Date: Sat, 6 Nov 2010 17:09:39 +0100 From: Thomas Zander <thomas.e.zander@googlemail.com> To: freebsd-stable <freebsd-stable@freebsd.org> Subject: Re: How to tell whether ECC (memory) is enabled? Message-ID: <AANLkTikfavqjci-=RdOfT9MzQKY=Se0LPR5Rr-tNr-ME@mail.gmail.com> In-Reply-To: <201011051721.05898.jhb@freebsd.org> References: <AANLkTiktf5Ls1RRLgUcu2MpK8ymKaDBf=qp%2BiGAp2fx2@mail.gmail.com> <201011051721.05898.jhb@freebsd.org>
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On Fri, Nov 5, 2010 at 22:21, John Baldwin <jhb@freebsd.org> wrote: >> During POST, die BIOS also tells me that ECC memory is installed, so >> far so good. But I was a little surprised that the FreeBSD kernel >> tells me absolutely nothing about it. Or do I have to tune loader.conf >> variables? > > I think the EDAC register is using the registers for the QPI PCI buses. > There is a driver now to export those PCI buses to the OS in 7.x+. =A0How= ever, > someone would need to port the EDAC driver (or something similar) to work > with those devices. I see. Thanks for clarification! This means for now I have to trust the BIOS that ECC is enabled and I should see MCA reports in the dmesg output once a bit error is detected? Riggs
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