1 files changed, 29 insertions, 1 deletions

diff --git a/audio/aureal-kmod/files/aureal.sh b/audio/aureal-kmod/files/aureal.sh
index 457d513edbbb..fd31863ed662 100644
--- a/audio/aureal-kmod/files/aureal.sh
+++ b/audio/aureal-kmod/files/aureal.sh
@@ -1,5 +1,8 @@
 #!/bin/sh
-
+#---------------------------------------------------------------------
+# 
+#  I. Auto-detection of your Aureal Vortex sound card
+#
 # If for some reason this script fails to guess the type of your
 # Aureal card correctly, you can manually override it here.
 # Set this to 8810 (Vortex Advantage), 8820 (Vortex 1) or 8830
@@ -7,6 +10,15 @@
 #
 #CARD=8830
 #
+# II. VIA Apollo KX133 lock-up issue workaround
+#
+# If your AMD Athlon system is based on a VIA Apollo KX133 motherboard
+# chipset, your system will most certainly lock up shortly after
+# you start a playback. To work around this issue please uncomment
+# this line:
+#
+#VIAKX133FIX=yes
+#---------------------------------------------------------------------
 
 PCICONF="/usr/sbin/pciconf"
 
@@ -39,7 +51,22 @@ case "$1" in
 			exit 64
 		fi
 		/sbin/kldload ${LIBDIR}/${DRIVERFILE}
+		
 		echo -n " aureal-kmod"
+
+		# Increase PCI timeout for broken VIA Apollo KX133 chipsets
+		# NOTE: This assumes your Aureal card is the pcm0 device
+		if [ "$VIAKX133FIX" ]; then
+			pcisel=`${PCICONF} -l 2>&- | grep ^pcm0 | awk -F: '{ gsub("^[^@]*@", ""); print $1":"$2":"$3 }'`
+			if [ -z "$pcisel" ]; then
+				echo " (WARNING: Soundcard PCI selector undetermined. Unable to install VIA KX133 workaround. Starting a playback will likely to lock-up your system!)"
+				exit 64
+			fi
+			oldvalue=`${PCICONF} -r -b $pcisel 0x40 2>&- | sed 's/ *$//'`
+			echo -n " (with VIA KX133 workaround: ${pcisel},0x40: ${oldvalue} -> "
+			${PCICONF} -w -b $pcisel 0x40 0xff
+			echo -n "`${PCICONF} -r -b $pcisel 0x40 2>&- | sed 's/ *$//'`)"
+		fi
 		;;
 	stop)
 		/sbin/kldunload ${DRIVERFILE}
@@ -52,3 +79,4 @@ case "$1" in
 		exit 64
 		;;
 esac
+