ULE Update
Peter Schultz
pmes at btinet.net
Fri Oct 10 04:25:55 PDT 2003
Jeff Roberson wrote:
> I have reproduced the lagging mouse issue on my laptop. I tried moused to
> no effect. Eventually, I grudgingly installed kde and immediately started
> encountering problems with mouse lag. It would seem that twm was not
> stressing my machine in the same ways that kde is. ;-)
>
I have a Tyan S1832DL with dual PII 350s, 384 MB of ram, Adaptec 2940
scsi controler w/Seagate ST39102LW disk, and a voodoo 3 3000. I've been
running ULE for a while now and have noticed that I don't have to be in
X to see the scheduling problem, I don't even have to be in multi-user
mode to notice. Typing and executing commands in single user mode I can
see the scheduling is not fluid. For instance, I can type in and
execute the sync command so fast that I'm finished before the characters
actually get printed and the prompt returns. I don't think it's ever
been more than a one second delay, but sometimes it's been close.
> I suspect a problem with IPC. I will know more soon.
>
> There have also been a few reports of problems related to nice. I was
> able to reproduce some awkward behavior but I have nothing conclusive yet.
>
> There is still a known issue with hyperthreading. I'm waiting on some of
> john baldwin's work to fix this. If you halt logical cpus your machine
> will hang.
>
> Expect some resolution on the ULE problems within a week or so. Thanks
> for the detailed bug reports everyone.
>
Your dedication to FreeBSD is outstanding, I always look forward to
seeing your name in the cvs reports. Thanks for your efforts, Jeff.
> Cheers,
> Jeff
Pete...
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