Bug 460760

Summary: [Phenom X4 9850] powernow-k8 check only two pstates.
Product: [Fedora] Fedora Reporter: sangu <sangu.fedora>
Component: kernelAssignee: Kernel Maintainer List <kernel-maint>
Status: CLOSED NOTABUG QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: medium    
Version: rawhideCC: quantumburnz
Target Milestone: ---   
Target Release: ---   
Hardware: i686   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2008-10-29 15:41:18 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Attachments:
Description Flags
dmidecode
none
lspci -vv
none
dmesg
none
acpidump none

Description sangu 2008-08-31 08:34:33 UTC 
Created attachment 315436 [details]
dmidecode

Description of problem:
$dmesg
[skip]
powernow-k8: Found 1 AMD Phenom(tm) 9850 Quad-Core Processor processors (4 cpu c
ores) (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

$ cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies 
2500000 1250000 

$ cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors
ondemand userspace performance


Version-Release number of selected component (if applicable):
2.6.27-0.290.rc5.fc10.i686

How reproducible:
always

Steps to Reproduce:
1.
2.
3.
  
Actual results:


Expected results:
Five pstates

Additional info:
cpuspeed-1.2.1-8.fc10.i386
Mainboard : asus M3N78 PRO http://www.asus.com/products.aspx?modelmenu=2&model=2260&l1=3&l2=149&l3=676&l4=0
Comment 1 sangu 2008-08-31 08:42:29 UTC 
Created attachment 315438 [details]
lspci -vv
Comment 2 sangu 2008-08-31 08:43:48 UTC 
Created attachment 315439 [details]
dmesg
Comment 3 sangu 2008-09-01 12:55:30 UTC 
Created attachment 315471 [details]
acpidump
Comment 4 Christopher D. Stover 2008-10-29 14:05:24 UTC 
Are you still experiencing this with newer kernels Sangu?
Comment 5 sangu 2008-10-29 15:41:18 UTC 
(In reply to comment #4)
> Are you still experiencing this with newer kernels Sangu?
Yes, two pstates in kernel-2.6.27.4-58.fc10.i686.

Two pstates seem to be phenom feature, maybe.

$ dmesg | grep powernow
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)