[mythtv-users] Broken playback with kernel 2.6.18

[Andrew Lyon]

> On Wed, Sep 20, 2006 at 20:38:50 +0200, Tino Keitel wrote:
> > On Wed, Sep 20, 2006 at 20:27:36 +0200, Tino Keitel wrote:
> > > On Wed, Sep 20, 2006 at 20:07:32 +0200, Tino Keitel wrote:
> > > > Hi folks,
> > > >
> > > > after the upgrade to kernel 2.6.18, playback in MythTV is broken. The
> > > > video is way to fast, so it pauses regulary, and the audio plays a few
> > > > seconds, and then also pauses for a moment. Everything is fine with
> > > > 2.6.17.
> > > >
> > > > This is 0.20-fixes (SVN 11174). However, mplayer, xine and kaffeine can
> > > > play the same recording from MythTV without problems with 2.6.18.
> > > >
> > > > The hardware is a Mac Mini Core Duo (Intel HDA sound, Intel GMA 950
> > > > graphics). Xorg is version 7.0.
> > > >
> > > > Is anybody else experiencing this?
> > >
> > > Here is a log snipset of mythfrontend.
> >
> > I just noticed that playback works if I disable the OpenGL vsync in the
> > playback settings.
>
> This isn't true. Playback was just messed up again. I rebooted 2.6.17
> and it works now. Is anybody else experiencing problems with playback
> and kernel 2.6.18?
>
> Regards,
> Tino

I was, I traced it to bad disk performance from my two raptor hard
drives connected to jmicron controller, a hard reset cured that, I
think becuase NCQ was not previously supported and I had upgraded the
kernel remotely and only done a soft reboot the raptor drives were not
fully reset.

Very strange...

Andy