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SubjectRe: 2.2.3 & Hercules mono videocard & strange scheduling policies
Hi!

> We've got a little Linux box based on P100 with a mono hercules monitor.
> I've noticed that scrolling the screen can completly locks the machine
> while scrolling is proceed. I was playing an MP3 and paging witin 'less'
> produces strange sound output. If I scroll continously I can 'stop' mp3
> playing for seconds as well. mpg123 ran with -20 and realtime priority ...
> What's the matter ? It's not issued with eg a VGA card ...

Easy: hercules can not do hw scroll, and it takes long time to repaint
screen over ISA bus. Take a sun4 and see for how long you can stop
_that_ with simple scrolling.

Pavel

--
I'm really pavel@atrey.karlin.mff.cuni.cz. Pavel
Look at http://atrey.karlin.mff.cuni.cz/~pavel/ ;-).

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