Re: Kworld Plus TV Hybrid PCI (DVB-T 210SE)

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Hi Peter,

Am Montag, den 29.03.2010, 23:10 +1100 schrieb 0123peter@xxxxxxxxx:

> 
> Hi Hermann,  
> 
> I've been "fixing" my PC to the state that it stopped working.  
> Hence the delay.  
> 
> > Hi Peter,
> > 
> > Am Samstag, den 20.03.2010, 16:20 +1100 schrieb 0123peter@xxxxxxxxx:

> >> 
> >> [snip]
> >> > 
> >> > unfortunately the problem with these cards is known, but no good
> >> > solution for now.
> >> > 
> >> > Best description is from Hartmut and starts here.
> >> > 
> >> > http://www.spinics.net/lists/linux-dvb/msg26683.html
> >> > 
> >> [snip]
> >> 
> >> Interesting link.  I have one of the cards mentioned 
> >> (an MSI TV(at)nywhere A/D hybrid).  I've decided not to throw it away.  
> > 
> > to not leave you without any response at least.
> > 
> > In hind sight, seeing how unfortunate using such devices can be, mainly
> > because of being forced to try at random again with a cold boot after
> > some i2c war brought down the tuner, we better should have such only in
> > a still experimental league and not as supported.
> > 
> > This was not foreseeable in such rudeness and neither Hartmut nor me
> > have such devices.
> > 
> > The Asus triple OEM 3in1 I have does not have any problems with loading
> > firmware from file, the others do all get it from eeprom.
> > 
> > So, actually nobody is investigating on it with real hardware.
> > 
> > Maybe you can catch something with gpio_tracking and i2c_debug=1.
> > I would expect that the complex analog tuner initialization gets broken
> > somehow. This is at least known to be good to bring all down.
> > 
> > Cheers,
> > Hermann
> 
> There was a patch about alignment that went through recently.  
> Revert "V4L/DVB (11906): saa7134: Use v4l bounding/alignment function"
> Maybe that was it.  

did not even notice a problem with Trent's prior patch.
The same is also at vivi.

> Should I have a file called /etc/modprobe.d/TVanywhereAD 
> that contains the line, 
> 
> options saa7134 card=94 gpio_tracking i2c_debug=1
> 
> and then watch the command line output of "kaffeine"?  

If you want to produce debug output for failing firmware loading from
file after a cold boot, yes, you might eventually be able to see that
failing tuner initialization brings down i2c.

If it is a additional new regression, then mercurial bisect can find the
patch in question fairly quick.

Mauro has a MSI cardbus device using also the card=94 entry, but at home
he has no DVB-T.

Cheers,
Hermann


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