Bug#462831: rt73.ko driver causes load average 2.0

[Ben Hutchings]

On Tue, 2008-01-29 at 19:02 +0100, maximilian attems wrote:
> On Sun, 27 Jan 2008, Ondrej Certik wrote:
> 
> > 
> > the rt73.ko driver in Debian and kernel 2.6.22, as well as the latest
> > upstream cvs version and the kernel 2.6.23 causes
> > the load average to be 2.0 when the interface up. Doing "ifdown
> > wlan0", the load average goes to back to 0.00.
> > 
> > I reported the bug here with more details:
> > 
> > http://rt2x00.serialmonkey.com/phpBB2/viewtopic.php?t=4568
> > 
> > But noone responded. Do you have some tips what I can try?

This is not necessarily a serious problem.  Any (kernel or user) thread
in the "io-wait" state counts toward the load, even though it is not
taking processor time.  However, to avoid confusion, kernel threads
should not sleep in a way that puts them in io-wait state.

> install 2.6.24 from unstable should have newer version?
> and see how it works..

That's actually a different driver (rt73usb), which is also available
for 2.6.22 and 2.6.23 through the rt2x00-source package.

Ben.

-- 
Ben Hutchings
Everything should be made as simple as possible, but not simpler.
                                                           - Albert Einstein
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