From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759293AbXGPTMR (ORCPT ); Mon, 16 Jul 2007 15:12:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751094AbXGPTMH (ORCPT ); Mon, 16 Jul 2007 15:12:07 -0400 Received: from ug-out-1314.google.com ([66.249.92.170]:4672 "EHLO ug-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752185AbXGPTMG (ORCPT ); Mon, 16 Jul 2007 15:12:06 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=googlemail.com; s=beta; h=received:message-id:date:from:user-agent:mime-version:to:cc:subject:references:in-reply-to:content-type:content-transfer-encoding; b=exc5JC0mVCQqJsbSndLIzdBxtQZMrJ4Vjmf7idoniYkdYMMSW6KxmC8bxKuzYMqiHXdvrn6jNNsuaWSqSbS0E96/CVzxHFx1rBurV9BEMDV4GeoQZVBW5T7Jg8ttr3jMSrH2ExJgjs7ZXndpLg5xrNISYaeAitfpfibOoynbebk= Message-ID: <469BC2D6.5090008@googlemail.com> Date: Mon, 16 Jul 2007 21:11:18 +0200 From: Gabriel C User-Agent: Thunderbird 2.0.0.4 (X11/20070617) MIME-Version: 1.0 To: Tejun Heo CC: Satyam Sharma , Linux Kernel Mailing List , Christoph Lameter , gregkh@suse.de Subject: Re: Oops while modprobing phy fixed module References: <4698BF14.10807@googlemail.com> <469A5C94.7030201@googlemail.com> <469A9D5D.10509@googlemail.com> <469B61C8.8010902@googlemail.com> <469BB7B8.3060002@gmail.com> <469BB9CA.6090500@googlemail.com> In-Reply-To: <469BB9CA.6090500@googlemail.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Gabriel C wrote: > Tejun Heo wrote: > >> Satyam Sharma wrote: >> >> >>> On 7/16/07, Gabriel C wrote: >>> >>> >>>> Here the bisect result: >>>> >>>> 3007e997de91ec59af39a3f9c91595b31ae6e08b is first bad commit >>>> commit 3007e997de91ec59af39a3f9c91595b31ae6e08b >>>> Author: Tejun Heo >>>> Date: Thu Jun 14 04:27:23 2007 +0900 >>>> >>>> sysfs: use sysfs_mutex to protect the sysfs_dirent tree >>>> >>>> >> Hmmm... Weird. The patch is supposed to make synchronization more >> strict not less unless I've forgotten locking at some place. Gabriel, >> can you please choose SLAB and enable CONFIG_DEBUG_SLAB and >> DEBUG_SLAB_LEAK and see whether kernel complains about something? >> >> > > Sure , give me some minutes. > With DEBUG_SLAB_LEAK set ( and a lot other DEBUG options ) I get on current HEAD ( abce891a10559343d8ac9f79b46d78afdba63a40 ) an Oops too now , just the box isn't died. Config and dmesg can be found there : http://194.231.229.228/2.6.22-gabce891a/ Here it is : [ 199.766878] Fixed PHY: Registered new driver [ 199.768069] BUG: unable to handle kernel paging request at virtual address 6b6b6b87 [ 199.768081] printing eip: [ 199.768085] c01a0796 [ 199.768089] *pde = 00000000 [ 199.768098] Oops: 0000 [#1] [ 199.768102] PREEMPT SMP DEBUG_PAGEALLOC [ 199.768111] Modules linked in: fixed pc87360 hwmon_vid i2c_isa eeprom adm1021 uhci_hcd sr_mod shpchp pci_hotplug ohci_hcd iTCO_wdt iTCO_vendor_support intel_agp i82860_edac i2c_i801 ehci_hcd usbcore edac_mc cdrom agpgart 3c59x mii ext4dev jbd2 capability commoncap loop lp parport_pc parport [ 199.768182] CPU: 1 [ 199.768184] EIP: 0060:[] Not tainted VLI [ 199.768188] EFLAGS: 00210202 (2.6.22-gabce891a #27) [ 199.768205] EIP is at __sysfs_remove_dir+0x20/0x64 [ 199.768213] eax: 00000000 ebx: de583e04 ecx: e5113728 edx: 6b6b6b6b [ 199.768222] esi: e5113738 edi: e5113728 ebp: de583e20 esp: de583e04 [ 199.768230] ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068 [ 199.768238] Process modprobe (pid: 2067, ti=de582000 task=d79174c0 task.ti=de582000) [ 199.768246] Stack: e5113728 00000000 00000000 00000000 d96bcce0 e5113728 00000000 de583e30 [ 199.768271] c01a0810 d96bcce0 d96bcbf8 de583e3c c01db3eb d96bcce0 de583e50 c023e338 [ 199.768298] d96bcbf8 d96bcbf8 e0b3eef0 de583e5c c023e365 d96bcbf0 de583e9c e8c472e8 [ 199.768327] Call Trace: [ 199.768333] [] show_trace_log_lvl+0x1a/0x2f [ 199.768348] [] show_stack_log_lvl+0x9b/0xa3 [ 199.768359] [] show_registers+0x1ce/0x2de [ 199.768370] [] die+0x11f/0x1f8 [ 199.768380] [] do_page_fault+0x438/0x507 [ 199.768392] [] error_code+0x72/0x78 [ 199.768405] [] sysfs_remove_dir+0x2c/0x30 [ 199.768415] [] kobject_del+0xf/0x19 [ 199.768429] [] device_del+0x228/0x24a [ 199.768442] [] device_unregister+0xb/0x15 [ 199.768452] [] fixed_mdio_register_device+0x1dc/0x208 [fixed] [ 199.768467] [] fixed_init+0x1e/0x33 [fixed] [ 199.768479] [] sys_init_module+0x1589/0x1677 [ 199.768493] [] sysenter_past_esp+0x5f/0x99 [ 199.768503] ======================= [ 199.768508] Code: e7 fd ff ff 83 c4 10 5b 5e 5d c3 55 89 e5 57 56 53 83 ec 10 89 c7 85 c0 74 4d 8d 5d e4 89 c2 89 d8 e8 1f fb ff ff 8d 77 10 eb 27 <8b> 42 1c 25 ff 00 00 00 74 1a 83 f8 02 74 15 8b 42 0c 89 06 c7 [ 199.768675] EIP: [] __sysfs_remove_dir+0x20/0x64 SS:ESP 0068:de583e04 Gabriel