Graham, I think I have! As I mentioned originally, I do have a line like this in my modules.conf, but there is nothing mentioned about this flag being set in dmesg on boot up. Thanks, Matt Graham Tavener writes: > Matt, have you enabled the amplifier? > Add the following line to the end of /etc/modprobe.conf > > options dvb-usb-dib0700 force_lna_activation=1 > > It forces the Low Noise Amplifier on and this made the difference between > <40% to 70% signal for me. > > I'm using Fedora Core 6 2.6.20-rc5 on a AM2 dual core 3800 and it has been > pretty reliable, but I've had a couple of complete hangs which seem to be > dvb driver related. > > Graham > > ----- Original Message ----- > From: <matt.nottingham@xxxxxxxxx> > To: <linux-dvb@xxxxxxxxxxx> > Sent: Sunday, January 28, 2007 6:10 PM > Subject: Problem getting channel list with nova-t-500 > > > > > > > > > > Hi, > > > > I have a Debian (unstable) AMD64 (with 4gig RAM) and a nova-t-500 > > card. I'm currently running linux 2.6.20-rc6. If I try 'scan' I get > > the following: > > > > # scan -vvv /usr/share/doc/dvb-utils/examples/scan/dvb-t/uk-SandyHeath > > scanning /usr/share/doc/dvb-utils/examples/scan/dvb-t/uk-SandyHeath > > using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0' > > initial transponder 641833334 0 2 9 3 0 0 0 > > >>> tune to: > > 641833334:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_AUTO:QAM_64:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE > > >>> tuning status == 0x1a > > WARNING: filter timeout pid 0x0011 > > WARNING: filter timeout pid 0x0000 > > WARNING: filter timeout pid 0x0010 > > dumping lists (0 services) > > Done. > > > > If I use kaffeine (using Sandyheath as the default location) I see: > > > > Using DVB device 0:0 "DiBcom 3000MC/P" > > tuning DVB-T to 641833000 Hz > > inv:2 bw:0 fecH:2 fecL:9 mod:3 tm:0 gi:0 hier:0 > > . LOCKED. > > Transponders: 1/1 > > > > Invalid section length or timeout: pid=17 > > > > > > Invalid section length or timeout: pid=0 > > > > Frontend closed > > > > So it certainly seems to find the signal (as it locks) but then gets a > > bit grumpy! > > > > I've tried 2.6.19.2, setting mem=3G (having 4gig of ram has upset > > certain cards (ethernet, USB,....) in the past), using the latest > > drivers from the SCM system, having > > 'options dvb-usb-dib0700 force_lna_activation=1' > > in my /etc/modules.conf - but all give the above results. > > > > I don't have a TV with me nor do I have MS-Windows to try the card out > > there - so is it just a signal (ie. lack there-of!) problem? Hopefully > > next weekend I'll have my USRP (http://gnuradio.org/trac/wiki) with me > > and be able to see what strength signals I do have. > > > > Any thoughts or hints or suggestions would be welcome! > > > > Thanks > > > > Matt Nottingham > > > > Just for completeness, if I do 'dmesg | grep -i dvb' I get: > > > > > > dvb_usb_dib0700 2-1:1.0: usb_probe_interface > > dvb_usb_dib0700 2-1:1.0: usb_probe_interface - got id > > dvb-usb: found a 'Hauppauge Nova-T 500 Dual DVB-T' in cold state, will try > > to load a firmware > > dvb-usb: downloading firmware from file 'dvb-usb-dib0700-01.fw' > > dvb-usb: found a 'Hauppauge Nova-T 500 Dual DVB-T' in warm state. > > **WARNING** I2C adapter driver [Hauppauge Nova-T 500 Dual DVB-T] forgot to > > specify physical device; fix it! > > dvb-usb: will pass the complete MPEG2 transport stream to the software > > demuxer. > > DVB: registering new adapter (Hauppauge Nova-T 500 Dual DVB-T). > > DVB: registering frontend 0 (DiBcom 3000MC/P)... > > dvb-usb: will pass the complete MPEG2 transport stream to the software > > demuxer. > > DVB: registering new adapter (Hauppauge Nova-T 500 Dual DVB-T). > > DVB: registering frontend 1 (DiBcom 3000MC/P)... > > dvb-usb: Hauppauge Nova-T 500 Dual DVB-T successfully initialized and > > connected. > > usbcore: registered new interface driver dvb_usb_dib0700 > > > > _______________________________________________ > > linux-dvb mailing list > > linux-dvb@xxxxxxxxxxx > > http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb > > > > -------------------------------------------------------------------------------- > I am using the free version of SPAMfighter for private users. > It has removed 142 spam emails to date. > Paying users do not have this message in their emails. > Try SPAMfighter for free now! > > _______________________________________________ linux-dvb mailing list linux-dvb@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
