[mythtv-users] Linux 3.11 kernel kills video playback for ATI

[Nick Rout]

On Mon, Sep 16, 2013 at 6:25 AM, Douglas Peale <Douglas_Peale at comcast.net>wrote:

> Due to an unrelated bug in the ATI video drivers (display port connections
> are not detected) I was asked to install the latest
> kernel from Linus' tree.
> (see this bug: https://bugzilla.kernel.org/show_bug.cgi?id=60639 and this
> bug:
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1035556 )
> I followed these instructions:
> https://wiki.ubuntu.com/KernelTeam/GitKernelBuild
>
> As a result, I have been running the 3.11 kernel (I have not figured out
> how to remove this kernel).
>
> I have found that with this kernel, using either .26 or .27 mythTV, the
> video is unwatchable with many dropped frames &
> stuttering audio, on any mythTV settings.
> If I catch the grub screen in time & select the 3.8.0-30-generic kernel,
> video is smooth.
>


You can fiddle with grub and make that the default. I used to like the old
grub, with the new one I have to google how to change it every time, so
won't post a howto.

What I really wanted to say is that ATi/AMD graphics drivers seem to
currently be a train wreck. I have read a lot about it on XBMC forums, and
it is enough to confirm my view to stick to nvidia, or intel, or anything
but AMD.


>
>
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