http://bugzilla.novell.com/show_bug.cgi?id=527800 Summary: enabling xen power mgmt (either =xen or =dom0-kernel) fails; @ non-xen, pwr mgmt ok Classification: openSUSE Product: openSUSE 11.1 Version: Final Platform: x86-64 OS/Version: openSUSE 11.1 Status: NEW Severity: Major Priority: P5 - None Component: Xen AssignedTo: jdouglas@novell.com ReportedBy: pgnet.dev@gmail.com QAContact: qa@suse.de Found By: --- User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9) Gecko/2008052906 Firefox/3.0 FirePHP/0.3 booting into non-xen kernel, uname -ri 2.6.27.25-0.1-default x86_64 (AM setting up power mgmt profile, cpufreq-set --governor performance --cpu 0 cpufreq-set --governor performance --cpu 1 cpufreq-set --governor performance --cpu 2 cpufreq-set --governor performance --cpu 3 checking, cpufreq-info reports for all 4 cores, as expected, cpufrequtils 004: cpufreq-info (C) Dominik Brodowski 2004-2006 Report errors and bugs to http://bugs.opensuse.org, please. analyzing CPU 0: driver: powernow-k8 CPUs which need to switch frequency at the same time: 0 hardware limits: 800 MHz - 2.80 GHz available frequency steps: 2.80 GHz, 2.10 GHz, 1.60 GHz, 800 MHz available cpufreq governors: conservative, userspace, powersave, ondemand, performance current policy: frequency should be within 800 MHz and 2.80 GHz. The governor "performance" may decide which speed to use within this range. current CPU frequency is 2.80 GHz (asserted by call to hardware). ... etc ... also, cat /proc/cpuinfo reports processor : 0 vendor_id : AuthenticAMD cpu family : 16 model : 4 model name : AMD Phenom(tm) II X4 920 Processor stepping : 2 cpu MHz : 2800.000 cache size : 512 KB physical id : 0 siblings : 4 core id : 0 cpu cores : 4 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 sep 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 nopl pni monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt bogomips : 5612.71 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 ... etc ... if i boot into xen, uname -ri 2.6.27.25-0.1-xen x86_64 and following @ http://wiki.xensource.com/xenwiki/xenpm trying to set up xen Dom0-based (1st ...) power management with xen kernel grub options of, kernel /xen.gz ... cpufreq=dom0-kernel ... then, @ Dom0 cpufreq-info i get, cpufrequtils 004: cpufreq-info (C) Dominik Brodowski 2004-2006 Report errors and bugs to http://bugs.opensuse.org, please. analyzing CPU 0: no or unknown cpufreq driver is active on this CPU analyzing CPU 1: no or unknown cpufreq driver is active on this CPU analyzing CPU 2: no or unknown cpufreq driver is active on this CPU analyzing CPU 3: no or unknown cpufreq driver is active on this CPU if i try, instead, kernel /xen.gz ... cpufreq=xen ... @ Dom0 cpufreq-info i still get, cpufrequtils 004: cpufreq-info (C) Dominik Brodowski 2004-2006 Report errors and bugs to http://bugs.opensuse.org, please. analyzing CPU 0: no or unknown cpufreq driver is active on this CPU analyzing CPU 1: no or unknown cpufreq driver is active on this CPU analyzing CPU 2: no or unknown cpufreq driver is active on this CPU analyzing CPU 3: no or unknown cpufreq driver is active on this CPU and, the supposedly now-active xenpm get-scaling-governor returns, xenpm get-scaling-governor Xen cpuidle is not enabled! [CPU0] failed to get P-states statistics information [CPU1] failed to get P-states statistics information [CPU2] failed to get P-states statistics information [CPU3] failed to get P-states statistics information the writing @ xen wiki's a bit tough to follow, but basic implementation in either case should work. also, iiuc, cpuidle is not a prereq (is it?) for hypervisor-based power mgmt, i.e. cpufreg=xen? Reproducible: Always Steps to Reproduce: 1. 2. 3. -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.