[mythtv] alternate EPG not redrawing

[DanM]

I've noticed this issue with 3 chans showing in the alt epg.  I thought 
I was smoking something at first. . .

Kevin Bowen wrote:

>Hrrrmmm... I'm using 4 and seeing the problem. Suppose I'll try 5 and see if I get the reverse effect. I'm getting the feeling though that this is happening WAY more frequently to me than other people. For me its roughly 50% of all keypresses that don't register on the grid. 
>
>One thing I thought of that might be related is that I am using an unusually large font size (viewing from a 19" monitor). I'll trying experimenting with font sizes and grid rows and see if I can figure out anything useful.
>
>-----Original Message-----
>From: Robert Chastain [mailto:kelsey at blackcat.homeip.net]
>Sent: Friday, March 21, 2003 4:22 PM
>To: Development of mythtv
>Subject: Re: [mythtv] alternate EPG not redrawing
>
>
>I've seen this as well (ATI Radeon 7000). I noticed it sometime after
>February 4 CVS. I noticed that changing the number of channels to display in
>the EPG resolved the problem for me. I went from 5 channels to 4 channels
>and it updates the screen correctly.
>
>----- Original Message -----
>From: "Chris Palmer" <mythtv at zencow.com>
>To: "Development of mythtv" <mythtv-dev at snowman.net>
>Sent: Friday, March 21, 2003 7:11 PM
>Subject: Re: [mythtv] alternate EPG not redrawing
>
>
>  
>
>>Cliff Draper wrote
>>    
>>
>>>From: "Kevin Bowen" <kevin at ucsd.edu>
>>>Date: Wed, 19 Mar 2003 17:22:36 -0800
>>>      
>>>
>>>>Hmmm, I'm using a radeon 7500, so it doesn't sound like a driver
>>>> issue to me
>>>>        
>>>>
>>>Agreed.  It's probably not the video driver.
>>>      
>>>
>>I see it too.  I haven't had a chance to verify this subjective
>>observation, but I think it happens more often when the system
>>is busier.
>>
>>I did just test on my local frontend and I can't repeat the problem.
>>On the remote frontend (my desktop machine with no tuner), I see the
>>problem somewhat often, maybe 10% of the keyhits only update the top
>>part of the display, but not the grid.
>>
>>If I'm watching LiveTV and go to the EPG, instead of going to the EPG
>>from the main menu, I see it more frequently (which I why I think it
>>happens more often when the machine is busier).
>>
>>Ok, I decided to look at it some more, and here's something interesting:
>>After I had cycled through all the channels with up/down, I did NOT
>>see the problem again.  I COULD not reproduce the behaviour after I'd
>>been thru all the channels (I just held down the DOWN arrow until I saw
>>the grid make it all the way thru the list a couple times).
>>
>>So...  without looking at code for the EPG, I have no idea, but my gut
>>says it might have something to do with allocating space to hold data
>>for each channel.  If I restart the frontend, I can then repeat the
>>behaviour of the grid not updating, but not until (I even scrolled a
>>couple days into the future to see if it might be a generic caching
>>issue, but it still didn't occur after it got into the "ok" state).
>>
>>    
>>
>>>> (well, of course, both drivers could be flawed in the
>>>> same way). Cliff, Michael, (or anyone else who is also seeing this
>>>> problem), what video card are you using?
>>>>        
>>>>
>>>GeForce4 MX 440 in Debian 3.0 (XFree86 Version 4.1.0.1) with nvidia
>>>drivers version 1.0.4191.
>>>      
>>>
>>Mine is a GeForce4 Ti4600, Debian, 2.4.19 kernel, XFree v 4.2.1,
>>and nvidia driver 3123 (from debian packages).
>>
>>    
>>
>>>>And does anyone know if
>>>> this problem is new, or has it existed for as long as the alternate
>>>> EPG has? I only fairly recently upgraded from .7, so I haven't been
>>>> with the alt EPG since its inception.
>>>>        
>>>>
>>>Don't know.  I just upgraded from .7 last night.  I didn't see any
>>>problems like that in .7.
>>>      
>>>
>>I only got 0.7 running long enough to know things "worked" before
>>I started using the CVS version with 0.8 on March 7th.  I think I
>>saw this with the EPG from my first day of using it, and at that
>>time, I was running the frontend and backend on a single machine.
>>
>>-Chris
>>_______________________________________________
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>>mythtv-dev at snowman.net
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>>    
>>
>
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