From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from lists.s-osg.org ([54.187.51.154]:55027 "EHLO lists.s-osg.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752209AbbBVVzJ (ORCPT ); Sun, 22 Feb 2015 16:55:09 -0500 Date: Sun, 22 Feb 2015 18:55:03 -0300 From: Mauro Carvalho Chehab To: Antti Palosaari Cc: Gert-Jan van der Stroom , linux-media@vger.kernel.org Subject: Re: Mygica T230 DVB-T/T2/C Ubuntu 14.04 (kernel 3.13.0-45) using media_build Message-ID: <20150222185503.41cbcb1a@recife.lan> In-Reply-To: <54EA4BB8.2080106@iki.fi> References: <002401d04ea1$e5cf1780$b16d4680$@gmail.com> <54EA4BB8.2080106@iki.fi> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: Em Sun, 22 Feb 2015 23:35:52 +0200 Antti Palosaari escreveu: > 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.... That looks weird... I think the patch adding media controller support for the dvb-usb was not merged yet. > > 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: [] > > 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 Gert-Jan, Could you please post the stack dump? It would help to know what's calling media_entity_pipeline_start. Regards, Mauro > > > > 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 >