Re: CX25821 driver in kernel 3.4.4 problem

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   Hello,
thank you for answer. Problems occurs on all channels and don't
depend on number of channels used. I have tried to run only one
channel, but it didn't help. 

I bought this card from dx.com for 65$. 

May be, I'll be able to provide access to my testing system with 
this card, if it is enought.

Regards
Radek Masin

Dne Po, 07/23/2012 02:20 odp., Devin Heitmueller <dheitmueller@xxxxxxxxxxxxxx> napsal(a):
> On Mon, Jul 23, 2012 at 3:40 AM, Radek Mašín <radek@xxxxxxxx> wrote:
> > Hello,
> > may be one more problem. I use Zoneminder software for capturing pictures from card and occasionally
> > I get corrupted picture. Please take a look for attached files.
> 
> Looks like the IRQ handler wasn't servicing fast enough, causing parts
> of a frame to get dropped.  Does this only happen when you have a
> bunch of streams running in parallel?
> 
> This sort of performance issue would be very difficult to debug
> without one of the developers having a board.  From what I understand
> the code provided by Conexant was merged essentially as-is (with some
> codingstyle cleanups and zero testing), with no upstream developers
> actually having the hardware.
> 
> You're probably out of luck unless you're willing to pay somebody to
> get a board and debug the problem.
> 
> Devin
> 
> --
> Devin J. Heitmueller - Kernel Labs
> http://www.kernellabs.com
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