Could be a feature for the safety check here
** Changed in: nova
Status: Incomplete => Opinion
** Changed in: nova
Importance: Undecided => Wishlist
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https://bugs.launchpad.net/bugs/1412994
Title:
cirros image fails to boot when libvirt.cpu_mode=custom and
libvirt.cpu_model=pentium
Status in OpenStack Compute (Nova):
Opinion
Bug description:
I try to set the libvirt.cpu_mode=custom and
libvirt.cpu_model=pentium, and then boot a vm using cirros image. The
'nova boot' command create the instance successfully while the
instance failed to boot because the image requires x86_64 while
pentium has no x86_64 support.
Then I try to set the image's architecture property to be x86_64,
with "glance image-update IMG-UUID --property architecture=x86_64".
After this, the instance is created successfully by 'nova boot' but
instance still fails to boot.
I think the reason is because, when libvirt_cpu_model=perntium, the
compute node should in fact report it's capability as that of Pertium
processor, instead of the host processor anymore.
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