Bug 236842 - [JAVA_BLOCKER] posix cpu timers broken, need a patch to be backported from 2.6.21
Summary: [JAVA_BLOCKER] posix cpu timers broken, need a patch to be backported from 2....
Alias: None
Product: Red Hat Enterprise MRG
Classification: Red Hat
Component: realtime-kernel   
(Show other bugs)
Version: 1.0
Hardware: All
OS: Linux
Target Milestone: ---
: ---
Assignee: Clark Williams
QA Contact:
Depends On:
TreeView+ depends on / blocked
Reported: 2007-04-17 21:55 UTC by IBM Bug Proxy
Modified: 2008-02-27 19:56 UTC (History)
0 users

Fixed In Version: kernel-rt-2.6.21-2.el5rt
Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of:
Last Closed: 2007-05-16 16:35:50 UTC
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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External Trackers
Tracker ID Priority Status Summary Last Updated
IBM Linux Technology Center 33927 None None None Never

Description IBM Bug Proxy 2007-04-17 21:55:58 UTC
LTC Owner is: jstultz@us.ibm.com
LTC Originator is: sripathi@in.ibm.com

This patch: http://lkml.org/lkml/2006/11/17/305 tried to fix some problems with
posix cpu timers during 2.6.19, but in the process created a new bug. The
problem was then fixed by this patch: http://lkml.org/lkml/2007/2/21/478 during
2.6.21. We need this patch for posix cpu timers to function correctly. In case
RHEL5-RT gets rebased to 2.6.21, we will get this patch automatically, but in
case that doesn't happen, this patch needs to be backported to the RHEL5-RT
kernel. The patch is a simple one-line fix that appears to be quite safe to

I have raised this bug so that this problem doesn't get slipped between our

Comment 1 IBM Bug Proxy 2007-05-12 02:20:32 UTC
----- Additional Comments From sripathi@in.ibm.com (prefers email at sripathik@in.ibm.com)  2007-05-11 22:17 EDT -------
I have tested kernel-rt-2.6.21-2.el5rt pulled down from Clark William's page and
confirmed that this problem is fixed in that kernel. 

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