the symbol "~." will introduce exceptions in rcons, and rcons has provided Ctrl+C+. to disconnect from console. so simply remove this symbol.

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@2859 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd

perl-xCAT/xCAT/PPCcli.pm

@@ -543,7 +543,7 @@ sub mkvterm {
     # Give control to the user and intercept
     # the Ctrl-X (\030), and "~." sequences.
     ##########################################
-    my $escape = "\030|~.";
+    my $escape = "\030";
     $ssh->send( "\r" );
     $ssh->interact( \*STDIN, $escape );