On Thu, Jul 20, 2017 at 12:02:23AM -0300, jos...@linux.vnet.ibm.com wrote: > On Thu, Jul 20, 2017 at 09:42:50AM +1000, Benjamin Herrenschmidt wrote: > > On Wed, 2017-07-19 at 16:46 -0300, jos...@linux.vnet.ibm.com wrote: > > > Hello! > > > > > > We're not able to boot any KVM guest using upstream kernel > > > (cb8c65ccff7f77d0285f1b126c72d37b2572c865 - 4.13.0-rc1+). > > > After reaching the SLOF initial counting, the guest simply freezes: > > > > Can you send our .config ? > > Sure, > > Answering Michael as well: > > It's a P9 with RHEL kernel 4.11.0-10.el7a.ppc64le installed. The problem > was noticed with kernel > 4.13 (I'm currently running 4.13.0-rc1+). > > QEMU is https://github.com/dgibson/qemu (ppc-for-2.10) but I gave the > default packaged Qemu a try. > > For the guest, I tried both a vanilla Ubuntu 17.04 and the host kernel. > But they had never a chance to run since the freezing happened in SLOF. > > Note that using the 4.11.0-10.el7a.ppc64le kernel it works fine > (for any of these Qemu/Guest setup). With 4.13.0-rc1 I have it run after > reverting that referred commit.
Is the host kernel running in radix mode? Did you check the host kernel logs for any oops messages? Paul.
