[mythtv-users] Re: PVR-250: Vertical green bands in recording

[Andy Grundman]

Jason Miller wrote:
> On 14/01/04 18:03 -0500, IvanK. wrote:
> 
>>On Wednesday 14 January 2004 05:47 pm, Andy Grundman wrote:
>>
>>>Douglas Beck wrote:
>>>
>>>>Hey, Andy.  I have this problem when my card switches to 720x480
>>>>spontaneously from 640x480.  I just make sure I'm not watching live tv
>>>>or recording anything and issue this command:
>>>>
>>>># /usr/lib/ivtv/test_ioctl -f width=640,height=480
>>>>
>>>>If you're running PAL you're going to have a different vertical res.
>>>>
>>>>Doug
>>>
>>>Interesting.  I switched to 640x480 and the problem persisted.  It was
>>>still there when I switched back to 720x480 too. :(  I am going to try
>>>disconnecting the cable and rebooting.  I had the cable guy over
>>>yesterday to install a new PVR box and he had to disconnect the cable
>>>outside for a few seconds.  I think the problem might have started after
>>>that... maybe it confused the card somewhat.  I have loaded and unloaded
>>>the module several times since then though, so it's a longshot.
>>
>>
>>Unlikely, that is disconnecting the cable outside the house caused the green 
>>vertical lines.  I believe it's a known bug in ivtv, cause many people have 
>>experienced it.  What is surprising is that different people report 
>>differently colored bars -- mine are redish to pinkish (though I can't 
>>remember when was the last time I had them).  I remember someone else 
>>reporting whitish patterns.  Might be that whatever color the picture is, 
>>that color will be the vertical lines as well.  Just a conjecture on my part, 
>>though.
>>
>>I'd suggest you get and compile the newest, released only last night, 
>>ivtv-0.1.9 and try that.
>>
>>IvanK.
> 
> 
> I'm not sure this is the same issue but there is one banding problem that is
> solved by chaning inputs.  Ie: 
> 
>   'test_ioctl -p <incorrect tuner>; sleep 5; test_ioctl -p <your correct tuner>'
> 
> I believe there are still a lot of us with that in our crontab :)

That's a good idea... it might have worked without having to disconnect 
the cable.  I will try it if it happens again.