Public bug reported:
1.) I had to run apport-bug after a reboot, apport hangs when confronted with
hung filesystem.
2.) LVM/LUKS/ecryptfs are all used.
3.) Basic disc setup: VG andidesk uses an unencrypted PV on a Intel 320 SSD. VG
andideskold is an old installation, unused beyond being mounted on /old. VG
vgpi contains my multimedia collection. andideskold/vgpi are both hosted on
normal hdds in LUKS encrypted PVs.
4.) After moving the journal of /dev/vgpi/vuze (ext4) to
/dev/andidesk/vuze_journal (a 128MB, according to tune2fs correctly sized,
external journal for ext4), and start deluged, it chucks around for some time,
after that some more or less random time, crashes in ext4_ext_search_left+0xe6,
leaving the filesystem hung, generating D state processes on access. This also
causes the box being unable to shutdown correctly.
5.) a grep on kern.log suggests that the crash happens around 6000-7000 seconds
uptime.
6.) The bug is reproducible on my system, I tried to test with 2.6.38.11.21
from lucid-proposed, but I was unable to get that to run satisfactory (this is
a work system, and the 2.6.38 kernel made X run with a generic driver instead
of Nouveau, hence not really supporting my dual head, so tests with not fully
functional kernels I can only run overnight.)
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: linux-image-2.6.32-34-generic 2.6.32-34.77
Regression: No
Reproducible: Yes
ProcVersionSignature: Ubuntu 2.6.32-34.77-generic 2.6.32.44+drm33.19
Uname: Linux 2.6.32-34-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: andreas 2355 F.... pulseaudio
CRDA: Error: [Errno 2] Datei oder Verzeichnis nicht gefunden
Card0.Amixer.info:
Card hw:0 'NVidia'/'HDA NVidia at 0xfbd78000 irq 20'
Mixer name : 'Realtek ALC662 rev1'
Components : 'HDA:10ec0662,18493662,00100101'
Controls : 36
Simple ctrls : 19
Date: Mon Oct 3 13:27:51 2011
HibernationDevice: RESUME=UUID=7c2b79de-a221-4cdb-839c-d17384463be3
InstallationMedia: Ubuntu 10.04.3 LTS "Lucid Lynx" - Release amd64 (20110719.2)
MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
ProcCmdLine: BOOT_IMAGE=/vmlinuz-2.6.32-34-generic
root=/dev/mapper/hostname-root ro quiet splash
ProcEnviron:
PATH=(custom, no user)
LANG=de_AT.utf8
SHELL=/bin/bash
RelatedPackageVersions: linux-firmware 1.34.7
RfKill:
SourcePackage: linux
dmi.bios.date: 04/09/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P1.10
dmi.board.name: ALiveNF7G-GLAN
dmi.board.vendor: ASRock
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrP1.10:bd04/09/2009:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnALiveNF7G-GLAN:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: To Be Filled By O.E.M.
dmi.product.version: To Be Filled By O.E.M.
dmi.sys.vendor: To Be Filled By O.E.M.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug filesystem lucid needs-upstream-testing
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https://bugs.launchpad.net/bugs/865259
Title:
ext4 filesystem semi-crash (D state on access)
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