[Bug 1170911] Re: "mount: / is busy" error during shutdown (not network-manager)

[David Matějček]

I have uninstalled nvidia driver, but the problem is same with some small changes:
- suspend and hibernate does not hang, but ends up only in login screen
- shutdown hangs again with  mount: / is busy, but not always. Some attempts were successful.

Now I see also this message when trying to suspend the computer and than shutdown:
udevd timeout: killing /sbin/modprobe -bv pci
This is reported here: https://bugs.launchpad.net/ubuntu/+source/udev/+bug/1092102

Maybe this bug depends on some ACPI event?

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to sysvinit in Ubuntu.
https://bugs.launchpad.net/bugs/1170911

Title:
  "mount: / is busy" error during shutdown (not network-manager)

Status in “sysvinit” package in Ubuntu:
  Confirmed

Bug description:
  When I halt Ubuntu ugly (but probably harmless) error messages about
  unmounting several filesystems (including the root) are displayed or
  the screen.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: mountall 2.48build1
  ProcVersionSignature: Ubuntu 3.8.0-19.29-generic 3.8.8
  Uname: Linux 3.8.0-19-generic i686
  ApportVersion: 2.9.2-0ubuntu8
  Architecture: i386
  Date: Sat Apr 20 11:08:07 2013
  InstallationDate: Installed on 2013-02-05 (73 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha i386 (20130205)
  MarkForUpload: True
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: mountall
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/sysvinit/+bug/1170911/+subscriptions