[Quantal][PATCH 0/1] Revert "KVM: VMX: Fix KVM_SET_SREGS with big real mode

joseph.salisbury at canonical.com joseph.salisbury at canonical.com
Thu Sep 27 14:27:21 UTC 2012

From: Joseph Salisbury <joseph.salisbury at canonical.com>

BugLink: http://bugs.launchpad.net/bugs/1045027

== Quantal Justification ==
This bug is a regression in 3.5.0-13.  With this commit applied, iPXE kills kvm with KVM: entry failed, hardware error 0x80000021.  This commit is applied to upstream v3.6.  However,  3.6 has had a lot more (unbackportable) work in this area. Upstream will see if this can be fixed, if not, they will revert it. 

== Fix ==
Revert of the following commit:
commit b398aa3174cdfd4d85964fa84004e53ce6a13cab
Author: Orit Wasserman <owasserm at redhat.com>
Date:   Wed Aug 15 11:49:05 2012 +0300

    KVM: VMX: Fix KVM_SET_SREGS with big real mode segments

== Test Case ==
A test kernel was built with this commit reverted.  The bug reporter and others affected by this bug confirmed a revert fixes the issue. 

Joseph Salisbury (1):
  Revert "KVM: VMX: Fix KVM_SET_SREGS with big real mode segments"

 arch/x86/kvm/vmx.c |   70 +++++++++-------------------------------------------
 1 file changed, 12 insertions(+), 58 deletions(-)


More information about the kernel-team mailing list