Date: Wed, 07 Jul 2004 19:32:39 +0300 From: Niki Denev <nike_d@cytexbg.com> To: Gleb Smirnoff <glebius@cell.sick.ru> Cc: cvs-all@freebsd.org Subject: Re: cvs commit: src/sys/kern sched_ule.c Message-ID: <cone.1089217959.659982.586.1001@phobos.totalterror.net> References: <20040707155348.GC75364@cell.sick.ru> <Pine.NEB.3.96L.1040707120618.37929B-100000@fledge.watson.org> <20040707161049.GA75603@cell.sick.ru>
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This is a MIME GnuPG-signed message. If you see this text, it means that your E-mail or Usenet software does not support MIME signed messages. --=_mimegpg-phobos.totalterror.net-586-1089217959-0001 Content-Type: text/plain; format=flowed; charset="US-ASCII" Content-Disposition: inline Content-Transfer-Encoding: 7bit Gleb Smirnoff writes: > On Wed, Jul 07, 2004 at 12:06:34PM -0400, Robert Watson wrote: > R> > J> > Modified files: > R> > J> > sys/kern sched_ule.c > R> > J> > Log: > R> > J> > Temporarily disable preemption in SCHED_ULE due to reported panics and > R> > J> > hangs due to recent preemption changes. This change appears to remove > R> > J> > the panic that I was running into, but at the cost of increasing > R> > J> > ithread scheduling latency, and as such is a temporary band-aid until > R> > J> > jhb has a chance to resolve the ule<->preemption interaction that is > R> > J> > the source of the problem. If it doesn't fix the problem for others-- > R> > J> > sorry! > R> > J> > R> > J> It it just broken on SMP? I actually did the commit from a UP preemption > R> > J> kernel using SCHED_ULE from within X11 with KDE, etc. running. > R> > > R> > it is broken on UP, too. See thread in -current. > R> > R> An SMP kernel on a UP system, or a UP kernel on a UP system? > > UP kernel on a UP system > > -- > Totus tuus, Glebius. > GLEBIUS-RIPN GLEB-RIPE Well, i'm running UP kernel (and without APIC) on UP machine (Laptop IBM TP X31), cvsupped on 5-th, 2 days ago. With SCHED_ULE, and i have not experienced any signs of instability... not a single panic :) -- niki --=_mimegpg-phobos.totalterror.net-586-1089217959-0001 Content-Type: application/pgp-signature Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (FreeBSD) iD8DBQBA7CWnHNAJ/fLbfrkRAuZaAJ9VQnR+u5ZmhMINFrdair1Kir/JbACfQGe2 4t04ofZPV8yNKNFrmjh2zsA= =G0mO -----END PGP SIGNATURE----- --=_mimegpg-phobos.totalterror.net-586-1089217959-0001--
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