[mythtv-users] Can't start mythfrontend with TV off since moving to Intel graphics

Greg Davis lester1966 at gmail.com
Thu Oct 29 02:11:44 UTC 2020


> Message: 8
> Date: Tue, 27 Oct 2020 19:40:40 +0000
> From: Paul Gardiner <lists at glidos.net>
> To: Discussion about MythTV <mythtv-users at mythtv.org>
> Subject: [mythtv-users] Can't start mythfrontend with TV off since
>    moving to Intel graphics
> Message-ID: <358e96cf-9241-da0c-e5b6-9ea919022fbc at glidos.net>
> Content-Type: text/plain; charset=utf-8; format=flowed
> 
> I've recently moved from nvidia to Intel graphics for my frontend. With 
> nvidia, I could specify CustomEDID and ConnectedMonitor options in my 
> xorg.conf so that mythfrontend would start up before the TV was turned 
> on, but Intel graphics doesn't support the ConnectedMonitor option and I 
> so far can't find an alternative.
> 
> When mythfrontend starts it reports failure to find a screen and 
> attempts to set a mode with 0fps, although xrandr correctly reports the 
> modes specified via CustomEDID.
> 
> I've tried various alterations to no avail.
> 
> * Specifying custom edid and an enabled output via KMS, but that seemed 
> to have no effect.
> 
> * Setting the primary output with xrandr before starting mythfrontend
> 
> * Specifying monitor definitions in the x config with the Ignore option 
> set to True for all outputs other than HDMI1.
> 
> Nothing has worked, although the system has fooled me into thinking it 
> is working several times.
> 
> Hope someone has some more suggestions. Here are various logs:
> 
> 
> 
> mythfrontend.log: https://pastebin.pl/view/7f7e9805
> 
> 
> 
> Xorg.0.log: https://pastebin.pl/view/96d06f27
> 
> 
> 
> xorg.conf:
> 
> Section "Monitor"
>     Identifier     "Monitor0"
>     Option         "Enable" "True"
> EndSection
> 
> Section "Device"
>     Identifier     "Device0"
>     Driver         "intel"
>     VendorName     "Intel Corporation"
>     Option         "CustomEDID" "HDMI1:/etc/X11/edid.bin
>     Option         "monitor-HDMI1" "Monitor0"
> EndSection
> 
> 
> 
> xrandr output:
> 
> Screen 0: minimum 8 x 8, current 1024 x 768, maximum 32767 x 32767
> DP1 disconnected primary (normal left inverted right x axis y axis)
> HDMI1 disconnected (normal left inverted right x axis y axis)
>    1920x1080     50.00 +  60.00    24.00
>    1920x1080i    50.00    60.00
>    1280x1024     60.02
>    1280x720      50.00    60.00
>    1440x576i     50.00
>    1024x768      60.00
>    1440x480i     59.94
>    800x600       60.32
>    720x576       50.00
>    720x480       59.94
>    640x480       59.94
> HDMI2 disconnected (normal left inverted right x axis y axis)
> VIRTUAL1 disconnected (normal left inverted right x axis y axis)

Looks like there a “ missing from the end of your edid line in your xorg.conf
Option         "CustomEDID" "HDMI1:/etc/X11/edid.bin
Not sure if that’s the case in the actual file or not,
Lester


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