Re: [Qemu-devel] virsh dump (qemu guest memory dump?): KASLR enabled linux guest support

[Paolo Bonzini]

On 14/11/2016 11:33, Daniel P. Berrange wrote:
> On Mon, Nov 14, 2016 at 11:28:04AM +0100, Paolo Bonzini wrote:
>>
>>
>> On 14/11/2016 11:10, Daniel P. Berrange wrote:
>>> There's already patches posted to create a virtio-pstore device for
>>> QEMU, which is what led me to suggest this as an option:
>>>
>>>   https://lists.nongnu.org/archive/html/qemu-devel/2016-09/msg00381.html
>>
>> It's also possible to use UEFI as a pstore backend.
> 
> Presumably that'll also require some QEMU patches to provide storage
> for UEFI's pstore ?

That's just the UEFI variable store.  But for some reason Fedora doesn't
set CONFIG_EFI_VARS, so the next possibility is to use ACPI ERST.  This
would not require any change to guests, unlike virtio-pstore.

Paolo