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[John <486264@xxxxxxxxxxxxxxxxxx>]

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

This is the workaround that worked for me:

start mythtv-setup and in the cards section tick the box 'open on demand'. Or use mysql client and change the dvb_on_demand value in capturecard table:
mysql -umythtv -pyour_password mythconverg
update capturecard set dvb_on_demand=1 where cardid=1;

I presume it creates sufficient delay after mythbackend starts and
before it attempts to open the card.

Hope this will help someone.

-- 
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