From 15d896acbb2c1a9b347ffa8d6e887dbd706dcfc3 Mon Sep 17 00:00:00 2001
From: jdp <jdp@FreeBSD.org>
Date: Fri, 15 Dec 2006 00:27:06 +0000
Subject: Disable bge MSI support for now.  A couple of people warned me that
 there are problems with it on several revisions of this chip.  I'll re-enable
 it after I've sorted out which chip revisions work and which don't.

---
 sys/dev/bge/if_bge.c | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'sys/dev')

diff --git a/sys/dev/bge/if_bge.c b/sys/dev/bge/if_bge.c
index 4022b0b..378f1c2 100644
--- a/sys/dev/bge/if_bge.c
+++ b/sys/dev/bge/if_bge.c
@@ -114,6 +114,12 @@ __FBSDID("$FreeBSD$");
 #define BGE_CSUM_FEATURES	(CSUM_IP | CSUM_TCP | CSUM_UDP)
 #define ETHER_MIN_NOPAD		(ETHER_MIN_LEN - ETHER_CRC_LEN) /* i.e., 60 */
 
+/*
+ * Disable the use of MSI until we sort out on which chip revisions support
+ * it properly.
+ */
+#define BGE_DISABLE_MSI		1
+
 MODULE_DEPEND(bge, pci, 1, 1, 1);
 MODULE_DEPEND(bge, ether, 1, 1, 1);
 MODULE_DEPEND(bge, miibus, 1, 1, 1);
@@ -2143,6 +2149,9 @@ bge_attach(device_t dev)
 	 */
 	if ((msicount = pci_msi_count(dev)) > 1)
 		msicount = 1;
+#ifdef BGE_DISABLE_MSI
+	msicount = 0;
+#endif
 	if (msicount == 1 && pci_alloc_msi(dev, &msicount) == 0) {
 		rid = 1;
 		sc->bge_flags |= BGE_FLAG_MSI;
-- 
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