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[Karel Marik <kaja.marik@xxxxxxx>]

*** This bug is a duplicate of bug 556204 ***
    https://bugs.launchpad.net/bugs/556204

(RE 20)

Thomas, the mythtv-backend.conf file was there and content was identical
as I left it yesterday. There is some strange interference between
mythtv and loading 'dvb-fe-tda10046.fw' firmware. Once I uninstall
mythtv then firmware is loaded and dvb-t card is working properly in
MeTV. I still get "timeout" and "invalid" messages but finally firmware
is load.

Here is sample from dmesg (without mythtv)
[   15.583077] saa7134 ALSA driver for DMA sound loaded
[   15.583118] IRQ 16/saa7133[0]: IRQF_DISABLED is not guaranteed on shared IRQs
[   15.583163] saa7133[0]/alsa: saa7133[0] at 0xed800000 irq 16 registered as card -2
[   15.640714] dvb_init() allocating 1 frontend
[   15.761996] DVB: registering new adapter (saa7133[0])
[   15.762012] DVB: registering adapter 0 frontend 0 (Philips TDA10046H DVB-T)...
[   18.160020] tda1004x: timeout waiting for DSP ready
[   18.200049] tda1004x: found firmware revision 0 -- invalid
[   18.200058] tda1004x: trying to boot from eeprom
[   20.536082] tda1004x: timeout waiting for DSP ready
[   20.576020] tda1004x: found firmware revision 0 -- invalid
[   20.576029] tda1004x: waiting for firmware upload...
[   20.576042] saa7134 0000:00:0d.0: firmware: requesting dvb-fe-tda10046.fw
[   33.176021] tda1004x: found firmware revision 20 -- ok

-- 
tda1004x: timeout waiting for DSP ready
https://bugs.launchpad.net/bugs/486264
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Status in “mythtv” package in Ubuntu: Incomplete

Bug description:
Binary package hint: mythtv

MythTV causes problem with DVB-T card firmware. Symptoms are as follows:

1) After mythtv installation everything works fine for many restarts (few days)

2) Suddenly, firmware is not loaded. dmesg gives 
tda1004x: timeout waiting for DSP ready
tda1004x: found firmware revision 80 -- invalid
tda1004x: firmware upload failed

3) Uninstall and reinstall of mythtv package revert this state so card (and mythtv) is working again well. dmesg gives
tda1004x: found firmware revision 20 -- ok

I repeated this 1-2-3 cycle three or four times since karmic-koala install.

===========================
Using:
Ubuntu 9.10 Karmic Koala
mythtv 0.22.0 (both backend and frontend)
tv card: AVerTV Digi Super 007 [Multimedia controller: Philips Semiconductors SAA7131/SAA7133/SAA7135 Video Broadcast Decoder (rev d1)]
firmware: /lib/firmware/dvb-fe-tda10046.fw installed from linux-firmware-nonfree package