On 25 December 2010 07:48, Carl Johnson <ca...@peak.org> wrote: > Alan Cox <alan.l....@gmail.com> writes: > >> On Fri, Dec 24, 2010 at 5:08 PM, Carl Johnson <ca...@peak.org> wrote: >> >>> Alan Cox <alan.l....@gmail.com> writes: >>> >>> > 2010/12/23 Dan Langille <d...@langille.org> >>> > >>> >> On 12/22/2010 9:57 AM, John Baldwin wrote: >>> >> >>> >>> On Wednesday, December 22, 2010 7:41:25 am Miroslav Lachman wrote: >>> >>> >>> >>>> Dec 21 12:42:26 kavkaz kernel: MCA: Bank 0, Status 0xd40e400000000833 >>> >>>> Dec 21 12:42:26 kavkaz kernel: MCA: Global Cap 0x0000000000000105, >>> >>>> Status 0x0000000000000000 >>> >>>> Dec 21 12:42:26 kavkaz kernel: MCA: Vendor "AuthenticAMD", ID 0x40f33, >>> >>>> APIC ID 0 >>> >>>> Dec 21 12:42:26 kavkaz kernel: MCA: CPU 0 COR OVER BUSLG Source DRD >>> >>>> Memory >>> >>>> Dec 21 12:42:26 kavkaz kernel: MCA: Address 0x236493c0 >>> >>>> >>> >>> >>> >>> You are getting corrected ECC errors in your RAM. You see them once an >>> >>> hour >>> >>> because we poll the machine check registers once an hour. If this >>> happens >>> >>> constantly you might have a DIMM that is dying? >>> >>> >>> >> >>> >> John: >>> >> >>> >> I take it these ECC errors *may* have been happening for some time. What >>> >> has changed is the OS now polls for the errors and reports them. >>> >> >>> >> >>> > Yes, we enabled MCA by default in 8.1-RELEASE. >>> >>> Is there some reason that it is only available for i386 and not for >>> amd64? Linux has something called mcelog, for machine check errors, >>> which sounds similar and is available for amd64. >>> >>> >> Perhaps I'm misunderstanding your question, but our MCA driver is supported >> and enabled by default on both i386 and amd64. > > Thanks, it appears that I misunderstood. I ran whereis and found > /usr/src/sbin/mca and didn't find it on my amd64 system. I do see it in > my sysctl listing now that I look there. >
I guess that's designed for ia64 only (at least there's no hw.mca.first on other arches). -- wbr, pluknet _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"
