I have done fsck.ext4 -fc on both source and destination filesystem but
showed no errorsresolved in the output.
On the same server with the same filesystem already checked I got the
same problem:
Mar 24 17:23:42 testVS01OU kernel: [ 4038.975173] EXT4-fs error
(device dm-5): ext4_ext_find_extent:715: inode #48889859: comm rsync:
bad header/extent: invalid magic - magic 5ac4, entries 24267, max
959(0), depth 41617(0)
Mar 24 17:23:42 testVS01OU kernel: [ 4038.975319] ------------[ cut
here ]------------
Mar 24 17:23:42 testVS01OU kernel: [ 4038.975359] kernel BUG at
/build/linux-FpPMO6/linux-3.2.54/fs/ext4/extents.c:1976!
Mar 24 17:23:42 testVS01OU kernel: [ 4038.975404] invalid opcode: 0000
[#1] SMP
Mar 24 17:23:42 testVS01OU kernel: [ 4038.975503] CPU 6
Mar 24 17:23:42 testVS01OU kernel: [ 4038.975537] Modules linked in:
tun xt_physdev iptable_filter ip_tables x_tables xen_pciback
xen_netback xen_blkback xen_gntalloc xen_gntdev xen_evtchn xenfs nfsd
nfs nfs_acl auth_rpcgss fscache lockd sunrpc bridge stp loop snd_pcm
snd_page_alloc snd_timer dcdbas snd i7core_edac soundcore coretemp
crc32c_intel evdev joydev wmi pcspkr edac_core iTCO_wdt
iTCO_vendor_support acpi_power_meter button processor thermal_sys ext4
crc16 jbd2 mbcache dm_mod sr_mod sg cdrom sd_mod crc_t10dif usbhid hid
ata_generic ata_piix libata mpt2sas raid_class scsi_transport_sas
ehci_hcd bnx2 scsi_mod usbcore usb_common [last unloaded: scsi_wait_scan]
Mar 24 17:23:42 testVS01OU kernel: [ 4038.977799]
Mar 24 17:23:42 testVS01OU kernel: [ 4038.977834] Pid: 4589, comm:
rsync Not tainted 3.2.0-4-amd64 #1 Debian 3.2.54-2 Dell Inc. PowerEdge
T310/02P9X9
Mar 24 17:23:42 testVS01OU kernel: [ 4038.977974] RIP:
e030:[<ffffffffa017c0ed>] [<ffffffffa017c0ed>]
ext4_ext_put_in_cache+0x18/0x7f [ext4]
Mar 24 17:23:42 testVS01OU kernel: [ 4038.978064] RSP:
e02b:ffff880073f95778 EFLAGS: 00010246
Mar 24 17:23:42 testVS01OU kernel: [ 4038.978119] RAX:
0000000000000000 RBX: ffff88000238c8c0 RCX: 0000000000000000
Mar 24 17:23:42 testVS01OU kernel: [ 4038.978177] RDX:
0000000000000000 RSI: 0000000000000000 RDI: ffff88000238c8c0
Mar 24 17:23:42 testVS01OU kernel: [ 4038.978236] RBP:
ffff88000238c8c0 R08: 0000000000000002 R09: ffff88006d37adf4
Mar 24 17:23:42 testVS01OU kernel: [ 4038.978294] R10:
0000000000000000 R11: ffff8800032ad9c0 R12: 0000000000000000
Mar 24 17:23:42 testVS01OU kernel: [ 4038.978352] R13:
0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Mar 24 17:23:42 testVS01OU kernel: [ 4038.978413] FS:
00007f5536616700(0000) GS:ffff88007f2c0000(0000) knlGS:0000000000000000
Mar 24 17:23:42 testVS01OU kernel: [ 4038.978488] CS: e033 DS: 0000
ES: 0000 CR0: 000000008005003b
