docs: Highlight the current broken state of SEV
This won't be resolved in time for Train GA, so add a release note highlighting the problem until such a time as the release is fixed. Change-Id: Iae30e12084640d1c0f072d2db18653111988929e Signed-off-by: Stephen Finucane <sfinucan@redhat.com> Related-Bug: #1845986 Stable-Only
This commit is contained in:
parent
30591da283
commit
9545edc79d
|
@ -684,6 +684,16 @@ explained above.
|
||||||
Impermanent limitations
|
Impermanent limitations
|
||||||
-----------------------
|
-----------------------
|
||||||
|
|
||||||
|
The following image metadata options are incompatible with the feature due to
|
||||||
|
`bug #1845986 <https://bugs.launchpad.net/nova/+bug/1845986>`__.
|
||||||
|
|
||||||
|
- ``hw_scsi_model=virtio-scsi`` and either ``hw_disk_bus=scsi`` or
|
||||||
|
``hw_cdrom_bus=scsi``
|
||||||
|
- ``hw_video_model=virtio``
|
||||||
|
- ``hw_qemu_guest_agent=yes``
|
||||||
|
|
||||||
|
This limitation will be resolved in the future.
|
||||||
|
|
||||||
The following limitations may be removed in the future as the
|
The following limitations may be removed in the future as the
|
||||||
hardware, firmware, and various layers of software receive new
|
hardware, firmware, and various layers of software receive new
|
||||||
features:
|
features:
|
||||||
|
|
|
@ -0,0 +1,21 @@
|
||||||
|
---
|
||||||
|
issues:
|
||||||
|
- |
|
||||||
|
The support for guest RAM encryption using AMD SEV (Secure Encrypted
|
||||||
|
Virtualization) added in Train is incompatible with a number of image
|
||||||
|
metadata options:
|
||||||
|
|
||||||
|
- ``hw_scsi_model=virtio-scsi`` and either ``hw_disk_bus=scsi`` or
|
||||||
|
``hw_cdrom_bus=scsi``
|
||||||
|
- ``hw_video_model=virtio``
|
||||||
|
- ``hw_qemu_guest_agent=yes``
|
||||||
|
|
||||||
|
When used together, the guest kernel can malfunction with repeated warnings
|
||||||
|
like::
|
||||||
|
|
||||||
|
NMI watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [system-udevd:272]
|
||||||
|
|
||||||
|
This will be resolved in a future patch release. For more information,
|
||||||
|
refer to `bug 1845986`__
|
||||||
|
|
||||||
|
__ https://bugs.launchpad.net/nova/+bug/1845986
|
Loading…
Reference in New Issue