Date: Mon, 28 Feb 2005 20:59:41 -0800 (PST) From: Doug White <dwhite@gumbysoft.com> To: Takeharu KATO <takeharu1219@ybb.ne.jp> Cc: current@freebsd.org Subject: Re: MCE on AMD64 Message-ID: <20050228205837.Y62607@carver.gumbysoft.com> In-Reply-To: <42215163.1000802@ybb.ne.jp> References: <42210DE2.9060903@ybb.ne.jp> <200502261958.46361.peter@wemm.org> <42215163.1000802@ybb.ne.jp>
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On Sun, 27 Feb 2005, Takeharu KATO wrote: > Hi > > Thank you for your response. > > There is little or no MCE support in either i386 or amd64 kernels. The code > > in i386 has never even been tested, because CR4.MCE was never actually turned > > on. > > > Appearantly, my AMD64 box turn on MCE feature in the CPU. > I will start to try to write MCE feature support functions. Make sure you test your code on a Rioworks HDAMA-based AMD64 if you get the chance. I turned on MCE on our 2.4.25 Linux i386 kernels and they trapped during the boot. Apparently there's something goofy with that board (or Opteron 244 processors?) and MCE. -- Doug White | FreeBSD: The Power to Serve dwhite@gumbysoft.com | www.FreeBSD.org
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