Hi, I have tried to update one of my servers to 5.4. I read the release notes and ran yum clean all followed by yum update glibc\* without any problem, I then ran yum update glibc\* which failed. Resolving Dependencies --> Running transaction check ---> Package python-devel.i386 0:2.4.3-27.el5 set to be updated ---> Package rpm-libs.i386 0:4.4.2.3-18.el5 set to be updated --> Processing Dependency: popt = 1.10.2.3-18.el5 for package: rpm-libs ---> Package python.i386 0:2.4.3-27.el5 set to be updated ---> Package yum-metadata-parser.i386 0:1.1.2-3.el5.centos set to be updated ---> Package rpm-python.i386 0:4.4.2.3-18.el5 set to be updated ---> Package rpm-devel.i386 0:4.4.2.3-18.el5 set to be updated ---> Package yum.noarch 0:3.2.22-20.el5.centos set to be updated ---> Package rpm.i386 0:4.4.2.3-18.el5 set to be updated ---> Package rpm-build.i386 0:4.4.2.3-18.el5 set to be updated --> Running transaction check ---> Package popt.i386 0:1.10.2.3-18.el5 set to be updated *** glibc detected *** /usr/bin/python: free(): invalid pointer: 0x0a98d660 *** *** glibc detected *** /usr/bin/python: double free or corruption (out): 0x092e04c8 *** Now I cannot run yum or rpm to restore the updated glibc packages. Any idea's ? Did I miss something ? Jens