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From: Andy Walls <awalls@radix.net>
To: "Dreher, Eric" <eric@dreher-associates.com>
Cc: linux-media@vger.kernel.org
Subject: Re: Fwd: ATI HDTV Wonder not always recognized
Date: Sat, 26 Sep 2009 15:22:31 -0400	[thread overview]
Message-ID: <1253992951.3156.4.camel@palomino.walls.org> (raw)
In-Reply-To: <781723be0909221440w5969c21ai5e190936a64fd84@mail.gmail.com>

On Tue, 2009-09-22 at 16:40 -0500, Dreher, Eric wrote:
> I am need of opinions on whether this is a driver or motherboard issue
> (or something else).
> 
> I originally had an ATI HDTV Wonder card working perfectly along with
> a PVR-150 in my two PCI slots of a Asus M2NPV-VM motherboard.
> Driver for the HDTV Wonder is cx88_dvb, and the PVR, ivtv
> 
> The PVR-150 recently started to deteriorate with a poor picture
> quality ( I can describe more if relevant).  So I purchased a
> replacement PVR-150 and popped into place.  The new PVR-150 worked
> without a hitch itself.  But...the HDTV Wonder isn't even recognized.
> Does not show up in lspci.  "modprobe cx88_dvb" reports "no such
> device"
> 
> I have tried swapping PCI slots with no luck, replaced the old PVR-150
> with no luck.
> 
> But the HDTV Wonder is recognized in one slot only with the other slot
> empty.  So I can currently run with either card, but not both.
> 
> Motherboard has the most recent firmware.  I've updated Ubuntu to 9.10
> and v4l-dvb drivers to most recent 0.0.7.  (No noticable difference
> from 0.0.6 as far as what I need).
> 
> Is my logic correct in blaming the motherboard?  Any suggestions?


Take out all your PCI cards, blow all the dust out of all the slots,
replace the cards, and try again.

The PCI bus uses refelected waves to get the proper signaling voltage
levels.  Dust in any of ther slots can have an effect on a sensitive
card.  I know the bttv supported cards are sensitive to this; I don't
know about cx88 supported devices.

Regards,
Andy

> Thanks,
> Eric
> --
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> 


      reply	other threads:[~2009-09-26 19:19 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <781723be0909221420l7e955a54p9d713d821ba737da@mail.gmail.com>
2009-09-22 21:40 ` Fwd: ATI HDTV Wonder not always recognized Dreher, Eric
2009-09-26 19:22   ` Andy Walls [this message]

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