Johannes, Thank you very much for your response. It will be a couple of days before I have another chance to play around. I will post back what I find. Thanks again, Allan On Sun, 2005-05-08 at 15:33 +0200, Johannes Stezenbach wrote: > On Sat, May 07, 2005 at 06:31:19PM +0100, Allan Guild wrote: > > I'm having problems getting an old TT (L64781 frontend) based Nova-T > > working with the current DVB drivers and a 2.6.11 kernel. > > > > The video and audio hangs for a few seconds once or twice a minute and > > the debug messages in /var/log/syslog report "TS continuity errors". > > > > This card works perfectly with the DVB drivers in a Mandrake 9.2 stock > > kernel (2.4.22). > > I have no idea what Mandrake has in their 2.4 kernels. Do you > have more information? > > > I am getting the same problems described above using a snapshot from > > before the frontend refactoring (here I used the same grundig frontend > > as with 2.4.22 kernel) and a 2.6.8 kernel. > > > > I also have a connexant based Nova-T that is working fine under both my > > 2.6.x setups (I believe that this card requires a 2.6 kernel). > > > > >From browsing the archives, I noticed that similar problems with a > > tda10021 frontend were fixed with a register change. I'm under the > > impression that this fix is not relevant for my setup, but please > > correct me if I'm wrong. > > > > I'm more than willing to try different things to try and get this > > working, but I don't really know where to start. > > You could compare the old and new drivers for differences > in register settings (both initial and what set_frontend() > and grundig_29504_401_pll_set() in budget.c does) and timing. > > A good start might be to load the driver (dvb-core) with > frontend_debug=1 and see what it does. Then maybe look at > l64781_get_tune_settings() and play with the values. I would > try to set step_size and max_drift to 0 to disable zig-zag > (not that usefule IMHO for dvb-t) and maybe increase min_delay_ms. > http://www.linuxtv.org/mailinglists/linux-dvb/2004/03-2004/msg00288.html > > Please report your results. > > HTH, > Johannes > > _______________________________________________ > > linux-dvb@xxxxxxxxxxx > http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb