time is just 15 sec. while the bios has full control and OS is halted. > So I can't change anything at this point, but I need to fetch the watchdog, > cause it is not so nice, if there is a big BUG output on console while the > computer updates it's bios, very trustworthy isn't it :). Just disable the softlockup watchdog. Lee