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Stratusphere Hub Won't Boot on Citrix XenServer when using certain CPU's

Product: Stratusphere FIT/UX

Product Version: 6.03-6.1.1

Expires on: 365 days from publish date

Updated: Jan 18, 2019

 

Problem:

Stratusphere fails to boot on XenServer when using certain CPU's.  This issue is a XenServer issue in that it seems their PV driver does not support this new change required to mitigate the Spectre lazy FPU vulnerability.  For the implications of making this change, and undoing the Spectre mitigation, see https://access.redhat.com/solutions/3485131

Symptom:

May receive the following error in the console:

PCI: Fatal: No config space access function found

PCSI_Fatal.png

 

Possible resolution:

Add these boot options to your Stratusphere VM: eagerfpu=off

See more info at https://bugs.centos.org/view.php?id=15074

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