Date: Fri, 20 Jan 2006 15:42:21 -0500 From: John Baldwin <jhb@freebsd.org> To: freebsd-hackers@freebsd.org Cc: Craig Boston <craig@tobuj.gank.org>, Scott Long <scottl@samsco.org> Subject: Re: Weird PCI interrupt delivery problem (resolution, sort of) Message-ID: <200601201542.23464.jhb@freebsd.org> In-Reply-To: <20060120152731.GA5660@nowhere> References: <20060120014307.GA3118@nowhere> <43D07273.6030804@samsco.org> <20060120152731.GA5660@nowhere>
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On Friday 20 January 2006 10:27, Craig Boston wrote: > On Thu, Jan 19, 2006 at 10:17:39PM -0700, Scott Long wrote: > > This points to a bus coherency problem. I wonder if your BIOS is > > incorrectly setting the memory region of the apics as cachable. You'll > > want to bug Baldwin about this. > > I CC-ed him on my post since he was working with me on the problem > before. For some reason the Cc: header got wiped out when it went to > the list (but I checked my server logs and it did deliver a copy of the > message to him). Hmm, well, you can actually try the PAT patch if you are feeling brave as it maps all devices (including APICs) as uncacheable. -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org
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