[Bug 1124029] Re: 'ltsp-client-builder' failed with error code 1 during LTSP server installation with 20120213.1 alternate images

[Colin Watson]

Hello Parameswaran, or anyone else affected,

Accepted ltsp into precise-proposed. The package will build now and be
available at http://launchpad.net/ubuntu/+source/ltsp/5.3.7-0ubuntu2.5
in a few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed.  Your feedback will aid us getting this update
out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-needed to verification-done. If it does not fix the
bug for you, please add a comment stating that, and change the tag to
verification-failed.  In either case, details of your testing will help
us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Also affects: ltsp (Ubuntu Precise)
   Importance: Undecided
       Status: New

** Changed in: ltsp (Ubuntu Precise)
       Status: New => Triaged

** Changed in: ltsp (Ubuntu Precise)
   Importance: Undecided => High

** Changed in: ltsp (Ubuntu Precise)
     Assignee: (unassigned) => Stéphane Graber (stgraber)

** Changed in: ltsp (Ubuntu Precise)
    Milestone: None => ubuntu-12.04.2

** Changed in: ltsp (Ubuntu)
       Status: New => Triaged

** Changed in: ltsp (Ubuntu)
   Importance: Undecided => High

** Changed in: ltsp (Ubuntu Precise)
       Status: Triaged => Fix Committed

** Tags added: verification-needed

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https://bugs.launchpad.net/bugs/1124029

Title:
  'ltsp-client-builder' failed with error code 1 during LTSP server
  installation with 20120213.1 alternate images

Status in “ltsp” package in Ubuntu:
  Triaged
Status in “ltsp” source package in Precise:
  Fix Committed

Bug description:
  == Rationale ==
  For some reason /run/resolvconf sometimes (race condition) doesn't exist at the time we try to setup LTSP. This is a bug in its own but is then making a touch /etc/resolv.conf fail in ltsp-client-builder.

  The workaround for now is to call mkdir -p /run/resolvconf through in-
  target, thereby ensuring /run/resolvconf always exists, which should
  make the touch succeed.

  == Test case ==
  It's unfortunately a race condition, so short of trying a few installs and considering it fixed, there's no trivial way of confirming this.
  One could try to remove /run/resolvconf on purpose just before ltsp-client-builder is called and see what happens, but that'd require some pretty careful timing.

  == Regression potential ==
  This is a mkdir -p of a directory under /run, so it really shouldn't ever fail.
  However the fix is just working around a bigger problem and if anything inside the target tries to resolve a hostname, this will still fail as we won't have any DNS servers configured.

  --- original report ---

  The following error occurs during LTSP server installation on hardware
  with Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64+mac
  (20130213.1).

  Feb 13 11:40:02 main-menu[409]: (process:21643): mount: mounting proc on /target/proc failed: Device or resource busy
  Feb 13 11:40:02 main-menu[409]: WARNING **: Configuring 'ltsp-client-builder' failed with error code 1
  Feb 13 11:40:02 main-menu[409]: WARNING **: Menu item 'ltsp-client-builder' failed.

  **This is with amd64+mac and will report the outcome of i386 and amd64
  installations shortly.

  == Test case ==
  1) Press F4
  2) Choose LTSP
  3) Install
  (This is a side-by-side installation along with another precise alternate one. Not sure if that's any reason for this)

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