Date: Mon, 12 Jul 2004 21:27:48 +0200 From: "Arjan van Leeuwen" <avleeuwen@piwebs.com> To: "Ulrich Spoerlein" <q@uni.de>, "Ariff Abdullah" <skywizard@mybsd.org.my> Cc: Robert Watson <rwatson@freebsd.org> Subject: Re: Native preemption is the culprit [was Re: today's CURRENT lockups] Message-ID: <opsa1homcv3qdyu1@localhost> In-Reply-To: <20040712190716.GA787@galgenberg.net> References: <Pine.NEB.3.96L.1040709231313.19581G-100000@fledge.watson.org> <Pine.NEB.3.96L.1040710011206.19581H-100000@fledge.watson.org> <20040710150620.7595b207.skywizard@MyBSD.org.my> <20040712190716.GA787@galgenberg.net>
next in thread | previous in thread | raw e-mail | index | archive | help
On Mon, 12 Jul 2004 21:07:16 +0200, Ulrich Spoerlein <q@uni.de> wrote: > On Sat, 10.07.2004 at 15:06:20 +0800, Ariff Abdullah wrote: >> I'm suspecting bad combination between threaded apps and current >> native preemption, either the preemption itself, or threads. Running >> current kernel without any threaded apps turns up nothing suspicious. >> Once the threaded apps started, it's like sending the entire system to >> the death row. >> >> I'm reverting following files to pre-July 2 to achive solid stability: >> >> sys/sys/interrupt.h - v1.27 >> sys/kern/kern_intr.c - v1.110 >> sys/i386/i386/intr_machdep.c - v1.6 >> sys/kern/sched_ule.c - v1.109 > > I tried to upgrade my kernel from 5.2.1 to -CURRENT and cvsupped > post-preemption. Running a UP-Kernel on a UP-Machine with either > SCHED_ULE or SCHED_BSD froze the machine under heavy load. It doesn't > survive a buildworld or a medium port-build. Same here. > > I tried the revisions above and the machine no longer freezes under > load, but does an instant reboot :( > > Is the machine expected to crash/freeze when running a -CURRENT kernel > on a 5.2R userland? I don't wanna installworld unless I get a rock-solid > kernel, that's in sync with it. This is with an up-to-date world. Arjan -- Using Opera's revolutionary e-mail client: http://www.opera.com/m2/
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?opsa1homcv3qdyu1>