Please help, I had Mythtv setup with separate backend and frontend, running under Mythbuntu Hardy 8.10 had 2 nebula DigiTV cards with TDED4 tuners in the backend During play back of the recording the video would freeze, I therefore decided to install the backend and frontend on what was the frontend. and upgrade to Mythbuntu 10.04, but found when scanning for channels in Mythgbackend setup the scanner gives "scanning channel xx No Lock for channels 21 to 68 and lists the following information for each channel channel xx offset 2 -- Timed out, no signal After channel 68 has been tried the message No channels found appears. thoulght this may have been resolved in 10.10 so upgraded, deleted the partitions on the system disk an installed 10.10, am getting the same results, I came across this post and on looking at dmesg the module is bt878 verified by sudo modprobe -vr bt878 and getting message module busy
tried sudo gedit /etc/rc.local modprobe -vr bt878 sleep 10 modprobe -v bt878 no change, then increasing Signal Timeout to 3000ms Tuning Timeout to 5000ms and DVB Tuning Delay to 2000 and ran the scan again with the same result. the only difference I can see is that the module number is different bttv: driver version 0.9.17 in Hardy bttv: driver version 0.9.18 Working Mythbuntu Hardy Backend only syslog Nov 28 18:15:31 hub kernel: [ 196.562569] bttv: driver version 0.9.17 loaded Nov 28 18:15:31 hub kernel: [ 196.562582] bttv: using 8 buffers with 2080k (520 pages) each for capture Nov 28 18:15:31 hub kernel: [ 196.562733] bttv: Bt8xx card found (0). Nov 28 18:15:31 hub kernel: [ 196.562783] ACPI: PCI Interrupt 0000:01:0c.0[A] -> GSI 25 (level, low) -> IRQ 21 Nov 28 18:15:31 hub kernel: [ 196.562801] bttv0: Bt878 (rev 17) at 0000:01:0c.0, irq: 21, latency: 32, mmio: 0xfc003000 Nov 28 18:15:31 hub kernel: [ 196.574645] bttv0: detected: Nebula Electronics DigiTV [card=104], PCI subsystem ID is 0071:0101 Nov 28 18:15:31 hub kernel: [ 196.574655] bttv0: using: Nebula Electronics DigiTV [card=104,autodetected] Nov 28 18:15:31 hub kernel: [ 196.574700] bttv0: gpio: en=00000000, out=00000000 in=00ff00cf [init] Nov 28 18:15:31 hub kernel: [ 196.575095] bttv0: tuner absent Nov 28 18:15:31 hub kernel: [ 196.575142] bttv0: registered device video0 Nov 28 18:15:31 hub kernel: [ 196.575172] bttv0: registered device vbi0 Nov 28 18:15:31 hub kernel: [ 196.575195] bttv0: PLL: 28636363 => 35468950 .. ok Nov 28 18:15:31 hub kernel: [ 196.620049] bttv0: add subdevice "dvb0" Nov 28 18:15:31 hub kernel: [ 196.620167] input: bttv IR (card=104) as /devices/pci0000:01/0000:01:0c.0/input/input3 Not working Mythbuntu Maverick syslog Dec 18 16:56:16 paul-K7VT4APro kernel: [ 19.639131] bttv: driver version 0.9.18 loaded Dec 18 16:56:16 paul-K7VT4APro kernel: [ 19.639141] bttv: using 8 buffers with 2080k (520 pages) each for capture Dec 18 16:56:16 paul-K7VT4APro kernel: [ 19.639249] bttv: Bt8xx card found (0). Dec 18 16:56:16 paul-K7VT4APro kernel: [ 19.639285] alloc irq_desc for 18 on node -1 Dec 18 16:56:16 paul-K7VT4APro kernel: [ 19.639291] alloc kstat_irqs on node -1 Dec 18 16:56:16 paul-K7VT4APro kernel: [ 19.639309] bttv 0000:00:0a.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18 Dec 18 16:56:16 paul-K7VT4APro kernel: [ 19.639328] bttv0: Bt878 (rev 17) at 0000:00:0a.0, irq: 18, latency: 32, mmio: 0xdddfe000 Dec 18 16:56:16 paul-K7VT4APro kernel: [ 19.640704] bttv0: detected: Nebula Electronics DigiTV [card=104], PCI subsystem ID is 0071:0101 Dec 18 16:56:16 paul-K7VT4APro kernel: [ 19.640715] bttv0: using: Nebula Electronics DigiTV [card=104,autodetected] Dec 18 16:56:16 paul-K7VT4APro kernel: [ 19.640815] bttv0: gpio: en=00000000, out=00000000 in=00ff00cf [init] Dec 18 16:56:16 paul-K7VT4APro kernel: [ 19.641090] bttv0: tuner absent Dec 18 16:56:16 paul-K7VT4APro kernel: [ 19.641399] bttv0: registered device video0 Dec 18 16:56:16 paul-K7VT4APro kernel: [ 19.641626] bttv0: registered device vbi0 Dec 18 16:56:16 paul-K7VT4APro kernel: [ 19.641652] bttv0: PLL: 28636363 => 35468950 . Dec 18 16:56:16 paul-K7VT4APro kernel: [ 19.642846] IR Sony protocol handler initialized Dec 18 16:56:16 paul-K7VT4APro kernel: [ 19.656080] . ok Dec 18 16:56:16 paul-K7VT4APro kernel: [ 19.672183] bttv0: add subdevice "dvb0" Dec 18 16:56:16 paul-K7VT4APro kernel: [ 19.780079] lirc_dev: IR Remote Control driver registered, major 250 Dec 18 16:56:16 paul-K7VT4APro kernel: [ 19.792803] IR LIRC bridge handler initialized Dec 18 16:56:16 paul-K7VT4APro kernel: [ 19.796411] Registered IR keymap rc-nebula Dec 18 16:56:16 paul-K7VT4APro kernel: [ 19.796660] input: bttv IR (card=104) as /devices/pci0000:00/0000:00:0a.0/rc/rc1/input7 Dec 18 16:56:16 paul-K7VT4APro kernel: [ 19.796821] rc1: bttv IR (card=104) as /devices/pci0000:00/0000:00:0a.0/rc/rc1 Any help would be greatly appreciated. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/368215 Title: Nebula DigiTV DVB-T (PCI) no longer works -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
