<html><head></head><body><div class="yahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px;"><div dir="ltr" data-setdir="false">Hello Busybox.net,</div><div dir="ltr" data-setdir="false">I'm attempting the development of a custom Linux distribution for the Asus Tinkerboard,</div><div dir="ltr" data-setdir="false">using Buildroot 2020.02.2.</div><div dir="ltr" data-setdir="false">I successfully obtained a booting OS image, which does communicate via serial and SSH,</div><div dir="ltr" data-setdir="false">but doesn't output ANYTHING on the HDMI video output.</div><div dir="ltr" data-setdir="false">I added all the packages I know of, including X11 stack and OpenGLES libs, but I'm not sure</div><div dir="ltr" data-setdir="false">about which video driver to use. I tried with xf86-video-fbdev and xf86-video-vesa, but without</div><div dir="ltr" data-setdir="false">success.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">The net result is that when I try to load the Xserver through startx, I get the following result:</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false"><div>/home# startx<br>xauth: file //.serverauth.255 does not exist<br>xauth: file //.Xauthority does not exist<br><br><br>X.Org X Server 1.20.8<br>X Protocol Version 11, Revision 0<br>Build Operating System: Linux 5.4.0-31-generic x86_64<br>Current Operating System: Linux Tinker 5.0.0 #1 SMP Thu May 28 16:06:04 CEST 2020 armv7l<br>Kernel command line: console=ttyS2,115200n8 root=/dev/mmcblk0p1 rootwait<br>Build Date: 28 May 2020 03:26:17PM<br><br>Current version of pixman: 0.38.4<br> Before reporting problems, check http://wiki.x.org<br> to make sure that you have the latest version.<br>Markers: (--) probed, (**) from config file, (==) default setting,<br> (++) from command line, (!!) notice, (II) informational,<br> (WW) warning, (EE) error, (NI) not implemented, (??) unknown.<br>(==) Log file: "/var/log/Xorg.0.log", Time: Thu Jan 1 01:10:01 1970<br>(==) Using default built-in configuration (21 lines)<br>(EE)<br>Fatal server error:<br>(EE) no screens found(EE)<br>(EE)<br>Please consult the The X.Org Foundation support<br> at http://wiki.x.org<br> for help.<br>(EE) Please also check the log file at "/var/log/Xorg.0.log" for additional information.<br>(EE)<br>(EE) Server terminated with error (1). Closing log file.<br><br><div><br></div><div dir="ltr" data-setdir="false">/var/log/Xorg.0.log basically says that there's no /dev/fb pseudo file, which is true, so I think</div><div dir="ltr" data-setdir="false">I'm using the wrong video driver.</div><div dir="ltr" data-setdir="false">Any hint about how could I address this issue?</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Thanks & best regards,</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Francesco LANDE<br></div></div></div></div></body></html>