I installed endeavouros by disabling 3D acceleration. I enabled 3D acceleration again and the screen goes blank again. There are no errors in the Xorg.0.log file and it looks like this (sorry I am unable to upload the file):
[ 108.857]
X.Org X Server 1.20.5
X Protocol Version 11, Revision 0
[ 108.857] Build Operating System: Linux Arch Linux
[ 108.857] Current Operating System: Linux sanjay-pc 5.3.1-arch1-1-ARCH #1 SMP PREEMPT Sat Sep 21 11:33:49 UTC 2019 x86_64
[ 108.857] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-linux root=UUID=94349b76-ef62-467a-bb55-c6f655bf70f0 rw quiet resume=UUID=d013e183-2873-49e2-ba70-b19ba288a18a loglevel=3 3
[ 108.857] Build Date: 30 June 2019 09:52:01AM
[ 108.857]
[ 108.857] Current version of pixman: 0.38.4
[ 108.857] Before reporting problems, check http://wiki.x.org
to make sure that you have the latest version.
[ 108.857] Markers: (--) probed, (**) from config file, (==) default setting,
(++) from command line, (!!) notice, (II) informational,
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[ 108.857] (==) Log file: "/var/log/Xorg.0.log", Time: Thu Sep 26 09:36:38 2019
[ 108.857] (==) Using config directory: "/etc/X11/xorg.conf.d"
[ 108.857] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[ 108.858] (==) No Layout section. Using the first Screen section.
[ 108.858] (==) No screen section available. Using defaults.
[ 108.858] (**) |-->Screen "Default Screen Section" (0)
[ 108.858] (**) | |-->Monitor "<default monitor>"
[ 108.858] (==) No monitor specified for screen "Default Screen Section".
Using a default monitor configuration.
[ 108.858] (==) Automatically adding devices
[ 108.858] (==) Automatically enabling devices
[ 108.858] (==) Automatically adding GPU devices
[ 108.858] (==) Automatically binding GPU devices
[ 108.858] (==) Max clients allowed: 256, resource mask: 0x1fffff
[ 108.858] (WW) The directory "/usr/share/fonts/misc" does not exist.
[ 108.858] Entry deleted from font path.
[ 108.859] (WW) The directory "/usr/share/fonts/OTF" does not exist.
[ 108.859] Entry deleted from font path.
[ 108.859] (WW) The directory "/usr/share/fonts/Type1" does not exist.
[ 108.859] Entry deleted from font path.
[ 108.859] (WW) The directory "/usr/share/fonts/100dpi" does not exist.
[ 108.859] Entry deleted from font path.
[ 108.859] (WW) The directory "/usr/share/fonts/75dpi" does not exist.
[ 108.859] Entry deleted from font path.
[ 108.859] (==) FontPath set to:
/usr/share/fonts/TTF
[ 108.859] (==) ModulePath set to "/usr/lib/xorg/modules"
[ 108.859] (II) The server relies on udev to provide the list of input devices.
If no devices become available, reconfigure udev or disable AutoAddDevices.
