Bug 459214 - CPUIDLE does not work on SMP Opteron system
Summary: CPUIDLE does not work on SMP Opteron system
Keywords:
Status: CLOSED INSUFFICIENT_DATA
Alias: None
Product: Fedora
Classification: Fedora
Component: kernel
Version: 9
Hardware: All
OS: Linux
medium
high
Target Milestone: ---
Assignee: John Feeney
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2008-08-15 02:13 UTC by vit
Modified: 2013-01-10 07:05 UTC (History)
1 user (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2008-10-24 02:52:02 UTC
Type: ---
Embargoed:


Attachments (Terms of Use)

Description vit 2008-08-15 02:13:50 UTC
Description of problem:

Cpuidle does not work on dual cpu quad-core Opteron system, sensors reports around 48C and 61C under 0 load for the first and second CPUs respectively. Both menu and ladder governors give similar results. Recompiling kernel with "CONFIG_CPU_IDLE is not set" gives around 35C and 41C under 0 load.


Version-Release number of selected component (if applicable):

All versions starting from original Fedora 9 kernel up to the latest kernel-2.6.25.14-108.fc9.x86_64.


How reproducible:


Steps to Reproduce:
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Actual results:


Expected results:


Additional info: It is probably stock kernel bug.

Comment 1 Chuck Ebbert 2008-09-04 20:44:32 UTC
This should be fixed in the latest F9 test kernel, 2.6.26.3-29.fc9

Comment 2 Chuck Ebbert 2008-09-21 17:50:55 UTC
2.6.26.3-29 is released. Is this bug fixed?

Comment 3 Chuck Ebbert 2008-10-24 02:52:02 UTC
30+ days in state NEEDINFO, closing bug.


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