Linux VDA - Desktop viewer of session launch shows grey screen and then disappears in short time
Article ID: CTX695052
Updated On:
Description
After launching the desktop, desktop viewer shows grey screen as it in following screenshot and then exits in short time
Following output could be seen in the log
Xorg.0.log
[ 458.725] _XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed[ 458.726] _XSERVTransMakeAllCOTSServerListeners: server already running[ 458.726] (EE)Fatal server error:[ 458.726] (EE) Cannot establish any listening sockets - Make sure an X server isn't already running(EE)[ 458.726] (EE)Please consult the The X.Org Foundation supportat http://wiki.x.orgfor help.[ 458.726] (EE) Please also check the log file at "/var/log/Xorg.0.log" for additional information.[ 458.726] (EE)[ 458.726] (EE) Server terminated with error (1). Closing log file.
messages
Aug 6 11:07:41 SR650-7 citrix-ctxgfx[6543]: Exiting due to errors.
Considering settting, the display number is configued
create -k "HKLM\System\CurrentControlSet\Control\Citrix\Xorg" -t "REG_DWORD" -v "DisplayNumber" -d "0x00000000" --force
create -k "HKLM\System\CurrentControlSet\Control\Citrix\Xorg" -t "REG_DWORD" -v "ListenTCP" -d "0x00000001" --force
Cause
Display number is occupied and ctxgfx exits accordingly
Resolution
Delete the Xorg key by following command and then restart ctxvda and ctxhdx service
sudo /opt/Citrix/VDA/bin/ctxreg delete -k "HKLM\System\CurrentControlSet\Control\Citrix\Xorg"
Issue/Introduction
Desktop viewer of session launch shows grey screen and then disappears in short time
