Messages in this thread | | | Date | Fri, 12 Mar 1999 23:51:43 +0100 | From | Pavel Machek <> | Subject | Re: 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/ ;-).
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/
| |