centos 6 google cannt start

[qibaoyuan@localhost 桌面]$ google-chrome
/usr/bin/google-chrome: /lib/libz.so.1: no version information available (required by /usr/bin/google-chrome)
/usr/bin/google-chrome: /lib/libz.so.1: no version information available (required by /usr/bin/google-chrome)
/opt/google/chrome/chrome: /lib/libz.so.1: no version information available (required by /opt/google/chrome/chrome)
/opt/google/chrome/chrome: /lib/libz.so.1: no version information available (required by /opt/google/chrome/chrome)
/opt/google/chrome/chrome: error while loading shared libraries: cannot restore segment prot after reloc: Permission denied

solution:

1.  ln -s /lib/libbz2.so.1 /opt/google/chrome/libbz2.so.1.0

2. chcon -t usr_t /opt/google/chrome/chrome-sandbox