Bug#425534: linux-image-2.6.18-4-k7: ext3 filesystem corruption
Package: linux-image-2.6.18-4-k7
Version: 2.6.18.dfsg.1-12etch2
Severity: important
Hello,
after I upgrade my system from sarge with kernel-image-2.6.8-3-k7 to
etch with linux-image-2.6.18-4-k7 my ext3 root partition becomes
unstable. In nearly 50% of bootings the following happens:
1) During or some minutes after booting I notice some or all of the
following symptoms:
- Some files are inaccessible and look strange in "ls -l" output:
# ls -l /lib/libproc-3.2.7.so
?--------- 17671 root 25785 0 2007-05-21 21:55 /lib/libproc-3.2.7.so
- Some files are lost. Sometimes /lib/modules/2.6.18-4-k7/ is suddenly
empty.
- Error messages like the following occur in Syslog and the root
filesystem is remounted readonly
07:46:17 kernel EXT3-fs: mounted filesystem with writeback data mode.
07:46:17 kernel ide: failed opcode was: unknown
07:46:17 kernel EXT3 FS on hda1, internal journal
07:46:17 kernel EXT3 FS on hda2, internal journal
07:46:17 kernel EXT3-fs: mounted filesystem with ordered data mode.
07:46:17 kernel EXT3 FS on hda5, internal journal
07:46:17 kernel EXT3-fs: mounted filesystem with ordered data mode.
07:46:17 kernel EXT3 FS on hda6, internal journal
07:46:17 kernel EXT3-fs: mounted filesystem with ordered data mode.
07:46:17 kernel EXT3 FS on hda8, internal journal
07:46:17 kernel EXT3-fs: mounted filesystem with ordered data mode.
07:46:44 kernel Warning: /proc/ide/hd?/settings interface is obsolete, and will be removed soon!
07:52:16 anacron Job `cron.daily\' started
07:52:18 kernel EXT3-fs error (device hda1): ext3_readdir: bad entry in directory #48194: rec_len % 4 != 0 - offset=0, inode=1886348042, rec_len=15737, name_len=120
07:52:18 kernel Remounting filesystem read-only
07:52:22 kernel EXT3-fs error (device hda1): ext3_readdir: bad entry in directory #48194: rec_len % 4 != 0 - offset=0, inode=1886348042, rec_len=15737, name_len=120
07:52:27 kernel EXT3-fs error (device hda1): ext3_readdir: bad entry in directory #48194: rec_len % 4 != 0 - offset=0, inode=1886348042, rec_len=15737, name_len=120
07:52:27 kernel EXT3-fs error (device hda1): ext3_readdir: bad entry in directory #48194: rec_len % 4 != 0 - offset=0, inode=1886348042, rec_len=15737, name_len=120
07:54:27 kernel EXT3-fs error (device hda1): ext3_readdir: bad entry in directory #48194: rec_len % 4 != 0 - offset=0, inode=1886348042, rec_len=15737, name_len=120
07:54:30 kernel EXT3-fs error (device hda1): ext3_readdir: bad entry in directory #48194: rec_len % 4 != 0 - offset=0, inode=1886348042, rec_len=15737, name_len=120
07:54:32 anacron Updated timestamp for job `cron.daily\' to 2007-05-21
07:54:46 kernel EXT3-fs error (device hda1): ext3_readdir: bad entry in directory #48194: rec_len % 4 != 0 - offset=0, inode=1886348042, rec_len=15737, name_len=120
2) After that I shutdown the system, start Knoppix 5.0.1 and repair the
filesystem with "e2fsck -yf /dev/hda1". Now the filesystem is
in consistent state and no files seems to be lost or damaged.
3) After that I reboot back to etch and the filesystem is working. I had
no case where this problem occurs again, direktly after I had
repaired the filesystem.
4) One to four rebootings later this starts by 1 again.
