[Bug 933626] Re: acpi-support should use ck-list-sessions to determine active X display and X user

[Launchpad Bug Tracker]

This bug was fixed in the package acpi-support - 0.139

---------------
acpi-support (0.139) precise; urgency=low

  * lib/power-funcs: adjust getXuser and getXconsole to use consolekit
    instead of ps/who to identify the "foreground" session and the owner
    of a given X session, since lightdm is currently failing to record this
    information in utmp.  Also, add headers for each of these functions
    documenting how they're supposed to work, since it's completely
    non-obvious and some of the scripts already in acpi-support are using
    them wrong.  Thanks to Ayan George <ayan.george at canonical.com> for the
    preliminary patch.  LP: #933626, #893271.
  * rotatescreen.sh: fix wrong use of getXconsole where getXuser is needed.
 -- Steve Langasek <steve.langasek at ubuntu.com>   Sat, 03 Mar 2012 15:49:47 -0800

** Changed in: acpi-support (Ubuntu)
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/933626

Title:
  acpi-support should use ck-list-sessions to determine active X display
  and X user

Status in “acpi-support” package in Ubuntu:
  Fix Released

Bug description:
  
  The acpi-support scripts use 'ps' and 'who' output to determine the current active X display and X user (in getXconsole and getXuser).  Currently, LightDM does not write to utmp so 'who' does not output the correct information breaking getXconsole and getXuser.  

  ConsoleKit properly maintains the state of the console and probably
  should be used instead.

  I've attached a patch that re-implements getXconsole and getXuser by
  calling ck-list-sessions.

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