[ 108.859] (II) Module ABI versions:
[ 108.859] X.Org ANSI C Emulation: 0.4
[ 108.859] X.Org Video Driver: 24.0
[ 108.859] X.Org XInput driver : 24.1
[ 108.859] X.Org Server Extension : 10.0
[ 108.859] (++) using VT number 7
[ 108.859] (II) systemd-logind: logind integration requires -keeptty and -keeptty was not provided, disabling logind integration
[ 108.859] (II) xfree86: Adding drm device (/dev/dri/card0)
[ 108.884] (--) PCI:*(0@0:2:0) 1af4:1050:1af4:1100 rev 1, Mem @ 0xc0000000/8388608, 0x800000000/16384, 0xc0845000/4096, BIOS @ 0x????????/131072
[ 108.884] (WW) Open ACPI failed (/var/run/acpid.socket) (No such file or directory)
[ 108.884] (II) LoadModule: "glx"
[ 108.884] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
[ 108.886] (II) Module glx: vendor="X.Org Foundation"
[ 108.886] compiled for 1.20.5, module version = 1.0.0
[ 108.886] ABI class: X.Org Server Extension, version 10.0
[ 108.886] (==) Matched modesetting as autoconfigured driver 0
[ 108.886] (==) Matched fbdev as autoconfigured driver 1
[ 108.886] (==) Matched vesa as autoconfigured driver 2
[ 108.886] (==) Assigned the driver to the xf86ConfigLayout
[ 108.886] (II) LoadModule: "modesetting"
[ 108.886] (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so
[ 108.887] (II) Module modesetting: vendor="X.Org Foundation"
[ 108.887] compiled for 1.20.5, module version = 1.20.5
[ 108.887] Module class: X.Org Video Driver
[ 108.887] ABI class: X.Org Video Driver, version 24.0
[ 108.887] (II) LoadModule: "fbdev"
[ 108.887] (II) Loading /usr/lib/xorg/modules/drivers/fbdev_drv.so
[ 108.887] (II) Module fbdev: vendor="X.Org Foundation"
[ 108.887] compiled for 1.20.0, module version = 0.5.0
[ 108.887] Module class: X.Org Video Driver
[ 108.887] ABI class: X.Org Video Driver, version 24.0
[ 108.887] (II) LoadModule: "vesa"
[ 108.887] (II) Loading /usr/lib/xorg/modules/drivers/vesa_drv.so
[ 108.887] (II) Module vesa: vendor="X.Org Foundation"
[ 108.887] compiled for 1.20.0, module version = 2.4.0
[ 108.887] Module class: X.Org Video Driver
[ 108.887] ABI class: X.Org Video Driver, version 24.0
[ 108.887] (II) modesetting: Driver for Modesetting Kernel Drivers: kms
[ 108.887] (II) FBDEV: driver for framebuffer: fbdev
[ 108.887] (II) VESA: driver for VESA chipsets: vesa
[ 108.916] (II) modeset(0): using drv /dev/dri/card0
[ 108.916] (WW) Falling back to old probe method for fbdev
[ 108.916] (II) Loading sub module "fbdevhw"
[ 108.916] (II) LoadModule: "fbdevhw"
[ 108.916] (II) Loading /usr/lib/xorg/modules/libfbdevhw.so
[ 108.933] (II) Module fbdevhw: vendor="X.Org Foundation"
[ 108.933] compiled for 1.20.5, module version = 0.0.2
[ 108.933] ABI class: X.Org Video Driver, version 24.0
[ 108.933] (II) modeset(0): Creating default Display subsection in Screen section
"Default Screen Section" for depth/fbbpp 24/32
[ 108.933] (==) modeset(0): Depth 24, (==) framebuffer bpp 32
[ 108.933] (==) modeset(0): RGB weight 888
[ 108.933] (==) modeset(0): Default visual is TrueColor
