On Thursday, December 17, 2015 at 1:45:00 PM UTC, Richard Markham wrote:
>
> Hi All,
>
> I have just moved from Angstrom to Debian.
>
> I have a terrible quality picture on my HDMI monitor which used to be
> perfect under Angstrom.
>
> xrandr is giving me an error saying that it cannot get gamma and it's set
> to 0:0:0. I assume this is a clue as to why the display image appears to be
> a stretched resolution, it's almost unreadable.
>
> xrandr: Failed to get size of gamma for output default
>
> Info from xrandr is:
>
> debian@beaglebone:~$ xrandr --verbose
> xrandr: Failed to get size of gamma for output default
> Screen 0: minimum 1920 x 1080, current 1920 x 1080, maximum 1920 x 1080
> default connected 1920x1080+0+0 (0x102) normal (normal) 0mm x 0mm
> Identifier: 0x101
> Timestamp: 1938778
> Subpixel: unknown
> Clones:
> CRTC: 0
> CRTCs: 0
> Transform: 1.000000 0.000000 0.000000
> 0.000000 1.000000 0.000000
> 0.000000 0.000000 1.000000
> filter:
> 1920x1080 (0x102) 0.0MHz *current
> h: width 1920 start 0 end 0 total 1920 skew 0 clock
> 0.0KHz
> v: height 1080 start 0 end 0 total 1080 clock
> 0.0Hz
>
>
>
>
>
>
Any ideas?
>
>
> The other issue I have, is that lxpanel doesn't seem to start, so I have
> to run it from a terminal window to get the bottom panel up???
>
> I presume this is a simple config file issue somewhere?
>
> Anyone else had these issues getting Debian to run on BBB?
>
> This is what's installed:
> Linux beaglebone 3.8.13-bone79 #1 SMP Tue Oct 13 20:44:55 UTC 2015 armv7l
> GNU/Linux
>
>
My EDID says:
parse-edid: parse-edid version 2.0.0
parse-edid: EDID checksum passed.
# EDID version 1 revision 3
Section "Monitor"
# Block type: 2:0 3:fd
# Block type: 2:0 3:fc
Identifier "D2342P"
VendorName "GSM"
ModelName "D2342P"
# Block type: 2:0 3:fd
HorizSync 30-83
VertRefresh 56-61
# Max dot clock (video bandwidth) 150 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
--
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