Re: [Xen-devel] [Xen-users] Only one CPU available to Xen? (nr_cpus : 1)

2018-03-06 Thread Jan Beulich
>>> On 06.03.18 at 12:50, wrote: > Regarding the second method of having UEFI loading directly the Xen > EFI, I tried this out yesterday using the instructions on the Xen wiki > (https://wiki.xenproject.org/wiki/Xen_EFI#Xen_as_EFI_binary_.28loading.29) > but I get the following error message right

Re: [Xen-devel] [Xen-users] Only one CPU available to Xen? (nr_cpus : 1)

2018-03-06 Thread John Naggets
On Tue, Mar 6, 2018 at 11:39 AM, Jan Beulich wrote: > As indicated in another reply, try using GrUB's "chainloader" > directive or boot xen.efi directly from the EFI shell or the EFI > boot loader. Sorry for my naive question but how do I chainload Xen with GRUB? I did not find any documentation

Re: [Xen-devel] [Xen-users] Only one CPU available to Xen? (nr_cpus : 1)

2018-03-06 Thread Jan Beulich
>>> On 06.03.18 at 11:24, wrote: > On Tue, Mar 6, 2018 at 11:15 AM, Andrew Cooper > wrote: >> Alternatively, switch back to legacy boot, at which point it will all >> start working again. > > This is unfortunately not possible. This is a new server which does > not offer legacy boot any more, it

Re: [Xen-devel] [Xen-users] Only one CPU available to Xen? (nr_cpus : 1)

2018-03-06 Thread John Naggets
On Tue, Mar 6, 2018 at 11:15 AM, Andrew Cooper wrote: > Upgrade Grub to 2.02. > > The problem here is that Grub is starting EFI, but doesn't pass the EFI > details to Xen, and Xen therefore cannot locate the RSDP. I think my Ubuntu 17.10 system is already using GRUB 2.02, at least this is how it

Re: [Xen-devel] [Xen-users] Only one CPU available to Xen? (nr_cpus : 1)

2018-03-06 Thread George Dunlap
On Tue, Mar 6, 2018 at 10:15 AM, Andrew Cooper wrote: > On 06/03/18 10:04, George Dunlap wrote: >> [Moving over to xen-devel, cc'ing a few people] >> >> On Tue, Mar 6, 2018 at 8:16 AM, John Naggets >> wrote: >>> Hi George, >>> >>> You will find the output of "xl dmesg" below. I also managed to >

Re: [Xen-devel] [Xen-users] Only one CPU available to Xen? (nr_cpus : 1)

2018-03-06 Thread Jan Beulich
>>> On 06.03.18 at 11:19, wrote: On 06.03.18 at 11:04, wrote: >> On Tue, Mar 6, 2018 at 8:16 AM, John Naggets >> wrote: >>> You will find the output of "xl dmesg" below. I also managed to >>> reproduce this problem on another test server. That test server is an >>> IBM System x3250 M5 serv

Re: [Xen-devel] [Xen-users] Only one CPU available to Xen? (nr_cpus : 1)

2018-03-06 Thread Jan Beulich
>>> On 06.03.18 at 11:04, wrote: > On Tue, Mar 6, 2018 at 8:16 AM, John Naggets wrote: >> You will find the output of "xl dmesg" below. I also managed to >> reproduce this problem on another test server. That test server is an >> IBM System x3250 M5 server which uses UEFI. So the hardware is not

Re: [Xen-devel] [Xen-users] Only one CPU available to Xen? (nr_cpus : 1)

2018-03-06 Thread Andrew Cooper
On 06/03/18 10:04, George Dunlap wrote: > [Moving over to xen-devel, cc'ing a few people] > > On Tue, Mar 6, 2018 at 8:16 AM, John Naggets wrote: >> Hi George, >> >> You will find the output of "xl dmesg" below. I also managed to >> reproduce this problem on another test server. That test server i

Re: [Xen-devel] [Xen-users] Only one CPU available to Xen? (nr_cpus : 1)

2018-03-06 Thread George Dunlap
[Moving over to xen-devel, cc'ing a few people] On Tue, Mar 6, 2018 at 8:16 AM, John Naggets wrote: > Hi George, > > You will find the output of "xl dmesg" below. I also managed to > reproduce this problem on another test server. That test server is an > IBM System x3250 M5 server which uses UEFI