: From: Thilo Manske <Thilo.Manske@HEH.Uni-Oldenburg.DE>

: : Tony Hernandez...

> > Has anyone come across this? Heres a scenario:
> > Ill be compiling a program and meanwhile trying to use another program in X
> > ..
> > Ill be moving my mouse around and it freezes for a moment and then the mouse
> > moves and freezes for a sec ... etc .. you get the picture ..
>
> I suppose you have IDE-drives and don't have Manuel Bouyer's IDE-Patches 
> applied.  Because of this disc I/O is PIO-driven and may freeze the system for
> short periods. 
>
> [ more stuff about IDE, ramdisks, and UDMA deleted ]


It's not related to IDE hardware or IDE software.

This is due to the problem discussed on tech-kern using the highly technical
designation ``sucky performance''. :-)

This problem was solved by scheduler mods in -current on 1/23/99, and if
the SOURCE_DATE in the latest i386 snapshot is accurate, then the fix is
in those binaries.

Or, you can apply the patch below to 1.3.x or to a 1998-era snapshot of
NetBSD-current.

	Ross.Harvey@Computer.Org

-------------------------------------------------------------
Instructions: patch -d /sys/kern < 1.3schedpatch

begin 664 1.3schedpatch
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`
end