I have problems with a dual usb tuner. I limit the bandwith using pid filters and the problem was gone. Jose alberto On Lunes, 15 de Agosto de 2011 15:34:20 Josu Lazkano escribió: > Hello, I have a problem with the KWorld USB Dual DVB-T TV Stick (DVB-T > 399U): > http://www.linuxtv.org/wiki/index.php/KWorld_USB_Dual_DVB-T_TV_Stick_(DVB- > T_399U) > > I am using it on MythTV with Debian Squeeze (2.6.32). It is a dual > device, sometimes the second adapter works great, but sometimes has a > pixeled images. The first adapter always has pixeled images, I don't > know how to describe the pixeled images, so here is a mobile record: > http://dl.dropbox.com/u/1541853/kworld.3gp > > I have this firmware: > http://palosaari.fi/linux/v4l-dvb/firmware/af9015/5.1.0.0/dvb-usb-af9015.fw > > I read on the linuxtv wiki and there are some problems with dual mode, > there is some links for how to patch the similar driver (Afatech/ITE > IT9135), but I am not good enough to understand the code. > > I check the kernel messages: > > Aug 15 13:53:58 htpc kernel: [ 516.285369] af9013: I2C read failed > reg:d2e6 Aug 15 13:54:29 htpc kernel: [ 547.407504] af9013: I2C read > failed reg:d330 Aug 15 13:54:44 htpc kernel: [ 561.902710] af9013: I2C > read failed reg:d2e6 > > It looks I2C problem, but I don't know how to debug it deeper. > > I don't know if this is important, but I compile the s2-liplianin for > other devices this way: > > apt-get install linux-headers-`uname -r` build-essential > mkdir /usr/local/src/dvb > cd /usr/local/src/dvb > wget http://mercurial.intuxication.org/hg/s2-liplianin/archive/tip.zip > unzip s2-liplianin-0b7d3cc65161.zip > cd s2-liplianin-0b7d3cc65161 > make CONFIG_DVB_FIREDTV:=n > make install > > Can you help with this? This hardware is a very cheap and works well > for HD channels but, I don't know why sometimes has pixeled images. > > Thanks for your help, best regards. -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html