Bug 230550

Summary:	Timer ISR/0: Time went backwards flooding /var/log/messages
Product:	[Fedora] Fedora	Reporter:	Tru Huynh <pasteur>
Component:	kernel-xen	Assignee:	Xen Maintainance List <xen-maint>
Status:	CLOSED WONTFIX	QA Contact:	Virtualization Bugs <virt-bugs>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	6	CC:	bstein, djuran, xen-maint
Target Milestone:	---
Target Release:	---
Hardware:	x86_64
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2008-02-26 23:59:11 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 Tru Huynh 2007-03-01 14:12:38 UTC

Description of problem:
/var/log/messages filled with "Timer ISR/0: Time went backwards: delta=..."

Version-Release number of selected component (if applicable):
2.6.19-1.2911.fc6xen

How reproducible:
always


Steps to Reproduce:
1. install fc6 x86_64 on a Sony VGN-SZ3XP/C Intel core duo2 T7200
2. boot 2.6.19-1.2911.fc6xen
3.
  
Actual results:

Timer ISR/0: Time went backwards: delta=-58796209 delta_cpu=61203791 shadow=1212
6198740954 off=562735636 processed=12126820000000 cpu_processed=12126700000000
 0: 12126700000000
 1: 12126820000000
printk: 25 messages suppressed.
Timer ISR/0: Time went backwards: delta=-11505215 delta_cpu=28494785 shadow=1213
1323040307 off=825697898 processed=12132160000000 cpu_processed=12132120000000
 0: 12132120000000
 1: 12132160000000

Expected results:
no such errors 

Additional info:
2.6.19-1.2911.fc6 (no xen) works fin on the same machine
VT is disabled by the bios :(

Comment 1 Red Hat Bugzilla 2007-07-25 01:39:10 UTC

change QA contact

Comment 2 Chris Lalancette 2008-02-26 23:59:11 UTC

This report targets FC6, which is now end-of-life.

Please re-test against Fedora 7 or later, and if the issue persists, open a new bug.

Thanks

Comment 3 Tru Huynh 2008-02-27 11:59:01 UTC

re-opened for fc8 -> https://bugzilla.redhat.com/show_bug.cgi?id=435102