Just a note to inform you that I've submitted a new patch on a
separate thread -- dealing with VM live migration after receiving
memory errors:
https://lore.kernel.org/qemu-devel/20231013150839.867164-3-william.ro...@oracle.com/
This patch belongs to a 2 patches set that should fix the migration
On 9/22/23 16:30, Yazen Ghannam wrote:
On 9/22/23 4:36 AM, William Roche wrote:
On 9/21/23 19:41, Yazen Ghannam wrote:
[...]
Also, during page migration, does the data flow through the CPU core?
Sorry for the basic question. I haven't done a lot with virtualization.
Yes, in most cases (with t
On 9/22/23 4:36 AM, William Roche wrote:
> On 9/21/23 19:41, Yazen Ghannam wrote:
>> On 9/20/23 7:13 AM, Joao Martins wrote:
>>> On 18/09/2023 23:00, William Roche wrote:
[...]
So it looks like the mechanism works fine... unless the VM has migrated
between the SRAO error and the firs
On 9/21/23 19:41, Yazen Ghannam wrote:
On 9/20/23 7:13 AM, Joao Martins wrote:
On 18/09/2023 23:00, William Roche wrote:
[...]
So it looks like the mechanism works fine... unless the VM has migrated
between the SRAO error and the first time it really touches the poisoned
page to get an SRAR err
On 9/20/23 7:13 AM, Joao Martins wrote:
> On 18/09/2023 23:00, William Roche wrote:
>> Hi John,
>>
>> I'd like to put the emphasis on the fact that ignoring the SRAO error
>> for a VM is a real problem at least for a specific (rare) case I'm
>> currently working on: The VM migration.
>>
>> Context:
On 18/09/2023 23:00, William Roche wrote:
> Hi John,
>
> I'd like to put the emphasis on the fact that ignoring the SRAO error
> for a VM is a real problem at least for a specific (rare) case I'm
> currently working on: The VM migration.
>
> Context:
>
> - In the case of a poisoned page in the V
Hi John,
I'd like to put the emphasis on the fact that ignoring the SRAO error
for a VM is a real problem at least for a specific (rare) case I'm
currently working on: The VM migration.
Context:
- In the case of a poisoned page in the VM address space, the migration
can't read it and will skip
From: William Roche
AMD guests can't currently deal with BUS_MCEERR_AO MCE injection
as it panics the VM kernel. We filter this event and provide a
warning message.
Signed-off-by: William Roche
---
v3:
- New patch
v4:
- Remove redundant check for AO errors
---
target/i386/kvm/kvm.c | 9
From: William Roche
AMD guests can't currently deal with BUS_MCEERR_AO MCE injection
as it panics the VM kernel. We filter this event and provide a
warning message.
Signed-off-by: William Roche
---
v3:
- New patch
v4:
- Remove redundant check for AO errors
---
target/i386/kvm/kvm.c | 9 +++
