SCHED_4BSD in RELENG_7 disturbs workflow

[Patrick Lamaiziere]

Le Tue, 16 Oct 2007 21:14:15 +0200,
"[LoN]Kamikaze" <LoN_Kamikaze at gmx.de> :

> Quite the contrary on RELENG_7. During a portupgrade or even worse
> 'pkgdb -L' (recovering lost dependencies) audio players (both
> graphical and mplayer) scatter, either because they don't get the
> hard-disk or CPU-cycles (which one, I don't know) and the focused
> application also often hangs. It just looks like occasionally (under
> load) everything freezes for a second and then goes on relatively
> normal.

I've got the same problem on 7.0-PRERELEASE/i386. Audio players
scatter when the machine is loaded. On 6.2 it worked fine (with Xorg
7.3 too). With SCHED_ULE it is a lot better.

I put a full dmesg here :
http://user.lamaiziere.net/patrick/dmesg.txt

Regards.