Hi, I'm running Debian lenny with linux-image-2.6.26-1-amd64 (deb 2.6.26-11). I have a lvm stripe over three sata disks (3.5TB total) that is shared over NFS, and I getting following errors EXT4-fs error (device dm-0): ext4_ext_search_right: bad header in inode #269200: unexpected eh_depth - magic f30a,entries 18, max 340(0), depth 1(2) An user is having errors in concatenating large files (100+GB): basicly seems that the the resulting file is right size and ends with right data, but anyway he gets following error: cat: write error: Input/output error on system that has imported partition over NFS. I'm not sure if the file he was accessing did had the same inode. And once I got BUG below. I cannot right now upgrade system as there are some long-running analysis running, but can do some tests at some point, and upgrade in few days. ------------[ cut here ]------------ kernel BUG at fs/jbd2/transaction.c:1161! invalid opcode: 0000 [1] SMP CPU 0 Modules linked in: nfsd lockd nfs_acl auth_rpcgss sunrpc exportfs ext4dev jbd2 crc16 dag(P) ipv6 dm_mod dagmem(P) loop snd_pcm snd_timer snd soundcore snd_page_alloc intel_rng i2c_i801 rng_core i2c_core parport_pc parport pcspkr iTCO_wdt container shpchp pci_hotplug i5000_edac button edac_core evdev ext3 jbd mbcache sd_mod ahci libata scsi_mod dock floppy ehci_hcd uhci_hcd e1000e thermal processor fan thermal_sys Pid: 3501, comm: nfsd Tainted: P 2.6.26-1-amd64 #1 RIP: 0010:[<ffffffffa021e5f5>] [<ffffffffa021e5f5>] :jbd2:jbd2_journal_dirty_metadata+0x5f/0xe3 RSP: 0018:ffff810009543c90 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff81007cd38880 RCX: 00000000ffffffc0 RDX: ffff81001f9e74c0 RSI: ffff81007cd38880 RDI: ffff8100425833a8 RBP: ffff810045b7c490 R08: ffff810034a5a4d8 R09: ffffffffa024be70 R10: 000000000000005c R11: ffff81007cd38880 R12: ffff81003790c000 R13: ffff8100425833a8 R14: 00000000000020dc R15: 0000000000000000 FS: 00007f13c048e6e0(0000) GS:ffffffff8053b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 00007f8404606210 CR3: 00000000049a0000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process nfsd (pid: 3501, threadinfo ffff810009542000, task ffff81007f05e850) Stack: 0000000000000000 ffff81000948af80 ffff8100425833a8 ffff81007cd38880 ffffffffa024be70 ffffffffa0242122 ffff810034a5a4d8 ffff81000948af80 ffff810005a34b80 ffff810004ca4c90 ffff81007d5c8c00 ffffffffa0230dab Call Trace: [<ffffffffa0242122>] ? :ext4dev:__ext4_journal_dirty_metadata+0x1e/0x46 [<ffffffffa0230dab>] ? :ext4dev:ext4_free_inode+0x2b7/0x324 [<ffffffffa0233db2>] ? :ext4dev:ext4_delete_inode+0xb7/0xd5 [<ffffffffa0233cfb>] ? :ext4dev:ext4_delete_inode+0x0/0xd5 [<ffffffff802ace23>] ? generic_delete_inode+0xab/0x11f [<ffffffff802ac358>] ? d_delete+0x49/0xb1 [<ffffffff802a2e5c>] ? vfs_unlink+0xe3/0x102 [<ffffffffa02b9b79>] ? :nfsd:nfsd_unlink+0x1e9/0x267 [<ffffffffa02c17d8>] ? :nfsd:nfsd3_proc_remove+0x9d/0xaa [<ffffffffa02b6245>] ? :nfsd:nfsd_dispatch+0xde/0x1b6 [<ffffffffa026b55b>] ? :sunrpc:svc_process+0x408/0x6e9 [<ffffffff80429a04>] ? __down_read+0x12/0xa1 [<ffffffffa02b667c>] ? :nfsd:nfsd+0x0/0x2a4 [<ffffffffa02b6810>] ? :nfsd:nfsd+0x194/0x2a4 [<ffffffff80230196>] ? schedule_tail+0x27/0x5c [<ffffffff8020cf28>] ? child_rip+0xa/0x12 [<ffffffffa02b667c>] ? :nfsd:nfsd+0x0/0x2a4 [<ffffffff8020cf1e>] ? child_rip+0x0/0x12 Code: 03 25 00 00 20 00 48 85 c0 75 f1 f0 0f ba 2b 15 19 c0 85 c0 75 e8 83 7d 10 00 75 19 c7 45 10 01 00 00 00 41 8b 45 08 85 c0 7f 04 <0f> 0b eb fe ff c8 41 89 45 08 48 39 55 28 75 11 83 7d 0c 02 75 RIP [<ffffffffa021e5f5>] :jbd2:jbd2_journal_dirty_metadata+0x5f/0xe3 RSP <ffff810009543c90> ---[ end trace 1336f55a961cc4ae ]--- # dumpe2fs /dev/work/wdata dumpe2fs 1.41.3 (12-Oct-2008) Filesystem volume name: <none> Last mounted on: <not available> Filesystem UUID: 05867e70-54e2-48bf-8c67-5439e98c5982 Filesystem magic number: 0xEF53 Filesystem revision #: 1 (dynamic) Filesystem features: has_journal ext_attr resize_inode dir_index filetype needs_recovery extent flex_bg sparse_super large_file huge_file uninit_bg dir_nlink extra_isize Filesystem flags: signed_directory_hash test_filesystem Default mount options: (none) Filesystem state: clean with errors Errors behavior: Continue Filesystem OS type: Linux Inode count: 917536 Block count: 939525120 Reserved block count: 46976256 Free blocks: 507628950 Free inodes: 619199 First block: 0 Block size: 4096 Fragment size: 4096 Reserved GDT blocks: 799 Blocks per group: 32768 Fragments per group: 32768 Inodes per group: 32 Inode blocks per group: 2 Flex block group size: 16 Filesystem created: Thu Dec 11 10:36:48 2008 Last mount time: Mon Jan 26 13:05:07 2009 Last write time: Sat Jan 31 19:53:25 2009 Mount count: 1 Maximum mount count: 26 Last checked: Mon Jan 26 12:53:17 2009 Check interval: 15552000 (6 months) Next check after: Sat Jul 25 13:53:17 2009 Reserved blocks uid: 0 (user root) Reserved blocks gid: 0 (group root) First inode: 11 Inode size: 256 Required extra isize: 28 Desired extra isize: 28 Journal inode: 8 Default directory hash: half_md4 Directory Hash Seed: 2714a303-cb2a-4bbc-8159-29bf52c617ca Journal backup: inode blocks Journal size: 128M (rest of dumpe2fs output omitted: 32MiB, can put it available somewhere). t. 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