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Thread: help needed for Mythtv and 3450

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  1. #1
    Join Date
    Jun 2008

    Default help needed for Mythtv and 3xxx

    I've got a 3450 and use it mostly for watching TV.
    I can't use the radeonhd drivers because they don't support Xv, which means the picture doesn't display properly on mythtv.

    This means I'm stuck with fglrx.

    I currently use 8.5, which more or less works with Myth, but it has a few serious issues.
    1) Switching channels in LiveTV doesn't work properly if I switch between channels that use different video types (i.e. BBC1 to ITV1) - I get a garbled display and have to exit TV and then go back in to see the picture properly. But at least it doesn't crash!
    2) I can't run more than one X session (so no XP-style "switch user" functionality). Any attempts crash my PC hard.
    3) I can't restart X (PC crashes), but I can logout a user and then login again (wahay! very useful...)
    4) I can only watch certain video formats, as some crash my PC. And I can't use xine, because it crashes my PC, so I have to use totem instead. vlc just crashes if I try to use it.
    Bit of a theme here.

    For the record, I used to have a 5 year old Matrox card which worked fine with all of the above in the same PC and the same OS (debian testing) but I gave it away and "upgraded" to the 3450 because I thought I'd be able to use it for HD video. How I wish I hadn't bothered...

    I've just tried 8.9 but it doesn't work with Myth at all - I just get a corrupt display, which persists for a few seconds when I exit Myth before suddenly sorting itself out. i.e. I can see a corrupt view of the desktop which is messed up in the same way as Myth is, and then suddenly everything looks good again.
    I haven't checked whether the other problems I have are fixed by 8.9 - frankly it's irrelevant if I can't watch TV.

    So does anyone have any suggestions? Anyone with a 3450 who isn't having the problems I'm having? It'd be nice if it turned out to just be a config problem, but I'm not holding out much hope.

    I'm strongly tempted to just throw it in the bin and get an Nvidia instead, but I'd rather see it actually working.
    Points 1-4 above are the only things I care about - 3D acceleration would be nice, but if it doesn't work, it really doesn't matter to me.
    Last edited by duffster; 10-16-2008 at 02:24 PM.

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