Public bug reported:
Binary package hint: udev
Issue:
Upgrading udev and libudev0 from 151-12 0 to 151-13.3 breaks mdadm where
it cannot read mdadm.conf, and will not assemble, start, or mount a
previously configured and working RAID array.
I did not try updating each package seperately as I "assumed" that udev
and its supporting libraries needed to be at the same version to avoid
strange artifacts.
Requested system information follows. See bottom of report for
additional information.
====================================================
Version information:
You are using Ubuntu 10.04 LTS - the Lucid Lynx - released in April 2010 and
supported until April 2013.
Info on udev:
udev:
Installed: 151-12.3
Candidate: 151-12.3
Version table:
*** 151-12.3 0
500 http://us.archive.ubuntu.com/ubuntu/ lucid-updates/main Packages
100 /var/lib/dpkg/status
151-12 0
500 http://us.archive.ubuntu.com/ubuntu/ lucid/main Packages
Info on libudev0:
libudev0:
Installed: 151-12.3
Candidate: 151-12.3
Version table:
*** 151-12.3 0
500 http://us.archive.ubuntu.com/ubuntu/ lucid-updates/main Packages
100 /var/lib/dpkg/status
151-12 0
500 http://us.archive.ubuntu.com/ubuntu/ lucid/main Packages
"cat" listing of the current mdadm.conf
# mdadm.conf
#
# Please refer to mdadm.conf(5) for information about this file.
#
# by default, scan all partitions (/proc/partitions) for MD superblocks.
# alternatively, specify devices to scan, using wildcards if desired.
DEVICE partitions
# auto-create devices with Debian standard permissions
CREATE owner=root group=disk mode=0660 auto=yes
# automatically tag new arrays as belonging to the local system
HOMEHOST <system>
# instruct the monitoring daemon where to send mail alerts
MAILADDR root
# definitions of existing MD arrays
ARRAY /dev/md0 level=raid5 num-devices=4
UUID=0557a93b-19e8-49c2-bac3-2d3b793226ea
# (JH) Edited on 02/21/2011 to update the "ARRAY" statement to the
current raid-5 configuration.
# This file was auto-generated on Tue, 28 Sep 2010 01:33:52 -0400
# by mkconf $Id$libudev0:
Installed: 151-12.3
Candidate: 151-12.3
Version table:
*** 151-12.3 0
500 http://us.archive.ubuntu.com/ubuntu/ lucid-updates/main Packages
100 /var/lib/dpkg/status
151-12 0
500 http://us.archive.ubuntu.com/ubuntu/ lucid/main Packages
Attached: A text file containing all the package revisions for all packages on
my machine prior to update.
===========================================================
Earlier I had performed an update via update manager - which updated a
considerable number of files - and after rebooting I discovered that my
- non boot- RAID array would not start or mount.
Attempting to start the array - or even list its characteristics -
returns the following error from mdadm:
root@Storage3:/home/jim# mdadm -Es
mdadm: ARRAY line /dev/md0 has no identity information.
mdadm: Unknown keyword UUID=0557a93b-19e8-49c2-bac3-2d3b793226ea
ARRAY /dev/md0 level=raid5 num-devices=4
UUID=9efcf6bf:c64770c8:047cc9cf:f73b1244
I reverted to a pre-update system image I had taken and tried selective updates.
If I update udev and libudev0 - those being the ONLY updates applied - mdadm
breaks as before.
Attempts to update the mdadm.conf file do not work.
I am going to revert to the non-updated configuration, pin udev and its
library, and then continue the update process.
Please - a rapid fix, or backing out the update, would be gratefully
appreciated.
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: udev 151-12.3
ProcVersionSignature: Ubuntu 2.6.32-24.39-generic 2.6.32.15+drm33.5
Uname: Linux 2.6.32-24-generic x86_64
Architecture: amd64
Date: Mon Apr 4 16:57:46 2011
InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release amd64 (20100816.1)
Lsusb:
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: System manufacturer System Product Name
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-24-generic
root=UUID=0de7fe94-f4ed-4ecb-a3c0-5c6632c62b24 ro quiet splash
ProcEnviron:
PATH=(custom, no user)
LANG=en_US.utf8
SHELL=/bin/bash
SourcePackage: udev
dmi.bios.date: 03/03/2007
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0701
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: A8R32-MVP Deluxe
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr0701:bd03/03/2007:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnA8R32-MVPDeluxe:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
** Affects: udev (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug lucid udev
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https://bugs.launchpad.net/bugs/750761
Title:
Lucid: Update udev / libudev0 to 151-12.3 breaks mdadm
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