Hi,
I've got a BBB running Ubuntu 13.04 on the eMMC connected to an HDMI
monitor where I want to display a webpage hosted on the BBB. I'm do this by
starting an X Server and then launching a broswer:
>xinit &
>DISPLAY=:0 chromium-browser
The page is displayed, but anything that should be blue is red, and
everything red is blue. Green stays the same. If I use a terminal on the
HDMI display by plugging a keyboard into the BBB the colours appear as they
should, but I can't get anything in X to look right.
I've tried Ubuntu 13.10 on another BBB and it had the same problem. I also
tried the default Angstrom image and the desktop looked normal on that.
I've tried all the supported resolutions for this monitor that I got from
"xrandr -q" and they all had the same issues. I also tried another model
monitor with the same issue. I tried Firefox as well and had the same issue.
parse-edid output:
Section "Monitor"
# Block type: 2:0 3:fd
# Block type: 2:0 3:fc
Identifier "HP 23tm"
VendorName "HWP"
ModelName "HP 23tm"
# Block type: 2:0 3:fd
HorizSync 24-94
VertRefresh 50-76
# Max dot clock (video bandwidth) 170 MHz
# Block type: 2:0 3:fc
# Block type: 2:0 3:ff
# DPMS capabilities: Active off:yes Suspend:yes Standby:yes
Mode "1920x1080" # vfreq 60.000Hz, hfreq 67.500kHz
DotClock 148.500000
HTimings 1920 2008 2052 2200
VTimings 1080 1084 1089 1125
Flags "+HSync" "+VSync"
EndMode
# Block type: 2:0 3:fd
# Block type: 2:0 3:fc
# Block type: 2:0 3:ff
EndSection
fbset output:
mode "1280x720"
geometry 1280 720 1280 720 16
timings 0 0 0 0 0 0 0
accel true
rgba 5/11,6/5,5/0,0/0
endmode
Seems this has happened to
others:https://groups.google.com/forum/?fromgroups=#!searchin/beagleboard/bbb$20colors/beagleboard/l3VogAknB5Q/PBCHhZHzLeoJ
Any ideas on how to fix this, or suggestions on how to display a webpage on
the HDMI without using X Windows?
Thanks,
Sean
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