Mar 24 17:23:42 testVS01OU kernel: [ 4038.978544] CR2:
0000000000d16788 CR3: 0000000073bff000 CR4: 0000000000002660
Mar 24 17:23:42 testVS01OU kernel: [ 4038.978602] DR0:
0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Mar 24 17:23:42 testVS01OU kernel: [ 4038.978661] DR3:
0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Mar 24 17:23:42 testVS01OU kernel: [ 4038.978719] Process rsync (pid:
4589, threadinfo ffff880073f94000, task ffff880002b1e040)
Mar 24 17:23:42 testVS01OU kernel: [ 4038.978794] Stack:
Mar 24 17:23:42 testVS01OU kernel: [ 4038.978842] ffff880073f95970
ffff88000238c8c0 ffff88000241d780 ffff880071cb3000
Mar 24 17:23:42 testVS01OU kernel: [ 4038.979036] 0000000000000000
ffffffffa017e248 0000000000000002 ffff8800100f68e8
Mar 24 17:23:42 testVS01OU kernel: [ 4038.979230] 0000000000000000
ffffffff810ebb96 ffff88000241d780 0000000000000000
Mar 24 17:23:42 testVS01OU kernel: [ 4038.979423] Call Trace:
Mar 24 17:23:42 testVS01OU kernel: [ 4038.979480] [<ffffffffa017e248>]
? ext4_ext_map_blocks+0x35c/0x1704 [ext4]
Mar 24 17:23:42 testVS01OU kernel: [ 4038.979541] [<ffffffff810ebb96>]
? kfree+0x5b/0x6c
Mar 24 17:23:42 testVS01OU kernel: [ 4038.979598] [<ffffffff81004c0a>]
? pfn_to_mfn+0x12/0x27
Mar 24 17:23:42 testVS01OU kernel: [ 4038.979659] [<ffffffffa017e0e1>]
? ext4_ext_map_blocks+0x1f5/0x1704 [ext4]
Mar 24 17:23:42 testVS01OU kernel: [ 4038.979718] [<ffffffff8100379c>]
? xen_write_msr_safe+0x73/0xb9
Mar 24 17:23:42 testVS01OU kernel: [ 4038.979780] [<ffffffffa015c831>]
? ext4_map_blocks+0x55/0x1f0 [ext4]
Mar 24 17:23:42 testVS01OU kernel: [ 4038.979843] [<ffffffffa015e07d>]
? _ext4_get_block+0x96/0x102 [ext4]
Mar 24 17:23:42 testVS01OU kernel: [ 4038.979902] [<ffffffff8111d14c>]
? attach_page_buffers+0x27/0x34
Mar 24 17:23:42 testVS01OU kernel: [ 4038.979960] [<ffffffff8111ffce>]
? block_read_full_page+0xf2/0x1ed
Mar 24 17:23:42 testVS01OU kernel: [ 4038.980021] [<ffffffffa015e10a>]
? noalloc_get_block_write+0x17/0x17 [ext4]
Mar 24 17:23:42 testVS01OU kernel: [ 4038.980084] [<ffffffffa015e07d>]
? _ext4_get_block+0x96/0x102 [ext4]
Mar 24 17:23:42 testVS01OU kernel: [ 4038.980143] [<ffffffff81124e38>]
? do_mpage_readpage+0x448/0x44c
Mar 24 17:23:42 testVS01OU kernel: [ 4038.980201] [<ffffffff810f6bfd>]
? mem_cgroup_cache_charge+0x23/0xee
Mar 24 17:23:42 testVS01OU kernel: [ 4038.980265] [<ffffffff810b4625>]
? spin_unlock_irq+0xa/0xb
Mar 24 17:23:42 testVS01OU kernel: [ 4038.980340] [<ffffffff810b56b0>]
? add_to_page_cache_locked+0x9c/0xe0
Mar 24 17:23:42 testVS01OU kernel: [ 4038.980406] [<ffffffff810be88e>]
? __lru_cache_add+0x2b/0x51
Mar 24 17:23:42 testVS01OU kernel: [ 4038.980465] [<ffffffff8110869f>]
