On 23/09/19 20:32, Jintack Lim wrote:
> On Mon, Sep 23, 2019 at 4:48 AM Paolo Bonzini wrote:
>>
>> On 23/09/19 12:42, Dr. David Alan Gilbert wrote:
>>>
>>> With those two clues, I guess maybe some dirty pages made by L2 are
>>> not transferred to the destination correctly, but I'm not really sure.
On Mon, Sep 23, 2019 at 3:42 AM Dr. David Alan Gilbert
wrote:
>
> * Jintack Lim (incredible.t...@gmail.com) wrote:
> > Hi,
>
> Copying in Paolo, since he recently did work to fix nested migration -
> it was expected to be broken until pretty recently; but 4.1.0 qemu on
> 5.3 kernel is pretty new,
On Mon, Sep 23, 2019 at 4:48 AM Paolo Bonzini wrote:
>
> On 23/09/19 12:42, Dr. David Alan Gilbert wrote:
> >
> > With those two clues, I guess maybe some dirty pages made by L2 are
> > not transferred to the destination correctly, but I'm not really sure.
> >
> > 3) It happens on Intel(R) Xeon(R)
On 23/09/19 12:42, Dr. David Alan Gilbert wrote:
>
> With those two clues, I guess maybe some dirty pages made by L2 are
> not transferred to the destination correctly, but I'm not really sure.
>
> 3) It happens on Intel(R) Xeon(R) Silver 4114 CPU, but it does not on
> Intel(R) Xeon(R) CPU E5-263
* Jintack Lim (incredible.t...@gmail.com) wrote:
> Hi,
Copying in Paolo, since he recently did work to fix nested migration -
it was expected to be broken until pretty recently; but 4.1.0 qemu on
5.3 kernel is pretty new, so I think I'd expected it to work.
> I'm seeing VM live migration failure
Hi,
I'm seeing VM live migration failure when a VM is running a nested VM.
I'm using latest Linux kernel (v5.3) and QEMU (v4.1.0). I also tried
v5.2, but the result was the same. Kernel versions in L1 and L2 VM are
v4.18, but I don't think that matters.
The symptom is that L2 VM kernel crashes in