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x2go pushed a commit to branch feature/mate-minidesktop-stretch
in repository live-build-x2go.
commit c7abe5da7950704f13f2121a0b32603482fc0fcf
Author: Stefan Baur (BAUR-ITCS) <kont...@baur-itcs.de>
Date: Tue Jan 16 02:47:26 2018 +0100
Revert "improved code to fix blank screen happening with DisplayPort and
some buggy TFTs (xset q reports "Monitor is on" even though it is pitch black)
- second attempt"
This reverts commit 5258aff8f686e2483b0e2bec07fb4dc5f66a2fe4.
---
.../lib/live/config/2900-x2go-thinclientconfig | 22 +++++++++++++++++++---
1 file changed, 19 insertions(+), 3 deletions(-)
diff --git a/config/includes.chroot/lib/live/config/2900-x2go-thinclientconfig
b/config/includes.chroot/lib/live/config/2900-x2go-thinclientconfig
index 4dd16d8..40342ad 100755
--- a/config/includes.chroot/lib/live/config/2900-x2go-thinclientconfig
+++ b/config/includes.chroot/lib/live/config/2900-x2go-thinclientconfig
@@ -86,9 +86,25 @@ done
openbox &
# code to fix blank screen happening with DisplayPort and some buggy TFTs
(xset q reports "Monitor is on" even though it is pitch black)
-CURRENTRES=\$(xrandr | awk '$0 ~/\*/ { print \$1}') # determine current
resolution
-xrandr -s 640x480 # set low resolution to trigger TFT wakeup
-xrandr -s \$CURRENTRES # restore original resolution
+# it seems that a simple
+# xset dpms force standby ; xset dpms force on
+# isn't enough (doesn't always help),
+# so let's add some resiliency and logging
+
+if grep -q '\W*blankdpmsfix\W*' /proc/cmdline; then
+ while xset q | grep -q "Monitor is On" ; do
+ while ! xset q | grep -q "Monitor is in Standby" ; do
+ echo -en "\n\$(date +'%F | %T | ')'\$0' Attempting to
force TFT into 'standby'." | tee -a /dev/tty8
+ xset dpms force standby
+ echo -en "\n\$(date +'%F | %T | ')'\$0' \$(xset q |
grep "Monitor is")" | tee -a /dev/tty8
+ done
+ done
+ while ! xset q | grep -q "Monitor is On" ; do
+ echo -en "\n\$(date +'%F | %T | ')'\$0' Attempting to force TFT
to 'on'." | tee -a /dev/tty8
+ xset dpms force on
+ echo -en "\n\$(date +'%F | %T | ')'\$0' \$(xset q | grep
"Monitor is")" | tee -a /dev/tty8
+ done
+fi
# set screen background to X2Go default blue on all detected screens
xsetroot -solid "#246ed8"
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