Bug 746092

Summary: RHEL4.8: Fix time of gettimeofday() going backward (EM64T)
Product: Red Hat Enterprise Linux 4 Reporter: Matthew Whitehead <mwhitehe>
Component: kernelAssignee: Prarit Bhargava <prarit>
Status: CLOSED WONTFIX QA Contact: Red Hat Kernel QE team <kernel-qe>
Severity: medium Docs Contact:
Priority: unspecified    
Version: 4.8CC: linville
Target Milestone: rc   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2012-06-20 15:55:03 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Description Flags
reproducer code none

Description Matthew Whitehead 2011-10-13 20:50:47 UTC 
Description of problem: Time goes backwards on RHEL4.8 with x86_64 Harpertown L5240 2.GHz cpu with multiple cores active.


Version-Release number of selected component (if applicable): 4.8


How reproducible: 100% with reproducer code


Steps to Reproduce:
1. g++ ttt.cc -o ttt -lpthread
2. ./ttt
3. Look for "found negative delta" message.
  
Actual results: Time goes backwards.


Expected results: Time should be monotonic.


Additional info: Please assign to Prarit Bhargava, per his request.
Comment 1 Matthew Whitehead 2011-10-13 20:54:43 UTC 
Created attachment 528101 [details]
reproducer code
Comment 2 Jiri Pallich 2012-06-20 15:55:03 UTC 
Thank you for submitting this issue for consideration in Red Hat Enterprise Linux. The release for which you requested us to review is now End of Life. 
Please See https://access.redhat.com/support/policy/updates/errata/

If you would like Red Hat to re-consider your feature request for an active release, please re-open the request via appropriate support channels and provide additional supporting details about the importance of this issue.