*** This bug is a duplicate of bug 1124803 ***
https://bugs.launchpad.net/bugs/1124803
It turned out to a kind of mystery. No files are left open for writing
but device is busy and can not be cleanly remounted readonly.
Moreover it is not clear how to reproduce the issue.
Concerning the formalities, since the issue addressed
in the last comments have nothing with bug lp: #1124803
"NetworkManager doesn't respond to SIGTERM in daemon mode",
the link to that bug might be removed. On the other hand
original description of this bug fitted quite well
to bug lp: #1124803 and it has nothing
common with removing of network-manager, plymouth, etc.
In my opinion the case with no bunch of packages should be filed
as a dedicated bug with clear statements concerning conditions
and ruled out hypotheses.
Alexander, actually I can not figure out which way debug scripts
can block umount, but since they provide no useful info,
it is interesting what would happen if you completely remove
debug scripts and temporally set
HALT=halt
in /etc/default/halt to have time to inspect last messages
without writing them to a file.
Have you tried memtest on that box? Have you experienced
kernel panic or Oops due to kernel modules or hangs
due to e.g. graphics card driver?
Concerning the bug lp: #1124803, there are tails of
modem-manager and so network-manager again.
I can not comment on plymouth hangs since removing
of "quiet" and "splash" from GRUB_CMDLINE_LINUX_DEFAULT
works like a charm for me. (Actually I have tried
an upstart task with "/bin/plymouth hide-splash"
command before.)
To obtain more debug info I would suggest to run
sudo initctl log-priority info
before shutdown
(perhaps 'sudo sysctl kernel.printk="7 4 1 7"'
to see the messages on the screen as well)
and add
dmesg > /upstart-messages.log
to /etc/init.d/umountroot
There is an issue with network manager proliferated to
plenty of bugs, but it can be easily fixed. The problem
with busy / when no processes are left and
no files are open is very strange.
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https://bugs.launchpad.net/bugs/1073433
Title:
Ext4 corruption associated with shutdown of Ubuntu 12.10
Status in Upstart:
Confirmed
Status in “linux” package in Ubuntu:
Incomplete
Status in “network-manager” package in Ubuntu:
Triaged
Status in “upstart” package in Ubuntu:
Confirmed
Bug description:
1. Format and label a target Ext4 partion using Ubuntu 12.04
2. Install 64bit 12.10 OS using that target without reformatting it
3. Shut down
4. Boot an alternate copy of Ubuntu
5. Restart selecting the newly installed OS
6. Login then shutdown
6. Boot an alternate copy of Ubuntu
7.Fsck the newly installed OS allowing corrections to be made
Each time the the newly installed OS is executed and then shutdown,
even if execution only consists of logging on, a subsequent fsck will
FAIL.
I used Acronis True Image Home 2013 to create an image of the newly
installed 64-bit Ubuntu 12.10, so I can recreate the symptoms of Ext4
filesystem corruption 100% of the time by restoring from the image,
booting, logging on and shutting down.
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: linux-image-3.5.0-17-generic 3.5.0-17.28
ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5
Uname: Linux 3.5.0-17-generic x86_64
ApportVersion: 2.6.1-0ubuntu3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: aguru 1871 F.... pulseaudio
/dev/snd/controlC0: aguru 1871 F.... pulseaudio
CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211
not found.
Date: Tue Oct 30 22:24:54 2012
HibernationDevice: RESUME=UUID=f22e3fa5-c5c5-41f1-ae5a-49390547cb67
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
IwConfig:
eth0 no wireless extensions.
lo no wireless extensions.
MachineType: System manufacturer P5Q-E
ProcEnviron:
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 nouveaufb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-17-generic
root=UUID=ef2c78d5-783a-422a-88f7-27ec09dda0d1 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.5.0-17-generic N/A
linux-backports-modules-3.5.0-17-generic N/A
linux-firmware 1.95
RfKill:
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/06/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 2101
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P5Q-E
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.:bvr2101:bd04/06/2009:svnSystemmanufacturer:pnP5Q-E:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5Q-E:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: P5Q-E
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
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