Some additional Information:
----------------------------------------------------------------------
Here is the output of "e2fsck -yf /dev/hda1" running in Knoppix. Ist
looks mosty the same each time:
e2fsck 1.39-WIP (09-Apr-2006)
SuperBlock last mount time is in the future. Repariere? ja
Durchgang 1: Prüfe Inodes, Blocks, und Größen
Gelöscht Inode 77942 hat "zero dtime". Repariere? ja
Inodes, die Teile einer defekten Liste mit verwaisten Links waren.
Repariere? ja
Inode 77943 was part of the verwaist Inode list. REPARIERT.
Inode 77948 was part of the verwaist Inode list. REPARIERT.
Inode 77949 was part of the verwaist Inode list. REPARIERT.
Inode 77951 was part of the verwaist Inode list. REPARIERT.
Inode 78852 was part of the verwaist Inode list. REPARIERT.
Durchgang 2: Prüfe Verzeichnis Struktur
Durchgang 3: Prüfe Verzeichnis Verknüpfungen
Durchgang 4: Überprüfe die Referenzzähler
Durchgang 5: Überprüfe Gruppe Zusammenfassung
Block Bitmap differieren: -164346
Repariere? ja
Freie Blocks Anzahl ist falsch Gruppe #5 (22843, counted=22844).
Repariere? ja
Freie Blocks Anzahl ist falsch (183752, counted=183753).
Repariere? ja
Inode Bitmap differieren: -(77942--77943) -(77948--77949) -77951
-78852
Repariere? ja
Freie Inodes Anzahl ist falsch für Gruppe #5 (14547, counted=14553).
Repariere? ja
Freie Inodes Anzahl ist falsch (109176, counted=109182).
Repariere? ja
/dev/hda1: ***** DATEISYSTEM WURDE VERÄNDERT *****
/dev/hda1: 15490/124672 files (0.4% non-contiguous), 65246/248999
blocks
Before reparing this filesystem I have run "dumpe2fs /dev/hda1" on it.
The output is attached.
----------------------------------------------------------------------
One time after the problem occured i had run "e2fsck -nc /dev/hda1" on
the read only mounted, corrupt filesystem in etch. This produced a very
high amount of output and I stop it after a few seconds with STRG-C.
After booting Knoppix and running "e2fsck -yf /dev/hda1" to its end, all
files and directories were moved to lost&found and lost there names.
----------------------------------------------------------------------
I believe that my hardware is working correct because:
- "smartctl -t long /dev/hda" and "badblocks -n /dev/hda1" shows no
problems
- This filesystem corruption occurs first after my first upgrade to
etch a month ago. Then I reinstall sarge from my backups and
everything works great until my last upgrade to etch some days ago.
----------------------------------------------------------------------
First I use "data=ordered" on all filesystems. After reading
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=401006 and
http://thread.gmane.org/gmane.linux.kernel/473710
I switch to "data=writeback" for the root filesystem. But that changes
nothing for me.
----------------------------------------------------------------------
Looking at the logs ist seems that the corruption mosty occurs shortly
after the start of cron.daily by anacron. So maybe it is related to
higher filesystem activity. But:
- Writing complete uncompressed tar archives of all partitions to a
ext3 partition on the same disk and from there to tape using amanda
did not trigger the problem.
- Only the root filesystem is affected.
# df -h
Dateisystem Größe Benut Verf Ben% Eingehängt auf
/dev/hda1 958M 240M 669M 27% /
tmpfs 507M 0 507M 0% /lib/init/rw
udev 10M 76K 10M 1% /dev
tmpfs 507M 4,0K 507M 1% /dev/shm
/dev/hda2 19G 6,3G 12G 36% /home
/dev/hda5 8,3G 4,3G 3,6G 55% /usr
/dev/hda6 4,6G 2,2G 2,3G 49% /var
/dev/hda8 65G 1,3G 60G 2% /groups
----------------------------------------------------------------------
I can do additional tests, If someone directs me.
