Daniele Benedetti wrote: > Hi all, > I've installed the SLC4 64bit from the standard menu installation > using the network at CERN. > I have a standard cern desktop HP dc-5850 with a AMD Phenom X4. > > I discovered that the installed kernel does not support multicore; > this is what I see from /proc/cpuinfo >> [lxcms75] ~ > more /proc/cpuinfo >> processor : 0 >> vendor_id : AuthenticAMD >> cpu family : 16 >> model : 2 >> model name : AMD Phenom(tm) 9600B Quad-Core Processor >> stepping : 3 >> cpu MHz : 2300.000 >> cache size : 512 KB >> fpu : yes >> fpu_exception : yes >> cpuid level : 5 >> wp : yes >> flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr >> pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext >> fxsr_opt pdpe1gb rdtscp lm 3dnowext 3dnow pni monitor cx16 popcnt >> lahf_lm cmp_legacy svm extapic cr8_legacy altmovcr8 abm sse4a >> misalignsse 3dnowprefetch osvw >> bogomips : 4591.29 >> TLB size : 1104 4K pages >> clflush size : 64 >> cache_alignment : 64 >> address sizes : 48 bits physical, 48 bits virtual >> power management: ts ttp tm stc 100mhzsteps hwpstate <NULL> > > This is the kernel installed on my machine: >> [lxcms75] ~ > uname -a >> Linux lxcms75 2.6.9-89.0.7.EL.cern #1 Wed Aug 19 10:01:36 CEST 2009 >> x86_64 x86_64 x86_64 GNU/Linux > or >> [lxcms75] ~ > rpm -qa | grep kernel >> kernel-devel-2.6.9-89.EL.cern >> kernel-module-openafs-2.6.9-89.EL.cern-1.4.8-8.cern >> kernel-module-openafs-2.6.9-89.0.7.EL.cern-1.4.6-3.cern >> kernel-utils-2.4-18.el4 >> kernel-module-openafs-2.6.9-89.0.7.EL.cern-1.4.8-8.cern >> kernel-2.6.9-89.0.7.EL.cern >> kernel-module-openafs-2.6.9-89.EL.cernsmp-1.4.8-8.cern >> kernel-2.6.9-89.EL.cern >> kernel-devel-2.6.9-89.0.7.EL.cern > What I should do to install the 64bit multicore kernel and then modify > the boot kernel?
Install the smp kernel (I do not see it in the above list) yum install kernel-smp.x86_64 kernel-smp-devel.x86_64 If needed modify /etc/grub.conf to make the smp kernel the default kernel. Urs > > thanks, > Daniele
