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

[Eric Shelton <knockknock@xxxxxxxxx>]

It's helpful having that data point.  Another useful one would be if anyone is 
successfully rebooting with the _current_ patch set.

If I recall correctly, these EFI patches began with your work on SUSE.  Did 
something get lost along the way?

- Eric

On Apr 23, 2014, at 5:28 AM, "Jan Beulich" <JBeulich@xxxxxxxx> wrote:

>>>> 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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