Bug 230550 - Timer ISR/0: Time went backwards flooding /var/log/messages
Timer ISR/0: Time went backwards flooding /var/log/messages
Status: CLOSED WONTFIX
Product: Fedora
Classification: Fedora
Component: kernel-xen (Show other bugs)
6
x86_64 Linux
medium Severity medium
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Assigned To: Xen Maintainance List
Virtualization Bugs
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Depends On:
Blocks:
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Reported: 2007-03-01 09:12 EST by Tru Huynh
Modified: 2009-12-14 15:40 EST (History)
3 users (show)

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Doc Type: Bug Fix
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Last Closed: 2008-02-26 18:59:11 EST
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Description Tru Huynh 2007-03-01 09:12:38 EST
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 2007-07-24 21:39:10 EDT
change QA contact
Comment 2 Chris Lalancette 2008-02-26 18:59:11 EST
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 06:59:01 EST
re-opened for fc8 -> https://bugzilla.redhat.com/show_bug.cgi?id=435102

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