Public bug reported:
During system shutdown, NetworkManager neither kills dhclient nor does
it remove the dhclient pid file from the directory
/var/run/sendsigs.omit.d. As a result, dhclient continues to hold the
pid file open for write and when /etc/init.d/umountroot tries to remount
the root filesystem read-only, the remount fails. The message:
mount: / is busy
is seen in the console, and the filesystem must be recovered at boot
time:
[ 8.946427] EXT4-fs (sda1): INFO: recovery required on readonly filesystem
[ 8.947057] EXT4-fs (sda1): write access will be enabled during recovery
[ 11.234075] EXT4-fs (sda1): recovery complete
If shared libraries used by dhclient are updated before the reboot,
orphaned inodes associated with the .so files are created. For example,
doing "sudo apt-get install --reinstall libc6" and then rebooting leads
to:
[ 8.356521] EXT4-fs (sda1): INFO: recovery required on readonly filesystem
[ 8.356521] EXT4-fs (sda1): write access will be enabled during recovery
[ 8.716544] EXT4-fs (sda1): orphan cleanup on readonly fs
[ 8.716544] EXT4-fs (sda1): ext4_orphan_cleanup: deleting unreferenced inode
313749
[ 8.724544] EXT4-fs (sda1): ext4_orphan_cleanup: deleting unreferenced inode
313733
[ 8.724544] EXT4-fs (sda1): ext4_orphan_cleanup: deleting unreferenced inode
313725
[ 8.724544] EXT4-fs (sda1): 3 orphan inodes deleted
[ 8.728544] EXT4-fs (sda1): recovery complete
This is network-manager 0.9.3.995+git201203152001.04b2a74-0ubuntu1
running under 12.04. I don't believe any actual data loss will occur
as a result of this bug, but it's likely to produce much user anxiety.
Also see Bug 952315, which misidentifies the cause of the problems as
upstart.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: network-manager 0.9.3.995+git201203152001.04b2a74-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-20.32-generic 3.2.12
Uname: Linux 3.2.0-20-generic i686
ApportVersion: 1.95-0ubuntu1
Architecture: i386
CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not
found.
Date: Fri Mar 23 07:42:20 2012
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111011)
IwConfig:
lo no wireless extensions.
eth0 no wireless extensions.
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
WimaxEnabled=true
ProcEnviron:
TERM=xterm
LANG=en_US.UTF-8
SHELL=/bin/bash
RfKill:
SourcePackage: network-manager
UpgradeStatus: Upgraded to precise on 2012-03-02 (20 days ago)
** Affects: network-manager (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 precise
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/963106
Title:
NetworkManager causes orphaned inodes
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/963106/+subscriptions
--
ubuntu-bugs mailing list
ubuntu-bugs@lists.ubuntu.com
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
