Date: Mon, 28 Feb 2005 17:45:00 +0100
To: Gerd Knorr <kraxel@bytesex.org>
Cc: James Bruce <bruce@andrew.cmu.edu>, linux-kernel@vger.kernel.org
Subject: Re: Potentially dead bttv cards from 2.6.10
Message-ID: <20050228164459.GI21514@vanheusden.com>
References: <422001CD.7020806@andrew.cmu.edu> <20050228134410.GA7499@bytesex> <42232DFC.6090000@andrew.cmu.edu> <87mzto3c78.fsf@bytesex.org>
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From: folkert@vanheusden.com (Folkert van Heusden)
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> > Well, are there any theories as to why it would work flawlessly, then
> > after a hard lockup (due to what I think is a buggy V4L2 application),
> > that the cards no longer work?
> No idea why the eeprom doesn't respond any more.  Maybe it's really
> broken.  Note that the eeprom is read only at insmod time (and even
> that for some cards only), thus there isn't a clear connection between
> the crash and the eeprom issue.  It could have died earlied unnoticed.
> The eeprom holds the PCI Subsystem ID, so without a working eeprom
> bttv can't figure automatically what exact card that is (see the
> "unknown/default" card name in the log) and maybe thats why does not
> work any more for the card in question.  Thats should be easily
> fixable using the card= insmod option.

I remember something about that you shouldn't use the teletext-decoder
at the same time as viewing regular tv. That would damage the eeprom.
Maybe it is related?


Folkert van Heusden

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