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Bug 594082 - High load average after 2.6.18-164.15.1.el5 to 2.6.18-194.3.1.el5 upgrade
High load average after 2.6.18-164.15.1.el5 to 2.6.18-194.3.1.el5 upgrade
Product: Red Hat Enterprise Linux 5
Classification: Red Hat
Component: kernel (Show other bugs)
i686 Linux
low Severity low
: rc
: ---
Assigned To: Red Hat Kernel Manager
Red Hat Kernel QE team
Depends On:
  Show dependency treegraph
Reported: 2010-05-20 10:15 EDT by Simon
Modified: 2014-06-09 08:48 EDT (History)
1 user (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2014-06-02 09:23:25 EDT
Type: ---
Regression: ---
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Documentation: ---
Verified Versions:
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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Description Simon 2010-05-20 10:15:08 EDT
Description of problem:
Average load never falls below about 0.50 when idle even though no obvious resource usage (top/atop/vstat, etc.). When booting older kernel with otherwise identical system, load is 0.00 when idle.

Version-Release number of selected component (if applicable):
2.6.18-194.3.1.el5 (high load)
2.6.18-164.15.1.el5 (normal 0.00 load when idle)

How reproducible:

Steps to Reproduce:
1. Install i386 2.6.18-194.3.1.el5 and reboot system
Actual results:
Load average always above about 0.50, regardless of running software

Expected results:
Load falls to near zero when idling.

Additional info:
Comment 1 Simon 2010-05-21 04:06:49 EDT
I should add that this *only applies* to the i686 kernel. I've other x86_64 installs running the same kernel release (2.6.18-194.3.1.el5) which report normal (0.00) loads when idle.
Comment 2 RHEL Product and Program Management 2014-03-07 08:56:04 EST
This bug/component is not included in scope for RHEL-5.11.0 which is the last RHEL5 minor release. This Bugzilla will soon be CLOSED as WONTFIX (at the end of RHEL5.11 development phase (Apr 22, 2014)). Please contact your account manager or support representative in case you need to escalate this bug.
Comment 3 RHEL Product and Program Management 2014-06-02 09:23:25 EDT
Thank you for submitting this request for inclusion in Red Hat Enterprise Linux 5. We've carefully evaluated the request, but are unable to include it in RHEL5 stream. If the issue is critical for your business, please provide additional business justification through the appropriate support channels (https://access.redhat.com/site/support).
Comment 4 Simon 2014-06-09 08:48:56 EDT
OK. This isn't major for me.

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