Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753915Ab1E3CvH (ORCPT ); Sun, 29 May 2011 22:51:07 -0400 Received: from mail-ww0-f44.google.com ([74.125.82.44]:51207 "EHLO mail-ww0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753104Ab1E3CvE (ORCPT ); Sun, 29 May 2011 22:51:04 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=subject:from:to:cc:in-reply-to:references:content-type:date :message-id:mime-version:x-mailer:content-transfer-encoding; b=NU9OCpcV28QMoM5uYl/IeqdRX8E9kdk00fuGWMu8BhxruiyjDhNpIllC0vgGpZonvD cFpzktoiB4aJp4Jgzpiihzp9w/wkbF2qDuA003znxqXyeFRVxFJb/bdEQDpkU5cwNpLm 88JXFMcDgbZvTsnipMmwRzWDuIcKDV2tO882c= Subject: Re: [GIT PULL] Follow up block fixes From: Eric Dumazet To: Jens Axboe Cc: Linus Torvalds , "linux-kernel@vger.kernel.org" In-Reply-To: <4DDFA2B6.3000404@fusionio.com> References: <4DDFA2B6.3000404@fusionio.com> Content-Type: text/plain; charset="UTF-8" Date: Mon, 30 May 2011 04:50:59 +0200 Message-ID: <1306723859.6368.1.camel@edumazet-laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.32.2 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4817 Lines: 88 Le vendredi 27 mai 2011 à 15:10 +0200, Jens Axboe a écrit : > Hi Linus, > > Mainly pushing this a bit early to resolve an oops that has been > reported by Eric Dumazet. Hi Jens 3.0.0-rc1 on another machine gives similar problem, but at least machine survives. This is a different driver this time (cciss) [ 3.371604] BUG: unable to handle kernel paging request at 000103b9 [ 3.371724] IP: [] part_discard_alignment_show+0x20/0x70 [ 3.371818] *pdpt = 00000000346db001 *pde = 0000000000000000 [ 3.371936] Oops: 0000 [#1] SMP [ 3.372050] Modules linked in: [ 3.372131] [ 3.372180] Pid: 1288, comm: udevstart Not tainted 3.0.0-rc1-00074-gde5113a-dirty #585 HP ProLiant BL460c G1 [ 3.372323] EIP: 0060:[] EFLAGS: 00010202 CPU: 0 [ 3.372378] EIP is at part_discard_alignment_show+0x20/0x70 [ 3.372433] EAX: f4549318 EBX: 00010101 ECX: f4022000 EDX: 00000000 [ 3.372490] ESI: c0334140 EDI: c060c7cc EBP: f426ff20 ESP: f426ff08 [ 3.372546] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 [ 3.372601] Process udevstart (pid: 1288, ti=f426e000 task=f4e80000 task.ti=f426e000) [ 3.372673] Stack: [ 3.372722] f426ff20 c02c2515 00000000 c07c6c94 c0334140 c060c7cc f426ff30 c041e35f [ 3.373043] f3f63210 f4485e80 f426ff64 c0336c3b f426ff64 c02e45cc c02ee25b 00000005 [ 3.373364] c060c7cc 00001000 08205888 f4485e94 00001000 f4e4a0c0 08205888 f426ff8c [ 3.378241] Call Trace: [ 3.378294] [] ? page_address+0x15/0xf0 [ 3.378349] [] ? part_inflight_show+0x40/0x40 [ 3.378405] [] dev_attr_show+0x1f/0x50 [ 3.378460] [] sysfs_read_file+0x7b/0x120 [ 3.378515] [] ? rw_verify_area+0x6c/0x120 [ 3.378570] [] ? putname+0x2b/0x40 [ 3.378624] [] vfs_read+0x88/0x150 [ 3.378678] [] ? sysfs_open_file+0x240/0x240 [ 3.378733] [] sys_read+0x3d/0x70 [ 3.378793] [] syscall_call+0x7/0xb [ 3.378846] Code: 90 90 90 90 90 90 90 90 90 90 90 55 89 e5 83 ec 18 89 5d f4 89 75 f8 89 7d fc 3e 8d 74 26 00 31 d2 8b 98 ec 00 00 00 85 db 74 13 <8b> bb b8 02 00 00 8b 40 e8 8b b3 bc 02 00 00 85 ff 75 25 89 54 [ 3.380013] EIP: [] part_discard_alignment_show+0x20/0x70 SS:ESP 0068:f426ff08 [ 3.380013] CR2: 00000000000103b9 [ 3.381173] ---[ end trace e0e7dbf11c30779f ]--- [ 3.402346] BUG: unable to handle kernel paging request at 000103b9 [ 3.402465] IP: [] part_discard_alignment_show+0x20/0x70 [ 3.402559] *pdpt = 000000003475b001 *pde = 0000000000000000 [ 3.402677] Oops: 0000 [#2] SMP [ 3.402789] Modules linked in: [ 3.402870] [ 3.402919] Pid: 1289, comm: udevstart Tainted: G D 3.0.0-rc1-00074-gde5113a-dirty #585 HP ProLiant BL460c G1 [ 3.403059] EIP: 0060:[] EFLAGS: 00010202 CPU: 0 [ 3.403114] EIP is at part_discard_alignment_show+0x20/0x70 [ 3.403169] EAX: f4549318 EBX: 00010101 ECX: f45e8000 EDX: 00000000 [ 3.403226] ESI: c0334140 EDI: c060c7cc EBP: f4311f20 ESP: f4311f08 [ 3.403282] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 [ 3.403337] Process udevstart (pid: 1289, ti=f4310000 task=f4e80c20 task.ti=f4310000) [ 3.403409] Stack: [ 3.403457] f4311f20 c02c2515 00000000 c07c6c94 c0334140 c060c7cc f4311f30 c041e35f [ 3.403779] f3f63210 f4485e80 f4311f64 c0336c3b f4311f64 c02e45cc c02ee25b 00000004 [ 3.404101] c060c7cc 00001000 08205888 f4485e94 00001000 f45ef300 08205888 f4311f8c [ 3.404422] Call Trace: [ 3.404473] [] ? page_address+0x15/0xf0 [ 3.404527] [] ? part_inflight_show+0x40/0x40 [ 3.404583] [] dev_attr_show+0x1f/0x50 [ 3.404637] [] sysfs_read_file+0x7b/0x120 [ 3.404692] [] ? rw_verify_area+0x6c/0x120 [ 3.404749] [] ? putname+0x2b/0x40 [ 3.404803] [] vfs_read+0x88/0x150 [ 3.404856] [] ? sysfs_open_file+0x240/0x240 [ 3.404911] [] sys_read+0x3d/0x70 [ 3.404965] [] syscall_call+0x7/0xb [ 3.405018] Code: 90 90 90 90 90 90 90 90 90 90 90 55 89 e5 83 ec 18 89 5d f4 89 75 f8 89 7d fc 3e 8d 74 26 00 31 d2 8b 98 ec 00 00 00 85 db 74 13 <8b> bb b8 02 00 00 8b 40 e8 8b b3 bc 02 00 00 85 ff 75 25 89 54 [ 3.407137] EIP: [] part_discard_alignment_show+0x20/0x70 SS:ESP 0068:f4311f08 [ 3.407274] CR2: 00000000000103b9 [ 3.407325] ---[ end trace e0e7dbf11c3077a0 ]--- [ 3.511098] EXT3-fs: barriers not enabled [ 3.516279] kjournald starting. 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