Cheers
Martin
-- System Information:
Debian Release: 4.0
APT prefers stable
APT policy: (900, 'stable')
Architecture: i386 (i686)
Shell: /bin/sh linked to /bin/bash
Kernel: Linux 2.6.18-4-k7
Locale: LANG=de_DE@euro, LC_CTYPE=de_DE@euro (charmap=ISO-8859-15)
Versions of packages linux-image-2.6.18-4-k7 depends on:
ii coreutils 5.97-5.3 The GNU core utilities
ii debconf [debconf-2.0] 1.5.11 Debian configuration management sy
ii initramfs-tools [linux-initra 0.85g tools for generating an initramfs
ii module-init-tools 3.3-pre4-2 tools for managing Linux kernel mo
Versions of packages linux-image-2.6.18-4-k7 recommends:
ii libc6-i686 2.3.6.ds1-13 GNU C Library: Shared libraries [i
-- debconf information:
linux-image-2.6.18-4-k7/postinst/bootloader-test-error-2.6.18-4-k7:
linux-image-2.6.18-4-k7/preinst/abort-overwrite-2.6.18-4-k7:
linux-image-2.6.18-4-k7/prerm/would-invalidate-boot-loader-2.6.18-4-k7: true
linux-image-2.6.18-4-k7/preinst/overwriting-modules-2.6.18-4-k7: true
linux-image-2.6.18-4-k7/preinst/initrd-2.6.18-4-k7:
linux-image-2.6.18-4-k7/preinst/failed-to-move-modules-2.6.18-4-k7:
linux-image-2.6.18-4-k7/postinst/old-dir-initrd-link-2.6.18-4-k7: true
linux-image-2.6.18-4-k7/postinst/kimage-is-a-directory:
shared/kernel-image/really-run-bootloader: true
linux-image-2.6.18-4-k7/preinst/already-running-this-2.6.18-4-k7:
linux-image-2.6.18-4-k7/postinst/old-system-map-link-2.6.18-4-k7: true
linux-image-2.6.18-4-k7/preinst/abort-install-2.6.18-4-k7:
linux-image-2.6.18-4-k7/postinst/bootloader-error-2.6.18-4-k7:
linux-image-2.6.18-4-k7/postinst/depmod-error-initrd-2.6.18-4-k7: false
linux-image-2.6.18-4-k7/preinst/bootloader-initrd-2.6.18-4-k7: true
linux-image-2.6.18-4-k7/prerm/removing-running-kernel-2.6.18-4-k7: true
linux-image-2.6.18-4-k7/postinst/depmod-error-2.6.18-4-k7: false
linux-image-2.6.18-4-k7/postinst/create-kimage-link-2.6.18-4-k7: true
linux-image-2.6.18-4-k7/postinst/old-initrd-link-2.6.18-4-k7: true
linux-image-2.6.18-4-k7/preinst/elilo-initrd-2.6.18-4-k7: true
linux-image-2.6.18-4-k7/preinst/lilo-initrd-2.6.18-4-k7: true
linux-image-2.6.18-4-k7/preinst/lilo-has-ramdisk:
dumpe2fs 1.39-WIP (09-Apr-2006)
Filesystem volume name: <none>
Last mounted on: <not available>
Filesystem UUID: 5f4e54bd-f294-41d3-8b06-06061475e4e6
Filesystem magic number: 0xEF53
Filesystem revision #: 1 (dynamic)
Filesystem features: has_journal filetype sparse_super
Default mount options: (none)
Filesystem state: clean with errors
Errors behavior: Continue
Filesystem OS type: Linux
Inode count: 124672
Block count: 248999
Reserved block count: 12449
Free blocks: 183752
Free inodes: 109176
First block: 0
Block size: 4096
Fragment size: 4096
Blocks per group: 32768
Fragments per group: 32768
Inodes per group: 15584
Inode blocks per group: 487
Filesystem created: Fri May 18 13:35:44 2007
Last mount time: Mon May 21 07:46:06 2007
Last write time: Mon May 21 06:07:59 2007
Mount count: 6
Maximum mount count: 24
Last checked: Sat May 19 21:02:35 2007
