Re: Sched_Ule

How many of the people experiencing SCHED_ULE related problems (primarily 
lagging) are also using nvidia-driver? I know I am, and I'm pretty sure 
Arjan is. Could there be a connection?
--
Evan Dower
Undergraduate, Computer Science
University of Washington
Public key: http://students.washington.edu/evantd/pgp-pub-key.txt
Key fingerprint = D321 FA24 4BDA F82D 53A9  5B27 7D15 5A4F 033F 887D




>From: Arjan van Leeuwen <avleeuwen_at_piwebs.com>
>To: Jeff Roberson <jroberson_at_chesapeake.net>,Sheldon Hearn 
><sheldonh_at_starjuice.net>
>CC: current_at_freebsd.org
>Subject: Re: Sched_Ule
>Date: Thu, 9 Oct 2003 23:36:48 +0200
>
>On Thursday 09 October 2003 22:57, Jeff Roberson wrote:
> > On Thu, 9 Oct 2003, Sheldon Hearn wrote:
> > > On (2003/10/09 00:28), Scott Sipe wrote:
> > > > Anything that seems disk intensive: bzip2 (unbzip2ing one big file
> > > > makes this happen), making world, building ports, etc makes my X
> > > > environment practically unusable.  Mouse stutters, reaction times is
> > > > very slow, feels 10x more sluggish than normal.  (I'm running KDE if
> > > > anyone is curious).
> > >
> > > A number of us are seeing this problem, and not all of us are entry
> > > level end-users.  I'm using a single PIII with 1GB of RAM and maxusers
> > > 0.  No Hyper-threading, nothing interesting in the kernel (apart from
> > > I686_CPU only, KTRACE and _KPOSIX_PRIORITY_SCHEDULING).
> > >
> > > The problem (as I recall) is that Jeff hasn't received reports from
> > > people who can dig into the problem and have the time to do so.
> > >
> > > For example, I'm pretty sure I could at least point a finger at the
> > > problem if I had time.  But I'm under heavy pressure, and so the only
> > > solution that's feasible for me is to just switch to SCHED_4BSD and 
>keep
> > > moving.
> > >
> > > What surprises me is that Jeff can't reproduce it.
> > >
> > > For me, the sluggish mouse problem manifests under these conditions:
> > >
> > > 1) Use a USB mouse, not a PS2 mouse.
> >
> > Is this _only_ with usb?
>
>Hi Jeff,
>
>I have the same problem, but with a PS2 mouse. I've never tried an USB 
>mouse
>on this system. I've seen this behavior on at least 4 systems now myself,
>fast and slow systems (my own workstation is an Athlon XP 2000+, 512MB 
>RAM).
>It must be possible for you to reproduce this behavior.
>
>I've seen the lagging mouse on many occasions, always when my system was 
>under
>high load. It's very difficult to pinpoint though; for example, if I'm
>building a port, I only notice the lagging for small periods of time during
>the build (sometimes I don't see it for 5 minutes, then suddenly it lags 
>for
>about 3 seconds). Most of the time, it doesn't even bother me.
>
>One of the places it _always_ happens, is when I log out of GNOME 2.4. The
>background fades to a darker color, and during the fade, I experience the
>mouse lag.
>
>Can you reproduce this? Maybe you have some hints for me, some things I can
>try to find out more about this problem?
>
>Arjan
>
>_______________________________________________
>freebsd-current_at_freebsd.org mailing list
>http://lists.freebsd.org/mailman/listinfo/freebsd-current
>To unsubscribe, send any mail to "freebsd-current-unsubscribe_at_freebsd.org"

_________________________________________________________________
Frustrated with dial-up? Get high-speed for as low as $29.95/month 
(depending on the local service providers in your area).  
https://broadband.msn.com