Re: Sched_Ule

I ran with SCHED_ULE for a couple days recently and had trouble beyond just 
sluggishness. When doing really intensive tasks such as buildworld or 
installworld, the computer would actually stall. The first time was 
immediately after booting single user after building the world and kernel. I 
started and installworld, and it hung there until I did a hard reset. 
Horrible timing for it, but such is life. Later (after I fixed the damage 
from the partial install) it hung when doing my buildworld, so I booted up 
on a different (SCHED_4BSD) kernel to do the buildworld (subsequently 
switching back to SCHED_4BSD). If you want any particulars about my system 
just let me know.
--
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: Scott Sipe <css3_at_duke.edu>
>To: current_at_freebsd.org
>Subject: Sched_Ule
>Date: Thu, 9 Oct 2003 00:28:59 -0400 (EDT)
>
>
>Hi,
>
>I see some posts from late Sept about people having issues with SCHED_ULE.
>I just wanted to add in that I am having the exact same problems.  In
>short:
>
>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).
>
>I rebuilt my kernel today (running yesterday's world) with SCHED_4BSD
>instead, and things are much better.  System is much much more responsive.
>
>If there's any tests I can run, or anyone I should talk to, I'd love to be
>of assistance,
>
>thanks much,
>Scott
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