Re: bttv+scsi writing => corrupted frames

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Reply to the mail from Tuukka Toivonen (tuukkat@xxxxxxxxxx):

> It's amazing that if the TV card is in one of the two bottommost slots, the
> image gets into completely crap exactly when the hard disk light is on
> (when I'm running dd if=/dev/zero of=zeros). The light blinks periodically
> and the image quality follows that: when the light is off, the image is
> perfect.

One thing to note is that on many boards, the last two PCI slots are not 
daisy chained ( as the others are ) but are rather connected pin-to-pin. 

Thus they share the same physical interrupt line which often seems to cause 
problems.

 -Arne




> 
> I guess the SCSI controller somehow ates all PCI bandwidth while writing.
> 
> 
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