Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935643AbXJQUwh (ORCPT ); Wed, 17 Oct 2007 16:52:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757655AbXJQUw3 (ORCPT ); Wed, 17 Oct 2007 16:52:29 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:45245 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753535AbXJQUw2 (ORCPT ); Wed, 17 Oct 2007 16:52:28 -0400 Date: Wed, 17 Oct 2007 22:51:39 +0200 From: Ingo Molnar To: Jens Axboe Cc: Linus Torvalds , linux-kernel@vger.kernel.org, Jeff Garzik , Alan Cox Subject: Re: [bug] ata subsystem related crash with latest -git Message-ID: <20071017205139.GA32469@elte.hu> References: <20071017173408.GA1960@elte.hu> <20071017174503.GA4622@elte.hu> <20071017175337.GN15552@kernel.dk> <20071017183716.GU15552@kernel.dk> <20071017190901.GA13780@elte.hu> <20071017193542.GA15552@kernel.dk> <20071017195659.GD15552@kernel.dk> <20071017200638.GE15552@kernel.dk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20071017200638.GE15552@kernel.dk> User-Agent: Mutt/1.5.14 (2007-02-12) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.1.7-deb -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3562 Lines: 67 * Jens Axboe wrote: > --- a/block/ll_rw_blk.c > +++ b/block/ll_rw_blk.c > @@ -631,7 +631,7 @@ void blk_queue_max_phys_segments(struct request_queue *q, > printk("%s: set to minimum %d\n", __FUNCTION__, max_segments); > } > > - q->max_phys_segments = max_segments; > + q->max_phys_segments = max_segments - 1; this one crashes too, if added ontop of all the other fixes so far. Ingo [ 34.711185] EXT3-fs: mounted filesystem with ordered data mode. [ 34.716991] VFS: Mounted root (ext3 filesystem) readonly. [ 34.722712] Freeing unused kernel memory: 372k freed [ 36.112742] BUG: unable to handle kernel paging request at virtual address 7c8b1000 [ 36.120246] printing eip: 784e9490 *pde = 00dda027 *pte = 048b1000 [ 36.126486] Oops: 0000 [#1] DEBUG_PAGEALLOC [ 36.130645] [ 36.132119] Pid: 0, comm: swapper Not tainted (2.6.23 #15) [ 36.137579] EIP: 0060:[<784e9490>] EFLAGS: 00010006 CPU: 0 [ 36.143043] EIP is at ata_qc_issue+0xd0/0x340 [ 36.147371] EAX: 3f896000 EBX: 7c8b1000 ECX: 00000008 EDX: 00000008 [ 36.153610] ESI: 7c86de80 EDI: 7c8b0f80 EBP: 7b54007c ESP: 78a13e28 [ 36.159851] DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 [ 36.165223] Process swapper (pid: 0, ti=78a12000 task=789753e0 task.ti=78a12000) [ 36.172416] Stack: 7c8b1000 7b540000 7b540000 00000000 7c8b0ff0 7b54007c 7c86de80 7b5417a4 [ 36.180735] 784c24a0 784ef62e 784f2183 7b52de98 7c86de80 7b540000 7b5417a4 7c86de80 [ 36.189055] 7b540000 7b524004 784f2270 784ef310 784c24a0 7c86de80 00000206 7b524004 [ 36.197374] Call Trace: [ 36.199975] [<784c24a0>] scsi_done+0x0/0x20 [ 36.204221] [<784ef62e>] ata_scsi_translate+0xbe/0x140 [ 36.209420] [<784f2183>] ata_scsi_queuecmd+0x33/0x200 [ 36.214533] [<784f2270>] ata_scsi_queuecmd+0x120/0x200 [ 36.219733] [<784ef310>] ata_scsi_rw_xlat+0x0/0x220 [ 36.224672] [<784c24a0>] scsi_done+0x0/0x20 [ 36.228918] [<784c2d22>] scsi_dispatch_cmd+0x152/0x290 [ 36.234118] [<78135c67>] trace_hardirqs_on+0x67/0xb0 [ 36.239145] [<784c8c4e>] scsi_request_fn+0x1be/0x370 [ 36.244171] [<78408096>] blk_run_queue+0x36/0x80 [ 36.248850] [<784c7530>] scsi_next_command+0x30/0x50 [ 36.253877] [<784c76bb>] scsi_end_request+0xab/0xe0 [ 36.258817] [<784c83c9>] scsi_io_completion+0xa9/0x3d0 [ 36.264016] [<78135c67>] trace_hardirqs_on+0x67/0xb0 [ 36.269043] [<78405125>] blk_done_softirq+0x45/0x80 [ 36.273983] [<78405153>] blk_done_softirq+0x73/0x80 [ 36.278922] [<7811d4c3>] __do_softirq+0x53/0xb0 [ 36.283515] [<7811d588>] do_softirq+0x68/0x70 [ 36.287935] [<78105351>] do_IRQ+0x51/0x90 [ 36.292008] [<78135c9c>] trace_hardirqs_on+0x9c/0xb0 [ 36.297034] [<7810388e>] common_interrupt+0x2e/0x40 [ 36.301974] [<78100c55>] cpu_idle+0x35/0x60 [ 36.306220] [<78a14b35>] start_kernel+0x265/0x300 [ 36.310987] [<78a14380>] unknown_bootoption+0x0/0x1e0 [ 36.316100] ======================= [ 36.319653] Code: 84 d9 01 00 00 7e 32 31 d2 89 f6 8b 1c 24 83 c2 01 8b 03 2b 05 f8 ec d7 78 c1 f8 05 c1 e0 0c 03 43 04 89 43 08 83 c3 10 89 1c 24 <8b> 03 a8 01 0f 85 58 02 00 00 39 ca 75 d2 f0 83 44 24 00 00 85 [ 36.338458] EIP: [<784e9490>] ata_qc_issue+0xd0/0x340 SS:ESP 0068:78a13e28 [ 36.345305] Kernel panic - not syncing: Fatal exception in interrupt - 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/