Re: [Xen-devel] [PATCH v3 0/5] xen: Add EFI support

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 22.04.14 at 20:38, <eshelton@xxxxxxxxx> wrote:
> A reboot started by dom0 does not work.
> 
> I have applied the patches to 3.13.9 on a 64-bit Intel UEFI system.  If I
> bypass Xen, booting directly into the EFI stubbed linux kernel, I can do a
> command line reboot successfully.  However, when the same kernel is run
> under Xen, a command line reboot appears to proceed to the point where it
> should make the hypercall to Xen, but the system just hangs instead of
> rebooting.  I have to power cycle the system manually.
> 
> I have seen this on two different systems (a Macbook Air and an ASUS
> laptop).  Assuming the hypercall is being made, it seems the hypervisor is
> not correctly performing a reboot when booted under EFI.

Which you can mostly discount as an option, knowing that non-
upstream (SUSE) Linux runs fine on UEFI, including working reboot.

Jan


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