[mythtv-users] Problems with HVR 1300 and DVB-T on recent kernels

[Fabian Renn]

Hi,
i'm also having the same problem on a Hauppage 1300. Strange thing is that tzap, mplayer etc. all work fine. So it's really mythtv that is causing the problem. I have tried all sort of high time waits.

Thanks!

hogliux 
 
> Hi,
> 
> I recently upgraded my amd64 Debian MythTV box  with a Haupauge HVR1300
> from Debian kernel 2.6.26 to 2.6.30 and could not get a channel lock for
> my DVB-T tv channels any more (btw, I am using current Debian packages
> from debian-multimedia).
> 
> I then did some quick testing with vanilla linux kernels starting with
> 2.6.27
> with the following results:
> 2.6.27: seems to work fine
> 2.6.28: channel lock could not be acquired reliably; sometimes switching
> channels worked fine, most of the time it failed
> 2.6.29: could not get any channel locks
> 2.6.30: the same, no channel lock
> 2.6.31-rc7: the same, no channel locks
> 
> At first I suspected the driver to have a problem but other applications
> such as 'scan' still can see all channels with 2.6.31-rc7 (I also tried
> kaffeine which found most of the channels but not all).
> 
> I tried various settings for the channel scan time out with no luck. I
> also tried importing the channels.conf I generated with scan (and whose
> output is the same for both 2.6.26 and 2.6.31-rc7) but in that case
> mythtv-setup crashed on me most of the time.
> 
> Any idea what could go wrong after the update? I am only using the DVB-T
> input of the card, no analogue capturing. Removing the cx88_blackbird
> module did not change anything.
> 
> Thanks and best wishes,
> 
> Martin.