[Xen-devel] Likely regression in efi=no-rs option

2019-11-15 Thread Roman Shaposhnik
Hi! as I've reported earlier -- part of my testing of Xen 4.13 RC2 failed in a massive way with Dom0 never coming up. I've traced that problem to the option that we're using to boot Xen: efi=no-rs We've been using this option for quite sometime and Xen 4.13 RC2 is the first one that seems to m

Re: [Xen-devel] Likely regression in efi=no-rs option

2019-11-16 Thread Rich Persaud
I don't know if there's a change in efi=no-rs behavior, but some EFI fixes were merged on 10/25, which (on some machines) have reduced the need to disable UEFI runtime services to work around non-spec UEFI firmware. This should increase hardware compatibility with Xen. Of course, there could s

Re: [Xen-devel] Likely regression in efi=no-rs option

2019-11-16 Thread Marek Marczykowski-Górecki
On Fri, Nov 15, 2019 at 09:24:38PM -0800, Roman Shaposhnik wrote: > Hi! > > as I've reported earlier -- part of my testing of Xen 4.13 RC2 failed > in a massive way with Dom0 never coming up. I've traced that problem > to the option that we're using to boot Xen: > efi=no-rs > We've been using

Re: [Xen-devel] Likely regression in efi=no-rs option

2019-11-17 Thread Roman Shaposhnik
Rich, Marek, thanks a million for quick replies -- I'll try your suggestions tomorrow in my lab. Thanks, Roman. On Sat, Nov 16, 2019 at 3:07 PM Marek Marczykowski-Górecki < marma...@invisiblethingslab.com> wrote: > On Fri, Nov 15, 2019 at 09:24:38PM -0800, Roman Shaposhnik wrote: > > Hi! > > > >

Re: [Xen-devel] Likely regression in efi=no-rs option

2019-11-17 Thread Marek Marczykowski-Górecki
On Sun, Nov 17, 2019 at 05:06:11PM -0800, Roman Shaposhnik wrote: > Rich, Marek, thanks a million for quick replies -- I'll try your > suggestions tomorrow in my lab. To make use of the change, enable "EFI: call SetVirtualAddressMap()" in menuconfig (Common Features), visible only with XEN_CONFIG_

Re: [Xen-devel] Likely regression in efi=no-rs option

2019-11-18 Thread Roman Shaposhnik
Ok, to sum up -- there's definitely a pretty major regression on all this hardware with Xen 4.13 RC2: https://www.dell.com/en-us/work/shop/gateways-embedded-computing/sc/gateways-embedded-pcs/edge-gateway?~ck=bt Without efi=no-rs option Xen panics on boot (sorry for attaching the screenshot

Re: [Xen-devel] Likely regression in efi=no-rs option

2019-11-18 Thread Rich Persaud
On Nov 19, 2019, at 02:13, Roman Shaposhnik wrote: > > Ok, to sum up -- there's definitely a pretty major regression on all > this hardware with Xen 4.13 RC2: > > https://www.dell.com/en-us/work/shop/gateways-embedded-computing/sc/gateways-embedded-pcs/edge-gateway?~ck=bt > > Without efi=no

Re: [Xen-devel] Likely regression in efi=no-rs option

2019-11-18 Thread Roman Shaposhnik
On Mon, Nov 18, 2019 at 11:31 PM Rich Persaud wrote: > > On Nov 19, 2019, at 02:13, Roman Shaposhnik wrote: > > > > Ok, to sum up -- there's definitely a pretty major regression on all > > this hardware with Xen 4.13 RC2: > > > > https://www.dell.com/en-us/work/shop/gateways-embedded-computin

Re: [Xen-devel] Likely regression in efi=no-rs option

2019-11-19 Thread Marek Marczykowski-Górecki
On Mon, Nov 18, 2019 at 11:15:43PM -0800, Roman Shaposhnik wrote: > On Sun, Nov 17, 2019 at 5:27 PM Marek Marczykowski-Górecki > wrote: > > > > On Sun, Nov 17, 2019 at 05:06:11PM -0800, Roman Shaposhnik wrote: > > > Rich, Marek, thanks a million for quick replies -- I'll try your > > > suggestions