--- trunk/installer/include/hwdetection.sh	2010/05/30 18:37:54	1035
+++ trunk/installer/include/hwdetection.sh	2010/05/31 22:03:51	1065
@@ -283,8 +283,15 @@
 # http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=Documentation/fb/uvesafb.txt
 #
 EOF
-		# default config 1024x768 and 60 HZ
-		echo "options uvesafb mode_option=1024x768-32@60 scroll=ywrap" >> ${uvesafb_config}
+		# fix a issues with virtualbox and 'ywrap'
+		if [[ ! -z $(hwinfo --bios | grep -i virtualbox) ]]
+		then
+			# use redraw on virtualbox
+			echo "options uvesafb mode_option=1024x768-32@60 scroll=redraw" >> ${uvesafb_config}
+		else
+			# default config 1024x768 and 60 HZ
+			echo "options uvesafb mode_option=1024x768-32@60 scroll=ywrap" >> ${uvesafb_config}
+		fi
 	fi
 
 	# remove all duplicate modules