I made a patch to fix "block failed to stop" problem and/or
"RX CPU self-diagnostics failed!" problem on bge(4).

 Please test and report to me especially if it got worse.

Index: if_bge.c
===================================================================
RCS file: /cvsroot/src/sys/dev/pci/if_bge.c,v
retrieving revision 1.138
diff -u -r1.138 if_bge.c
--- if_bge.c	24 Sep 2007 21:25:45 -0000	1.138
+++ if_bge.c	26 Sep 2007 19:12:30 -0000
@@ -2831,11 +2831,6 @@
 			val |= (1<<29);
 		}
 	}
-	/*
-	 * Write the magic number to the firmware mailbox at 0xb50
-	 * so that the driver can synchronize with the firmware.
-	 */
-	bge_writemem_ind(sc, BGE_SOFTWARE_GENCOMM, BGE_MAGIC_NUMBER);
 
 	/* Issue global reset */
 	bge_writereg_ind(sc, BGE_MISC_CFG, val);
@@ -2884,6 +2879,12 @@
 	}
 
 	/*
+	 * Write the magic number to the firmware mailbox at 0xb50
+	 * so that the driver can synchronize with the firmware.
+	 */
+	bge_writemem_ind(sc, BGE_SOFTWARE_GENCOMM, BGE_MAGIC_NUMBER);
+
+	/*
 	 * Poll the value location we just wrote until
 	 * we see the 1's complement of the magic number.
 	 * This indicates that the firmware initialization

----------------------------------------------------------
		SAITOH Masanobu (masanobu@iij.ad.jp
				  msaitoh@netbsd.org)