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

From: Paolo Bonzini
Subject: Re: [Qemu-devel] virsh dump (qemu guest memory dump?): KASLR enabled linux guest support
Date: Mon, 14 Nov 2016 12:55:15 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0

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.


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