https://bugzilla.novell.com/show_bug.cgi?id=675161 https://bugzilla.novell.com/show_bug.cgi?id=675161#c40 --- Comment #40 from Graham Anderson <graham@andtech.eu> 2011-09-26 23:44:11 UTC --- (In reply to comment #39)
so with intel_idle.max_cstate=0, there is nothing under /sys/devices/system/cpu/cpu0/cpuidle ?
Yes nothing, with intel_idle.max_cstate=0 cpuidle only appears under /sys/devices/system/cpu/cpuidle mercury:~ # tree /sys/devices/system/cpu/cpuidle /sys/devices/system/cpu/cpuidle ├── current_driver └── current_governor_ro mercury:~ # tree /sys/devices/system/cpu/cpu0 /sys/devices/system/cpu/cpu0 ├── cache │ ├── index0 │ │ ├── coherency_line_size │ │ ├── level │ │ ├── number_of_sets │ │ ├── physical_line_partition │ │ ├── shared_cpu_list │ │ ├── shared_cpu_map │ │ ├── size │ │ ├── type │ │ └── ways_of_associativity │ ├── index1 │ │ ├── coherency_line_size │ │ ├── level │ │ ├── number_of_sets │ │ ├── physical_line_partition │ │ ├── shared_cpu_list │ │ ├── shared_cpu_map │ │ ├── size │ │ ├── type │ │ └── ways_of_associativity │ ├── index2 │ │ ├── coherency_line_size │ │ ├── level │ │ ├── number_of_sets │ │ ├── physical_line_partition │ │ ├── shared_cpu_list │ │ ├── shared_cpu_map │ │ ├── size │ │ ├── type │ │ └── ways_of_associativity │ └── index3 │ ├── coherency_line_size │ ├── level │ ├── number_of_sets │ ├── physical_line_partition │ ├── shared_cpu_list │ ├── shared_cpu_map │ ├── size │ ├── type │ └── ways_of_associativity ├── crash_notes ├── microcode │ ├── processor_flags │ ├── reload │ └── version ├── node0 -> ../../node/node0 ├── thermal_throttle │ └── core_throttle_count └── topology ├── core_id ├── core_siblings ├── core_siblings_list ├── physical_package_id ├── thread_siblings └── thread_siblings_list However, if I successfully boot with intel_idle.max_cstate=1 then info _does_ appear under /sys/devices/system/cpu/cpu0/cpuidle
Is the default BIOS SETUP configuration being used?
No, memory profile is manually configured. CPU, QPI, BCLK & PCI bus are all set to Auto. No voltage tweaks.
Are there any BIOS SETUP options for processor power management related to C-states?
The following options are available and are set as follows, CPU Enhanced Halt(C1E): Auto C3/C6/C7 State Support: Auto CPU EIST Function: Auto Other options in the same section are: Intel(R) Turbo Boost Tech.: Auto CPU Cores Enabled: All CPU Multi-Threading: Enable Bi-Directional PROCHOT: Enable I will reset BIOS to default and/or fail-safe and try again. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.