Bug 1468620 - Nova cannot configure MTU for DPDK ports; sets to default MTU.
Summary: Nova cannot configure MTU for DPDK ports; sets to default MTU.
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat OpenStack
Classification: Red Hat
Component: openstack-nova
Version: 10.0 (Newton)
Hardware: x86_64
OS: Linux
high
high
Target Milestone: z4
: 10.0 (Newton)
Assignee: Sahid Ferdjaoui
QA Contact: awaugama
URL:
Whiteboard:
Depends On: 1447081
Blocks:
TreeView+ depends on / blocked
 
Reported: 2017-07-07 14:50 UTC by Vincent S. Cojot
Modified: 2020-12-14 09:03 UTC (History)
14 users (show)

Fixed In Version: openstack-nova-14.0.7-10.el7ost
Doc Type: Bug Fix
Doc Text:
Cause: When using DPDK ports, the MTU passed by Neutron to Nova is not take into account. Consequence: The ports are configured to a default value which may not match what is expected (for example,jumbo frames).
Clone Of:
Environment:
Last Closed: 2017-09-06 17:04:57 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
OpenStack gerrit 111931 0 None MERGED Making nova.compute.api to return Aggregate Objects 2020-06-29 18:47:34 UTC
Red Hat Product Errata RHBA-2017:2652 0 normal SHIPPED_LIVE openstack-nova bug fix advisory 2017-09-06 20:54:28 UTC

Description Vincent S. Cojot 2017-07-07 14:50:31 UTC 
Description of problem:

on OSP10 DPDK, VM instances on DPDK never get the MTU of the ovs bridge they get attached to.
3 backports were identified as being needed. This BZ is to track the openstack-nova backport ([2])

[0] 7a5eb34bd697b7e4cf5e0d5e48e3ec84ff11effa
[1] f3130fe8e23fb07532bb3d740fffaf07481c1e70
[2] 43565ffb9785f6e4848a001cc4be5cec91bfeab1
Comment 6 errata-xmlrpc 2017-09-06 17:04:57 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2017:2652
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