From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760604AbXKMSAd (ORCPT ); Tue, 13 Nov 2007 13:00:33 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759486AbXKMSAO (ORCPT ); Tue, 13 Nov 2007 13:00:14 -0500 Received: from main.gmane.org ([80.91.229.2]:49762 "EHLO ciao.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759447AbXKMSAN (ORCPT ); Tue, 13 Nov 2007 13:00:13 -0500 X-Injected-Via-Gmane: http://gmane.org/ To: linux-kernel@vger.kernel.org From: Florian Boelstler Subject: Re: Strange delays / what usually happens every 10 min? Date: Tue, 13 Nov 2007 18:58:35 +0100 Message-ID: References: <4739CBF0.8000500@redhat.com> <4739D5E1.5060108@anagramm.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: fw-emea.rohde-schwarz.com User-Agent: Thunderbird 2.0.0.0 (Windows/20070326) In-Reply-To: <4739D5E1.5060108@anagramm.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi Clemens, Clemens Koller wrote: > > This is precisely the sort of thing that BIOS/firmware-level SMI > > handlers do, particularly those that have monitoring or management > > features. Try to determine if the kernel is doing anything during this > > time. If the entire kernel seems to be frozen, talk to the people who > > wrote the firmware. > > There is no such thing as BIOS on this MPC8540 embedded system. > I guess he is also using some bootloader which just gives full > control to the linux kernel. Correct, it's the U-Boot boot loader. > Florian: > Check the IP route chache flushes, as Eric mentioned. > I'm working on the MPC854x as well. If you send me your scripts, > I can give them a run here to gather more information. > (I'm about to update my kernels here) Thanks, the rhash_entries argument seems to have cured the problem. Cheers, Florian