>Submitter-Id:	current-users
>Originator:	Kurt Jaeger
>Organization:	-
>Confidential:	no
>Synopsis:	[patch] AsusPC EeePC ath0 (AR9285) resets interface too often
>Severity:	non-critical
>Priority:	low
>Category:	kern
>Class:		sw-bug
>Release:	FreeBSD 8.1-RELEASE i386
>Environment:
System: FreeBSD ndog.opsec.eu 8.1-RELEASE FreeBSD 8.1-RELEASE #1: Wed Jul 28 16:23:34 CEST 2010 pi@ndog.opsec.eu:/usr/src/sys/i386/compile/GENERIC i386


>Description:
	wlan driver ath0/wlan0 resets interface on AR9285 too often
>How-To-Repeat:
	/var/log/messages contains many lines of
Jul 28 14:27:47 ndog kernel: ath0: bb hang detected (0x80), reseting
Jul 28 14:28:59 ndog kernel: ath0: bb hang detected (0x80), reseting
Jul 28 14:29:04 ndog kernel: ath0: bb hang detected (0x80), reseting
>Fix:

Apply the patch and recompile the kernel and reboot.

--- sys/dev/ath/if_ath.c-orig	2010-07-26 09:41:09.000000000 +0200
+++ sys/dev/ath/if_ath.c	2010-07-26 09:48:10.000000000 +0200
@@ -1477,7 +1477,7 @@
 
 	if (ath_hal_gethangstate(sc->sc_ah, 0xff, &hangs) && hangs != 0) {
 		if_printf(ifp, "bb hang detected (0x%x), reseting\n", hangs); 
-		ath_reset(ifp);
+		/* ath_reset(ifp); */
 	} else
 		ieee80211_beacon_miss(ifp->if_l2com);
 }