Re: HVM/PVH Balloon crash

2021-10-07 Thread Jan Beulich
On 02.10.2021 04:35, Elliott Mitchell wrote: > On Thu, Sep 30, 2021 at 09:08:34AM +0200, Jan Beulich wrote: >> On 29.09.2021 17:31, Elliott Mitchell wrote: >>> >>> Copy and paste from the xl.cfg man page: >>> >>>nestedhvm=BOOLEAN >>>Enable or disables guest access to hardware

Re: HVM/PVH Balloon crash

2021-10-01 Thread Elliott Mitchell
On Thu, Sep 30, 2021 at 09:08:34AM +0200, Jan Beulich wrote: > On 29.09.2021 17:31, Elliott Mitchell wrote: > > > > Copy and paste from the xl.cfg man page: > > > >nestedhvm=BOOLEAN > >Enable or disables guest access to hardware virtualisation > >features, e.g. it

Re: HVM/PVH Balloon crash

2021-09-30 Thread Jan Beulich
On 27.09.2021 00:53, Elliott Mitchell wrote: > On Wed, Sep 15, 2021 at 08:05:05AM +0200, Jan Beulich wrote: >> On 15.09.2021 04:40, Elliott Mitchell wrote: >>> On Tue, Sep 07, 2021 at 05:57:10PM +0200, Jan Beulich wrote: On 07.09.2021 17:03, Elliott Mitchell wrote: > Could be this system

Re: HVM/PVH Balloon crash

2021-09-30 Thread Jan Beulich
On 29.09.2021 17:31, Elliott Mitchell wrote: > On Wed, Sep 29, 2021 at 03:32:15PM +0200, Jan Beulich wrote: >> On 27.09.2021 00:53, Elliott Mitchell wrote: >>> (XEN) Xen call trace: >>> (XEN)[] R >>> arch/x86/mm/p2m.c#p2m_flush_table+0x240/0x260 >>> (XEN)[] S p2m_flush_nestedp2m+0x1c/0x30

Re: HVM/PVH Balloon crash

2021-09-29 Thread Elliott Mitchell
On Wed, Sep 29, 2021 at 03:32:15PM +0200, Jan Beulich wrote: > On 27.09.2021 00:53, Elliott Mitchell wrote: > > (XEN) Xen call trace: > > (XEN)[] R > > arch/x86/mm/p2m.c#p2m_flush_table+0x240/0x260 > > (XEN)[] S p2m_flush_nestedp2m+0x1c/0x30 > > (XEN)[] S > >

Re: HVM/PVH Balloon crash

2021-09-29 Thread Jan Beulich
On 27.09.2021 00:53, Elliott Mitchell wrote: > Getting everything right to recreate is rather inexact. Having an > equivalent of `sysctl` to turn on the serial console while running might > be handy... > > Luckily get things together and... Thanks; finally got around to look at this in at least

Re: HVM/PVH Balloon crash

2021-09-26 Thread Elliott Mitchell
On Wed, Sep 15, 2021 at 08:05:05AM +0200, Jan Beulich wrote: > On 15.09.2021 04:40, Elliott Mitchell wrote: > > On Tue, Sep 07, 2021 at 05:57:10PM +0200, Jan Beulich wrote: > >> On 07.09.2021 17:03, Elliott Mitchell wrote: > >>> Could be this system is in an > >>> intergenerational hole, and some

Re: HVM/PVH Balloon crash

2021-09-15 Thread Jan Beulich
On 15.09.2021 04:40, Elliott Mitchell wrote: > On Tue, Sep 07, 2021 at 05:57:10PM +0200, Jan Beulich wrote: >> On 07.09.2021 17:03, Elliott Mitchell wrote: >>> Could be this system is in an >>> intergenerational hole, and some spot in the PVH/HVM code makes an >>> assumption of the presence of

Re: HVM/PVH Balloon crash

2021-09-14 Thread Elliott Mitchell
On Tue, Sep 07, 2021 at 05:57:10PM +0200, Jan Beulich wrote: > On 07.09.2021 17:03, Elliott Mitchell wrote: > > Could be this system is in an > > intergenerational hole, and some spot in the PVH/HVM code makes an > > assumption of the presence of NPT guarantees presence of an operational > >

Re: HVM/PVH Balloon crash

2021-09-07 Thread Elliott Mitchell
On Tue, Sep 07, 2021 at 05:57:10PM +0200, Jan Beulich wrote: > On 07.09.2021 17:03, Elliott Mitchell wrote: > > On Tue, Sep 07, 2021 at 10:03:51AM +0200, Jan Beulich wrote: > >> > >> That sounds odd at the first glance - PVH simply requires that there be > >> an (enabled) IOMMU. Hence the only

Re: HVM/PVH Balloon crash

2021-09-07 Thread Jan Beulich
On 07.09.2021 17:03, Elliott Mitchell wrote: > On Tue, Sep 07, 2021 at 10:03:51AM +0200, Jan Beulich wrote: >> On 06.09.2021 22:47, Elliott Mitchell wrote: >>> On Mon, Sep 06, 2021 at 09:52:17AM +0200, Jan Beulich wrote: On 06.09.2021 00:10, Elliott Mitchell wrote: > I brought this up a

Re: HVM/PVH Balloon crash

2021-09-07 Thread Elliott Mitchell
On Tue, Sep 07, 2021 at 10:03:51AM +0200, Jan Beulich wrote: > On 06.09.2021 22:47, Elliott Mitchell wrote: > > On Mon, Sep 06, 2021 at 09:52:17AM +0200, Jan Beulich wrote: > >> On 06.09.2021 00:10, Elliott Mitchell wrote: > >>> I brought this up a while back, but it still appears to be present

Re: HVM/PVH Balloon crash

2021-09-07 Thread Jan Beulich
On 06.09.2021 22:47, Elliott Mitchell wrote: > On Mon, Sep 06, 2021 at 09:52:17AM +0200, Jan Beulich wrote: >> On 06.09.2021 00:10, Elliott Mitchell wrote: >>> I brought this up a while back, but it still appears to be present and >>> the latest observations appear rather serious. >>> >>> I'm

Re: HVM/PVH Balloon crash

2021-09-06 Thread Elliott Mitchell
On Mon, Sep 06, 2021 at 09:52:17AM +0200, Jan Beulich wrote: > On 06.09.2021 00:10, Elliott Mitchell wrote: > > I brought this up a while back, but it still appears to be present and > > the latest observations appear rather serious. > > > > I'm unsure of the entire set of conditions for