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Date: Tue, 29 Jun 2010 15:13:03 -0600 From: Jeffrey Merkey <jeffmerkey@...il.com> To: linux-kernel@...r.kernel.org Subject: 2.6.34 Northbridge Chipset Errors on HP Proliant 4 x Opteron in x86_64 mode On a 4 x Opteron HP Proliant Server with a CCISS array controller in x86_64 mode, under very heavy (saturated) disk IO, 2.6.34 reports the following error: Jun 29 02:02:08 kernel: Northbridge Error, node 0, core: 0 Jun 29 02:02:08 kernel: ECC/ChipKill ECC error. Jun 29 02:02:08 kernel: EDAC amd64 MC0: CE ERROR_ADDRESS= 0xc7358280 Jun 29 02:02:08 kernel: EDAC amd64: get_channel_from_ecc_syndrome: error reading F3x180. Jun 29 02:02:08 kernel: EDAC MC0: CE page 0xc7358, offset 0x280, grain 0, syndrome 0xa4c1, row 3, channel 0, label "": amd64_edac Jun 29 02:03:21 kernel: Northbridge Error, node 0 Jun 29 02:03:21 kernel: ECC/ChipKill ECC error. Jun 29 02:03:21 kernel: EDAC amd64 MC0: CE ERROR_ADDRESS= 0xc7358280 Jun 29 02:03:21 kernel: EDAC amd64: get_channel_from_ecc_syndrome: error reading F3x180. Jun 29 02:03:21 kernel: EDAC MC0: CE page 0xc7358, offset 0x280, grain 0, syndrome 0xa4c1, row 3, channel 0, label "": amd64_edac The error is reproduceable by subjecting the server to excessive disk loads > 350 MB/S stream to disk. Jeff -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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