Re: [Xen-devel] Crash with nested HVM and Linux v5.1+

2019-10-02 Thread Chris Brannon
Andrew Cooper writes: > (XEN) traps.c:1576: GPF (): 82d08031a80f > [vmx.c#vmx_msr_read_intercept+0x387/0x3fd] -> 82d08037c9f2 > (XEN) traps.c:1576: GPF (): 82d08031a80f > [vmx.c#vmx_msr_read_intercept+0x387/0x3fd] -> 82d08037c9f2 > (d2) xs_write(/vm/95f11fc0-b9e7-47ff-85

Re: [Xen-devel] Crash with nested HVM and Linux v5.1+

2019-10-02 Thread Andrew Cooper
On 02/10/2019 17:50, Chris Brannon wrote: > Jan Beulich writes: > >> On 21.09.2019 01:14, Sarah Newman wrote: >>> With nestedhvm=1, the L2 HVM guest is either hanging (Xen 4.8) or >>> crashing (Xen 4.12.1) the L1 Xen hypervisor with recent versions of >>> Linux. We >>> isolated the commit to: >>>

Re: [Xen-devel] Crash with nested HVM and Linux v5.1+

2019-10-02 Thread Chris Brannon
Jan Beulich writes: > On 21.09.2019 01:14, Sarah Newman wrote: >> With nestedhvm=1, the L2 HVM guest is either hanging (Xen 4.8) or >> crashing (Xen 4.12.1) the L1 Xen hypervisor with recent versions of >> Linux. We >> isolated the commit to: >> >> commit 093ae8f9a86a974c920b613860f1f7fd5bbd70ab

Re: [Xen-devel] Crash with nested HVM and Linux v5.1+

2019-09-23 Thread Jan Beulich
On 21.09.2019 01:14, Sarah Newman wrote: > With nestedhvm=1, the L2 HVM guest is either hanging (Xen 4.8) or crashing > (Xen 4.12.1) the L1 Xen hypervisor with recent versions of Linux. We > isolated the commit to: > > commit 093ae8f9a86a974c920b613860f1f7fd5bbd70ab > Author: Borislav Petkov >

[Xen-devel] Crash with nested HVM and Linux v5.1+

2019-09-20 Thread Sarah Newman
With nestedhvm=1, the L2 HVM guest is either hanging (Xen 4.8) or crashing (Xen 4.12.1) the L1 Xen hypervisor with recent versions of Linux. We isolated the commit to: commit 093ae8f9a86a974c920b613860f1f7fd5bbd70ab Author: Borislav Petkov Date: Thu Apr 12 13:11:36 2018 +0200 x86/TSC: Us