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  1. Bug #1278531
  2. Comment #9

Comment 9 for bug 1278531

Revision history for this message
Stefan Bader (smb) wrote :

Bisection ended on:

commit e504c9098ed6acd9e1079c5e10e4910724ad429f
Author: Anthoine Bourgeois <email address hidden>
Date: Wed Nov 13 11:45:37 2013 +0100

    kvm, vmx: Fix lazy FPU on nested guest

which sounds reasonable as this will cause an exit to L0 (the host) in some case where it has not before. I am preparing Trusty kernels with that patch reverted to verify. Then need to ask upstream whether this maybe misses a counterpart in L0 handling or has other issues.