https://bugzilla.kernel.org/show_bug.cgi?id=16072 Summary: [HP Pavilion dm1-1110ev] Cpufreq doesn't work at all ( Intel Celeron U2300 ) Product: Power Management Version: 2.5 Kernel Version: 2.6.34 Platform: All OS/Version: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: cpufreq AssignedTo: cpufreq@xxxxxxxxxxxxxxx ReportedBy: hwoarang@xxxxxxxxxx CC: kernel@xxxxxxxxxx Regression: No Created an attachment (id=26570) --> (https://bugzilla.kernel.org/attachment.cgi?id=26570) kernel config Hi Cpufreq kernel driver doesn't work for this laptop/cpu at all. 1)CONFIG_CPU_FREQ is compiled in kernel: CONFIG_CPU_FREQ=y CONFIG_CPU_FREQ_TABLE=y CONFIG_CPU_FREQ_DEBUG=y CONFIG_CPU_FREQ_STAT=y CONFIG_CPU_FREQ_STAT_DETAILS=y # CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set # CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE is not set # CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y # CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE is not set CONFIG_CPU_FREQ_GOV_PERFORMANCE=y CONFIG_CPU_FREQ_GOV_POWERSAVE=y CONFIG_CPU_FREQ_GOV_USERSPACE=y CONFIG_CPU_FREQ_GOV_ONDEMAND=y CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y 2)cpu-info show no result cpufrequtils 007: cpufreq-info (C) Dominik Brodowski 2004-2009 Report errors and bugs to cpufreq@xxxxxxxxxxxxxxx, please. analyzing CPU 0: no or unknown cpufreq driver is active on this CPU maximum transition latency: 4294.55 ms. analyzing CPU 1: no or unknown cpufreq driver is active on this CPU maximum transition latency: 4294.55 ms. 3)cat /proc/cpufinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 23 model name : Genuine Intel(R) CPU U2300 @ 1.20GHz stepping : 10 cpu MHz : 1199.932 cache size : 1024 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 2 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm xsave lahf_lm tpr_shadow vnmi flexpriority bogomips : 2399.86 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 23 model name : Genuine Intel(R) CPU U2300 @ 1.20GHz stepping : 10 cpu MHz : 1199.932 cache size : 1024 KB physical id : 0 siblings : 2 core id : 1 cpu cores : 2 apicid : 1 initial apicid : 1 fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm xsave lahf_lm tpr_shadow vnmi flexpriority bogomips : 2400.03 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: 4) powertop -d output PowerTOP 1.11 (C) 2007, 2008 Intel Corporation Collecting data for 15 seconds Cn Avg residency C0 (cpu running) ( 0,1%) polling 0,0ms ( 0,0%) C1 mwait 54,6ms (50,1%) C4 mwait 2,1ms (49,8%) P-states (frequencies) Wakeups-from-idle per second : 241,9 interval: 15,0s no ACPI power usage estimate available Top causes for wakeups: 46,4% ( 20,9) <kernel core> : hrtimer_start (tick_sched_timer) 22,1% ( 9,9) phy0 : __mod_timer (ath_ani_calibrate) 11,1% ( 5,0) <kernel core> : __mod_timer (cursor_timer_handler) 8,9% ( 4,0) <kernel core> : __mod_timer (rh_timer_func) 5,2% ( 2,3) <kernel core> : hrtimer_start_range_ns (tick_sched_timer) 2,1% ( 0,9) phy0 : queue_delayed_work (delayed_work_timer_fn) 0,6% ( 0,3) <interrupt> : ahci 0,4% ( 0,2) <kernel core> : __mod_timer (dev_watchdog) 0,4% ( 0,2) <kernel core> : __mod_timer (sync_supers_timer_fn) 0,4% ( 0,2) events/0 : queue_delayed_work (delayed_work_timer_fn) 0,4% ( 0,2) init : hrtimer_start_range_ns (hrtimer_wakeup) 0,3% ( 0,1) wpa_supplicant : hrtimer_start_range_ns (hrtimer_wakeup) 0,3% ( 0,1) NetworkManager : hrtimer_start_range_ns (hrtimer_wakeup) 0,3% ( 0,1) bdi-default : __mod_timer (process_timeout) 0,3% ( 0,1) flush-8:0 : __mod_timer (process_timeout) 0,1% ( 0,1) wpa_supplicant : queue_delayed_work (delayed_work_timer_fn) 0,1% ( 0,1) <kernel core> : enqueue_task_rt (sched_rt_period_timer) 0,1% ( 0,1) <kernel core> : __mod_timer (sta_info_cleanup) 0,1% ( 0,1) hald : hrtimer_start_range_ns (hrtimer_wakeup) 0,1% ( 0,1) cron : hrtimer_start_range_ns (hrtimer_wakeup) A USB device is active 0,0% of the time: USB device 2-4 : HP Webcam-50 (QCM) Suggestion: increase the VM dirty writeback time from 5,00 to 15 seconds with: echo 1500 > /proc/sys/vm/dirty_writeback_centisecs This wakes the disk up less frequently for background VM activity Suggestion: Enable SATA ALPM link power management via: echo min_power > /sys/class/scsi_host/host0/link_power_management_policy or press the S key. Suggestion: Enable the CONFIG_CPU_FREQ_STAT kernel configuration option. This option allows PowerTOP to show P-state percentages P-states correspond to CPU frequencies. Suggestion: Enable the CONFIG_USB_SUSPEND kernel configuration option. This option will automatically disable UHCI USB when not in use, and may save approximately 1 Watt of power. Recent USB suspend statistics Active Device name 0,0% USB device 4-2 : HP Integrated Module (Broadcom Corp) 0,0% USB device 2-4 : HP Webcam-50 (QCM) 0,0% USB device usb7 : UHCI Host Controller (Linux 2.6.34-gentoo-bookie uhci_hcd) 0,0% USB device usb6 : UHCI Host Controller (Linux 2.6.34-gentoo-bookie uhci_hcd) 0,0% USB device usb5 : UHCI Host Controller (Linux 2.6.34-gentoo-bookie uhci_hcd) 0,0% USB device usb4 : UHCI Host Controller (Linux 2.6.34-gentoo-bookie uhci_hcd) 0,0% USB device usb3 : UHCI Host Controller (Linux 2.6.34-gentoo-bookie uhci_hcd) 0,0% USB device usb2 : EHCI Host Controller (Linux 2.6.34-gentoo-bookie ehci_hcd) 0,0% USB device usb1 : EHCI Host Controller (Linux 2.6.34-gentoo-bookie ehci_hcd) Let me know if you need more information Thanks -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug. -- To unsubscribe from this list: send the line "unsubscribe cpufreq" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
