[Bug 1058987] Re: dnsmasq-base causes the root filesystem to not cleanly unmount at shutdown or reboot

[Kevin Keijzer]

I've tested some more tonight, and I can reproduce this on everything I used. Both Ubuntu 12.10 and Xubuntu 12.10 stock, unmodified, clean installs show this behaviour; both in VirtualBox and on my testing machine. Installing all the updates makes no difference.
Also, doing a fully up-to-date netinstall works fine until I install network-manager-gnome (which pulls in dnsmasq-base). That's when this bug starts to show up.

dnsmasq-base causes the 'mount: / is busy' message, which indicates an
unclean unmount of the root filesystem (confirmed by fsck on the next
boot), and network-manager seems to cause the long delay before actually
shutting down. Obviously, purging dnsmasq-base solves both, as this will
also remove network-manager.

** Tags added: busy is mount root

** Summary changed:

- dnsmasq-base causes the root filesystem to not cleanly unmount at shutdown or reboot
+ In Quantal, the root filesystem is not cleanly unmounted at shutdown or reboot

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https://bugs.launchpad.net/bugs/1058987

Title:
  In Quantal, the root filesystem is not cleanly unmounted at shutdown
  or reboot

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