[Linrad] Re: RX OVERRUN_ERROR

["Thomas D. Dean" <speakeasy.org; tomdean@xxxxxxxxxxxxxxxx>]

On Thu, 2009-05-28 at 10:19 +0200, Leif Asbrink wrote:

> 
> As far as I know it only occurs when the CPU is overloaded. 

I am running xlinrad on a quad core 3GHz machine with 4G RAM and one
other process, trackerd.

I can not see a high CPU usage with top when xlinrad is running
normally.  When I get an error, either overrun or A/D Speed and the
waterfall stops, xlinrad is using 100% of one cpu and bouncing between
0.5% and 1.1% memory.

If I start xlinrad and do not touch the mouse or keyboard, it seems to
not get to the 100% state, normally around 5% to 10%.  After letting it
run for a few minutes, getting 85 overrun errors and seeing the A/D
error several times, when I press <esc>, the display stops and xlinrad
freezes using 100% of one cpu. I use ^C in the terminal to kill it.

I installed the ft245.ko built from your sources, in the normal
location.  I see no change.

tomdean


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