https://bugzilla.kernel.org/show_bug.cgi?id=59891

           Summary: Unrecoverable Kernel Panic, in Virtio Net in memcpy(),
                    Complete system lockup.
           Product: Virtualization
           Version: unspecified
    Kernel Version: 3.9+
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: blocking
          Priority: P1
         Component: kvm
        AssignedTo: virtualization_...@kernel-bugs.osdl.org
        ReportedBy: matthewgra...@gmail.com
                CC: matthewgra...@gmail.com
        Regression: Yes


On AMD processor, under heavy network load and ATI GPU use, System will
completely lock up when a VM is receiving? a packet.

This happens in memcpy()

Get:

Kernel Panic - not syncing: Fatal exception in interrupt.

Can't seem to get anything on a serial port, or with kexec kernel core dumps.

Attaching picture of exception print

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