On Tuesday 04 July 2006 19:21, Oliver Endriss wrote: > Andrew de Quincey wrote: > > On Tuesday 04 July 2006 07:46, Oliver Endriss wrote: > > > Andrew de Quincey wrote: > > > > Also, I've noticed that the only card I can reliably reproduce this > > > > on is an old l64781 based budget card. > > > > > > > > It does happen occasionally on my new tda10046 based budget-ci card, > > > > but only very infrequently. > > Does the driver report different revisions of the saa7146 chip for > both cards? Yup. both are revision 1. > > > I'm not very happy with this hack. I would rather fix the real cause of > > > the problem than applying some magic. :-( > > > > > > Could you please try if enabling master reset during boot would fix the > > > problem for you? See saa7146_core.c, line 353. > > > > Nope, this does not fix the problem. I even added a printk to be 100% > > sure it was using the correct driver > > > > I did spend quite a long time going through the saa7146 documentation and > > trying things before opting on this patch - I don't like it much either, > > but it was the only thing that worked 100% reliably for me. I'm happy to > > try stuff again to double check though... > > You might try the following: > Copy the code of stop_ts_capture and start_ts_capture into your > budget_fix_feed routine, replacing the calls to stop_ts_capture and > start_ts_capture. > > Then disable lines of the copied code until you can identify the lines > which are essential to fix the problem. > > That should give us a hint what is going on here. Sure, I reduced it to: saa7146_write(budget->dev, MC1, MASK_20); // DMA3 off saa7146_write(budget->dev, MC1, (MASK_04 | MASK_20)); /* DMA3 on */ > > BTW, one of the things I checked was the various saa7146 error report > > registers; nothing was ever reported when this problem occurs. > > Anything unusual in the interrupt status and interrupt enable registers? > I know, debugging the saa7146 is a pain... Nope - it all looked fine. _______________________________________________ linux-dvb@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
