Description of problem: I'm not able to create a virtual machine on an AMD Opteron 4x12 system. Both GUI and CLI installation methods produce the error message "internal error Process exited while reading console log output: libvir: error : cannot set CPU affinity on process 0: Invalid argument". This happens on both 2.6.33 and 2.6.34 kernels. Version-Release number of selected component (if applicable): Latest How reproducible: Always Steps to Reproduce: 1. Run a command like virt-install --connect qemu:///system -n CentOS -r 1024 --vcpus=2 -f ~/vm10.qcow2 -s 12 -c ~cheiny/downloads/centos/CentOS-5.5-x86_64-bin-DVD/CentOS-5.5-x86_64-bin-DVD-1of2.iso --vnc --noautoconsole --os-type linux --accelerate --hvm 2. 3. Actual results: See the error message above. Expected results: A virtual machine is created. Additional info: [root@kolsch ~]# uname -a Linux kolsch.synaptics.com 2.6.33.3-85.fc13.x86_64 #1 SMP Thu May 6 18:09:49 UTC 2010 x86_64 x86_64 x86_64 GNU/Linux [root@kolsch ~]# head -25 /proc/cpuinfo processor : 0 vendor_id : AuthenticAMD cpu family : 16 model : 9 model name : AMD Opteron(tm) Processor 6174 stepping : 1 cpu MHz : 2200.329 cache size : 512 KB physical id : 0 siblings : 12 core id : 0 cpu cores : 12 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 5 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc rep_good nonstop_tsc extd_apicid amd_dcm pni monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt nodeid_msr bogomips : 4400.64 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm stc 100mhzsteps hwpstate
If you use '--cpuset=auto' then it is created and can be run. However I think you then need to change the pinning, since it might not be optimal. I don't know how to specify this option from the virt-manager GUI.
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Closing since F13 is going EOL. please reopen if anyone can reproduce with a newer fedora