On Fri, Jan 05, 2018 at 05:37:54AM +0100, Mike Galbraith wrote: > On Thu, 2018-01-04 at 15:45 -0800, Guenter Roeck wrote: > > > > The crash part of this problem may be solved with the following patch > > (thanks to Hugh for the hint). There is still another problem, though - > > with this patch applied, the qemu session aborts with "VCPU Shutdown > > request", whatever that means. > > The crash part is not fixed by your patch here, w/wo I get this, and it > is PTI, as virgin 109 boots/works with identical everything else. My > shiny new PTI equipped enterprise 4.4 RT kernels also boot/work fine, > which seems a bit odd.. and not particularly comforting. Might I ask _what_ enterprise 4.4 kernels you are trying here? This should be the identical set to what is in the SLES12 tree, which worries me a lot... thanks, greg k-h