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Bug 2212380 - having many VFs can lead to incorrect behavior
Summary: having many VFs can lead to incorrect behavior
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 9
Classification: Red Hat
Component: nmstate
Version: 9.3
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: rc
: ---
Assignee: Gris Ge
QA Contact: Mingyu Shi
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2023-06-05 13:29 UTC by Vladimir Benes
Modified: 2023-11-07 09:02 UTC (History)
6 users (show)

Fixed In Version: nmstate-2.2.12-2.el9
Doc Type: No Doc Update
Doc Text:
If this bug requires documentation, please select an appropriate Doc Type value.
Clone Of:
Environment:
Last Closed: 2023-11-07 08:24:03 UTC
Type: Bug
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Github nmstate nmstate pull 2366 0 None open sriov: Fix regression on waiting SRIOV 2023-06-06 10:03:42 UTC
Red Hat Issue Tracker NMT-596 0 None None None 2023-06-06 10:09:08 UTC
Red Hat Issue Tracker RHELPLAN-159059 0 None None None 2023-06-06 10:09:14 UTC
Red Hat Product Errata RHBA-2023:6323 0 None None None 2023-11-07 08:24:18 UTC

Description Vladimir Benes 2023-06-05 13:29:25 UTC 
Description of problem:
We have an InfiniBand test case where we create 45 VFs and then move to 60 VFs. NM has to go to 0 and then to 60 which takes time and in the meantime nmstate timeouts. 

https://desktopqe-jenkins.rhev-ci-vms.eng.rdu2.redhat.com/job/beaker-NetworkManager-dcb-RHEL-9.3/6/artifact/artifacts/FAIL_report_NetworkManager-dcb_Test0036_sriov_nmstate_many_vfs.html

Version-Release number of selected component (if applicable):
nmstate-2.2.11-1.el9.x86_64
NetworkManager-1.43.9-1.el9.x86_64
kernel-5.14.0-319.el9.x86_64

This wasn't present with 9.2

How reproducible:
always

Steps to Reproduce:
1. run the reproducer on the machine dell-per720-03.klab.eng.bos.redhat.com
2.
3.

Actual results:
Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/behave/model.py", line 1329, in run
    match.run(runner.context)
  File "/usr/local/lib/python3.9/site-packages/behave/matchers.py", line 98, in run
    self.func(context, *args, **kwargs)
  File "features/steps/commands.py", line 68, in execute_command
    context.process.run_stdout(
  File "/mnt/tests/NetworkManager-ci/nmci/process.py", line 341, in run_stdout
    return self._run(
  File "/mnt/tests/NetworkManager-ci/nmci/process.py", line 272, in _run
    self.raise_results(argv_real, f"exited with {returncode}", results)
  File "/mnt/tests/NetworkManager-ci/nmci/process.py", line 206, in raise_results
    raise Exception(msg)
Exception: `nmstatectl apply /tmp/many-vfs.yaml` exited with 1
STDERR:
[2023-06-02T08:00:30Z INFO  nmstate::query_apply::net_state] Created checkpoint /org/freedesktop/NetworkManager/Checkpoint/2
[2023-06-02T08:00:30Z INFO  nmstate::nm::query_apply::profile] Modifying connection UUID Some("56cdfe28-b6e5-47e7-a12a-1ff335e9051a"), ID Some("p4p1"), type Some("802-3-ethernet") name Some("p4p1")
[2023-06-02T08:00:30Z INFO  nmstate::nm::query_apply::profile] Reapplying connection 56cdfe28-b6e5-47e7-a12a-1ff335e9051a: p4p1/802-3-ethernet
[2023-06-02T08:00:35Z INFO  nmstate::query_apply::net_state] Retrying on: VerificationError: Verification failure: p4p1.interface.ethernet.sr-iov.total-vfs desire '60', current '0'
[2023-06-02T08:00:43Z INFO  nmstate::query_apply::net_state] Retrying on: VerificationError: Verification failure: p4p1.interface.ethernet.sr-iov.total-vfs desire '60', current '0'
[2023-06-02T08:00:52Z INFO  nmstate::query_apply::net_state] Retrying on: VerificationError: Verification failure: p4p1.interface.ethernet.sr-iov.total-vfs desire '60', current '0'
[2023-06-02T08:00:57Z INFO  nmstate::query_apply::net_state] Retrying on: VerificationError: Verification failure: p4p1.interface.ethernet.sr-iov.total-vfs desire '60', current '0'
[2023-06-02T08:01:04Z INFO  nmstate::query_apply::net_state] Retrying on: VerificationError: Verification failure: p4p1.interface.ethernet.sr-iov.total-vfs desire '60', current '0'
[2023-06-02T08:01:07Z INFO  nmstate::nm::query_apply::profile] Modifying connection UUID Some("56cdfe28-b6e5-47e7-a12a-1ff335e9051a"), ID Some("p4p1"), type Some("802-3-ethernet") name Some("p4p1")
[2023-06-02T08:01:07Z INFO  nmstate::nm::query_apply::profile] Reapplying connection 56cdfe28-b6e5-47e7-a12a-1ff335e9051a: p4p1/802-3-ethernet
[2023-06-02T08:01:13Z INFO  nmstate::query_apply::net_state] Retrying on: VerificationError: Verification failure: p4p1.interface.ethernet.sr-iov.total-vfs desire '60', current '0'
[2023-06-02T08:01:15Z INFO  nmstate::query_apply::net_state] Retrying on: VerificationError: Verification failure: p4p1.interface.ethernet.sr-iov.total-vfs desire '60', current '0'
[2023-06-02T08:01:19Z INFO  nmstate::query_apply::net_state] Retrying on: VerificationError: Verification failure: p4p1.interface.ethernet.sr-iov.total-vfs desire '60', current '0'
[2023-06-02T08:01:22Z INFO  nmstate::query_apply::net_state] Retrying on: VerificationError: Verification failure: p4p1.interface.ethernet.sr-iov.total-vfs desire '60', current '0'
[2023-06-02T08:01:47Z INFO  nmstate::query_apply::net_state] Rollbacked to checkpoint /org/freedesktop/NetworkManager/Checkpoint/2
NmstateError: VerificationError: Verification failure: p4p1.interface.ethernet.sr-iov.total-vfs desire '60', current '0'


Expected results:
success

Additional info:
Comment 1 Gris Ge 2023-06-06 10:03:42 UTC 
Patch sent to upstream: https://github.com/nmstate/nmstate/pull/2366

To reproduce the issue, just set SRIOV VF to 62 and then changed to 63.
Comment 4 Mingyu Shi 2023-06-29 12:53:05 UTC 
Verified with:
nmstate-2.2.12-2.el9.x86_64
nispor-1.2.10-1.el9.x86_64
NetworkManager-1.43.10-1.el9.x86_64
Linux dell-per740-70.rhts.eng.pek2.redhat.com 5.14.0-332.el9.x86_64 #1 SMP PREEMPT_DYNAMIC Mon Jun 26 12:34:51 EDT 2023 x86_64 x86_64 x86_64 GNU/Linux
DISTRO=RHEL-9.3.0-20230628.0

Tested drivers ixgbe and i40e
Comment 6 errata-xmlrpc 2023-11-07 08:24:03 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 (nmstate bug fix and enhancement update), 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-2023:6323
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