Re: [SUSPECTED SPAM]Xen-unstable :can't boot HVM guests, bisected to commit: "hvmloader: indicate ACPI tables with "ACPI data" type in e820"

[Igor Druzhinin <igor.druzhinin@xxxxxxxxxx>]

On 10/10/2020 18:51, Sander Eikelenboom wrote:
> Hi Igor/Jan,
> 
> I tried to update my AMD machine to current xen-unstable, but
> unfortunately the HVM guests don't boot after that. The guest keeps
> using CPU-cycles but I don't get to a command prompt (or any output at
> all). PVH guests run fine.
> 
> Bisection leads to commit:
> 
> 8efa46516c5f4cf185c8df179812c185d3c27eb6
> hvmloader: indicate ACPI tables with "ACPI data" type in e820
> 
> I tried xen-unstable with this commit reverted and with that everything
> works fine.
> 
> I attached the xl-dmesg output.

What guests are you using? Could you get serial output from the guest?
Is it AMD specific? If it's a Linux guest could you get a stacktrace from
the guest using xenctx?

We have tested the change on all modern guests in our Citrix lab and haven't
found any problem for several months. 

Igor