Bug 465543

Summary:	kernel module is required to enable kernel markers
Product:	Red Hat Enterprise Linux 5	Reporter:	Jason Baron <jbaron>
Component:	kernel	Assignee:	Jason Baron <jbaron>
Status:	CLOSED ERRATA	QA Contact:	Red Hat Kernel QE team <kernel-qe>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	5.3	CC:	dzickus, fche, knoel, syeghiay
Target Milestone:	rc
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2009-09-02 08:47:08 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:

Description Jason Baron 2008-10-03 19:56:51 UTC

Description of problem:

A module is required to be loaded to enable tracepoints in the rhel5.3 kernel. It would be nice if this was not necessary


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


How reproducible:

load kernel-trace.ko module

Steps to Reproduce:
1. /sbin/modprobe kernel-trace
2.
3.
  
Actual results:


Expected results:


Additional info:

We could avoid loading the module by backporting the following patch:

http://git.kernel.org/?p=linux/kernel/git/compudj/linux-2.6-lttng.git;a=commitdiff;h=d52ea7c48f47a1179aee01636d515cfea4ff6ede;hp=0a7b5c02209f3582ed1369ec818a1b389bd45a09

Comment 2 Jason Baron 2009-03-27 15:10:40 UTC

posted on March 26, 2009

Comment 3 RHEL Program Management 2009-04-07 20:29:02 UTC

This request was evaluated by Red Hat Product Management for inclusion in a Red
Hat Enterprise Linux maintenance release.  Product Management has requested
further review of this request by Red Hat Engineering, for potential
inclusion in a Red Hat Enterprise Linux Update release for currently deployed
products.  This request is not yet committed for inclusion in an Update
release.

Comment 4 Don Zickus 2009-04-20 17:11:00 UTC

in kernel-2.6.18-140.el5
You can download this test kernel from http://people.redhat.com/dzickus/el5

Please do NOT transition this bugzilla state to VERIFIED until our QE team
has sent specific instructions indicating when to do so.  However feel free
to provide a comment indicating that this fix has been verified.

Comment 7 errata-xmlrpc 2009-09-02 08:47:08 UTC

An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHSA-2009-1243.html