Re: [Xen-devel] PROBLEM: kernel panic xsave_init

2015-10-20 Thread John Doe
On 20/10/2015 16:27, Boris Ostrovsky wrote: > On 10/20/2015 09:43 AM, Jan Beulich wrote: > On 20.10.15 at 15:22, wrote: >>> The reason I think its this commit is that RAX, RDX and RCX look very >>> much like arguments to xsetbv (which xstate_enable_boot_cpu() executes) >>> and RAX value is 0x1

Re: [Xen-devel] PROBLEM: kernel panic xsave_init

2015-10-20 Thread Jan Beulich
>>> On 20.10.15 at 16:27, wrote: > On 10/20/2015 09:43 AM, Jan Beulich wrote: > On 20.10.15 at 15:22, wrote: >>> The reason I think its this commit is that RAX, RDX and RCX look very >>> much like arguments to xsetbv (which xstate_enable_boot_cpu() executes) >>> and RAX value is 0x1f, which h

Re: [Xen-devel] PROBLEM: kernel panic xsave_init

2015-10-20 Thread Boris Ostrovsky
On 10/20/2015 09:43 AM, Jan Beulich wrote: On 20.10.15 at 15:22, wrote: The reason I think its this commit is that RAX, RDX and RCX look very much like arguments to xsetbv (which xstate_enable_boot_cpu() executes) and RAX value is 0x1f, which has two new bits that this commit defined. That wou

Re: [Xen-devel] PROBLEM: kernel panic xsave_init

2015-10-20 Thread Jan Beulich
>>> On 20.10.15 at 15:22, wrote: > The reason I think its this commit is that RAX, RDX and RCX look very > much like arguments to xsetbv (which xstate_enable_boot_cpu() executes) > and RAX value is 0x1f, which has two new bits that this commit defined. That would be the two MPX related bits, ye

Re: [Xen-devel] PROBLEM: kernel panic xsave_init

2015-10-20 Thread Boris Ostrovsky
On 10/20/2015 08:11 AM, John Doe wrote: On 20/10/2015 11:51, Jan Beulich wrote: On 19.10.15 at 18:25, wrote: On 10/19/2015 06:16 AM, John Doe wrote: [0.00] general protection fault: [#1] SMP [0.00] Modules linked in: [0.00] CPU: 0 PID: 0 Comm: swapper Not tainted

Re: [Xen-devel] PROBLEM: kernel panic xsave_init

2015-10-20 Thread John Doe
On 20/10/2015 11:51, Jan Beulich wrote: On 19.10.15 at 18:25, wrote: >> On 10/19/2015 06:16 AM, John Doe wrote: > [0.00] general protection fault: [#1] SMP > [0.00] Modules linked in: > [0.00] CPU: 0 PID: 0 Comm: swapper Not tainted >> 4.1.9-6.pvops.q

Re: [Xen-devel] PROBLEM: kernel panic xsave_init

2015-10-20 Thread Jan Beulich
>>> On 19.10.15 at 18:25, wrote: > On 10/19/2015 06:16 AM, John Doe wrote: [0.00] general protection fault: [#1] SMP [0.00] Modules linked in: [0.00] CPU: 0 PID: 0 Comm: swapper Not tainted > 4.1.9-6.pvops.qubes.x86_64 #1 [0.00] Hardware na

Re: [Xen-devel] PROBLEM: kernel panic xsave_init

2015-10-19 Thread Boris Ostrovsky
On 10/19/2015 06:16 AM, John Doe wrote: [0.00] general protection fault: [#1] SMP [0.00] Modules linked in: [0.00] CPU: 0 PID: 0 Comm: swapper Not tainted 4.1.9-6.pvops.qubes.x86_64 #1 [0.00] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z170