Hack: increase the "base" reload wait time to 10 minutes for now.

Til we resolve local multicast issues.  This should be a sitevar, but
don't have time to do all the plumbing, update scripts, etc. right now.
Also not sure if the libosload_new code is right, should the variable
I introduced by global like MAXRETRIES is?

tbsetup/libosload.pm.in

@@ -43,6 +43,10 @@ my $PROJROOT    = "@PROJROOT_DIR@";
 # for the occasional pxeboot failure.
 my $MAXRETRIES  = 1;
 
+# Hack constant factor (slop) to add to the max reload wait time for any node
+# This is set based on testbed-wide factors (like multicast being dog slow!)
+my $TBLOADWAIT  = (10 * 60);
+
 my $OUTERBOSS	    = "@OUTERBOSS_NODENAME@";
 my $osselect	    = "$TB/bin/os_select";
 my $TBUISP	    = "$TB/bin/tbuisp";
@@ -814,7 +818,7 @@ sub GetImageInfo($;$)
     if (!defined($rowref->{'maxloadwait'})) {
 	my $chunks = $imagesize >> 20; # size may be > 2^31, shift is unsigned
 
-	$rowref->{'maxloadwait'} = int((($chunks / 100.0) * 65) + (5 * 60));
+	$rowref->{'maxloadwait'} = int((($chunks / 100.0) * 65) + $TBLOADWAIT;
     }
 
     print STDERR

tbsetup/libosload_new.pm.in

@@ -50,6 +50,13 @@ my $FRISBEE         = "$TB/sbin/frisbee";
 #
 $MAXRETRIES  = 1;
 
+#
+# Hack constant factor (slop) to add to the max reload wait time for any node
+# This is set based on testbed-wide factors (like multicast being dog slow!)
+# XXX should this be exported like MAXRETRIES?
+#
+my $TBLOADWAIT  = (10 * 60);
+
 # Locals
 my $remote_mult     = 5;        # Wait lots longer for remote nodes!
 
@@ -2055,7 +2062,7 @@ sub ComputeMaxLoadWaitTime($$)
 	$maxwait += int(($chunks / 100.0) * 65);
     }
 
-    return $maxwait + (5 * 60);
+    return $maxwait + $TBLOADWAIT;
 }
 
 sub PreSetupReload($$)