Date: Wed, 15 Feb 2012 00:11:22 +0900 (JST) From: TAKAHASHI Yoshihiro <nyan@FreeBSD.org> To: jhb@freebsd.org Cc: current@freebsd.org Subject: Re: MCA UNCOR error Message-ID: <20120215.001122.932491896825562262.nyan@FreeBSD.org> In-Reply-To: <201202140909.33894.jhb@freebsd.org> References: <201202131308.48171.jhb@freebsd.org> <20120214.215750.343708041257791038.nyan@FreeBSD.org> <201202140909.33894.jhb@freebsd.org>
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In article <201202140909.33894.jhb@freebsd.org> John Baldwin <jhb@freebsd.org> writes: >> >> I get the following error and kernel panic on my pc98 at the boot time. >> >> >> >> MCA: Bank 2, Status 0xb600000000140000 >> >> MCA: Global Cap 0x0000000000000005, Status 0x0000000000000004 >> >> MCA: Vendor "GenuineIntel", ID 0x616, APIC ID 0 >> >> MCA: CPU 0 UNCOR PCC no error >> >> MCA: Address 0x3446ff003446ff >> >> >> >> When I disable MCA with hw.mca.enabled=0 on loader prompt, the machine >> >> works fine. Does it mean my pc98 is broken? Or other isssue? >> > >> > Interesting, that is odd to get an error with no error code. >> > >> > Can you tell from the stack trace if your CPU actually raised a machine check >> > exception (trap 28)? >> >> I tested with debugger enabled kernel. >> Please get from: >> http://home.jp.freebsd.org/~nyan/mca-error1.jpg >> http://home.jp.freebsd.org/~nyan/mca-error2.jpg >> (Sorry for jpeg images) > > Humm. Try this: Thanks. But it still panics. http://home.jp.freebsd.org/~nyan/mca-error3.jpg http://home.jp.freebsd.org/~nyan/mca-error4.jpg http://home.jp.freebsd.org/~nyan/mca-error5.jpg --- TAKAHASHI Yoshihiro <nyan@FreeBSD.org>
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