Check interval: 15552000 (6 months)
Next check after: Thu Nov 15 20:02:35 2007
Reserved blocks uid: 0 (user root)
Reserved blocks gid: 0 (group root)
First inode: 11
Inode size: 128
Journal inode: 8
Default directory hash: tea
Directory Hash Seed: 4f4fa0b4-9128-48a4-b05e-7418875912e6
Journal backup: inode blocks
Journal size: 16M
Gruppe 0: (Blöcke 0-32767)
Primary Superblock in 0, Gruppendeskriptoren in 1-1
Block bitmap in 2 (+2), Inode Bitmap in 3 (+3)
Inode-Tabelle in 4-490 (+4)
10632 freie Blöcke, 15398 freie Inodes, 40 Verzeichnisse
Freie Blöcke: 8192-8198, 8200, 14337-14339, 18923-18927, 20085-20479, 20863-22527, 22889-24575, 24939-26623, 26985-28671, 29036-30719, 30955-32767
Freie Inodes: 15, 31-92, 97-101, 106, 108-113, 121, 126-127, 248, 252, 260, 268-15584
Gruppe 1: (Blöcke 32768-65535)
Backup Superblock in 32768, Gruppendeskriptoren in 32769-32769
Block bitmap in 32770 (+2), Inode Bitmap in 32771 (+3)
Inode-Tabelle in 32772-33258 (+4)
24010 freie Blöcke, 10481 freie Inodes, 688 Verzeichnisse
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58464-58466, 58470, 58472, 58482-58486, 58491, 58494, 58497, 58501-58504, 58506, 58509, 58514, 58516, 58520-58524, 58538-58543, 58546, 58554, 58599-58601, 58816-58817, 58987-59002, 59015-59021, 59025-59027, 59029, 59050-59054, 59057-59058, 59086, 59088, 59092-59101, 59103, 59105-59116, 59119-59120, 59125, 59131-59134, 59136-59145, 59147-59148, 59150, 59153-59163, 59167, 59169, 59171, 59173-59178, 59180-59181, 59185-59192, 59196, 59198-59200, 59202-59204, 59206-59210, 59215, 59238, 59274-59280, 59326, 59402-59403, 59435-59437, 59544-59602, 59618, 59625-59638, 59664-59668, 59690-59696, 59700-59707, 59721, 59723-59726, 59728, 59730, 59732-59733, 59737-59749, 59752, 59791, 59795-59798, 59800-59802, 59804, 59806, 59812-59816, 59819, 59827, 59849-59857, 59865, 59879, 59881-59890, 59894-59900, 59902-59915, 59924-59935, 59942-59953, 59955, 59958-59963, 59965-59971, 59976-59977, 59979-59983, 59991, 59993-59995, 59997-60934, 60941-61439, 61537-61539, 61585, 61599-61609, 61661-61669, 61671, 61673-61686, 61693-61700, 61702-61704, 61707, 61743-61749, 61756, 61758-61760, 61762, 61768-61775, 61780-61781, 61836, 61838, 61841, 61843, 61845-61848, 61857-61868, 61875-61879, 61881-61884, 61892-61893, 61896-61897, 61915-61922, 61925-61944, 61946-62043, 62045-62060, 62067-63487, 63616-63620, 63633-63635, 63659-63660, 63667-63677, 63692-63695, 63714-63724, 63731-63734, 63736, 63739, 63742-63744, 63746, 63750, 63760-63763, 63765-63771, 63777-63778, 63780-63782, 63784-63787, 63789-63802, 63805-63808, 63811, 63813-63816, 63818-63821, 63836-63842, 63849-63856, 63859, 63861-63864, 63866, 63880, 63882, 63884-63886, 63890-63891, 63896, 63898-63908, 63910-63913, 63915-63919, 63930-63931, 63933, 63942-63943, 63949, 63951-63953, 63964-63980, 63982-63989, 64011, 64014-64023, 64025-64049, 64051-65535
