Bug 601080

Summary: Timedrift on VM with pv_clock enabled, causing system hangs and sporadic time behaviour [rhel-5.5.z]
Product: Red Hat Enterprise Linux 5 Reporter: RHEL Program Management <pm-rhel>
Component: kernelAssignee: Jiri Pirko <jpirko>
Status: CLOSED ERRATA QA Contact: Red Hat Kernel QE team <kernel-qe>
Severity: medium Docs Contact:
Priority: urgent    
Version: 5.6CC: anton, apevec, cward, dhoward, dyasny, ehabkost, gcosta, jjarvis, jlieskov, jpirko, jplans, jturner, lihuang, llim, philippe.plouffe, plyons, pm-eus, qzhang, riel, rkhan, syeghiay, tao, tburke, uobergfe, virt-maint, wquan, ykaul
Target Milestone: rcKeywords: ZStream
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Red Hat Enterprise Linux 5.4 SMP guests running on the Red Hat Enterprise Virtualization Hypervisor may have experienced inconsistent time, such as the clock drifting backwards. This could have caused some applications to become unresponsive.
Story Points: ---
Clone Of: Environment:
Last Closed: 2010-07-01 18:28:53 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:
Bug Depends On: 570824    
Bug Blocks:    

Description RHEL Program Management 2010-06-07 07:53:42 UTC
This bug has been copied from bug #570824 and has been proposed
to be backported to 5.5 z-stream (EUS).

Comment 3 Jiri Pirko 2010-06-08 11:55:55 UTC
in 2.6.18-194.7.1.el5

Comment 8 Douglas Silas 2010-06-28 20:52:57 UTC
Technical note added. If any revisions are required, please edit the "Technical Notes" field
accordingly. All revisions will be proofread by the Engineering Content Services team.

New Contents:
Red Hat Enterprise Linux 5.4 SMP guests running on the Red Hat Enterprise Virtualization Hypervisor may have experienced inconsistent time, such as the clock driftingbackwards. This could have caused some applications to become unresponsive.

Comment 9 Douglas Silas 2010-06-29 09:01:31 UTC
Technical note updated. If any revisions are required, please edit the "Technical Notes" field
accordingly. All revisions will be proofread by the Engineering Content Services team.

Diffed Contents:
@@ -1 +1 @@
-Red Hat Enterprise Linux 5.4 SMP guests running on the Red Hat Enterprise Virtualization Hypervisor may have experienced inconsistent time, such as the clock driftingbackwards. This could have caused some applications to become unresponsive.+Red Hat Enterprise Linux 5.4 SMP guests running on the Red Hat Enterprise Virtualization Hypervisor may have experienced inconsistent time, such as the clock drifting backwards. This could have caused some applications to become unresponsive.

Comment 10 Glauber Costa 2010-06-29 13:01:42 UTC
driftingbackwards -> drifting backwards.

otherwise okay.

Comment 14 errata-xmlrpc 2010-07-01 18:28:53 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-2010-0504.html