From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030500AbWI0SFe (ORCPT ); Wed, 27 Sep 2006 14:05:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030519AbWI0SFe (ORCPT ); Wed, 27 Sep 2006 14:05:34 -0400 Received: from main.gmane.org ([80.91.229.2]:37312 "EHLO ciao.gmane.org") by vger.kernel.org with ESMTP id S1030500AbWI0SFd (ORCPT ); Wed, 27 Sep 2006 14:05:33 -0400 X-Injected-Via-Gmane: http://gmane.org/ To: linux-kernel@vger.kernel.org From: Markus Dahms Subject: Re: [BUG] Oops on boot (probably ACPI related) Date: Wed, 27 Sep 2006 19:56:13 +0200 Message-ID: References: <200609271424.47824.eike-kernel@sf-tec.de> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT X-Complaints-To: usenet@sea.gmane.org X-Gmane-NNTP-Posting-Host: pd9529ec8.dip0.t-ipconnect.de User-Agent: Pan/0.14.2.91 (As She Crawled Across the Table (Debian GNU/Linux)) Cc: linux-acpi@vger.kernel.org Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Am Wed, 27 Sep 2006 14:24:47 +0200 schrieb Rolf Eike Beer: > I get this on my machine. SMP kernel, linus git from this morning. .config > and test available on request. I encountered a similar bug, but a lot earlier. It seems to be a locking problem, as it is lockdep which does the BUG() for me. It's also an SMP machine in my case, acpi_os_wait_semaphore() is in the call chain, too. No textual output (no serial connection attached, too early for netconsole), but a screenshot: http://automagically.de/images/linux-2.6.18+-acpi-lockup.jpg (154kB) 2.6.18 works for me, newer git versions explode. Maybe it's an SMP-related problem, but it does BUG() before initialization of the second CPU. Markus