On 05/06/2016 04:46 PM, Boris Ostrovsky wrote: > On 05/06/2016 03:38 PM, Joseph Salisbury wrote: >> On 05/06/2016 03:13 PM, Boris Ostrovsky wrote: >>> On 05/06/2016 02:48 PM, Thomas Gleixner wrote: >>>> Yuck. That dies with a divide error. And that looks like XEN is supplying >>>> crap >>>> data in the CPUID. >>> Joe, do you have >>> >>> ed6069b xen/apic: Provide Xen-specific version of cpu_present_to_apicid >>> APIC op >>> >>> -boris >> Yes the commit is in the 4.4 based Ubuntu kernel. This bug also happens >> with the vanilla 4.6-rc5 kernel, which also has that commit. > > Can you post guest's cpuid -1 -r ? (I guess after you verify Thomas' patch) > > Thanks. > -boris > > > Thomas' patch does resolve the bug. The cpuid info can be seen here: https://launchpadlibrarian.net/258234267/cpuid_full.txt
Thanks, Joe
