Hi, I just finished upgrading to today's development tree, and was surprised to see yum bailing out when I tried to clean up the download archives : [... complete yum upgrade ...] Transaction(s) Complete [dude@python2 dude]$ yum clean all Traceback (most recent call last): File "/usr/bin/yum", line 22, in ? import yummain File "/usr/share/yum/yummain.py", line 22, in ? import clientStuff File "/usr/share/yum/clientStuff.py", line 18, in ? import rpm ImportError: /lib/librt.so.1: symbol __librt_multiple_threads, version GLIBC_PRIVATE not defined in file libc.so.6 with link time reference [dude@python2 dude]$ And now I get this : [dude@python2 dude]$ rpm -qa rpm: relocation error: /lib/librt.so.1: symbol __librt_multiple_threads, version GLIBC_PRIVATE not defined in file libc.so.6 with link time reference [dude@python2 dude]$ I've just noticed the problem, now time to investigate some more... Matthias -- Clean custom Red Hat Linux rpm packages : http://freshrpms.net/ Fedora Core release 1.92 (FC2 Test 3) - Linux kernel 2.6.5-1.349 Load : 0.06 0.36 0.45