Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751664Ab3DZOIu (ORCPT ); Fri, 26 Apr 2013 10:08:50 -0400 Received: from mercuryimc.plus.com ([80.229.200.144]:37288 "EHLO centos1.newflow.co.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751090Ab3DZOIt (ORCPT ); Fri, 26 Apr 2013 10:08:49 -0400 Message-ID: <517A8A6F.2030104@newflow.co.uk> Date: Fri, 26 Apr 2013 15:08:47 +0100 From: Mark Jackson User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130329 Thunderbird/17.0.5 MIME-Version: 1.0 To: "linux-mtd@lists.infradead.org" , dedekind1@gmail.com, adrian.hunter@intel.com CC: lkml Subject: BUG: spinlock lockup suspected on CPU#0, flush-ubifs_0_0/844 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4888 Lines: 63 I've encountered a lockup on ubifs ... any ideas ? # ifup eth1 [ 3451.254040] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 3451.262627] pgd = cf468000 [ 3451.265489] [00000000] *pgd=8f48c831, *pte=00000000, *ppte=00000000 [ 3451.272146] Internal error: Oops: 80000007 [#2] ARM [ 3451.277312] CPU: 0 Tainted: G D (3.9.0-rc8-00020-g6e8f1be-dirty #210) [ 3451.285411] PC is at 0x0 [ 3451.288105] LR is at pagevec_lru_move_fn+0x90/0xe4 [ 3451.293172] pc : [<00000000>] lr : [] psr: 600000b3 [ 3451.293172] sp : cf479df4 ip : 00000040 fp : 00000000 [ 3451.305311] r10: c05d8ebc r9 : c0d09e00 r8 : 0000030c [ 3451.310834] r7 : c05b72e8 r6 : 60000013 r5 : 00000002 r4 : c05d8ebc [ 3451.317736] r3 : 00000001 r2 : cf478000 r1 : c05d90f0 r0 : c0d09e00 [ 3451.324639] Flags: nZCv IRQs off FIQs on Mode SVC_32 ISA Thumb Segment user [ 3451.332460] Control: 10c5387d Table: 8f468019 DAC: 00000015 [ 3451.338535] Process sh (pid: 913, stack limit = 0xcf478238) [ 3451.344427] Stack: (0xcf479df4 to 0xcf47a000) [ 3451.349036] 9de0: c05b72dc c009f51c 00000001 [ 3451.357688] 9e00: cf478000 00000001 c05b729c c05b729c cf4813e8 cf411680 cf481658 b6fbc000 [ 3451.366340] 9e20: cf411684 c00a032c cf481808 cf481650 cf481808 c00a0390 b6fbc000 c00b54a0 [ 3451.374992] 9e40: cf4414c0 cf481650 cf4116d8 c041d164 60000113 cf4116dc 60000113 cf4116dc [ 3451.383644] 9e60: cf478000 cf479fb0 b6fbb2b0 c041d260 cf4116fc 00000817 cf411680 cf481808 [ 3451.392295] 9e80: cf411680 cf481808 cf411680 b6fc0000 b6fbc000 cf481650 cf481808 c00b7294 [ 3451.400948] 9ea0: b6fc0000 00000000 cf478000 cf4813e8 00000001 cf481820 b6fbc000 cf481660 [ 3451.409598] 9ec0: b6fc0000 cf411680 00004000 cf478000 cf411684 c00b7980 cf478000 60000093 [ 3451.418249] 9ee0: 00000001 b6fbc000 00000032 cf4116d8 bea3d23c 00000000 00000073 00000000 [ 3451.426901] 9f00: 00000000 00004000 beffc000 00000003 cf478000 00000000 cf411680 00004000 [ 3451.435552] 9f20: 00000032 cf479f84 00000004 c00b7f20 000b6fbc c041d260 c0590b64 cf4116dc [ 3451.444203] 9f40: cf4116d8 00000073 00100100 00000000 00000000 00000003 00003710 b6fbc000 [ 3451.452855] 9f60: 00000032 cf4116d8 bea3d23c c00a92c4 00000032 000b6fbc cf479f84 c00b6790 [ 3451.461506] 9f80: ffffffff 00000000 ffffffff 00000000 b6fbc000 000000c0 c00142e8 cf478000 [ 3451.470157] 9fa0: 00000000 c0014140 00000032 00000000 b6fbc000 00003710 00000003 00000032 [ 3451.478808] 9fc0: ffffffff 00000000 b6fbc000 000000c0 b6fcdf74 b6f73000 00000003 bea3d23c [ 3451.487460] 9fe0: b6fcb0b4 bea3d0f8 b6fba000 b6fc3af8 20000010 b6fbc000 00000000 00000000 [ 3451.496127] [] (pagevec_lru_move_fn+0x90/0xe4) from [] (0xcf481808) [ 3485.901588] BUG: spinlock lockup suspected on CPU#0, flush-ubifs_0_0/844 [ 3485.908722] lock: contig_page_data+0x214/0x9c4, .magic: dead4ead, .owner: sh/913, .owner_cpu: 0 [ 3485.918048] [] (unwind_backtrace+0x0/0x138) from [] (do_raw_spin_lock+0x110/0x154) [ 3485.927916] [] (do_raw_spin_lock+0x110/0x154) from [] (_raw_spin_lock_irqsave+0x4c/0x58) [ 3485.938326] [] (_raw_spin_lock_irqsave+0x4c/0x58) from [] (pagevec_lru_move_fn+0x78/0xe4) [ 3485.948819] [] (pagevec_lru_move_fn+0x78/0xe4) from [] (lru_add_drain_cpu+0x68/0xc0) [ 3485.958853] [] (lru_add_drain_cpu+0x68/0xc0) from [] (lru_add_drain+0xc/0x10) [ 3485.968244] [] (lru_add_drain+0xc/0x10) from [] (__pagevec_release+0xc/0x24) [ 3485.977543] [] (__pagevec_release+0xc/0x24) from [] (write_cache_pages+0x2d0/0x3c0) [ 3485.987484] [] (write_cache_pages+0x2d0/0x3c0) from [] (generic_writepages+0x44/0x60) [ 3485.997620] [] (generic_writepages+0x44/0x60) from [] (__writeback_single_inode+0x28/0xf4) [ 3486.008206] [] (__writeback_single_inode+0x28/0xf4) from [] (writeback_sb_inodes+0x21c/0x3b4) [ 3486.019069] [] (writeback_sb_inodes+0x21c/0x3b4) from [] (__writeback_inodes_wb+0x74/0xb0) [ 3486.029654] [] (__writeback_inodes_wb+0x74/0xb0) from [] (wb_writeback+0x218/0x228) [ 3486.039597] [] (wb_writeback+0x218/0x228) from [] (wb_do_writeback+0x1f8/0x208) [ 3486.049172] [] (wb_do_writeback+0x1f8/0x208) from [] (bdi_writeback_thread+0x8c/0x160) [ 3486.059401] [] (bdi_writeback_thread+0x8c/0x160) from [] (kthread+0xa8/0xb4) [ 3486.068714] [] (kthread+0xa8/0xb4) from [] (ret_from_fork+0x14/0x24) -- 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/