[mythtvnz] DVB-T recording artefacts after upgrade to Mythbuntu 11.10 with HVR2200

David Shepherd david at daveshep.net.nz
Sun Dec 4 23:40:01 GMT 2011


> On 02/12/11 16:40, David Shepherd wrote:
>> Well, I confirmed that my randomly recurring artefacts in DVB-T
>> recordings
>> are in the stored recording.  I can reproduce exactly the same
>> pixelation
>> every time at the same point in the recording and skipping back and
>> forward doesn't make any difference.
>>
>> I also tried upgrading the driver via the instructions on the linuxtv
>> wiki.  The media stack compiled and installed correctly, the card was
>> detected fine, the firmware loaded but I couldn't get it to boot.  I
>> double checked the firmware files and downloaded again etc but no luck.
>> So I backed it all out again and will post to the v4l forums.  Here's
>> the
>> dmesg output in case anyone has any suggestions.
>>
>> [    5.056004] saa7164_downloadfirmware() no first image
>> [    5.056063] saa7164_downloadfirmware() Waiting for firmware upload
>> (NXP7164-2010-03-10.1.fw)
>> [    5.056066] saa7164 0000:04:00.0: firmware: requesting
>> NXP7164-2010-03-10.1.fw
>> [    5.056699] saa7115 4-0021: saa7115 found (1f7115d0e100000) @ 0x42
>> (ivtv i2c driver #0)
>> [    5.232781] saa7164_downloadfirmware() firmware read 4019072 bytes.
>> [    5.232783] saa7164_downloadfirmware() firmware loaded.
>> [    5.232785] Firmware file header part 1:
>> [    5.232787]  .FirmwareSize = 0x0
>> [    5.232788]  .BSLSize = 0x0
>> [    5.232789]  .Reserved = 0x3d538
>> [    5.232790]  .Version = 0x3
>> [    5.232791] saa7164_downloadfirmware() SecBootLoader.FileSize =
>> 4019072
>> [    5.232797] saa7164_downloadfirmware() FirmwareSize = 0x1fd6
>> [    5.232798] saa7164_downloadfirmware() BSLSize = 0x0
>> [    5.232799] saa7164_downloadfirmware() Reserved = 0x0
>> [    5.232801] saa7164_downloadfirmware() Version = 0x1661c00
>> [   10.496512] saa7164_downloadimage() image corrupt
>>
>
> What in the wide world of sports is the "saa7115 4-0021: saa7115 found
> (1f7115d0e100000) @ 0x42 (ivtv i2c driver #0)" message about? I think
> the saa7164 driver has it's own i2c comms code and I don't have an "ivtv
> i2c" driver loaded on my system. Maybe look for an ivtv driver and
> unload it?
>
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Whoops should have removed that line.  My backend box also has a PVR350
using the ivtv driver and a couple of DVB-S cards so it's probably related
to one of those.





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