linux-kernel - [Patch] AMD64_EDAC: simple fix to allow better report on ECE CE errors

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Date:	Thu, 17 Sep 2009 19:09:39 -0700
From:	Keith Mannthey <kmannth@...ibm.com>
To:	lkml <linux-kernel@...r.kernel.org>
Cc:	borislav.petkov@....com, dougthompson@...ssion.com
Subject: [Patch] AMD64_EDAC:  simple fix to allow better report on ECE CE
	errors

I tested 2.6.31 and the mainline amd64_edac driver. This is was the
first simple fix.  

This allows the errors to be further decoded and mapped to csrows. 
Tested with ECC debug dimms and an Rev F cpu based system. 

Submitted-by:  Keith Mannthey<kmannth@...ibm.com>
--- 

diff -urN linux-2.6.31/drivers/edac/amd64_edac.c linux-2.6.31-fixed/drivers/edac/amd64_edac.c
--- linux-2.6.31/drivers/edac/amd64_edac.c	2009-09-09 15:13:59.000000000 -0700
+++ linux-2.6.31-fixed/drivers/edac/amd64_edac.c	2009-09-17 22:32:09.000000000 -0700
@@ -1136,7 +1138,7 @@
 	 * different from the node that detected the error.
 	 */
 	src_mci = find_mc_by_sys_addr(mci, SystemAddress);
-	if (src_mci) {
+	if (!src_mci) {
 		amd64_mc_printk(mci, KERN_ERR,
 			     "failed to map error address 0x%lx to a node\n",
 			     (unsigned long)SystemAddress);


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