Comment 2 for bug 1436320

Here is some information:

dpkg -l|grep percona

ii percona-xtrabackup 2.2.9-5067-1.wheezy amd64 Open source backup tool for InnoDB and XtraDB
ii percona-xtradb-cluster-56 5.6.22-25.8-978.wheezy amd64 Percona XtraDB Cluster with Galera
ii percona-xtradb-cluster-client-5.6 5.6.22-25.8-978.wheezy amd64 Percona XtraDB Cluster database client binaries
/my.cnf)
ii percona-xtradb-cluster-common-5.6 5.6.22-25.8-978.wheezy amd64 Percona XtraDB Cluster database common files (e.g. /etc/mysql
/my.cnf)
ii percona-xtradb-cluster-galera-3 3.9.3494.wheezy amd64 Metapackage for latest version of galera3.
ii percona-xtradb-cluster-galera-3.x 3.9.3494.wheezy amd64 Galera components of Percona XtraDB Cluster
ii percona-xtradb-cluster-server-5.6 5.6.22-25.8-978.wheezy amd64 Percona XtraDB Cluster database server binaries

uname -a

Linux sql1 3.2.0-4-amd64 #1 SMP Debian 3.2.65-1+deb7u1 x86_64 GNU/Linux