Re: More ULE bugs fixed.

On Wed, 15 Oct 2003, Eirik Oeverby wrote:

> Eirik Oeverby wrote:
> > Jeff Roberson wrote:
> >
> >> I fixed two bugs that were exposed due to more of the kernel running
> >> outside of Giant.  ULE had some issues with priority propagation that
> >> stopped it from working very well.
> >>
> >> Things should be much improved.  Feedback, as always, is welcome.  I'd
> >> like to look into making this the default scheduler for 5.2 if things
> >> start looking up.  I hope that scares you all into using it more. :-)
> >
> >
> > Hi..
> > Just tested, so far it seems good. System CPU load is floored (near 0),
> > system is very responsive, no mouse sluggishness or random
> > mouse/keyboard input.
> > Doing a make -j 20 buildworld now (on my 1ghz p3 thinkpad ;), and
> > running some SQLServer stuff in VMWare. We'll see how it fares.
>
> Hi, just a followup message.
> I'm now running the buildworld mentioned above, and the system is pretty
> much unusable. It exhibits the same symptoms as I have mentioned before,
> mouse jumpiness, bogus mouse input (movement, clicks), and the system is
> generally very jerky and unresponsive. This is particularily evident
> when doing things like webpage loading/browsing/rendering, but it's
> noticeable all the time, no matter what I am doing. As an example, the
> last sentence I wote without seeing a single character on screen before
> I was finsihed writing it, and it appeared with a lot more typos than I
> usually make ;)
>
> I'm running *without* invariants and witness right now, i.e. a kernel
> 100% equal to the SCHED_4BSD kernel.

Can you confirm the revision of your sys/kern/sched_ule.c file?  How does
SCHED_4BSD respond in this same test?

Thanks,
Jeff

>
> Best regards,
> /Eirik
>
>
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