[mythtvnz] No Display

[Stephen Worthington]

On Tue, 15 Sep 2015 15:35:48 +1200, you wrote:

>On Tue, 15 Sep 2015 13:04:56 +1200, David Kirk <davidrkirk at gmail.com>  
>wrote:
>
>>
>>
>> On Tue, Sep 15, 2015 at 12:04 PM Paulgir <paulgir at gmail.com> wrote:
>>> On Tue, 15 Sep 2015 11:24:51 +1200, Nick Rout <nick.rout at gmail.com>  
>>> wrote:
>>>
>>>>
>>>>
>>>> On Tue, Sep 15, 2015 at 11:15 AM, Paulgir <paulgir at gmail.com> wrote:
>>>>> On Tue, 15 Sep 2015 10:39:40 +1200, David Kirk <davidrkirk at gmail.com>  
>>>>> wrote:
>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> I've upgraded my MythTV box.  It is a backend/frontend with an  
>>>>>> HVR2200 tuner card and nVidia GT220 graphics card.  I have an  
>>>>>> >>>>>HDMI connection from the GT220 to my Marantz home theatre  
>>>>>> system which in turn has an HDMI connection to my TV.
>>>>>>
>>>>>> It was running Mythbuntu 12.04.  I have done a fresh install of  
>>>>>> Mythbuntu 14.04.  I've restored the old database and mounted  
>>>>>> >>>>>the hard drives with my recordings.  Everything seems to be  
>>>>>> running fine with one exception.
>>>>>>
>>>>>> I turn off my TV and home theatre system when I'm not watching  
>>>>>> anything.  When I turn them back on, the MythTV frontend  
>>>>>> >>>>>doesn't display.  I never had this problem on the old version  
>>>>>> with the same hardware.
>>>>>>
>>>>>> I can press Ctl-Alt-F1 and I can see the login prompt, but when I go  
>>>>>> back to Ctl-Alt-F7 I still can't see anything.
>>>>>>
>>>>>> The only way I can get the display back is to either reboot or press  
>>>>>> Ctl-Alt-Backspace to kill the X server.
>>>>>>
>>>>>> Does anyone have any ideas on how to fix it so when I power on my  
>>>>>> home theatre system the frontend is displayed?
>>>>>>
>>>>>>
>>>>>> Thanks
>>>>>>
>>>>>> David
>>>>>
>>>>> I can't help with a solution but I might help with a clue.I'm using a  
>>>>> GT220 too and if I start Mythtv before the tv is on, I >>>>also get a  
>>>>> black screen that requires a reboot to correct.I believe it is  
>>>>> something to do with the GT220 not getting the  EIDI >>>>info from  
>>>>> the TV during boot up.
>>>>>
>>>>> Paul
>>>>
>>>>
>>>> For google assistance that should be EDID.
>>>>
>>>> David, you can download the EDID from your TV and hard code it to an  
>>>> xorg.conf file.
>>>> This problem has been dealt with a million times in the Kodi (XBMC)  
>>>> forums, but they are hard to search. If I find a definitive >>>answer  
>>>> I'll let you know.
>>>
>>> LOL  -I googled the term and copied an erroneous post
>>>
>>> -Paul
>>>>
>>>
>> Thanks guys.  Your clues led me to this page.   
>> http://kodi.wiki/view/Creating_and_using_edid.bin_via_xorg.conf
>>
>> I'll give it a go tonight and let you know how I get on.
>>
>>
>> David
>I might give this a go ,too
>cheers
>Paul

I have a recollection of there being another solution, something about
killing a task and preventing it from starting so that event of the
HDMI going away was not monitored.  That was on the mythtv-users
mailing list.  Sorry I have only a vague recollection of this, as I am
not affected by the problem and did not follow the thread.