Freie Inodes: 17764, 17775, 17801, 17961, 18010, 18050, 18370, 18566, 19042-19043, 19208, 19267, 19365, 19418, 19471, 19476, 19483, 19488, 19506, 19524, 19528-19529, 19538, 19554, 19564, 19582, 19588, 19590, 19602, 19607-19608, 19610, 19626, 19631, 19649, 19656-19657, 19667, 19675-19676, 19680, 19682, 19697-19698, 19704, 19711-19712, 19737, 19741, 19767, 19772, 19774, 19796, 19850-19851, 19858-19859, 19861, 19864, 19866, 19869-19870, 19872, 20033, 20053-20054, 20056, 20059, 20065, 20072, 20076, 20079, 20083-20085, 20087-20090, 20092, 20094-20095, 20098-20099, 20102, 20110-20111, 20116, 20119-20143, 20146-20175, 20177-20184, 20188, 20191-20192, 20207, 20216-20217, 20220, 20232, 20248, 20253, 20258, 20275-20276, 20278, 20280, 20283, 20287, 20299, 20301-20302, 20326, 20356-20360, 20367, 20370, 20376, 20385, 20394-20396, 20398, 20401, 20403-20405, 20408-20409, 20423-20424, 20426, 20429, 20432, 20434-20436, 20441, 20443-20445, 20448, 20461, 20464-20465, 20472, 20475-20477, 20523-20524, 20531-20532, 20536, 20559, 20562, 20575-20576, 20578, 20582, 20598, 20609-20610, 20616, 20619-20620, 20627, 20633-20637, 20641, 20644-20647, 20650-20651, 20654-20656, 20658-20659, 20663, 20671, 20673-20674, 20676, 20679-20682, 20684, 20687, 20693, 20731-20732, 20734, 20736-20740, 20749-20755, 20757-20760, 20763, 20765-20769, 20771-20775, 20778-20779, 20785, 20788-20792, 20794-20795, 20797, 20803, 20806-20808, 20810, 20814, 20816-20818, 20821-20823, 20825-20831, 20834, 20836-20841, 20843, 20872, 20874, 20877, 20881, 20884, 20886-20889, 20892-20897, 20899-20902, 20904, 20906-20907, 20926-20930, 20933, 20939, 20946-20947, 20950-20953, 20956-20959, 20961-20963, 20976, 20978-20981, 20987, 20991, 20993, 20996, 21000-21003, 21005-21011, 21016-21017, 21019-21021, 21023-21026, 21028-21041, 21043-21046, 21049, 21051-21054, 21056-21059, 21063-21066, 21068, 21070-21073, 21075, 21079, 21081, 21083-21085, 21088-21089, 21093, 21095-21103, 21105-21108, 21110-21113, 21121-21122, 21124-21125, 21130-21133, 21135-21137, 21147-21162, 21164-21171, 21176, 21178-21179, 21181-21187, 21192-31168
Gruppe 2: (Blöcke 65536-98303)
Block bitmap in 65536 (+0), Inode Bitmap in 65537 (+1)
Inode-Tabelle in 65538-66024 (+2)
31013 freie Blöcke, 15425 freie Inodes, 10 Verzeichnisse
Freie Blöcke: 66025-66091, 66097-66130, 66179-67583, 67639-67671, 67715-69631, 69633-69654, 69739-71710, 71716-71749, 71760-75912, 75982-79871, 79875-79876, 79885-79901, 80159-81951, 82150-83967, 83973-83984, 84010-84104, 84107-88063, 88065-88099, 88114-88127, 88259-90136, 90140-90147, 90198-92159, 92162-92183, 92188-92195, 92199-92205, 92238-94258, 94265-96255, 96262-96268, 96465-98303
Freie Inodes: 31184, 31190, 31196, 31208-31209, 31211, 31222, 31225-31226, 31258, 31278, 31282, 31300, 31302, 31307, 31313-31314, 31316, 31319, 31321, 31324, 31349-46752
Gruppe 3: (Blöcke 98304-131071)
Backup Superblock in 98304, Gruppendeskriptoren in 98305-98305
Block bitmap in 98306 (+2), Inode Bitmap in 98307 (+3)
Inode-Tabelle in 98308-98794 (+4)
18528 freie Blöcke, 12241 freie Inodes, 471 Verzeichnisse
