From owner-freebsd-alpha Sun Sep 24 4:31:27 2000 Delivered-To: freebsd-alpha@freebsd.org Received: from tele-post-20.mail.demon.net (tele-post-20.mail.demon.net [194.217.242.20]) by hub.freebsd.org (Postfix) with ESMTP id BBD1737B424; Sun, 24 Sep 2000 04:31:23 -0700 (PDT) Received: from nlsys.demon.co.uk ([158.152.125.33] helo=herring.nlsystems.com) by tele-post-20.mail.demon.net with esmtp (Exim 2.12 #2) id 13dA09-000GJU-0K; Sun, 24 Sep 2000 11:31:22 +0000 Received: from salmon.nlsystems.com (salmon.nlsystems.com [10.0.0.3]) by herring.nlsystems.com (8.9.3/8.8.8) with ESMTP id MAA66367; Sun, 24 Sep 2000 12:35:24 +0100 (BST) (envelope-from dfr@nlsystems.com) Date: Sun, 24 Sep 2000 12:31:34 +0100 (BST) From: Doug Rabson To: John Baldwin Cc: alpha@freebsd.org Subject: RE: Ithreads kernel weirdness In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-alpha@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Fri, 22 Sep 2000, John Baldwin wrote: > > On 20-Sep-00 John Baldwin wrote: > > I suppose many of you are wondering why there haven't been any > > recent commits of ithreads for the alpha as promised. The reason > > is that I can't get a plain kernel to boot. My test kernel with > > ... > > Ok, status update: I know have an almost fully MI softinterrupt > thread which works fine on UP and SMP i386. It also seems to work > fine with a normal kernel with interrupt threads on the alpha. I > have one last bug to track down (we are grabbing shed_lock with > interrupts disabled at some point late in the sysinit right before > init forks, probably the first time we grab the sched_lock). > Currently my running kernel is hacking around it by always assuming > the saved ipl in a spin mutex is ALPHA_PSL_IPL_0. :-P > > Once I track this last bug down I'll update the alpha.ithreads.patch > so you all can test it and help fine other bugs. We also are still > in need of some low-level PCI interrupt enable/disable code for two > of the PCI chipsets. Does this fix the hang you were seeing before? I'm hoping its the same problem which was hanging the the rawhide when I was trying to get the ithreads changes to dxlpx to work. -- Doug Rabson Mail: dfr@nlsystems.com Phone: +44 20 8348 6160 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message