Ubuntu
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  1. Bug #243677
  2. Comment #13

Comment 13 for bug 243677

Revision history for this message
Roland Dreier (roland.dreier) wrote : Re: intrepid kernel 2.6.26-2-generic (amd64) won't boot as kvm guest

I wonder if this problem comes from the fact that the intrepid kernel doesn't seem to have upstream commit ca373932 ("x86: KVM guest: Add memory clobber to hypercalls"), which went in just after 2.6.26-rc9. The patch description says:

    Hypercalls can modify arbitrary regions of memory. Make sure to indicate this
    in the clobber list. This fixes a hang when using KVM_GUEST kernel built with
    GCC 4.3.0.