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HDMI unstable
22nd Sep, 2015, 07:38 PM
Post: #1
HDMI unstable
Software
XBian version: cannot reproduce
XBMC/Kodi version:

Hardware
RPi 2, 2A power supply
64GB, class 10
ethernet
2x usb key 32GB

My config.txt:
Code:
#initramfs initramfs.gz  0x1000000
hdmi_safe=1
gpu_mem_1024=256
hdmi_ignore_edid=0xa5000080
hdmi_ignore_cec_init=1
hdmi_force_hotplug=1
#hdmi_force=1
hdmi_drive=2
hdmi_group=1
hdmi_mode=16
config_hdmi_boost=5

overscan_left=-8
overscan_right=-8
overscan_top=-24
overscan_bottom=-24

disable_splash=1
dtoverlay=lirc-rpi:gpio_in_pin=18

The picture on HDMI disappears after each key press. If I set boost to 11, than the signal is lost just when starting viewing movie. (after a while picture appears though). I have tried options like force_hotplug, but then it turned the TV on even If I was using just ssh.
I have had my config.txt on rasbpian and other distros, there it worked perfectly. Also, when booting, the picture is perfect. The problem starts I guess when xbian starts to set signal on its own. So the simpliest solution would be just turn off all this auto rubbish. I can see in dmesg that it scans through all resolutions.
dmesg: http://pastebin.com/thjDG751

EDIT: If I turn on the TV after booting Raspberry, the picture disappears after each key press. If I firstly turn on the TV, then everything seems OK, except when I start playing film, the signal is searched again by the TV but it happens almost immediately.
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9th Apr, 2016, 03:56 AM
Post: #2
RE: HDMI unstable
I would upgrade and reset the config.txt to the default vales.

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