On 2021-01-08, Ahem A Rivet's Shot  wrote:

> On Fri, 08 Jan 2021 09:56:13 +0100
> Deloptes  wrote:
>
>> I know a guy from the mailing lists (Gene Hasket) that is operating
>> some CNC and was complaining about lack of RT in linux. He is using
>> some patched kernel from somewhere - I do not recall the details, but
>> it is really a problem that Linux is not applicable to time sensitive
>> applications.

s/Hasket/Heskett/
He's a regular on the debian-users mailing list.

>  Problem ? It's a fact and always will be that multi-tasking
> operating systems and real time processing don't go together unless
> the real time demands are very long relative to the processing speed
> (eg. payroll).

Ah, finally, someone else who realizes that payroll is a real-time
application.

>  Time was we used MS-DOS for burning CDs rather than unix because
> it only took one late write to make a coaster, buffering and faster
> processors means that we can now burn blu-ray discs from a multi-tasking OS
> and almost never make a coaster. That doesn't make unix a real time OS it
> just means that the timescales have shrunk.

I'm still nervous about doing other things while burning a CD.
On the other hand, the only coasters I've produced were due to
hardware problems (usually dust bunnies in the drive).

--
/~\  Charlie Gibbs                  |  "Some of you may die,
\ /        |  but it's a sacrifice
 X   I'm really at ac.dekanfrus     |  I'm willing to make."
/ \  if you read it the right way.  |    -- Lord Farquaad (Shrek)

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