On Mon, 28 Jun 2010 10:31:31 +0000 wiebittewas <wiebittewas@xxxxxxxxxxxxxx> wrote: > > maybe someone can explain, what is happened here? > > the kernel is compiled by myself and running without such problems > on another Board of the same type (but other CPU) with multiple raid5. > > it happens while trying to create a ext4-fs on it... > > the dmesg-output follows: > > > [47271.211393] BUG: unable to handle kernel paging request at > 0000080000000008 Looks like a single bit memory error to me. See below - R13 is 0000080000000000 which is almost certainly supposed to be 0. NeilBrown > [47271.212262] IP: [<ffffffff810e50eb>] find_get_page+0x6b/0x100 > [47271.212262] PGD 0 > [47271.212262] Oops: 0000 [#1] SMP > [47271.212262] last sysfs file: > /sys/devices/pci0000:00/0000:00:02.0/0000:02:00.0/host13/target13:0:0/13:0:0:0/queue_depth > [47271.212262] CPU 2 > [47271.212262] Modules linked in: af_packet ipv6 softdog e1000 > via_rhine r8169 mii forcedeth lp parport sata_sil msr ext4 crc16 > jbd2 aufs exportfs raid456 md_mod async_raid6_recov async_pq > async_xor xor async_memcpy async_tx raid6_pq ext3 jbd sata_mv > sata_sil24 ahci unix rtc_cmos rtc_core rtc_lib sd_mod ext2 mbcache > pata_amd pata_atiixp libata scsi_mod > [47271.386019] > [47271.386019] Pid: 8343, comm: mke2fs Not tainted 2.6.34x1_64 #9 > A780GM-A Ultra/A780GM-A Ultra > [47271.386019] RIP: 0010:[<ffffffff810e50eb>] [<ffffffff810e50eb>] > find_get_page+0x6b/0x100 > [47271.386019] RSP: 0018:ffff8803161d1ab8 EFLAGS: 00010203 > [47271.386019] RAX: 000007ffffffffff RBX: 0000000007c00095 RCX: > ffff88017d4c37c8 > [47271.386019] RDX: 0000000000000000 RSI: 0000000007c00095 RDI: > 0000080000000000 > [47271.386019] RBP: ffff8803161d1af8 R08: 0000000000000001 R09: > 0000000000000000 > [47271.386019] R10: 0000000000000000 R11: ffff88017d4c3920 R12: > ffff880404c18d00 > [47271.386019] R13: 0000080000000000 R14: 0000000007c00095 R15: > 00000000000000d0 > [47271.386019] FS: 00007f69bfc09750(0000) GS:ffff880015600000(0000) > knlGS:00000000f76752a0 > [47271.386019] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > [47271.386019] CR2: 0000080000000008 CR3: 00000003161d7000 CR4: > 00000000000006e0 > [47271.386019] DR0: 0000000000000000 DR1: 0000000000000000 DR2: > 0000000000000000 > [47271.386019] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: > 0000000000000400 > [47271.386019] Process mke2fs (pid: 8343, threadinfo > ffff8803161d0000, task ffff880383152480) > [47271.386019] Stack: > [47271.386019] ffffffff810e5080 ffffffff81151b4b ffff88017d4c6818 > 0000000000001000 > [47271.386019] <0> 0000000000001000 ffff880404c18cf8 > 0000000007c00095 ffff880404c18cf8 > [47271.386019] <0> ffff8803161d1b28 ffffffff810e5446 > ffff8803161d1b68 ffffffff81151ca7 > [47271.386019] Call Trace: > [47271.386019] [<ffffffff810e5080>] ? find_get_page+0x0/0x100 > [47271.386019] [<ffffffff81151b4b>] ? __set_page_dirty+0x7b/0xd0 > [47271.386019] [<ffffffff810e5446>] find_lock_page+0x26/0x80 > [47271.386019] [<ffffffff81151ca7>] ? __block_commit_write+0x67/0xd0 > [47271.386019] [<ffffffff810e57fa>] > grab_cache_page_write_begin+0x4a/0xd0 > [47271.386019] [<ffffffff81153931>] block_write_begin+0x91/0x100 > [47271.386019] [<ffffffff810e5417>] ? unlock_page+0x27/0x30 > [47271.386019] [<ffffffff81157f9a>] blkdev_write_begin+0x2a/0x30 > [47271.386019] [<ffffffff81156c30>] ? blkdev_get_block+0x0/0x70 > [47271.386019] [<ffffffff810e42f2>] generic_perform_write+0xc2/0x1d0 > [47271.386019] [<ffffffff81147f63>] ? xattr_getsecurity+0x83/0xa0 > [47271.386019] [<ffffffff8103bbd8>] ? task_rq_lock+0x48/0xa0 > [47271.386019] [<ffffffff810e4464>] > generic_file_buffered_write+0x64/0xa0 > [47271.386019] [<ffffffff8103bb3b>] ? __wake_up+0x4b/0x60 > [47271.386019] [<ffffffff810e6690>] > __generic_file_aio_write+0x240/0x460 > [47271.386019] [<ffffffff810811df>] ? __lock_acquired+0xff/0x420 > [47271.386019] [<ffffffff810811df>] ? __lock_acquired+0xff/0x420 > [47271.386019] [<ffffffff81157236>] blkdev_aio_write+0x36/0x90 > [47271.386019] [<ffffffff81127c2a>] do_sync_write+0xda/0x120 > [47271.386019] [<ffffffff8140d6de>] ? mutex_unlock+0xe/0x10 > [47271.386019] [<ffffffff811abb56>] ? > security_file_permission+0x16/0x20 > [47271.386019] [<ffffffff811287a8>] vfs_write+0xb8/0x1a0 > [47271.386019] [<ffffffff81128971>] sys_write+0x51/0x90 > [47271.386019] [<ffffffff81002f9b>] system_call_fastpath+0x16/0x1b > [47271.386019] Code: f9 ff 48 89 de 4c 89 e7 e8 93 47 12 00 48 85 c0 > 48 89 c1 74 6b 48 8b 38 40 f6 c7 01 75 e4 48 8d 47 ff 49 89 fd 48 83 > f8 fd 77 d7 <8b> 57 08 85 d2 74 d0 8d 42 01 89 55 d8 4c 8d 47 08 89 > 45 d4 8b > [47271.386019] RIP [<ffffffff810e50eb>] find_get_page+0x6b/0x100 > [47271.386019] RSP <ffff8803161d1ab8> > [47271.386019] CR2: 0000080000000008 > [47271.260126] BUG: unable to handle kernel paging request at > ffffa8017c4c09f0 > [47271.260126] IP: [<ffffffffa01b6ecd>] async_copy_data+0xad/0x130 > [raid456] > [47271.386684] ---[ end trace 0488213f1af9d515 ]--- > [47271.260126] PGD 0 > [47271.260126] Oops: 0000 [#2] SMP > [47271.260126] last sysfs file: > /sys/devices/pci0000:00/0000:00:02.0/0000:02:00.0/host13/target13:0:0/13:0:0:0/queue_depth > [47271.260126] CPU 1 > [47271.260126] Modules linked in: af_packet ipv6 softdog e1000 > via_rhine r8169 mii forcedeth lp parport sata_sil msr ext4 crc16 > jbd2 aufs exportfs raid456 md_mod async_raid6_recov async_pq > async_xor xor async_memcpy async_tx raid6_pq ext3 jbd sata_mv > sata_sil24 ahci unix rtc_cmos rtc_core rtc_lib sd_mod ext2 mbcache > pata_amd pata_atiixp libata scsi_mod > [47271.260126] > [47271.260126] Pid: 2394, comm: md1_raid5 Tainted: G D > 2.6.34x1_64 #9 A780GM-A Ultra/A780GM-A Ultra > [47271.260126] RIP: 0010:[<ffffffffa01b6ecd>] [<ffffffffa01b6ecd>] > async_copy_data+0xad/0x130 [raid456] > [47271.260126] RSP: 0018:ffff880403a0db50 EFLAGS: 00010246 > [47271.260126] RAX: 0000000000000000 RBX: ffff88017c4c0980 RCX: > ffffa8017c4c09e8 > [47271.260126] RDX: 0000000000000000 RSI: 0000000000000000 RDI: > 0000000000000001 > [47271.260126] RBP: ffff880403a0dbc0 R08: 0000000000000000 R09: > 0000000000000000 > [47271.260126] R10: 0000000000000001 R11: 0000000000000000 R12: > 0000000000000000 > [47271.260126] R13: ffffe8ffff800d58 R14: 0000000000000003 R15: > ffff88017c4c0980 > [47271.260126] FS: 00007f3960c3b6f0(0000) GS:ffff880015400000(0000) > knlGS:00000000f766a080 > [47271.260126] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > [47271.260126] CR2: ffffa8017c4c09f0 CR3: 0000000001757000 CR4: > 00000000000006e0 > [47271.260126] DR0: 0000000000000000 DR1: 0000000000000000 DR2: > 0000000000000000 > [47271.260126] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: > 0000000000000400 > [47271.260126] Process md1_raid5 (pid: 2394, threadinfo > ffff880403a0c000, task ffff880403a0a680) > [47271.260126] Stack: > [47271.260126] ffffea000d287ae0 0000000100000246 ffff880400000008 > 0000000000000000 > [47271.260126] <0> 0000000000000000 0000000000000000 > 0000000000000000 ffffe8ffff800d58 > [47271.260126] <0> 0000000000000003 ffff88017c4c0980 > ffff8803c26cd4f8 ffffe8ffff800d58 > [47271.260126] Call Trace: > [47271.260126] [<ffffffffa01b73b2>] __raid_run_ops+0x3a2/0xc00 > [raid456] > [47271.260126] [<ffffffffa01b8fc2>] ? handle_stripe+0x202/0x1b30 > [raid456] > [47271.260126] [<ffffffffa01b94e9>] handle_stripe+0x729/0x1b30 > [raid456] > [47271.260126] [<ffffffffa01b8dec>] ? handle_stripe+0x2c/0x1b30 > [raid456] > [47271.260126] [<ffffffff810811df>] ? __lock_acquired+0xff/0x420 > [47271.260126] [<ffffffffa01bac65>] raid5d+0x375/0x4e0 [raid456] > [47271.260126] [<ffffffffa01982dc>] md_thread+0x5c/0x130 [md_mod] > [47271.260126] [<ffffffff8106e1d0>] ? autoremove_wake_function+0x0/0x40 > [47271.260126] [<ffffffffa0198280>] ? md_thread+0x0/0x130 [md_mod] > [47271.260126] [<ffffffff8106dc9e>] kthread+0xae/0xc0 > [47271.260126] [<ffffffff81003d94>] kernel_thread_helper+0x4/0x10 > [47271.260126] [<ffffffff8106dbf0>] ? kthread+0x0/0xc0 > [47271.260126] [<ffffffff81003d90>] ? kernel_thread_helper+0x0/0x10 > [47271.260126] Code: 41 f0 ff 44 39 eb 7f 74 48 89 45 a8 41 0f b7 7f > 28 41 ff c4 44 39 e7 7e 63 44 89 f2 49 63 cc 31 f6 48 c1 e1 04 49 03 > 4f 48 85 d2 <8b> 59 08 78 6e 85 db 7e 5a 44 8d 34 13 41 89 dd 41 81 > fe 00 10 > [47271.260126] RIP [<ffffffffa01b6ecd>] async_copy_data+0xad/0x130 > [raid456] > [47271.260126] RSP <ffff880403a0db50> > [47271.260126] CR2: ffffa8017c4c09f0 > [47271.260126] ---[ end trace 0488213f1af9d516 ]--- > -- > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html