http://bugzilla.kernel.org/show_bug.cgi?id=11473
Summary: powernow-k8 checks only two pstates on Phenom 9850
system.
Product: ACPI
Version: 2.5
KernelVersion: 2.6.27-0.290.rc5.fc10.i686
Platform: All
OS/Version: Linux
Tree: Fedora
Status: NEW
Severity: normal
Priority: P1
Component: Power-Processor
AssignedTo: [EMAIL PROTECTED]
ReportedBy: [EMAIL PROTECTED]
Distribution: Fedora development
Hardware Environment:
CPU : AMD Phenom 9850 BE (currrent no overclocking).
Memory : 2G MB
Mainboard : ASUS M3N78 Pro (nvidia 8300) -
http://www.asus.com/products.aspx?modelmenu=2&model=2260&l1=3&l2=149&l3=676&l4=0
Problem Description:
powernow-k8 checks only two pstates on Phenom 9850 system.
$dmesg
[skip]
powernow-k8: Found 1 AMD Phenom(tm) 9850 Quad-Core Processor processors (4 cpu
cores) (version 2.20.00)
powernow-k8: 0 : pstate 0 (2500 MHz)
powernow-k8: 1 : pstate 1 (1250 MHz)
[skip]
$service cpuspeed status
Frequency scaling enabled using ondemand governor
$ $ grep . /sys/devices/system/cpu/*/cpufreq/scaling_available_frequencies
/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies:2500000
1250000
/sys/devices/system/cpu/cpu1/cpufreq/scaling_available_frequencies:2500000
1250000
/sys/devices/system/cpu/cpu2/cpufreq/scaling_available_frequencies:2500000
1250000
/sys/devices/system/cpu/cpu3/cpufreq/scaling_available_frequencies:2500000
1250000
$ grep . /sys/devices/system/cpu/*/cpufreq/scaling_available_governors
/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors:ondemand
userspace performance
/sys/devices/system/cpu/cpu1/cpufreq/scaling_available_governors:ondemand
userspace performance
/sys/devices/system/cpu/cpu2/cpufreq/scaling_available_governors:ondemand
userspace performance
/sys/devices/system/cpu/cpu3/cpufreq/scaling_available_governors:ondemand
userspace performance
grep . /proc/acpi/processor/*/info
/proc/acpi/processor/C000/info:processor id: 0
/proc/acpi/processor/C000/info:acpi id: 0
/proc/acpi/processor/C000/info:bus mastering control: no
/proc/acpi/processor/C000/info:power management: no
/proc/acpi/processor/C000/info:throttling control: no
/proc/acpi/processor/C000/info:limit interface: no
/proc/acpi/processor/C001/info:processor id: 1
/proc/acpi/processor/C001/info:acpi id: 1
/proc/acpi/processor/C001/info:bus mastering control: no
/proc/acpi/processor/C001/info:power management: no
/proc/acpi/processor/C001/info:throttling control: no
/proc/acpi/processor/C001/info:limit interface: no
/proc/acpi/processor/C002/info:processor id: 2
/proc/acpi/processor/C002/info:acpi id: 2
/proc/acpi/processor/C002/info:bus mastering control: no
/proc/acpi/processor/C002/info:power management: no
/proc/acpi/processor/C002/info:throttling control: no
/proc/acpi/processor/C002/info:limit interface: no
/proc/acpi/processor/C003/info:processor id: 3
/proc/acpi/processor/C003/info:acpi id: 3
/proc/acpi/processor/C003/info:bus mastering control: no
/proc/acpi/processor/C003/info:power management: no
/proc/acpi/processor/C003/info:throttling control: no
/proc/acpi/processor/C003/info:limit interface: no
See : https://bugzilla.redhat.com/show_bug.cgi?id=460760
dmesg - https://bugzilla.redhat.com/attachment.cgi?id=315439
acpidump - https://bugzilla.redhat.com/attachment.cgi?id=315471
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