From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755143AbYE3Vti (ORCPT ); Fri, 30 May 2008 17:49:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752506AbYE3Vt0 (ORCPT ); Fri, 30 May 2008 17:49:26 -0400 Received: from mga06.intel.com ([134.134.136.21]:64795 "EHLO orsmga101.jf.intel.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751198AbYE3Vt0 (ORCPT ); Fri, 30 May 2008 17:49:26 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.27,568,1204531200"; d="scan'208";a="286560570" Message-ID: <48407667.5040001@linux.intel.com> Date: Fri, 30 May 2008 14:49:27 -0700 From: Arjan van de Ven User-Agent: Thunderbird 2.0.0.14 (Windows/20080421) MIME-Version: 1.0 To: Linus Torvalds CC: Hugh Dickins , Linux Kernel Mailing List , Andrew Morton , Ingo Molnar , Greg KH , Jeff Garzik Subject: Re: Top kernel oopses/warnings for the week of May 30th 2008 References: <48402DAA.60202@linux.intel.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Linus Torvalds wrote: > > On Fri, 30 May 2008, Hugh Dickins wrote: >> On Fri, 30 May 2008, Arjan van de Ven wrote: >>> Rank 7: set_page_address (oops) >>> Reported 53 times (65 total reports) >>> crash coming from flush_all_zero_pkmaps; was this fixed by Hugh the >>> other day? >> No, not at all. But I'll have a little ponder over it. > > It's a BUG_ON(), but sadly the oops gatherer doesn't seem to gather that > part. You can see it from the code portion: the "<0f> 0b" gives it away > (that's the ud2 opcode). I've seen it a few more times the last few weeks, I'll dig into how that is happening. Maybe we changed the bug_on text to miss my regexps ;( (it's only about 1000 lines of perl, so what can go wrong in that ;-)