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Re: [PATCH] tools/libxl: only set viridian flags on new domains

  • To: <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • From: Igor Druzhinin <igor.druzhinin@xxxxxxxxxx>
  • Date: Wed, 3 Feb 2021 04:10:36 +0000
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  • Cc: <iwj@xxxxxxxxxxxxxx>, <wl@xxxxxxx>, <anthony.perard@xxxxxxxxxx>, <tamas.k.lengyel@xxxxxxxxx>
  • Delivery-date: Wed, 03 Feb 2021 04:10:48 +0000
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  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 03/02/2021 04:01, Igor Druzhinin wrote:
> Domains migrating or restoring should have viridian HVM param key in
> the migration stream already and setting that twice results in Xen
> returing -EEXIST on the second attempt later (during migration stream parsing)
> in case the values don't match. That causes migration/restore operation
> to fail at destination side.
> That issue is now resurfaced by the latest commits (983524671 and 7e5cffcd1e)
> extending default viridian feature set making the values from the previous
> migration streams and those set at domain construction different.
> Signed-off-by: Igor Druzhinin <igor.druzhinin@xxxxxxxxxx>

Suggested-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>




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