On Monday 27 January 2014 08:29:48 Greg Folkert did opine:

> On Mon, 2014-01-27 at 07:16 -0500, Gene Heskett wrote:
> > Greetings all;
> > 
> > Been on this list for quite a while, and did use it for a year or 3
> > but I had removed clamav in its entirety when a long spell of broken
> > freshclam was spamming my logs, and clamscan itself was also
> > generating failure msgs for every msg that procmail had it check.
> > 
> > So, is there any hope of making it work again using what the repo's
> > for ubuntu 10.04.4 LTS will put back in (version 97.8) using
> > synaptic?  Or has the data format changed so much its hopeless?
> > 
> > Cheers, Gene
> 
> I'd say that the problem you are seeing is a Distribution issue. Sorry
> to say this. If it is LTS, isn't that 3 years support cycle? Seems that
> is 4 years old by now (getting really close)

Server versions, which the linuxcnc distribution version is based on, are 5 
years, and I am still getting regular security fixes ever 2-3 days.  The 
linuxcnc crew is furiously working on a new kernel that _will_ run 
linuxcnc, but its not quite ready for prime time yet.  The RTAI patchkit 
has fallen way behind, and it may be that we'll have to use the xenomai 
patchset which in tests so far, has not quite met the needs.  We need hard 
realtime performance, with emphasis on a steady heartbeat in the 20 
microsecond range with jitter in that heartbeat not more than 2 or 3 
microseconds.

The stock kernel simply cannot meet the latency requirements of running 
high speed stepper motors.

I am running a much newer kernel on this machine as it isn't actually 
running machinery.

Cheers, Gene
-- 
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Genes Web page <http://geneslinuxbox.net:6309/gene>

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