Re: Mygica T230 DVB-T/T2/C Ubuntu 14.04 (kernel 3.13.0-45) using media_build

[Antti Palosaari <crope@iki.fi>]

Mauro,
could you fix your media controller stuff ASAP as I think almost all DVB 
devices are currently broken. I have got multiple bug reports....

On 02/22/2015 03:17 PM, Gert-Jan van der Stroom wrote:
> Can someone help me to get a Mygica T230 DVB-T/T2/C working on Ubuntu 14.04
> (kernel 3.13.0-45) using media_build.
> I succeed doing a build of the media_build, the drivers also load when I
> attach the Mygica, but when I try to use it (tvheadend) it crashes:
>
> [   61.592114] dvb-usb: found a 'Mygica T230 DVB-T/T2/C' in warm state.
> [   61.828138] dvb-usb: will pass the complete MPEG2 transport stream to the
> software demuxer.
> [   61.828279] DVB: registering new adapter (Mygica T230 DVB-T/T2/C)
> [   61.847369] i2c i2c-7: Added multiplexed i2c bus 8
> [   61.847372] si2168 7-0064: Silicon Labs Si2168 successfully attached
> [   61.857024] si2157 8-0060: Silicon Labs Si2147/2148/2157/2158
> successfully attached
> [   61.857034] usb 1-5: DVB: registering adapter 0 frontend 0 (Silicon Labs
> Si2168)...
> [   61.857488] input: IR-receiver inside an USB DVB receiver as
> /devices/pci0000:00/0000:00:1a.7/usb1/1-5/input/input11
> [   61.857541] dvb-usb: schedule remote query interval to 100 msecs.
> [   61.857709] dvb-usb: Mygica T230 DVB-T/T2/C successfully initialized and
> connected.
> [   61.857773] usbcore: registered new interface driver dvb_usb_cxusb
>
> Tvheadend start:
> [  314.356162] BUG: unable to handle kernel NULL pointer dereference at
> 0000000000000010
> [  314.356202] IP: [<ffffffffa02ef74c>]
> media_entity_pipeline_start+0x1c/0x390 [media]


^^^^^^^^^^^^ problem is that I think


> [  314.356236] PGD 76c6c067 PUD 766b0067 PMD 0
> [  314.356260] Oops: 0000 [#1] SMP
> [  314.356279] Modules linked in: si2157(OX) si2168(OX) i2c_mux
> dvb_usb_cxusb(OX) dib0070(OX) dvb_usb(OX) dvb_core(OX) rc_core(OX) media(OX)
> snd_hda_codec_analog gpio_ich hp_wmi sparse_keymap coretemp kvm_intel kvm
> serio_raw snd_hda_intel i915 lpc_ich snd_hda_codec shpchp drm_kms_helper
> snd_hwdep snd_pcm snd_page_alloc snd_timer pl2303 video wmi tpm_infineon drm
> mac_hid mei_me snd soundcore i2c_algo_bit usbserial mei lp parport psmouse
> e1000e floppy ptp pps_core pata_acpi
> [  314.356541] CPU: 1 PID: 1053 Comm: kdvb-ad-0-fe-0 Tainted: G        W  OX
> 3.13.0-45-generic #74-Ubuntu
>
> What is wrong, or do I miss something ?
> I also added the firmware described at:
> http://www.linuxtv.org/wiki/index.php/Geniatech_T230

regards
Antti

-- 
http://palosaari.fi/