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Re: [gpsd-dev] tests hanging on netsbd-6 i386


From: Eric S. Raymond
Subject: Re: [gpsd-dev] tests hanging on netsbd-6 i386
Date: Fri, 30 Jan 2015 15:04:30 -0500
User-agent: Mutt/1.5.23 (2014-03-12)

Greg Troxel <address@hidden>:
> > Sleeping for a fixed interval is exactly what the second version of
> > the buzzkill code did.  That seemed to produce hangs.
> 
> But was it doing this only when incorrect select behavior was detected?

It was.  There was a rate check before the delaty logic was enabled.

> How prevalent is the bad behavior?

I saw it on the Great Beast, so who knows? The problem is that on mobile
devices the rapid looping eats power. This was reported as a problem
on the Raspberry Pi and a few Android phone models.
-- 
                <a href="http://www.catb.org/~esr/";>Eric S. Raymond</a>

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