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Date:      Tue, 4 Feb 2003 21:58:59 -0800
From:      Kris Kennaway <kris@obsecurity.org>
To:        Steve Kargl <sgk@troutmask.apl.washington.edu>
Cc:        Kris Kennaway <kris@obsecurity.org>, jeff@FreeBSD.ORG, current@FreeBSD.ORG
Subject:   Re: SCHED_ULE and priorities
Message-ID:  <20030205055859.GA7732@rot13.obsecurity.org>
In-Reply-To: <20030205055423.GA36477@troutmask.apl.washington.edu>
References:  <20030205053818.GA7582@rot13.obsecurity.org> <20030205055423.GA36477@troutmask.apl.washington.edu>

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On Tue, Feb 04, 2003 at 09:54:23PM -0800, Steve Kargl wrote:
> On Tue, Feb 04, 2003 at 09:38:18PM -0800, Kris Kennaway wrote:
> > I just booted a kernel with SCHED_ULE.  It looks like there's a pretty
> > serious bug:
> >=20
> >   PID USERNAME PRI NICE   SIZE    RES STATE    TIME   WCPU    CPU COMMA=
ND
> >   573 dnetc    139   20  1000K   804K RUN      1:29 85.94% 85.94% dnetc
> >   661 kris      96    0  2252K  1496K RUN      0:00  6.25%  6.25% top
> >   590 root      96    0 28620K 28128K select   0:04  3.12%  3.12% XFree=
86
> >   641 root     120    0  4856K  4744K RUN      0:03  3.12%  3.12% make
> > =20
> > The make you see there was a 'make -j4' in /usr/src/secure.  It has
> > been sitting there for about 5 minutes having done nothing other than:
> >=20
>=20
> Kris,
>=20
> How older is your src/ directory?  I reported a similar
> problem to Jeff right after he committed ULE.  He
> "fixed" the problem a couple days laters.  I put "fixed"
> in quotes because after his fixes the system experienced
> 2 stalls under heavy load, but I couldn't prove it was
> ULE related (David Xu's KSE commit may have been involved
> in the stalls).

I cvsupped and built kernel tonight.

Kris

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