fib related test in net from ubuntu_kernel_selftests failed with Operation not supported / Error: Unknown device type. (config not enabled)

[Po-Hsu Lin]

These tests:
    * fib_tests.sh
    * fib-onlink-tests.sh
    * fib_rule_tests.sh

All failed on Cosmic KVM kernel with RTNETLINK answers: Operation not supported:

 selftests: net: fib_tests.sh
========================================
 Single path route test
 RTNETLINK answers: Operation not supported
 not ok 1..11 selftests: net: fib_tests.sh [FAIL]

 selftests: net: fib-onlink-tests.sh
========================================
########################################
 Configuring interfaces
 RTNETLINK answers: Operation not supported
 not ok 1..12 selftests: net: fib-onlink-tests.sh [FAIL]

 selftests: net: fib_rule_tests.sh
 ========================================
 RTNETLINK answers: Operation not supported
 not ok 1..16 selftests: net: fib_rule_tests.sh [FAIL]

(works on generic Cosmic kernel)

ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: linux-image-4.18.0-1006-kvm 4.18.0-1006.6
ProcVersionSignature: User Name 4.18.0-1006.6-kvm 4.18.17
Uname: Linux 4.18.0-1006-kvm x86_64
ApportVersion: 2.20.10-0ubuntu13.1
Architecture: amd64
Date: Mon Jan 21 08:00:22 2019
SourcePackage: linux-kvm
UpgradeStatus: No upgrade log present (probably fresh install)

[Po-Hsu Lin (cypressyew)]

Found in 4.18 Bionic AWS as well.

[Kleber Sacilotto de Souza (kleber-souza)]

Also found in cosmic/linux-azure:

https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-cosmic/cosmic/amd64/l/linux-azure/20190416_185145_846ae@/log.gz

I'll nominate this bug against cosmic/linux.

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:

apport-collect 1812622

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

[Sean Feole (sfeole)]

also occurs on AWS-disco 5.0.0-1011.12 : amd64

[Po-Hsu Lin (cypressyew)]

Error message on D-KVM:

 selftests: net: fib_tests.sh
 ========================================

 Single path route test
 Error: Unknown device type.
 not ok 1..13 selftests: net: fib_tests.sh [FAIL]
 selftests: net: fib-onlink-tests.sh
 ========================================

 ########################################
 Configuring interfaces
 Error: Unknown device type.
 not ok 1..14 selftests: net: fib-onlink-tests.sh [FAIL]
 selftests: net: fib_rule_tests.sh
 ========================================
 Error: Unknown device type.
 not ok 1..19 selftests: net: fib_rule_tests.sh [FAIL]

[Po-Hsu Lin (cypressyew)]

Didn't see this with B-GCP 5.0 kernel

[Po-Hsu Lin (cypressyew)]

Didn't see this with D-Azure 5.0 kernel.

[Po-Hsu Lin (cypressyew)]

Still exist on D-KVM 5.0
5.0.0-1020.21

[Po-Hsu Lin (cypressyew)]

Didn't see this on D-AWS

[Po-Hsu Lin (cypressyew)]

Issue found on B-5.3 generic kernel with google cloud (didn't see this issue with other gcp / gke cloud kernels)

[Brian Murray (brian-murray)]

The Eoan Ermine has reached end of life, so this bug will not be fixed for that release

[Po-Hsu Lin (cypressyew)]

fib_tests.sh / fib-onlink-tests.sh failed with Error: Unknown device type. on gkeop-5.4

[Guilherme G. Piccoli (gpiccoli)]

Found on Focal/linux-kvm, cycle sru-20210315

[Guilherme G. Piccoli (gpiccoli)]

Found on F/kvm, cycle sru-20210412

[Guilherme G. Piccoli (gpiccoli)]

Observed in F/KVM, cycle sru-20210510.

[Andrei Gherzan (agherzan)]

I have faced on on Focal linux-kvm

SRU Cycle: 2023.04.17
Series: focal
Package: linux-kvm
Version: 5.4.0-1091.97
Cloud: openstack
Instance: cpu4-ram4-disk20
Region: scalingstack_bos02
Operation: sru