[ 108.933] (II) Loading sub module "glamoregl"
[ 108.933] (II) LoadModule: "glamoregl"
[ 108.933] (II) Loading /usr/lib/xorg/modules/libglamoregl.so
[ 108.936] (II) Module glamoregl: vendor="X.Org Foundation"
[ 108.936] compiled for 1.20.5, module version = 1.0.1
[ 108.936] ABI class: X.Org ANSI C Emulation, version 0.4
[ 109.000] (II) modeset(0): glamor X acceleration enabled on virgl
[ 109.000] (II) modeset(0): glamor initialized
[ 109.000] (II) modeset(0): Output Virtual-1 has no monitor section
[ 109.001] (II) modeset(0): EDID for output Virtual-1
[ 109.001] (II) modeset(0): Printing probed modes for output Virtual-1
[ 109.001] (II) modeset(0): Modeline "1920x987"x60.0 157.26 1920 2040 2240 2560 987 990 1000 1024 -hsync +vsync (61.4 kHz P)
[ 109.001] (II) modeset(0): Modeline "4096x2160"x60.0 556.74 4096 4104 4136 4176 2160 2208 2216 2222 +hsync -vsync (133.3 kHz e)
[ 109.001] (II) modeset(0): Modeline "4096x2160"x59.9 556.19 4096 4104 4136 4176 2160 2208 2216 2222 +hsync -vsync (133.2 kHz e)
[ 109.001] (II) modeset(0): Modeline "2560x1600"x60.0 348.50 2560 2752 3032 3504 1600 1603 1609 1658 -hsync +vsync (99.5 kHz e)
[ 109.001] (II) modeset(0): Modeline "2560x1600"x60.0 268.50 2560 2608 2640 2720 1600 1603 1609 1646 +hsync -vsync (98.7 kHz e)
[ 109.001] (II) modeset(0): Modeline "1920x1440"x60.0 234.00 1920 2048 2256 2600 1440 1441 1444 1500 -hsync +vsync (90.0 kHz e)
[ 109.001] (II) modeset(0): Modeline "1856x1392"x60.0 218.25 1856 1952 2176 2528 1392 1393 1396 1439 -hsync +vsync (86.3 kHz e)
[ 109.001] (II) modeset(0): Modeline "1792x1344"x60.0 204.75 1792 1920 2120 2448 1344 1345 1348 1394 -hsync +vsync (83.6 kHz e)
[ 109.001] (II) modeset(0): Modeline "2048x1152"x60.0 162.00 2048 2074 2154 2250 1152 1153 1156 1200 +hsync +vsync (72.0 kHz e)
[ 109.001] (II) modeset(0): Modeline "1920x1200"x59.9 193.25 1920 2056 2256 2592 1200 1203 1209 1245 -hsync +vsync (74.6 kHz e)
[ 109.001] (II) modeset(0): Modeline "1920x1200"x60.0 154.00 1920 1968 2000 2080 1200 1203 1209 1235 +hsync -vsync (74.0 kHz e)
[ 109.001] (II) modeset(0): Modeline "1920x1080"x60.0 148.50 1920 2008 2052 2200 1080 1084 1089 1125 -hsync -vsync (67.5 kHz e)
[ 109.001] (II) modeset(0): Modeline "1600x1200"x60.0 162.00 1600 1664 1856 2160 1200 1201 1204 1250 +hsync +vsync (75.0 kHz e)
[ 109.001] (II) modeset(0): Modeline "1680x1050"x60.0 146.25 1680 1784 1960 2240 1050 1053 1059 1089 -hsync +vsync (65.3 kHz e)
[ 109.001] (II) modeset(0): Modeline "1680x1050"x59.9 119.00 1680 1728 1760 1840 1050 1053 1059 1080 +hsync -vsync (64.7 kHz e)
[ 109.001] (II) modeset(0): Modeline "1400x1050"x60.0 121.75 1400 1488 1632 1864 1050 1053 1057 1089 -hsync +vsync (65.3 kHz e)
[ 109.001] (II) modeset(0): Modeline "1400x1050"x59.9 101.00 1400 1448 1480 1560 1050 1053 1057 1080 +hsync -vsync (64.7 kHz e)
[ 109.001] (II) modeset(0): Modeline "1600x900"x60.0 108.00 1600 1624 1704 1800 900 901 904 1000 +hsync +vsync (60.0 kHz e)
[ 109.001] (II) modeset(0): Modeline "1280x1024"x60.0 108.00 1280 1328 1440 1688 1024 1025 1028 1066 +hsync +vsync (64.0 kHz e)
