From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756386AbZCEW0j (ORCPT ); Thu, 5 Mar 2009 17:26:39 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753882AbZCEW03 (ORCPT ); Thu, 5 Mar 2009 17:26:29 -0500 Received: from smtp1.infomaniak.ch ([84.16.68.89]:47533 "EHLO smtp1.infomaniak.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754310AbZCEW01 (ORCPT ); Thu, 5 Mar 2009 17:26:27 -0500 X-Greylist: delayed 459 seconds by postgrey-1.27 at vger.kernel.org; Thu, 05 Mar 2009 17:26:27 EST Message-ID: <49B04FC0.4070102@calvert.ch> Date: Thu, 05 Mar 2009 23:18:40 +0100 From: Thomas Calvert User-Agent: Thunderbird 2.0.0.19 (X11/20090303) MIME-Version: 1.0 To: linux-kernel@vger.kernel.org Subject: Kernel oops when writing NAND - hardware failure? Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Antivirus: Dr.Web (R) for Mail Servers on smtp1 host X-Antivirus-Code: 100000 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello to you all! This is my first time posting on this list, so if I transgress any rules please forgive me (and tell me so I won't do it again). I have an embedded ARM926EJ-based at91sam9263ek board on which I want to get a JFFS2 partition on NAND. Unfortunately, whenever I try to fill the filesystem (by regular cp onto the mounted partition or by dd'ing an image), I eventually get a kernel oops. Usually I have to scrub the NAND afterwards for that part to become usable again (subsequent accesses immediately generate I/O error). This happens both with my kernel and with the precompiled one from linux4sam.org. My question is, is this a hardware fault? Or have I done something wrong? I am aware that I am not the most knowledgeable person in the embedded area, but my googling has not yielded any results, and I would be most grateful for any tips. I am not suscribed to the list, please CC me any follow-ups. Thank you in advance, - Thomas Typical oops (always seems to happen at a different moment) : Unable to handle kernel paging request at virtual address e5945b1c pgd = c3ad4000 [e5945b1c] *pgd=00000000 Internal error: Oops: 0 [#1] Modules linked in: CPU: 0 Not tainted (2.6.27 #5) PC is at 0xe5945b1c LR is at nand_write_page+0x80/0xd8 pc : [] lr : [] psr: 40000013 sp : c3973a60 ip : 000000c3 fp : c3973a84 r10: 00000800 r9 : 00000000 r8 : 0001f084 r7 : 0001f084 r6 : c3ab4000 r5 : c39fe718 r4 : c39fe600 r3 : ffffffff r2 : ffffffff r1 : 00000010 r0 : c39fe718 Flags: nZcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 0005317f Table: 23ad4000 DAC: 00000015 Process cp (pid: 871, stack limit = 0xc3972268) Stack: (0xc3973a60 to 0xc3974000) 3a60: c3973a84 c3973a70 00000800 c39fe600 00000000 c3ab4000 c3973adc c3973a88 3a80: c01b4288 c01b3c60 00000000 00000000 09700722 c39fe718 00000000 0001f084 3aa0: 0000003f 00000000 00000000 c3ab4000 00000000 c39fe600 c39fe718 0f842000 3ac0: 00000000 00000800 0f5a2434 00000800 c3973b0c c3973ae0 c01b4480 c01b3ff4 3ae0: c39fe6e4 083009b9 0f5a2000 00000000 0fd60000 00000000 00000000 00000044 3b00: c3973b3c c3973b10 c01ad07c c01b43f8 00000800 c3973b74 c3ab4000 099a09c9 3b20: c3aa942c c3aa942c c3af8f24 c3aa9400 c3973ba4 c3973b40 c013a034 c01acfdc 3b40: 00000800 c3973b74 c3ab4000 09430983 08c30912 0863096e 07e308f2 087d0801 3b60: 06fa09c0 06630961 09ef08b2 05c80543 07c80892 c3aa9400 c3aa9400 00000800 3b80: 00000e84 c3aa9400 00000000 c3a7d000 0f5a2434 00000044 c3973c0c c3973ba8 3ba0: c013ad98 c0139eb8 09e9089d 07bd08dd 0000091f 09620770 08270792 00000002 3bc0: c3973c30 c3aa951c 00000001 00000008 0f5a2434 0f5a23f0 080f077d 000003cc 3be0: c3a7d000 c3a7d000 c3aa2000 0f5a23f0 00000000 0f5a23f0 c3bb3600 c3aa9400 3c00: c3973c74 c3973c10 c01325f8 c013ab98 0f5a23f0 00000000 c3973c44 000017e1 3c20: c1b796d8 00000ec8 00000000 00000002 