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[Bug 1308105] Re: Xfce resets TV mode to NULL when power cycled


Alexander's patch also works nicely for me!  So awesome to have a font I
can read again and not to have to mess with Linux every time I turn off
the receiver or switch it to a different input.  Nice work!

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  Xfce resets TV mode to NULL when power cycled

Status in Mythbuntu, Ubuntu derivative focused upon MythTV:
Status in xfce4-settings:
Status in “nvidia-graphics-drivers” package in Ubuntu:
Status in “nvidia-graphics-drivers-331” package in Ubuntu:
Status in “xfce4-settings” package in Ubuntu:

Bug description:
  I had an HTPC with Mythbuntu 12.04 installed.  Upon upgrading a new
  behavior that if the TV is power cycled it no longer detects a link
  with the HTPC.

  When this happens I can find in the xorg log that there is an
  accompanying log item:

  [ 39829.509] (II) NVIDIA(0): Setting mode "NULL"

  After debugging with NVIDIA at
  detected/ we've deteremined it's a X client that reacts to the RANDR
  events causing the mode to be set to NULL.

  Working through the list in an Xfce environment, the culprit is
  xfsettingsd.  If xfsettingsd is running, it causes the TV to come up
  in a NULL mode.  If it's killed, it remains in the mode it was
  previously running in.

  Until this is fixed, this behavior can be worked around with a simple shell script:
  #Fix TV state when HDMI link is lost.
  #By Mario Limonciello <superm1@xxxxxxxxxx>


  for MODE in $BAD_MODE $GOOD_MODE; do
   DISPLAY=:0 xrandr --output $OUTPUT --mode $MODE
   sleep 2

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