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

 

Trying to implement the suggestion in #115, I've got the git repo from
xfce.org and applied the patch, did the configure which ends with:

Build Configuration:

* Installation prefix:       /usr
* Debug Support:             full
* Xrandr support:            yes
* UPower support:            no
* Libnotify support:         no
* Xcursor support:           yes
* Xorg libinput support:     no
* Embedded settings dialogs  no
* Sounds settings support    no
* Libxklavier support:       yes
* Mime settings (gio-unix):  yes

But attempting a build gives the error:

make[4]: Entering directory '/home/cmcmanis/src/xfce4-settings/dialogs/appearance-settings'
  CC       xfce4_appearance_settings-main.o
main.c:44:34: fatal error: appearance-dialog_ui.h: No such file or directory
compilation terminated.
Makefile:667: recipe for target 'xfce4_appearance_settings-main.o' failed

So presumably there is a missing step here somewhere.

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https://bugs.launchpad.net/bugs/1308105

Title:
  Xfce resets TV mode to NULL when power cycled

Status in Mythbuntu:
  Confirmed
Status in xfce4-settings:
  Confirmed
Status in nvidia-graphics-drivers package in Ubuntu:
  Invalid
Status in nvidia-graphics-drivers-331 package in Ubuntu:
  Invalid
Status in xfce4-settings package in Ubuntu:
  Confirmed

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
  https://devtalk.nvidia.com/default/topic/729955/linux/tv-stops-being-
  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:
  ==============================
  #!/bin/sh
  #Fix TV state when HDMI link is lost.
  #By Mario Limonciello <superm1@xxxxxxxxxx>

  OUTPUT="HDMI-0"
  BAD_MODE="1280x720"
  GOOD_MODE="1920x1080"

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

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