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Snažím se ten čudl rozchodit na novém stroji. Zkoušel jsem Ubuntu 20.04.5, 5.4.0-132, napřed nějaký stažený firmware do /lib/firmware, pak kompilace z githubu crazycat a někde jinde jsem našel media_build_u20.04.1_ker5.4.0_lib_20210309.tar.bz2. Při kompilaci obvykle spousta chyb, takže drbačka se prokousat úspěšně na konec, ale stejně nic. Pak jsem naistaloval Ubuntu 18.04.6, 4.15.0-202 s tím, že vyzkouším originál media_build_u18.04.2_ker4.18_lib_201030.tar.bz2 z geniatech. Tady už je znatelný pokrok, chybí už jen frontend.

V dmesg:

[    5.472029] usb 2-1.1: new high-speed USB device number 3 using ehci-pci
[    5.630136] usb 2-1.1: New USB device found, idVendor=0572, idProduct=2886
[    5.707878] usb 2-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[    5.835491] usb 2-1.1: Product: USB Stick
[    5.934814] usb 2-1.1: Manufacturer: Gen
[    6.031071] usb 2-1.1: SerialNumber: 2018.09.05
[   12.496198] dvb-usb: found a 'Mygica Dual T/T2' in warm state.
[   12.496351] dvb-usb: will pass the complete MPEG2 transport stream to the software demuxer.
[   12.496474] dvbdev: DVB: registering new adapter (Mygica Dual T/T2)
[   12.496481] usb 2-1.1: media controller created
[   12.496844] dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered.
[   12.876535] dvb-usb: no frontend was attached by 'Mygica Dual T/T2'
[   12.876540] dvb-usb: will pass the complete MPEG2 transport stream to the software demuxer.
[   12.876729] dvbdev: DVB: registering new adapter (Mygica Dual T/T2)
[   12.876736] usb 2-1.1: media controller created
[   12.877159] dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered.
[   13.228520] dvb-usb: no frontend was attached by 'Mygica Dual T/T2'
[   13.228833] dvb-usb: Mygica Dual T/T2 successfully initialized and connected.
[   13.228897] usbcore: registered new interface driver dvb_usb_cxusb

Čudl mi ale 2 roky běžel na jiném stroji, kde bylo původně Ubuntu 18, před časem upgrade na 20 a na jeho funkci to nemělo vliv :) Ale potřebuji to přehodit na nové železo, na tom původním stroji je spousta jiného haraburdí, takže jsem se pustil do čisté instalace. Z nějakého důvodu jsem to předloni rozchodil a teď taková sakra práce...

Na starém stroji dmesg píše:

[    4.292369] usb 1-1.4: new high-speed USB device number 4 using ehci-pci
[    4.362244] usb 1-1.4: New USB device found, idVendor=0572, idProduct=2886, bcdDevice= 8.00
[    4.477824] usb 1-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[    4.477827] usb 1-1.4: Product: USB Stick
[    4.477829] usb 1-1.4: Manufacturer: Gen
[    4.477831] usb 1-1.4: SerialNumber: 2018.09.05
[   31.353338] dvb-usb: found a 'Mygica T230 DVB-T/T2/C' in warm state.
[   31.353610] dvb-usb: will pass the complete MPEG2 transport stream to the software demuxer.
[   31.355670] dvbdev: DVB: registering new adapter (Mygica T230 DVB-T/T2/C)
[   31.355679] usb 1-1.1: media controller created
[   31.356522] dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered.
[   33.279463] usb 1-1.1: DVB: registering adapter 0 frontend 0 (USB-DVBT-Frontend)...
[   33.279478] dvbdev: dvb_create_media_entity: media entity 'USB-DVBT-Frontend' registered.
[   34.264564] rc rc0: Mygica T230 DVB-T/T2/C as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.1/rc/rc0
[   34.264686] rc rc0: lirc_dev: driver dvb_usb_cxusb registered at minor = 0, scancode receiver, no transmitter
[   34.264768] input: Mygica T230 DVB-T/T2/C as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.1/rc/rc0/input9
[   34.264836] dvb-usb: schedule remote query interval to 100 msecs.
[   34.264840] dvb-usb: Mygica T230 DVB-T/T2/C successfully initialized and connected.
[   34.264895] dvb-usb: found a 'Mygica Dual T/T2' in warm state.
[   34.265053] dvb-usb: will pass the complete MPEG2 transport stream to the software demuxer.
[   34.271568] dvbdev: DVB: registering new adapter (Mygica Dual T/T2)
[   34.271578] usb 1-1.4: media controller created
[   34.272462] dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered.
[   35.089038] usb 1-1.4: DVB: registering adapter 1 frontend 0 (Sony cxd2858 Frontend)...
[   35.089056] dvbdev: dvb_create_media_entity: media entity 'Sony cxd2858 Frontend' registered.
[   35.093215] dvb-usb: will pass the complete MPEG2 transport stream to the software demuxer.
[   35.093554] dvbdev: DVB: registering new adapter (Mygica Dual T/T2)
[   35.093562] usb 1-1.4: media controller created
[   35.094364] dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered.
[   35.861112] usb 1-1.4: DVB: registering adapter 2 frontend 0 (Sony cxd2858 Frontend)...
[   35.861130] dvbdev: dvb_create_media_entity: media entity 'Sony cxd2858 Frontend' registered.
[   35.865338] rc rc1: Mygica Dual T/T2 as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.4/rc/rc1
[   35.865445] rc rc1: lirc_dev: driver dvb_usb_cxusb registered at minor = 1, scancode receiver, no transmitter
[   35.865531] input: Mygica Dual T/T2 as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.4/rc/rc1/input10
[   35.865613] dvb-usb: schedule remote query interval to 100 msecs.
[   35.865616] dvb-usb: Mygica Dual T/T2 successfully initialized and connected.
[   35.865678] usbcore: registered new interface driver dvb_usb_cxusb
[   68.540118] usb 1-1.4: DVB: adapter 2 frontend 0 frequency 0 out of range (54000000..858000000)
[   69.100145] usb 1-1.4: DVB: adapter 1 frontend 0 frequency 0 out of range (54000000..858000000)