[mythtv] alternate EPG not redrawing

[Jeremy Oddo]

> 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.
>
Let us know what you find.  I too am using a large font.  I found that,
from my couch, I couldn't read a thing with the default font size.  I even
had to  go to a gid of 3x3 (3 channels by 3 30min blocks).


> -----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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