c3aa2000 00000044 c3a7d000 00000e84 3c40: 00001000 00001000 00001000 00000000 00000000 00000007 00000005 00000520 3c60: c3aa2000 c1b796d8 c3973cd4 c3973c78 c0132c88 c0132478 00000e84 00000003 3c80: 00000084 00000007 c08f7000 c3aa9400 00000000 00000000 00000e84 00001000 3ca0: 0001dba0 c3a7d000 00001000 c3aa2028 c3aa2000 c1b79700 c0355ee0 00000000 3cc0: 00001000 00000000 c3973d34 c3973cd8 c012d52c c01329dc 00052000 00001000 3ce0: c3973d04 c00edc40 00052000 00000000 00052000 00000000 00001000 c3aa9400 3d00: 00000000 00000000 00001000 00001000 00001000 00052000 00000000 00000000 3d20: c3973d88 c3972000 c3973dcc c3973d38 c0065f34 c012d3a4 00001000 00001000 3d40: c0355ee0 c009a7f0 c1b79798 c3973e98 c3964400 c1b79798 c02717a4 c1b79700 3d60: 00000000 00001000 00000000 c02717a4 c00433cc c0042f50 49b04975 02425cc3 3d80: c009de78 c3973da0 c3973f28 00000001 00000000 00002000 c009a7f0 c0355ee0 3da0: 49b04975 c1b79700 00002000 00052000 00000000 c1b79700 00000000 c3973f28 3dc0: c3973e4c c3973dd0 c0066a78 c0065db8 00052000 00000000 c3973ee8 00002000 3de0: 00000000 c3973df0 c3973ee8 c3973e98 00000000 00000054 c3964400 c1b79798 3e00: 00000000 00000001 00000053 00000001 00000015 00002000 00000000 00002000 3e20: 00000000 c1b7976c c3973e98 c3973f28 c1b79700 00052000 00000000 00000001 3e40: c3973e8c c3973e50 c0066b60 c0066668 c00ec8e4 c0066e58 c3964400 c1b79798 3e60: c3973f78 c3973e98 c3964400 c3973f78 00002000 c002a3cc c3972000 00900004 3e80: c3973f4c c3973e90 c0086570 c0066af8 00052000 00000000 00000000 49b04973 3ea0: 00000000 00000001 ffffffff c3964400 00000000 00000000 00000000 00000000 3ec0: c3872900 00000001 00000000 00000000 00000000 c3872900 c0052a30 c3973edc 3ee0: c3973edc 00001000 00052000 00000000 49b04973 00000000 c0326008 c39f1238 3f00: 00002000 00000024 c3973f3c c3973f18 c003ab58 00000000 00000000 c342dbd4 3f20: c3973f54 00000001 00025000 00002000 c3964400 c3964400 00025000 c3973f78 3f40: c3973f74 c3973f50 c0086e74 c00864d0 00000000 c00564a8 c3964400 fffffff7 3f60: 00052000 00000000 c3973fa4 c3973f78 c008732c c0086dcc 00052000 00000000 3f80: c0263578 00000000 00002000 00002000 00025000 00000004 00000000 c3973fa8 3fa0: c0029ba0 c00872f8 00002000 00002000 00000004 00025000 00002000 00000000 3fc0: 00002000 00002000 00025000 00000004 7fffe000 0001fbf0 000219e0 be944810 3fe0: 00000000 be9444f8 000120d4 401092a4 60000010 00000004 00000000 00000000 Backtrace: [] (nand_write_page+0x0/0xd8) from [] (nand_do_write_ops+0x2a4/0x328) r7:c3ab4000 r6:00000000 r5:c39fe600 r4:00000800 [] (nand_do_write_ops+0x0/0x328) from [] (nand_write+0x98/0xbc) [] (nand_write+0x0/0xbc) from [] (part_write+0xb0/0xb8) [] (part_write+0x0/0xb8) from [] (__jffs2_flush_wbuf+0x18c/0xce0) r6:c3aa9400 r5:c3af8f24 r4:c3aa942c [] (__jffs2_flush_wbuf+0x0/0xce0) from [] (jffs2_flash_writev+0x210/0x418) [] (jffs2_flash_writev+0x0/0x418) from [] (jffs2_write_dnode+0x190/0x43c) [] (jffs2_write_dnode+0x0/0x43c) from [] (jffs2_write_inode_range+0x2bc/0x3ec) [] (jffs2_write_inode_range+0x0/0x3ec) from [] (jffs2_write_end+0x198/0x2f0) [] (jffs2_write_end+0x0/0x2f0) from [] (generic_file_buffered_write+0x18c/0x668) [] (generic_file_buffered_write+0x0/0x668) from [] (__generic_file_aio_write_nolock+0x420/0x490) [] (__generic_file_aio_write_nolock+0x0/0x490) from [] (generic_file_aio_write+0x78/0xf4) [] (generic_file_aio_write+0x0/0xf4) from [] (do_sync_write+0xb0/0x100) [] (do_sync_write+0x0/0x100) from [] (vfs_write+0xb8/0x148) r6:c3973f78 r5:00025000 r4:c3964400 [] (vfs_write+0x0/0x148) from [] (sys_write+0x44/0x70) r7:00000000 r6:00052000 r5:fffffff7 r4:c3964400 [] (sys_write+0x0/0x70) from [] (ret_fast_syscall+0x0/0x2c) r7:00000004 r6:00025000 r5:00002000 r4:00002000 Code: bad PC value. ---[ end trace 102f070c3025cfd0 ]---