[Bug 980676] Re: during installation a not involved partition was mounted and could not be unmounted. Installation was cut down.

[Brian Murray]

Apr 13 10:17:32 ubuntu ubiquity: umount: cannot unmount /dev/sda5 -- /dev/sda9 is mounted over it on the same point
Apr 13 10:18:12  ubiquity: last message repeated 2 times
Apr 13 10:18:28  ubiquity: last message repeated 4 times
Apr 13 10:18:28 ubuntu ubiquity[6934]: Reverting lockdown of the desktop environment.
Apr 13 10:18:28 ubuntu activate-dmraid: No Serial ATA RAID disks detected
Apr 13 10:18:29 ubuntu ubiquity: umount: /target: device is busy.
Apr 13 10:18:29 ubuntu ubiquity:         (In some cases useful info about processes that use
Apr 13 10:18:29 ubuntu ubiquity:          the device is found by lsof(8) or fuser(1))
Apr 13 10:18:29 ubuntu ubiquity[6934]: debconffilter_done: ubi-partman (current: ubi-partman)
Apr 13 10:18:29 ubuntu ubiquity[6934]: Reverting lockdown of the desktop environment.
Apr 13 10:18:30 ubuntu ubiquity: umount: /target/cdrom ist nicht eingehängt
Apr 13 10:18:30 ubuntu plugininstall.py: log-output -t ubiquity umount /target/cdrom

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https://bugs.launchpad.net/bugs/980676

Title:
  during installation a not involved partition was mounted and could not
  be unmounted. Installation was cut down.

Status in “ubiquity” package in Ubuntu:
  New

Bug description:
  Acer Aspire 5750g

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: ubiquity 2.10.4
  ProcVersionSignature: Ubuntu 3.2.0-20.33-generic-pae 3.2.12
  Uname: Linux 3.2.0-20-generic-pae i686
  NonfreeKernelModules: wl
  ApportVersion: 1.95-0ubuntu1
  Architecture: i386
  CasperVersion: 1.312
  Date: Fri Apr 13 12:18:35 2012
  InstallCmdLine: file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd.lz quiet splash -- maybe-ubiquity
  LiveMediaBuild: Ubuntu 12.04 LTS "Precise Pangolin" - Beta i386 (20120328)
  ProcEnviron:
   TERM=unknown
   PATH=(custom, no user)
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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