[ 109.001] (II) modeset(0): Modeline "1440x900"x59.9 106.50 1440 1520 1672 1904 900 903 909 934 -hsync +vsync (55.9 kHz e)
[ 109.001] (II) modeset(0): Modeline "1440x900"x59.9 88.75 1440 1488 1520 1600 900 903 909 926 +hsync -vsync (55.5 kHz e)
[ 109.001] (II) modeset(0): Modeline "1280x960"x60.0 108.00 1280 1376 1488 1800 960 961 964 1000 +hsync +vsync (60.0 kHz e)
[ 109.001] (II) modeset(0): Modeline "1366x768"x59.8 85.50 1366 1436 1579 1792 768 771 774 798 +hsync +vsync (47.7 kHz e)
[ 109.001] (II) modeset(0): Modeline "1366x768"x60.0 72.00 1366 1380 1436 1500 768 769 772 800 +hsync +vsync (48.0 kHz e)
[ 109.001] (II) modeset(0): Modeline "1360x768"x60.0 85.50 1360 1424 1536 1792 768 771 777 795 +hsync +vsync (47.7 kHz e)
[ 109.001] (II) modeset(0): Modeline "1280x800"x59.8 83.50 1280 1352 1480 1680 800 803 809 831 -hsync +vsync (49.7 kHz e)
[ 109.001] (II) modeset(0): Modeline "1280x800"x59.9 71.00 1280 1328 1360 1440 800 803 809 823 +hsync -vsync (49.3 kHz e)
[ 109.001] (II) modeset(0): Modeline "1280x768"x59.9 79.50 1280 1344 1472 1664 768 771 778 798 -hsync +vsync (47.8 kHz e)
[ 109.001] (II) modeset(0): Modeline "1280x768"x60.0 68.25 1280 1328 1360 1440 768 771 778 790 +hsync -vsync (47.4 kHz e)
[ 109.001] (II) modeset(0): Modeline "1280x720"x60.0 74.25 1280 1390 1430 1650 720 725 730 750 +hsync +vsync (45.0 kHz e)
[ 109.001] (II) modeset(0): Modeline "1024x768"x60.0 65.00 1024 1048 1184 1344 768 771 777 806 -hsync -vsync (48.4 kHz e)
[ 109.001] (II) modeset(0): Modeline "800x600"x60.3 40.00 800 840 968 1056 600 601 605 628 +hsync +vsync (37.9 kHz e)
[ 109.001] (II) modeset(0): Modeline "800x600"x56.2 36.00 800 824 896 1024 600 601 603 625 +hsync +vsync (35.2 kHz e)
[ 109.001] (II) modeset(0): Modeline "848x480"x60.0 33.75 848 864 976 1088 480 486 494 517 +hsync +vsync (31.0 kHz e)
[ 109.001] (II) modeset(0): Modeline "640x480"x59.9 25.18 640 656 752 800 480 490 492 525 -hsync -vsync (31.5 kHz e)
[ 109.001] (II) modeset(0): Output Virtual-1 connected
[ 109.001] (II) modeset(0): Using exact sizes for initial modes
[ 109.001] (II) modeset(0): Output Virtual-1 using initial mode 1920x987 +0+0
[ 109.001] (==) modeset(0): Using gamma correction (1.0, 1.0, 1.0)
[ 109.001] (==) modeset(0): DPI set to (96, 96)
[ 109.001] (II) Loading sub module "fb"
[ 109.001] (II) LoadModule: "fb"
[ 109.001] (II) Loading /usr/lib/xorg/modules/libfb.so
[ 109.001] (II) Module fb: vendor="X.Org Foundation"
[ 109.001] compiled for 1.20.5, module version = 1.0.0
[ 109.001] ABI class: X.Org ANSI C Emulation, version 0.4
[ 109.001] (II) UnloadModule: "fbdev"
[ 109.001] (II) Unloading fbdev
[ 109.001] (II) UnloadSubModule: "fbdevhw"
[ 109.001] (II) Unloading fbdevhw
[ 109.001] (II) UnloadModule: "vesa"
[ 109.001] (II) Unloading vesa
[ 109.023] (==) modeset(0): Backing store enabled
[ 109.023] (==) modeset(0): Silken mouse disabled
[ 109.024] (II) modeset(0): Initializing kms color map for depth 24, 8 bpc.
