[mythtv-users] New DVB-T tuner, new problems

[Gary Dawes]

On 28 February 2011 06:33, Svend Høst <svend at hoest.nu> wrote:

> Hi
>
> I bought a tuner that at first seemed to work ok, it scanned channels
> just fine. But my recordings are distorted
>
> Feb 25 21:02:47 gateway kernel: [   12.645410] dib0700: loaded with
> support for 14 different device-types
> Feb 25 21:02:47 gateway kernel: [   12.645813] dvb-usb: found a
> 'Hauppauge Nova-TD Stick/Elgato Eye-TV Diversity' in warm state.
> Feb 25 21:02:47 gateway kernel: [   12.647138] dvb-usb: will pass the
> complete MPEG2 transport stream to the software demuxer.
> Feb 25 21:02:47 gateway kernel: [   12.649350] DVB: registering new
> adapter (Hauppauge Nova-TD Stick/Elgato Eye-TV Diversity)
> Feb 25 21:02:47 gateway kernel: [   12.684080] via-velocity
> 0000:03:00.0: BAR 0: set to [io  0xe800-0xe8ff] (PCI address
> [0xe800-0xe8ff]
> Feb 25 21:02:47 gateway kernel: [   12.684107] via-velocity
> 0000:03:00.0: BAR 1: set to [mem 0xfeaffc00-0xfeaffcff 64bit] (PCI
> address [0xfeaffc00-0xfeaffcff]
> Feb 25 21:02:47 gateway kernel: [   12.697721] Velocity is AUTO mode
> Feb 25 21:02:47 gateway kernel: [   12.917394] DVB: registering
> adapter 0 frontend 0 (DiBcom 7000PC)...
> Feb 25 21:02:47 gateway kernel: [   12.979379] MT2266: successfully
> identified
> Feb 25 21:02:47 gateway kernel: [   13.161413] dvb-usb: will pass the
> complete MPEG2 transport stream to the software demuxer.
> Feb 25 21:02:47 gateway kernel: [   13.187809] DVB: registering new
> adapter (Hauppauge Nova-TD Stick/Elgato Eye-TV Diversity)
> Feb 25 21:02:47 gateway kernel: [   13.366333] DVB: registering
> adapter 1 frontend 0 (DiBcom 7000PC)...
> Feb 25 21:02:47 gateway kernel: [   13.372243] MT2266: successfully
> identified
> Feb 25 21:02:47 gateway kernel: [   13.538797] input: IR-receiver
> inside an USB DVB receiver as
> /devices/pci0000:00/0000:00:10.4/usb1/1-4/input/input6
> Feb 25 21:02:47 gateway kernel: [   13.538918] dvb-usb: schedule
> remote query interval to 50 msecs.
> Feb 25 21:02:47 gateway kernel: [   13.538926] dvb-usb: Hauppauge
> Nova-TD Stick/Elgato Eye-TV Diversity successfully initialized and
> connected.
> Feb 25 21:02:47 gateway kernel: [   13.540718] usbcore: registered new
> interface driver dvb_usb_dib0700
>
> I have a lot of theese entries in my log :
>
> Feb 20 07:48:23 gateway kernel: [89495.026321] MT2266 I2C read failed
> Feb 20 07:48:23 gateway kernel: [89495.040607] MT2266 I2C read failed
> Feb 20 07:48:23 gateway kernel: [89495.056483] MT2266 I2C read failed
> Feb 20 07:48:23 gateway kernel: [89495.072496] MT2266 I2C read failed
> Feb 20 07:48:23 gateway kernel: [89495.088502] MT2266 I2C read failed
> Feb 20 07:48:23 gateway kernel: [89495.104506] MT2266 I2C read failed
> Feb 20 07:48:23 gateway kernel: [89495.120505] MT2266 I2C read failed
> Feb 20 07:48:23 gateway kernel: [89495.136507] MT2266 I2C read failed
> Feb 20 07:48:23 gateway kernel: [89495.152387] MT2266 I2C read failed
> Feb 20 07:48:23 gateway kernel: [89495.168514] MT2266 I2C read failed
>
> And i think that they are related to my tuner problems.
>
> I'm running a maverick ubuntu based mythbuntu. Anyone having a clue
> how to solve my problems ?
>
> Wkr.
> Svend
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>

Although it may not be applicable, a thread I started recent;y and have just
updated may be interesting reading.

I have been experencing similar issues with a Happauge NovaT-500 which is a
usb hub, and 2 usb tuners repackaged onto a pci card. I was getting the
Mt2060 errors frequently. the box has now been stable for approx 36 hours.

In a nutshell check

the transport settings are set to manual where possible. settings may vary
from the UK to  your country.
Check the tuner delay, and if possible ensure EIT scanning is disabled.
Check USB autosuspend. I am running Mythbuntu 10.10 and I need to disable it
on my system by passig a kernel option at boot - check
here<http://wiki.xbmc.org/index.php?title=Ubuntu_Suspend_/_Wake#Disable_Usbcore_Autosuspend>for
details on how to do it.
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