https://bugzilla.kernel.org/show_bug.cgi?id=51431 --- Comment #5 from zakrzewskim@xxxxx 2012-12-08 16:44:37 --- On the old kernel errors were like this: EXT4-fs error (device md2): ext4_ext_find_extent: bad header/extent in inode #97911179: invalid magic - magic 5f69, entries 28769, max 26988(0), depth 24939(0) EXT4-fs error (device md2): ext4_ext_remove_space: bad header/extent in inode #97911179: invalid magic - magic 5f69, entries 28769, max 26988(0), depth 24939(0) EXT4-fs error (device md2): ext4_mb_generate_buddy: EXT4-fs: group 20974: 8267 blocks in bitmap, 54574 in gd JBD: Spotted dirty metadata buffer (dev = md2, blocknr = 0). There's a risk of filesystem corruption in case of system crash. then after a few hours kernel panic occured: EXT4-fs error (device md2): ext4_ext_find_extent: bad header/extent in inode #97911179: invalid magic - magic 5f69, entries 28769, max 26988(0), depth 24939(0) ----------- [cut here ] --------- [please bite here ] --------- Kernel BUG at fs/ext4/extents.c:1973 invalid opcode: 0000 [1] SMP last sysfs file: /devices/pci0000:00/0000:00:00.0/irq CPU 6 Modules linked in: iptable_filter ipt_REDIRECT ip_nat_ftp ip_conntrack_ftp iptable_nat ip_nat ip_tables xt_state ip_conntrack_netbios_ns ip_conntrack nfnetlink netconsole ipt_iprange xt_tcpudp autofs4 hwmon_vid coretemp cpufreq_ondemand acpi_cpufreq freq_table mperf x_tables be2iscsi ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp bnx2i cnic ipv6 xfrm_nalgo crypto_api uio cxgb3i libcxgbi cxgb3 8021q libiscsi_tcp libiscsi2 scsi_transport_iscsi2 scsi_transport_iscsi ext3 jbd dm_mirror dm_multipath scsi_dh video backlight sbs power_meter hwmon i2c_ec dell_wmi wmi button battery asus_acpi acpi_memhotplug ac lp joydev sg shpchp parport_pc parport r8169 mii serio_raw tpm_tis tpm tpm_bios i2c_i801 i2c_core pcspkr dm_raid45 dm_message dm_region_hash dm_log dm_mod dm_mem_cache raid10 raid456 xor raid0 sata_nv aacraid 3w_9xxx 3w_xxxx sata_sil sata_via ahci libata sd_mod scsi_mod raid1 ext4 jbd2 crc16 uhci_hcd ohci_hcd ehci_hcd Pid: 9374, comm: httpd Not tainted 2.6.18-308.20.1.el5debug #1 RIP: 0010:[<ffffffff8806ccda>] [<ffffffff8806ccda>] :ext4:ext4_ext_put_in_cache+0x21/0x6a RSP: 0018:ffff8101c2df7678 EFLAGS: 00010246 RAX: 00000000fffffbf1 RBX: ffff810758115dc8 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff810758115958 RBP: ffff810758115958 R08: 0000000000000002 R09: 0000000000000000 R10: ffff8101c2df75a0 R11: 0000000000000100 R12: 0000000000000000 R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000 FS: 00002ab948d31f70(0000) GS:ffff81081f4ba4c8(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 000000001de9e4e0 CR3: 000000014ae88000 CR4: 00000000000006a0 Process httpd (pid: 9374, threadinfo ffff8101c2df6000, task ffff8101cdf74d80) Stack: 000181070000040f ffff810758115dc8 ffff8103f15d7ff4 ffff8107581157f0 ffff810758115958 000000000000040f 0000000000000000 ffffffff8806f621 ffff8101c2df76d8 ffff8101c2df7738 0000000000000000 ffff81034900c310 Call Trace: [<ffffffff8806f621>] :ext4:ext4_ext_get_blocks+0x258/0x16f3 [<ffffffff80013994>] poison_obj+0x26/0x2f [<ffffffff800331e2>] cache_free_debugcheck+0x20b/0x21a [<ffffffff8805b4ac>] :ext4:ext4_get_blocks+0x43/0x1d2 [<ffffffff8805b4cf>] :ext4:ext4_get_blocks+0x66/0x1d2 [<ffffffff8805c16a>] :ext4:ext4_get_block+0xa7/0xe6 [<ffffffff8805c3be>] :ext4:ext4_block_truncate_page+0x215/0x4f1 [<ffffffff8806e832>] :ext4:ext4_ext_truncate+0x65/0x909 [<ffffffff8805b4f9>] :ext4:ext4_get_blocks+0x90/0x1d2 [<ffffffff8805ccfc>] :ext4:ext4_truncate+0x91/0x53b [<ffffffff80041e5d>] pagevec_lookup+0x17/0x1e [<ffffffff8002d3cf>] truncate_inode_pages_range+0x1f3/0x2d5 [<ffffffff8803b78b>] :jbd2:jbd2_journal_stop+0x1f1/0x201 [<ffffffff8805f3c1>] :ext4:ext4_da_write_begin+0x1ea/0x25b [<ffffffff80010896>] generic_file_buffered_write+0x151/0x6c3 [<ffffffff800174b1>] __generic_file_aio_write_nolock+0x36c/0x3b9 [<ffffffff800482ab>] do_sock_read+0xcf/0x110 [<ffffffff80022d49>] generic_file_aio_write+0x69/0xc5 [<ffffffff88056c0a>] :ext4:ext4_file_write+0xcb/0x215 [<ffffffff8001936b>] do_sync_write+0xc7/0x104 [<ffffffff8000d418>] dnotify_parent+0x1f/0x7b [<ffffffff800efead>] do_readv_writev+0x26e/0x291 [<ffffffff800a8192>] autoremove_wake_function+0x0/0x2e [<ffffffff80035b9f>] do_setitimer+0x62a/0x692 [<ffffffff8002e6a5>] mntput_no_expire+0x19/0x8d [<ffffffff80049aa0>] sys_chdir+0x55/0x62 [<ffffffff800178c6>] vfs_write+0xce/0x174 [<ffffffff800181ba>] sys_write+0x45/0x6e [<ffffffff80060116>] system_call+0x7e/0x83 Code: 0f 0b 68 3e 27 08 88 c2 b5 07 eb fe 48 8d 9f 08 05 00 00 48 RIP [<ffffffff8806ccda>] :ext4:ext4_ext_put_in_cache+0x21/0x6a RSP <ffff8101c2df7678> <0>Kernel panic - not syncing: Fatal exception <0>Rebooting in 1 seconds.. -Marek -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug. -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