[ 109.024] (==) modeset(0): DPMS enabled
[ 109.024] (II) modeset(0): [DRI2] Setup complete
[ 109.024] (II) modeset(0): [DRI2] DRI driver: virtio_gpu
[ 109.024] (II) modeset(0): [DRI2] VDPAU driver: virtio_gpu
[ 109.024] (II) Initializing extension Generic Event Extension
[ 109.024] (II) Initializing extension SHAPE
[ 109.024] (II) Initializing extension MIT-SHM
[ 109.024] (II) Initializing extension XInputExtension
[ 109.024] (II) Initializing extension XTEST
[ 109.024] (II) Initializing extension BIG-REQUESTS
[ 109.024] (II) Initializing extension SYNC
[ 109.024] (II) Initializing extension XKEYBOARD
[ 109.024] (II) Initializing extension XC-MISC
[ 109.024] (II) Initializing extension SECURITY
[ 109.024] (II) Initializing extension XFIXES
[ 109.025] (II) Initializing extension RENDER
[ 109.025] (II) Initializing extension RANDR
[ 109.025] (II) Initializing extension COMPOSITE
[ 109.025] (II) Initializing extension DAMAGE
[ 109.025] (II) Initializing extension MIT-SCREEN-SAVER
[ 109.025] (II) Initializing extension DOUBLE-BUFFER
[ 109.025] (II) Initializing extension RECORD
[ 109.025] (II) Initializing extension DPMS
[ 109.025] (II) Initializing extension Present
[ 109.025] (II) Initializing extension DRI3
[ 109.025] (II) Initializing extension X-Resource
[ 109.025] (II) Initializing extension XVideo
[ 109.025] (II) Initializing extension XVideo-MotionCompensation
[ 109.025] (II) Initializing extension GLX
[ 109.029] (II) AIGLX: Loaded and initialized virtio_gpu
[ 109.029] (II) GLX: Initialized DRI2 GL provider for screen 0
[ 109.029] (II) Initializing extension XFree86-VidModeExtension
[ 109.029] (II) Initializing extension XFree86-DGA
[ 109.029] (II) Initializing extension XFree86-DRI
[ 109.029] (II) Initializing extension DRI2
[ 109.030] (II) modeset(0): Damage tracking initialized
[ 109.030] (II) modeset(0): Setting screen physical size to 508 x 261
[ 109.060] (II) config/udev: Adding input device Power Button (/dev/input/event0)
[ 109.060] (**) Power Button: Applying InputClass "libinput keyboard catchall"
[ 109.060] (**) Power Button: Applying InputClass "system-keyboard"
[ 109.060] (**) Power Button: Applying InputClass "devname"
[ 109.060] (II) LoadModule: "libinput"
[ 109.060] (II) Loading /usr/lib/xorg/modules/input/libinput_drv.so
[ 109.062] (II) Module libinput: vendor="X.Org Foundation"
[ 109.062] compiled for 1.20.5, module version = 0.29.0
[ 109.062] Module class: X.Org XInput Driver
[ 109.062] ABI class: X.Org XInput driver, version 24.1
[ 109.062] (II) Using input driver 'libinput' for 'Power Button'
[ 109.062] (**) Power Button: always reports core events
[ 109.062] (**) Option "Device" "/dev/input/event0"
[ 109.062] (**) Option "_source" "server/udev"
[ 109.065] (II) event0 - Power Button: is tagged by udev as: Keyboard
[ 109.065] (II) event0 - Power Button: device is a keyboard
[ 109.065] (II) event0 - Power Button: device removed
[ 109.096] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXPWRBN:00/input/input0/event0"
[ 109.096] (II) XINPUT: Adding extended input device "Power Button" (type: KEYBOARD, id 6)
[ 109.096] (**) Option "xkb_model" "pc105"
[ 109.096] (**) Option "xkb_layout" "us"
[ 109.097] (II) event0 - Power Button: is tagged by udev as: Keyboard
[ 109.097] (II) event0 - Power Button: device is a keyboard
[ 109.098] (II) config/udev: Adding input device AT Translated Set 2 keyboard (/dev/input/event1)
[ 109.098] (**) AT Translated Set 2 keyboard: Applying InputClass "libinput keyboard catchall"
[ 109.098] (**) AT Translated Set 2 keyboard: Applying InputClass "system-keyboard"
[ 109.098] (**) AT Translated Set 2 keyboard: Applying InputClass "devname"
[ 109.098] (II) Using input driver 'libinput' for 'AT Translated Set 2 keyboard'
[ 109.098] (**) AT Translated Set 2 keyboard: always reports core events
[ 109.098] (**) Option "Device" "/dev/input/event1"
