Messages in this thread | | | Date | Sat, 9 Sep 2006 11:22:02 -0300 | From | "Thiago Galesi" <> | Subject | Cpufreq not working in 2.6.18-rc6 |
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Hello
Cpufreq is not working for me in 2.6.18-rc6 (as it worked flawlessly in 2.6.17.7 and earlier versions)
I cannot insmod powernow-k7, it only shows (in dmesg):
powernow: PowerNOW! Technology present. Can scale: frequency and voltage.
But then insmod fails with EBUSY (or better: init_module(0x804b018, 11352, "") = -1 EBUSY (Device or resource busy))
I traced this to cpufreq_register_driver returning -0x16
I disabled APM for this kernel, previous kernel version had APM enabled (AFAIK, shouldn't be relevant; ACPI is enabled)
I tried to enable APM only to discover it does not work to compile APM as a module :/ (complains about default_idle and machine_real_restart being "unknown symbols")
Will try with builtin APM later
Relevant config info is below:
# # APM (Advanced Power Management) BIOS Support # # CONFIG_APM is not set
# # CPU Frequency scaling # CONFIG_CPU_FREQ=y CONFIG_CPU_FREQ_TABLE=m # CONFIG_CPU_FREQ_DEBUG is not set CONFIG_CPU_FREQ_STAT=m CONFIG_CPU_FREQ_STAT_DETAILS=y CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y # CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set CONFIG_CPU_FREQ_GOV_PERFORMANCE=y CONFIG_CPU_FREQ_GOV_POWERSAVE=m CONFIG_CPU_FREQ_GOV_USERSPACE=y CONFIG_CPU_FREQ_GOV_ONDEMAND=m CONFIG_CPU_FREQ_GOV_CONSERVATIVE=m
# # CPUFreq processor drivers # CONFIG_X86_ACPI_CPUFREQ=m # CONFIG_X86_POWERNOW_K6 is not set CONFIG_X86_POWERNOW_K7=m CONFIG_X86_POWERNOW_K7_ACPI=y CONFIG_X86_POWERNOW_K8=m CONFIG_X86_POWERNOW_K8_ACPI=y # CONFIG_X86_GX_SUSPMOD is not set
CONFIG_ACPI=y CONFIG_ACPI_SLEEP=y CONFIG_ACPI_SLEEP_PROC_FS=y # CONFIG_ACPI_SLEEP_PROC_SLEEP is not set CONFIG_ACPI_AC=m CONFIG_ACPI_BATTERY=m CONFIG_ACPI_BUTTON=m CONFIG_ACPI_VIDEO=m # CONFIG_ACPI_HOTKEY is not set CONFIG_ACPI_FAN=m # CONFIG_ACPI_DOCK is not set CONFIG_ACPI_PROCESSOR=m CONFIG_ACPI_THERMAL=m # CONFIG_ACPI_ASUS is not set # CONFIG_ACPI_IBM is not set # CONFIG_ACPI_TOSHIBA is not set # CONFIG_ACPI_CUSTOM_DSDT is not set CONFIG_ACPI_BLACKLIST_YEAR=0 # CONFIG_ACPI_DEBUG is not set CONFIG_ACPI_EC=y CONFIG_ACPI_POWER=y CONFIG_ACPI_SYSTEM=y CONFIG_X86_PM_TIMER=y CONFIG_ACPI_CONTAINER=m # CONFIG_ACPI_SBS is not set
Thanks in advance -- - Thiago Galesi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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