Description of problem: dmesg says: Processor #1 6:15 APIC version 16 WARNING: NR_CPUS limit of 1 reached. Processor ignored. So the 2nd CPU is unused (!) on this server. Version-Release number of selected component (if applicable): Red Hat Enterprise Linux ES release 4 (Nahant Update 5) 2.6.9-55.EL Trying to install a SMP kernel fails: # up2date --show-available | grep kernel kernel-devel-2.6.9-55.EL.x86_64 kernel-doc-2.6.9-55.EL.noarch kernel-hugemem-devel-2.6.9-5.EL.i686 kernel-ib-1.0-1.x86_64 kernel-largesmp-2.6.9-55.EL.x86_64 kernel-largesmp-devel-2.6.9-55.EL.x86_64 kernel-smp-2.6.9-55.EL.x86_64 kernel-smp-devel-2.6.9-55.EL.x86_64 kernel-xenU-2.6.9-55.EL.x86_64 kernel-xenU-devel-2.6.9-55.EL.x86_64 # up2date kernel-smp-2.6.9-55.EL.x86_64 kernel-smp-devel-2.6.9-55.EL.x86_64 Fetching Obsoletes list for channel: rhel-x86_64-es-4... Fetching Obsoletes list for channel: rhel-x86_64-es-4-extras... Fetching Obsoletes list for channel: rhel-x86_64-es-4-fastrack... Fetching rpm headers... Name Version Rel ---------------------------------------------------------- The following packages you requested were not found: kernel-smp-2.6.9-55.EL.x86_64 kernel-smp-devel-2.6.9-55.EL.x86_64
Olaf, I just tried this on a two RHEL4 installs and it WORKSFORME. Could you verify that /etc/sysconfig/rhn/up2date exists on your system and place the contents of the file in this BZ? Thanks, P.