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[Launchpad Bug Tracker <734832@xxxxxxxxxxxxxxxxxx>]

[Expired for gdm (Ubuntu) because there has been no activity for 60
days.]

** Changed in: gdm (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/734832

Title:
  Improved PostLogin script to for gdm 2.30

Status in “gdm” package in Ubuntu:
  Expired

Bug description:
  Binary package hint: gdm

  GDM for versions > 2.30 uses new Xauthority files under
  /var/run/gdm/... .

  This has the following implication:
  a) User connects to his ubuntu machine using ssh -XYC ubuntu-machine
  b) User tries to run an X11 command on the remote machine so that X11 is redirected to his local machine
  c) User gets the following error:
  [username@ubuntu-remote-machine]~ $ /opt/emacs24/bin/emacsclient -c
  Waiting for Emacs...X11 connection rejected because of wrong authentication.

  *ERROR*: Display localhost:10.0 can't be opened

  The workaround in order to solve the above was to run the following on
  the remote ubuntu machine:

  $ XAUTHORITY=... (the value it has in any processes that is under the gdm process tree).
  $ export XAUTHORITY
  $ xauth remove localhost:10
  $ xauth merge ~/.Xauthority

  For more information, please see this
  https://bugs.archlinux.org/task/19649

  and this
  http://groups.google.com/group/gnu.emacs.bug/browse_thread/thread/581ad16fa64e87b8/849d4d44255c6ac4?#849d4d44255c6ac4

  Thanks,
  Leonidas

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