kern/105768: MSI triggers em0 watchdog failures

[John Baldwin]

On Thursday 23 November 2006 03:31, Joe Marcus Clarke wrote:
> Synopsis: MSI triggers em0 watchdog failures
> 
> Responsible-Changed-From-To: freebsd-bugs->jhb
> Responsible-Changed-By: marcus
> Responsible-Changed-When: Thu Nov 23 08:31:35 UTC 2006
> Responsible-Changed-Why: 
> Over to John to possible MSI blacklist inclusion.
> 
> http://www.freebsd.org/cgi/query-pr.cgi?pr=105768

Please try this which should disable MSI for your machine:

Index: pci.c
===================================================================
RCS file: /usr/cvs/src/sys/dev/pci/pci.c,v
retrieving revision 1.331
diff -u -r1.331 pci.c
--- pci.c	28 Dec 2006 06:14:42 -0000	1.331
+++ pci.c	8 Jan 2007 19:18:38 -0000
@@ -189,6 +201,11 @@
 	 */
 	{ 0x25508086, PCI_QUIRK_DISABLE_MSI,	0,	0 },
 
+	/*
+	 * MSI doesn't work with the Intel E7210 chipset.
+	 */
+	{ 0x25788086, PCI_QUIRK_DISABLE_MSI,	0,	0 },
+
 	{ 0 }
 };
 

-- 
John Baldwin