CentOS 6.2 + GNU gdb (GDB) Red Hat Enterprise Linux (7.2-50.el6) When I debug a simple c++ code with GDB, I saw the following warning: Missing separate debuginfos, use: debuginfo-install glibc-2.12-1.47.el6_2.9.i686 libgcc-4.4.6-3.el6.i686 libstdc++-4.4.6-3.el6.i686 I have tried the following methods and none of them fix the problems: Search SO yum install glibc debuginfo-install glibc-2.12-1.47.e