On Thu, Mar 22, 2007 at 11:29:03AM +0100, Hans Verkuil wrote: > On Thursday 22 March 2007 10:10, Leo Weppelman wrote: > > On Wed, Mar 21, 2007 at 09:58:06PM +0100, Hans Verkuil wrote: > > > On Wednesday 21 March 2007 20:49, David A. De Graaf wrote: > > > > Does anyone else experience such a clock slowdown? > > > > > > > > Is there a fix? > > > > > > I strongly suspect what is wrong. A patch for this is in progress > > > and I'll post a messages for people to test it when it is ready. > > > Probably this weekend, in fact. > > > > > > I think that turning off any VBI support in MythTV might be > > > sufficient to workaround the problem. > > > > Mmmm, would this problem also explain why lirc no longer works when I > > try to watch tv in myth? I see that lircd receives data from the > > serialport, but it does not recognize this as keypresses on my > > remote. > > It started after my update to ivtv-0.10-1 last weekend.... > > > > Leo. > > Yes, this could well be the case. Also try disabling VBI support and see > if that makes a difference. I suspect the reason for the problems is > that the VBI support does PIO accesses inside the interrupt routine, > and this means the interrupt takes too long. I have a patch moving the > PIO accesses outside the interrupt routine in order to reduce the time > spent in there. It needs a bit more work, though, before I can make it > available for testing.
Turning off VBI made the remote control work again. Leo.
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