From owner-freebsd-current Sat Sep 9 22:23:56 2000 Delivered-To: freebsd-current@freebsd.org Received: from guru.mired.org (zoom0-025.telepath.com [216.14.0.25]) by hub.freebsd.org (Postfix) with SMTP id 0A79837B423 for ; Sat, 9 Sep 2000 22:23:53 -0700 (PDT) Received: (qmail 21250 invoked by uid 100); 10 Sep 2000 05:23:15 -0000 From: Mike Meyer MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <14779.6851.88867.359611@guru.mired.org> Date: Sun, 10 Sep 2000 00:23:15 -0500 (CDT) To: Ben Smithurst Cc: current@FreeBSD.ORG Subject: Re: page fault in sched_ithd In-Reply-To: <20000909210619.F77593@strontium.scientia.demon.co.uk> References: <20000909195525.E77593@strontium.scientia.demon.co.uk> <20000909210619.F77593@strontium.scientia.demon.co.uk> X-Mailer: VM 6.72 under 21.1 (patch 10) "Capitol Reef" XEmacs Lucid X-face: "5Mnwy%?j>IIV\)A=):rjWL~NB2aH[}Yq8Z=u~vJ`"(,&SiLvbbz2W`;h9L,Yg`+vb1>RG% *h+%X^n0EZd>TM8_IB;a8F?(Fb"lw'IgCoyM.[Lg#r\ Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Ben Smithurst writes: > After poking around a bit with remote GDB, this seems to be caused by a > stray IRQ 7, since irq == 7, ir == ithds[irq] == NULL, ir->foo == BOOM. > > The attached rather crude patch has "fixed" the problem for now, but > does anyone have any suggestions for a real fix? Isn't a stray IRQ a hardware glitch? If so, I'd say that logging it and then ignoring it would be the right thing.