Bug 599734

Summary: should set ISVM bit (ECX:31) for CPUID leaf 0x00000001 [rhel-5.5.z]
Product: Red Hat Enterprise Linux 5 Reporter: RHEL Product and Program Management <pm-rhel>
Component: kernel-xenAssignee: Jiri Pirko <jpirko>
Status: CLOSED ERRATA QA Contact: Red Hat Kernel QE team <kernel-qe>
Severity: medium Docs Contact:
Priority: low    
Version: 5.4CC: dhoward, jlieskov, jpirko, leiwang, llim, pbonzini, pm-eus, rkhan, xen-maint
Target Milestone: rcKeywords: ZStream
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Microsoft's Server Virtualization Validation Test contains an IsVM component, which directs that applications should be able to determine if they are running inside a virtualized environment by performing a CPUID check. With this update, applications running on a Windows operating system are able to determine whether they are running inside a virtualized environment.
Story Points: ---
Clone Of: Environment:
Last Closed: 2010-07-01 18:30:11 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---
Bug Depends On: 573771    
Bug Blocks:    

Description RHEL Product and Program Management 2010-06-03 19:56:13 UTC
This bug has been copied from bug #573771 and has been proposed
to be backported to 5.5 z-stream (EUS).

Comment 3 Jiri Pirko 2010-06-07 13:32:13 UTC
in 2.6.18-194.6.1.el5

Comment 7 Douglas Silas 2010-06-28 20:45:30 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:
Microsoft's Server Virtualization Validation Test contains an IsVM component, which directs that applications should be able to determine if they are running inside a virtualized environment by performing a CPUID check. With this update, applications running on a Windows operating system are able to determine whether they are running inside a virtualized environment.

Comment 9 errata-xmlrpc 2010-07-01 18:30:11 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