Re: /dev/random related mouse jerkiness is again here

[Maxim Sobolev]

Mark Murray wrote:

> > I wonder if anyone noticed that mouse jerkiness caused by entropy
> > harvesting routine is here again (both in syscons and X11), although
> > it was expected to be solved by kthreads, at least on my poor old P133
> > with PS/2 mouse.
>
> You say "here again". Was there a time that it went away with kthreads?

Huh, I really don't know for sure, because lately I have not followed -current
very closely (SMPng stability issues, you know), but I heard from someone that
some not-so-distant snapshot doesn't exhibit this misbehaviour. Could I suggest
that we provide some sysctl to disable entropy harvesting in syscons mouse code
at least until you will solve it properly?

-Maxim



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Re: /dev/random related mouse jerkiness is again here

[Mark Murray]

> I had mouse jerkiness at the same time as I had the sound glitches. Those 
> were explained as a result of SMPNG IRQ latency (IIRC). Could this be the 
> same problem?

Yes.

M
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Re: /dev/random related mouse jerkiness is again here

[Rogier R. Mulhuijzen]

At 10:07 27-10-00 -0700, you wrote:
> > I wonder if anyone noticed that mouse jerkiness caused by entropy
> > harvesting routine is here again (both in syscons and X11), although
> > it was expected to be solved by kthreads, at least on my poor old P133
> > with PS/2 mouse.
>
>You say "here again". Was there a time that it went away with kthreads?

I had mouse jerkiness at the same time as I had the sound glitches. Those 
were explained as a result of SMPNG IRQ latency (IIRC). Could this be the 
same problem?

 DocWilco



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Re: /dev/random related mouse jerkiness is again here

[Mark Murray]

> I wonder if anyone noticed that mouse jerkiness caused by entropy
> harvesting routine is here again (both in syscons and X11), although
> it was expected to be solved by kthreads, at least on my poor old P133
> with PS/2 mouse.

You say "here again". Was there a time that it went away with kthreads?

M
--
Mark Murray
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