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[OpenStack Infra <1879964@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.opendev.org/729967
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=f76d09b19d5b7530b7e4e9fc255835f6aff5db6a
Submitter: Zuul
Branch:    master

commit f76d09b19d5b7530b7e4e9fc255835f6aff5db6a
Author: Stephen Finucane <stephenfin@xxxxxxxxxx>
Date:   Thu May 21 14:43:25 2020 +0100

    hardware: Raise useful error for invalid mempage size
    
    The 'hw:mem_page_size' extra spec allows you to specify values in three
    ways: via a relative size alias (large, small, any), via exact byte
    values, and via an SI/IEC/mixed representation (e.g. 2MB, 1GB).
    Currently, attempting to use an invalid variant of the latter, such as
    '2M', will raise a rather confusing error message:
    
      Invalid memory page size '0'
    
    Correct this so we instead see something like so:
    
      Invalid memory page size '2M'
    
    Change-Id: I3af99f03514904da09f7b71f430b43bf75e8be67
    Signed-off-by: Stephen Finucane <stephenfin@xxxxxxxxxx>
    Closes-Bug: #1879964


** Changed in: nova
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1879964

Title:
  Invalid value for 'hw:mem_page_size' raises confusing error

Status in OpenStack Compute (nova):
  Fix Released

Bug description:
  Configure a flavor like so:

    openstack flavor create hugepage  --ram 1024 --disk 10 --vcpus 1 test
    openstack flavor set  hugepage --property hw:mem_page_size=2M test

  Attempt to boot an instance. It will fail with the following error
  message:

    Invalid memory page size '0' (HTTP 400) (Request-ID: req-
  338bf619-3a54-45c5-9c59-ad8c1d425e91)

  You wouldn't know from reading it, but this is because the property
  should read 'hw:mem_page_size=2MB' (note the extra 'B').

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