[Bug 1220165] Re: Error informing the kernel about modificatons

[Steve Langasek]

Ok, no partitions from /dev/sda are mounted, and syslog doesn't show
anything else referencing it (such as via LVM).  So this may actually be
a bug in the kernel, since /dev/sda3 is shown in syslog as having been
mounted once, and perhaps there's a reference that fails to be released.
But I also don't know why the installer is trying to change the
partition table anyway, so this probably needs investigation from both
ends.

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https://bugs.launchpad.net/bugs/1220165

Title:
  Error informing the kernel about modificatons

Status in “ubiquity” package in Ubuntu:
  Confirmed

Bug description:
  When installing the desktop powerpc image, the installer comes up with
  an error message:

  "Error informing the kernel about modifications to partitino /dev/sda3
  - Device or resource busy.  This means Linuxc won't know about any
  changes you made to /dev/sda3 until you reboot - so you shouldn't
  mount it or use it in any way before rebooting."

  I made no changes.  The installer comes up with this error all on its
  own right before the "Where are you?" screen.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: ubiquity 2.15.16
  ProcVersionSignature: Ubuntu 3.11.0-1.2-powerpc-smp 3.11.0-rc7
  Uname: Linux 3.11.0-1-powerpc-smp ppc
  ApportVersion: 2.12.1-0ubuntu3
  Architecture: powerpc
  CasperVersion: 1.336
  Date: Tue Sep  3 09:51:27 2013
  InstallCmdLine: ro ramdisk_size=1048576 file=/cdrom/preseed/lubuntu.seed boot=casper quiet splash -- video=radeonfb:1280x854-32 at 60
  LiveMediaBuild: Lubuntu 13.10 "Saucy Salamander" - Alpha powerpc (20130902.1)
  MarkForUpload: True
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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