Re: ehci_hcd map_single: unable to map unsafe buffer on a standard NSLU2
Lennart Sorensen wrote:
>
> On Mon, Sep 10, 2007 at 10:06:03PM +0200, David & Anne-Sophie wrote:
>> Sorry, I forgot something. The driver is in the directory :
>> linux/drivers/media/video/em28xx
>
> I assume you are running the tuner connected directly to the nslu2 right
> and not through a hub? It does after all say it requires a lot of
> dedicated bandwidth to run.
>
> I wonder how much CPU it takes to handle that kind of traffic.
>
> --
> Len Sorensen
>
>
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Hello,
I am using a Terratec Cinergy T2 USB tuner on my 266MHz NSLU2.
When I am recording a DVB-T stream, it takes around 33% CPU (zapdvb process,
the tool I use to record) but surprisingly, my NSLU2 is much less responsive
for other tasks (big latencies for ssh, fetchmail, imap and other things
that run on my box).
Nevertheless, the recorded file contains the entire stream (video is fluid).
Do you think this is a CPU related problem?
Regards,
Thierry
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