Freie Blöcke: 98795-99274, 99532-100367, 100378-100403, 100406-100414, 100417-100438, 100443-101072, 101362-102553, 102567-102584, 102617-103122, 103358-104447, 104453-104456, 104465-104476, 104808-105010, 105101-105235, 105526-106495, 106503-107019, 107378-108543, 108552-108589, 108592-108605, 108774-109000, 109207-109242, 109287-110591, 110601-110604, 110608-110644, 110773-111058, 111239-112639, 112650-112660, 112826-112834, 113528-113533, 113544-114687, 114694-114734, 114761-114772, 115407-115447, 115737-117335, 117754-117824, 117830-118783, 118830-118840, 119084-119437, 119656-120831, 120839-120847, 120865-120876, 121030-121394, 121669-121721, 121815-122879, 122881, 122890-122937, 123773-123838, 124971-124981, 127847-128151
Freie Inodes: 46756, 46900, 46909-46962, 47218-47224, 47227, 49274, 49276-49277, 49288, 49291-49292, 49294-49297, 49300-49304, 49306, 49328, 49332-49333, 49335, 49337, 49339, 49343, 49352, 49355-49356, 49359, 49361, 49367, 49385-49386, 49391, 50038, 50193-62336
Gruppe 4: (Blöcke 131072-163839)
Block bitmap in 131072 (+0), Inode Bitmap in 131073 (+1)
Inode-Tabelle in 131074-131560 (+2)
25334 freie Blöcke, 9936 freie Inodes, 44 Verzeichnisse
Freie Blöcke: 131613-131618, 133113-133119, 133159, 135165-135167, 135224, 135226-135227, 137394-139263, 139301-141311, 141375-143359, 143456-145407, 145525-145528, 145627-147455, 147571-149503, 149583-151551, 151661-153599, 153697-155647, 155713-157695, 157754-159743, 159845-161791, 161889-163839
Freie Inodes: 64363, 64374-64375, 64383, 64387, 64462, 67946, 67955-67971, 67975-67980, 68015-77920
Gruppe 5: (Blöcke 163840-196607)
Backup Superblock in 163840, Gruppendeskriptoren in 163841-163841
Block bitmap in 163842 (+2), Inode Bitmap in 163843 (+3)
Inode-Tabelle in 163844-164330 (+4)
22843 freie Blöcke, 14547 freie Inodes, 156 Verzeichnisse
Freie Blöcke: 164347-164351, 164637-165892, 165895-166138, 166400-167935, 168522-169983, 170259-172031, 172297-172299, 172303-174079, 174655-174676, 174701, 174703-176128, 176442-178175, 179746-180223, 180771-181228, 181605-182271, 182740-182747, 183059, 183851-184319, 184578-186367, 186739-186740, 186742-188415, 189792-189793, 189795-190540, 190834-192511, 192513-192548, 192817-194565, 194571-194711, 194903-196607
Freie Inodes: 78853-78859, 78936-78945, 78947, 78953, 78965, 78967-78994, 78996, 78998-79011, 79013-79015, 79017-79040, 79042-79045, 79047, 79051-79056, 79059-93504
Gruppe 6: (Blöcke 196608-229375)
Block bitmap in 196608 (+0), Inode Bitmap in 196609 (+1)
Inode-Tabelle in 196610-197096 (+2)
32260 freie Blöcke, 15564 freie Inodes, 16 Verzeichnisse
Freie Blöcke: 197098-212991, 212993-215039, 215055-219135, 219138-229375
Freie Inodes: 93525-109088
Gruppe 7: (Blöcke 229376-248998)
Backup Superblock in 229376, Gruppendeskriptoren in 229377-229377
Block bitmap in 229378 (+2), Inode Bitmap in 229379 (+3)
Inode-Tabelle in 229380-229866 (+4)
19132 freie Blöcke, 15584 freie Inodes, 0 Verzeichnisse
Freie Blöcke: 229867-248998
Freie Inodes: 109089-124672
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