[PLUG] FW: Parallel port under Xen/Linux not recognizing virtualization

Bill Barry barryb at proaxis.com
Tue Jun 30 16:29:40 UTC 2009


On Tue, Jun 30, 2009 at 8:57 AM, Brian
Martin<plug-ng1 at martinconsulting.com> wrote:
>
>> You probably already checked this, but could it just be that hardware virtualization is turned off in the bios?
>> Bill
>
> Thanks, Bill.  I took the system down and verified that the BIOS had "Secure Virtual Machine" enabled.  This appears to be the only virtualization option in the BIOS.  I then booted up, but the "svm" flag doesn't appear in the /proc/cpuinfo "flags" area.  In essence, it seems that the BIOS says virtualization is enabled, but Linux says it isn't.
>
> I tried updating the BIOS to the latest version, but that didn't change anything.  This is SuperMicro mainboard, H8SMi-2 rev 2.01, with a dual core Opteron 1220 processor.
>
> Does anyone have any experience with Linux failing to detect virtualization capabilities?
>
>                     -Brian

Maybe it's a  kernel problem.
Here is a report of a XEN kernel not detecting the SVM flag.
http://www.novell.com/support/search.do?cmd=displayKC&docType=kc&externalId=7001447&sliceId=1&docTypeID=DT_TID_1_1
Or, less likely, it's a bios problem and you could try updating the bios.
Bill



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