From owner-freebsd-alpha Fri Dec 15 2:45:48 2000 From owner-freebsd-alpha@FreeBSD.ORG Fri Dec 15 02:45:46 2000 Return-Path: Delivered-To: freebsd-alpha@freebsd.org Received: from finch-post-10.mail.demon.net (finch-post-10.mail.demon.net [194.217.242.38]) by hub.freebsd.org (Postfix) with ESMTP id B9F6637B400 for ; Fri, 15 Dec 2000 02:45:45 -0800 (PST) Received: from nlsys.demon.co.uk ([158.152.125.33] helo=herring.nlsystems.com) by finch-post-10.mail.demon.net with esmtp (Exim 2.12 #1) id 146sMx-0009kj-0A; Fri, 15 Dec 2000 10:45:44 +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 KAA96839; Fri, 15 Dec 2000 10:45:23 GMT (envelope-from dfr@nlsystems.com) Date: Fri, 15 Dec 2000 10:45:23 +0000 (GMT) From: Doug Rabson To: alpha@freebsd.org Cc: Matthew Jacob Subject: Re: mutex/ithread jitters? In-Reply-To: <20001214125105.A9048@dragon.nuxi.com> 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 Thu, 14 Dec 2000, David O'Brien wrote: > On Thu, Dec 14, 2000 at 11:03:36AM -0800, John Baldwin wrote: > > > > > > Since I (and maybe only I :-)) have gotten a 4100 up and running, I've been > > > experiencing the following two behaviours: > ... > > Sounds like lost interrupts. Possibly the interrupt isn't being enabled > > properly after the ithread finishes running the handler. > > This is probably the problem with my AS4100 -- it hangs in probing the > SCSI chain -- just like the PC164's did. My guess is there is something > in your 4100 that helps get off an interrupt at a key moment. > > Does anybody know if DFR's 4100 can run -current? I haven't had time to test it since Matt's last set of fixes. I'll probably have a chance to look at it this weekend. -- 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