[ 109.098] (**) Option "_source" "server/udev"
[ 109.098] (II) event1 - AT Translated Set 2 keyboard: is tagged by udev as: Keyboard
[ 109.098] (II) event1 - AT Translated Set 2 keyboard: device is a keyboard
[ 109.099] (II) event1 - AT Translated Set 2 keyboard: device removed
[ 109.122] (**) Option "config_info" "udev:/sys/devices/platform/i8042/serio0/input/input1/event1"
[ 109.122] (II) XINPUT: Adding extended input device "AT Translated Set 2 keyboard" (type: KEYBOARD, id 7)
[ 109.122] (**) Option "xkb_model" "pc105"
[ 109.122] (**) Option "xkb_layout" "us"
[ 109.123] (II) event1 - AT Translated Set 2 keyboard: is tagged by udev as: Keyboard
[ 109.123] (II) event1 - AT Translated Set 2 keyboard: device is a keyboard
[ 109.124] (II) config/udev: Adding input device ImExPS/2 Generic Explorer Mouse (/dev/input/event3)
[ 109.124] (**) ImExPS/2 Generic Explorer Mouse: Applying InputClass "libinput pointer catchall"
[ 109.124] (**) ImExPS/2 Generic Explorer Mouse: Applying InputClass "devname"
[ 109.124] (II) Using input driver 'libinput' for 'ImExPS/2 Generic Explorer Mouse'
[ 109.124] (**) ImExPS/2 Generic Explorer Mouse: always reports core events
[ 109.124] (**) Option "Device" "/dev/input/event3"
[ 109.124] (**) Option "_source" "server/udev"
[ 109.125] (II) event3 - ImExPS/2 Generic Explorer Mouse: is tagged by udev as: Mouse
[ 109.125] (II) event3 - ImExPS/2 Generic Explorer Mouse: device is a pointer
[ 109.125] (II) event3 - ImExPS/2 Generic Explorer Mouse: device removed
[ 109.176] (**) Option "config_info" "udev:/sys/devices/platform/i8042/serio1/input/input4/event3"
[ 109.176] (II) XINPUT: Adding extended input device "ImExPS/2 Generic Explorer Mouse" (type: MOUSE, id 8)
[ 109.176] (**) Option "AccelerationScheme" "none"
[ 109.176] (**) ImExPS/2 Generic Explorer Mouse: (accel) selected scheme none/0
[ 109.176] (**) ImExPS/2 Generic Explorer Mouse: (accel) acceleration factor: 2.000
[ 109.176] (**) ImExPS/2 Generic Explorer Mouse: (accel) acceleration threshold: 4
[ 109.177] (II) event3 - ImExPS/2 Generic Explorer Mouse: is tagged by udev as: Mouse
[ 109.177] (II) event3 - ImExPS/2 Generic Explorer Mouse: device is a pointer
[ 109.177] (II) config/udev: Adding input device ImExPS/2 Generic Explorer Mouse (/dev/input/mouse0)
[ 109.177] (**) ImExPS/2 Generic Explorer Mouse: Applying InputClass "devname"
[ 109.177] (II) Using input driver 'libinput' for 'ImExPS/2 Generic Explorer Mouse'
[ 109.177] (**) ImExPS/2 Generic Explorer Mouse: always reports core events
[ 109.177] (**) Option "Device" "/dev/input/mouse0"
[ 109.177] (**) Option "_source" "server/udev"
[ 109.229] (II) mouse0 - failed to create input device '/dev/input/mouse0'.
[ 109.229] (EE) libinput: ImExPS/2 Generic Explorer Mouse: Failed to create a device for /dev/input/mouse0
[ 109.229] (EE) PreInit returned 2 for "ImExPS/2 Generic Explorer Mouse"
[ 109.229] (II) UnloadModule: "libinput"
[ 109.230] (II) config/udev: Adding input device PC Speaker (/dev/input/event2)
[ 109.230] (**) PC Speaker: Applying InputClass "devname"
[ 109.230] (II) Using input driver 'libinput' for 'PC Speaker'
[ 109.230] (**) PC Speaker: always reports core events
[ 109.230] (**) Option "Device" "/dev/input/event2"
[ 109.230] (**) Option "_source" "server/udev"
[ 109.230] (II) event2 - PC Speaker: not tagged as supported input device
[ 109.282] (II) event2 - not using input device '/dev/input/event2'.
[ 109.282] (EE) libinput: PC Speaker: Failed to create a device for /dev/input/event2
[ 109.282] (EE) PreInit returned 2 for "PC Speaker"
[ 109.282] (II) UnloadModule: "libinput"
[ 268.577] (II) event0 - Power Button: device removed
[ 268.603] (II) event1 - AT Translated Set 2 keyboard: device removed
[ 268.629] (II) event3 - ImExPS/2 Generic Explorer Mouse: device removed
[ 268.683] (II) AIGLX: Suspending AIGLX clients for VT switch