Try to reproduce it with same configuration but unable to do it. root@localhost:~# lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 12.04 LTS Release: 12.04 Codename: precise root@localhost:~# uname -a Linux nilnandan-VirtualBox 3.2.0-23-generic #36-Ubuntu SMP Tue Apr 10 20:39:51 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux root@localhost:~# root@localhost:~# apt-get install percona-server-server-5.5 percona-server-client-5.5 Reading package lists... Done Building dependency tree Reading state information... Done The following extra packages will be installed: libaio1 libdbd-mysql-perl libdbi-perl libmysqlclient18 libnet-daemon-perl libplrpc-perl percona-server-common-5.5 Suggested packages: tinyca The following NEW packages will be installed: libaio1 libdbd-mysql-perl libdbi-perl libmysqlclient18 libnet-daemon-perl libplrpc-perl percona-server-client-5.5 percona-server-common-5.5 percona-server-server-5.5 0 upgraded, 9 newly installed, 0 to remove and 581 not upgraded. Need to get 31.6 MB/32.5 MB of archives. After this operation, 114 MB of additional disk space will be used. Do you want to continue [Y/n]? y Get:1 http://repo.percona.com/apt/ precise/main libmysqlclient18 amd64 1:5.5.33-rel31.1-566.precise [840 kB] Get:2 http://in.archive.ubuntu.com/ubuntu/ precise/main libdbd-mysql-perl amd64 4.020-1build2 [106 kB] Get:3 http://repo.percona.com/apt/ precise/main percona-server-common-5.5 amd64 1:5.5.33-rel31.1-566.precise [2,748 B] Get:4 http://repo.percona.com/apt/ precise/main percona-server-client-5.5 amd64 1:5.5.33-rel31.1-566.precise [8,496 kB] Get:5 http://repo.percona.com/apt/ precise/main percona-server-server-5.5 amd64 1:5.5.33-rel31.1-566.precise [22.2 MB] Fetched 31.6 MB in 1min 27s (359 kB/s) Preconfiguring packages ... Selecting previously unselected package libaio1. (Reading database ... 141891 files and directories currently installed.) Unpacking libaio1 (from .../libaio1_0.3.109-2ubuntu1_amd64.deb) ... Selecting previously unselected package libmysqlclient18. Unpacking libmysqlclient18 (from .../libmysqlclient18_1%3a5.5.33-rel31.1-566.precise_amd64.deb) ... Selecting previously unselected package libnet-daemon-perl. Unpacking libnet-daemon-perl (from .../libnet-daemon-perl_0.48-1_all.deb) ... Selecting previously unselected package libplrpc-perl. Unpacking libplrpc-perl (from .../libplrpc-perl_0.2020-2_all.deb) ... Selecting previously unselected package libdbi-perl. Unpacking libdbi-perl (from .../libdbi-perl_1.616-1build2_amd64.deb) ... Selecting previously unselected package libdbd-mysql-perl. Unpacking libdbd-mysql-perl (from .../libdbd-mysql-perl_4.020-1build2_amd64.deb) ... Selecting previously unselected package percona-server-common-5.5. Unpacking percona-server-common-5.5 (from .../percona-server-common-5.5_1%3a5.5.33-rel31.1-566.precise_amd64.deb) ... Selecting previously unselected package percona-server-client-5.5. Unpacking percona-server-client-5.5 (from .../percona-server-client-5.5_1%3a5.5.33-rel31.1-566.precise_amd64.deb) ... Selecting previously unselected package percona-server-server-5.5. Unpacking percona-server-server-5.5 (from .../percona-server-server-5.5_1%3a5.5.33-rel31.1-566.precise_amd64.deb) ... Processing triggers for install-info ... install-info: warning: no info dir entry in `/usr/share/info/mysql.info.gz' Processing triggers for man-db ... Processing triggers for ureadahead ... Setting up libaio1 (0.3.109-2ubuntu1) ... Setting up libmysqlclient18 (1:5.5.33-rel31.1-566.precise) ... Setting up libnet-daemon-perl (0.48-1) ... Setting up libplrpc-perl (0.2020-2) ... Setting up libdbi-perl (1.616-1build2) ... Setting up libdbd-mysql-perl (4.020-1build2) ... Setting up percona-server-common-5.5 (1:5.5.33-rel31.1-566.precise) ... Setting up percona-server-client-5.5 (1:5.5.33-rel31.1-566.precise) ... Setting up percona-server-server-5.5 (1:5.5.33-rel31.1-566.precise) ... * Stopping MySQL (Percona Server) mysqld [ OK ] 130903 11:13:15 [Note] Plugin 'FEDERATED' is disabled. 130903 11:13:15 InnoDB: The InnoDB memory heap is disabled 130903 11:13:15 InnoDB: Mutexes and rw_locks use GCC atomic builtins 130903 11:13:15 InnoDB: Compressed tables use zlib 1.2.3 130903 11:13:15 InnoDB: Using Linux native AIO 130903 11:13:15 InnoDB: Initializing buffer pool, size = 128.0M 130903 11:13:15 InnoDB: Completed initialization of buffer pool 130903 11:13:15 InnoDB: highest supported file format is Barracuda. 130903 11:13:16 InnoDB: Waiting for the background threads to start 130903 11:13:17 Percona XtraDB (http://www.percona.com) 5.5.33-rel31.1 started; log sequence number 1597945 130903 11:13:17 InnoDB: Starting shutdown... 130903 11:13:21 InnoDB: Shutdown completed; log sequence number 1597945 * Percona Server is distributed with several useful UDF (User Defined Function) from Percona Toolkit. * Run the following commands to create these functions: mysql -e "CREATE FUNCTION fnv1a_64 RETURNS INTEGER SONAME 'libfnv1a_udf.so'" mysql -e "CREATE FUNCTION fnv_64 RETURNS INTEGER SONAME 'libfnv_udf.so'" mysql -e "CREATE FUNCTION murmur_hash RETURNS INTEGER SONAME 'libmurmur_udf.so'" * See http://www.percona.com/doc/percona-server/5.5/management/udf_percona_toolkit.html for more details * Starting MySQL (Percona Server) database server mysqld [ OK ] * Checking for corrupt, not cleanly closed and upgrade needing tables. Processing triggers for libc-bin ... ldconfig deferred processing now taking place root@localhost:~# root@localhost:~# When I have tried to install through repo, I got 5.5.33 version. There might be a problem with 5.5.32. Can you please try again with 5.5.33 version?