? poll_freewait+0x97/0x97
Mar 24 17:23:42 testVS01OU kernel: [ 4038.980528] [<ffffffffa015e10a>]
? noalloc_get_block_write+0x17/0x17 [ext4]
Mar 24 17:23:42 testVS01OU kernel: [ 4038.980587] [<ffffffff81124f93>]
? mpage_readpages+0xdd/0x134
Mar 24 17:23:42 testVS01OU kernel: [ 4038.980647] [<ffffffffa015e10a>]
? noalloc_get_block_write+0x17/0x17 [ext4]
Mar 24 17:23:42 testVS01OU kernel: [ 4038.980707] [<ffffffff810bd8d1>]
? __do_page_cache_readahead+0x11e/0x1c3
Mar 24 17:23:42 testVS01OU kernel: [ 4038.980766] [<ffffffff810bdbce>]
? ra_submit+0x19/0x1d
Mar 24 17:23:42 testVS01OU kernel: [ 4038.980823] [<ffffffff810b643b>]
? generic_file_aio_read+0x282/0x5cf
Mar 24 17:23:42 testVS01OU kernel: [ 4038.980901] [<ffffffff810072b8>]
? get_phys_to_machine+0x16/0x58
Mar 24 17:23:42 testVS01OU kernel: [ 4038.980966] [<ffffffff810c2c15>]
? page_evictable+0xf/0x7b
Mar 24 17:23:42 testVS01OU kernel: [ 4038.981023] [<ffffffff8100569f>]
? __xen_set_pte+0x11/0x51
Mar 24 17:23:42 testVS01OU kernel: [ 4038.981080] [<ffffffff810fa464>]
? do_sync_read+0xb4/0xec
Mar 24 17:23:42 testVS01OU kernel: [ 4038.981136] [<ffffffff810fab4f>]
? vfs_read+0x9f/0xe6
Mar 24 17:23:42 testVS01OU kernel: [ 4038.981192] [<ffffffff810fabdb>]
? sys_read+0x45/0x6b
Mar 24 17:23:42 testVS01OU kernel: [ 4038.981249] [<ffffffff81354d92>]
? system_call_fastpath+0x16/0x1b
Mar 24 17:23:42 testVS01OU kernel: [ 4038.981306] Code: ff 83 f8 00 8b
54 24 20 0f 8f b0 fb ff ff e9 c7 fb ff ff 41 56 85 d2 41 89 f6 41 55
49 89 cd 41 54 41 89 d4 55 53 48 89 fb 75 02 <0f> 0b 48 8d bf ac 02 00
00 e8 80 3c 1d e1 8b 05 47 4e 02 00 85
Mar 24 17:23:42 testVS01OU kernel: [ 4038.983385] RIP
[<ffffffffa017c0ed>] ext4_ext_put_in_cache+0x18/0x7f [ext4]
Mar 24 17:23:42 testVS01OU kernel: [ 4038.983479] RSP <ffff880073f95778>
Mar 24 17:23:42 testVS01OU kernel: [ 4038.983545] ---[ end trace
40b417502a478c4f ]---
There is also the problemafter this bug happen (which seems to be a
consequence) that thefilesystem umountoperation freezes itself, and
during both manual or automatic umount (on shutdown or reboot).
I did not understand exactly if there is a bug in fsck which does not
see one or more errors or if there aren't errors in the filesystems and
is an unexpected event that causes the problem.
Advice on how to proceed?
I saw this on changelog of sid fsck:
e2fsprogs (1.42.8-1) unstable; urgency=low
...
* E2fsck will now detect and repair corrupted extent trees which contain
invalid extents at the end of the extent tree leaf block.
Can be useful try to update e2fsprogs from sid and see if solve the problem or
is not related to this?
Thanks for any reply.
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