Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757555Ab0BDJKX (ORCPT ); Thu, 4 Feb 2010 04:10:23 -0500 Received: from mail-yw0-f189.google.com ([209.85.211.189]:54759 "EHLO mail-yw0-f189.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755674Ab0BDJKT (ORCPT ); Thu, 4 Feb 2010 04:10:19 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; b=vy8LR9rHk4sIvRJk7X9JLabnwAsmWUh02O79uaYdexsW8nVb15x1smFXG83FQl1VUU x/i6WK3wKWssEZLtxbOvFXBsI1LXPK89ua/5e0+kBYMNdljqk2cNU6mPhlVfg99RsiTX VHmqRAvz4cKpByPKqFzBhau3C5TeiXaSQLFmk= Message-ID: <4B6A8DA9.4090804@gmail.com> Date: Thu, 04 Feb 2010 01:04:41 -0800 From: "Justin P. Mattock" User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.4pre) Gecko/20091114 Lightning/1.0pre Thunderbird/3.0b4 MIME-Version: 1.0 To: Jan Beulich CC: Ingo Molnar , Dan Carpenter , bernhard.kaindl@gmx.net, Thomas Gleixner , linux1394-devel@lists.sourceforge.net, Stefan Richter , Rafael Wysocki , Kernel Testers List , Linux Kernel Mailing List , ebiderman@xmission.com, hpa@zytor.com Subject: Re: ohci1394_dma=early crash since 2.6.32 (was Re: [Bug #14487] PANIC: early exception 08 rip 246:10 error ffffffff810251b5 cr2 0) References: <4B6630CA.9010207@gmail.com> <20100201125441.GB2576@bicker> <4B671606.3080405@gmail.com> <4B673233.8000300@s5r6.in-berlin.de> <4B6740B5.5070601@gmail.com> <4B675534.5070107@s5r6.in-berlin.de> <4B676917.2080506@gmail.com> <4B67BC12.4080709@s5r6.in-berlin.de> <4B67C4D2.5050205@gmail.com> <4B67CC55.40301@s5r6.in-berlin.de> <4B67CCEC.2030103@s5r6.in-berlin.de> <4B68D4CA.2010803@gmail.com> <4B694D5C020000780002D6DA@vpn.id2.novell.com> <4B6A0123.3010607@gmail.com> <4B6A9960020000780002DA6B@vpn.id2.novell.com> In-Reply-To: <4B6A9960020000780002DA6B@vpn.id2.novell.com> 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 Content-Length: 1536 Lines: 44 On 02/04/10 00:54, Jan Beulich wrote: >>>> "Justin P. Mattock" 04.02.10 00:05>>> >> [ 0.000000] 0100000000 - 0140000000 page 2M >> [ 0.000000] kernel direct mapping tables up to 140000000 @ b000-11000 >> [ 0.000000] init_ohci1394_dma: initializing OHCI-1394 at 05:00.0 >> [ 0.000000] bootmem alloc of 4096 bytes failed! >> [ 0.000000] Kernel panic - not syncing: Out of memory >> [ 0.000000] Pid: 0, comm: swapper Not tainted >> 2.6.33-rc6-00072-gab65832 # 39 >> [ 0.000000] Call Trace: >> >> then the rest shown on the picture on the bug report. >> >> Out of memory? > > bootmem allocation before bootmem was even initialized. And that's > likely because the code tries to populate the pmd that (due to the > issue explained yesterday) isn't statically initialized. > > Jan > > I'll have a look at this in the morning(late over here), but one thing I'm seeing is the device numbers: the error shows 05:00.0 while on a good go of this I saw the address at **3** something(can grab the info later for you). which probably goes to what you are saying: tries to populate the pmd a quick google on this showed somewhere at bootmem.c any ideas on this or where this might be caused besides fixmap? (or is fixmap the main location?); Justin P. Mattock -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/