ubuntu_kernel_selftests / net:gro.sh fails sometimes on 5.15 / 5.19 amd64/arm64

[Krzysztof Kozlowski]

Seen only from time to time, e.g. d2021.10.26/jammy/linux-realtime/5.15.0-1004.4/ on gonzo.amd64:
-----
23:34:02 DEBUG| [stdout] # selftests: net: gro.sh
23:34:02 DEBUG| [stdout] # running test ipv4 data
23:34:02 DEBUG| [stdout] # Expected {200 }, Total 1 packets
23:34:02 DEBUG| [stdout] # Received {200 }, Total 1 packets.
23:34:02 DEBUG| [stdout] # Expected {150 }, Total 1 packets
23:34:02 DEBUG| [stdout] # Received {150 }, Total 1 packets.
23:34:02 DEBUG| [stdout] # Expected {50 100 }, Total 2 packets
23:34:02 DEBUG| [stdout] # Received {50 100 }, Total 2 packets.
23:34:02 DEBUG| [stdout] # running test ipv4 ack
23:34:03 DEBUG| [stdout] # Expected {0 0 0 }, Total 3 packets
23:34:03 DEBUG| [stdout] # Received {0 0 0 }, Total 3 packets.
23:34:03 DEBUG| [stdout] # running test ipv4 flags
23:34:04 DEBUG| [stdout] # Expected {300 200 }, Total 2 packets
23:34:04 DEBUG| [stdout] # Received {300 200 }, Total 2 packets.
23:34:04 DEBUG| [stdout] # Expected {200 0 200 }, Total 3 packets
23:34:04 DEBUG| [stdout] # Received {200 0 200 }, Total 3 packets.
23:34:04 DEBUG| [stdout] # Expected {200 0 200 }, Total 3 packets
23:34:04 DEBUG| [stdout] # Received {200 0 200 }, Total 3 packets.
23:34:04 DEBUG| [stdout] # Expected {200 0 200 }, Total 3 packets
23:34:04 DEBUG| [stdout] # Received {200 0 200 }, Total 3 packets.
23:34:04 DEBUG| [stdout] # running test ipv4 tcp
23:34:04 DEBUG| [stdout] # Expected {100 100 }, Total 2 packets
23:34:05 DEBUG| [stdout] # Received {100 100 }, Total 2 packets.
23:34:05 DEBUG| [stdout] # Expected {100 100 }, Total 2 packets
23:34:05 DEBUG| [stdout] # Received {100 100 }, Total 2 packets.
23:34:05 DEBUG| [stdout] # Expected {200 100 100 100 }, Total 4 packets
23:34:05 DEBUG| [stdout] # Received {200 100 100 100 }, Total 4 packets.
23:34:05 DEBUG| [stdout] # Expected {200 100 }, Total 2 packets
23:34:05 DEBUG| [stdout] # Received {200 100 }, Total 2 packets.
23:34:05 DEBUG| [stdout] # running test ipv4 ip
23:34:05 DEBUG| [stdout] # Expected {100 100 }, Total 2 packets
23:34:06 DEBUG| [stdout] # Received {100 100 }, Total 2 packets.
23:34:06 DEBUG| [stdout] # Expected {100 100 }, Total 2 packets
23:34:06 DEBUG| [stdout] # Received {100 100 }, Total 2 packets.
23:34:06 DEBUG| [stdout] # Expected {100 100 }, Total 2 packets
23:34:07 DEBUG| [stdout] # Received {100 100 }, Total 2 packets.
23:34:07 DEBUG| [stdout] # Expected {100 100 100 }, Total 3 packets
23:34:09 DEBUG| [stdout] # Received {100 100 100 }, Total 3 packets.
23:34:09 DEBUG| [stdout] # Expected {100 100 }, Total 2 packets
23:34:11 DEBUG| [stdout] # Received {100 100 }, Total 2 packets.
23:34:11 DEBUG| [stdout] # running test ipv4 large
23:34:11 DEBUG| [stdout] # Expected {65495 919 }, Total 2 packets
23:34:12 DEBUG| [stdout] # Received {65495 919 }, Total 2 packets.
23:34:12 DEBUG| [stdout] # Expected {64576 920 920 }, Total 3 packets
23:34:12 DEBUG| [stdout] # Received {12108 [!=64576]53388 [!=920]920 }, Total 3 packets.
23:34:12 DEBUG| [stdout] # ./gro: incorrect packet geometry
23:34:12 DEBUG| [stdout] # Expected {65495 919 }, Total 2 packets
23:34:12 DEBUG| [stdout] # Received {65495 919 }, Total 2 packets.
23:34:12 DEBUG| [stdout] # Expected {64576 920 920 }, Total 3 packets
23:34:12 DEBUG| [stdout] # Received {16144 [!=64576]49352 [!=920]920 }, Total 3 packets.
23:34:12 DEBUG| [stdout] # ./gro: incorrect packet geometry
23:34:12 DEBUG| [stdout] # Expected {65495 919 }, Total 2 packets
23:34:13 DEBUG| [stdout] # Received {65495 919 }, Total 2 packets.
23:34:13 DEBUG| [stdout] # Expected {64576 920 920 }, Total 3 packets
23:34:13 DEBUG| [stdout] # Received {32288 [!=64576]33208 [!=920]920 }, Total 3 packets.
23:34:13 DEBUG| [stdout] # ./gro: incorrect packet geometry
23:34:13 DEBUG| [stdout] # running test ipv6 data
23:34:13 DEBUG| [stdout] # Expected {200 }, Total 1 packets
23:34:14 DEBUG| [stdout] # Received {200 }, Total 1 packets.
23:34:14 DEBUG| [stdout] # Expected {150 }, Total 1 packets
23:34:14 DEBUG| [stdout] # Received {150 }, Total 1 packets.
23:34:14 DEBUG| [stdout] # Expected {50 100 }, Total 2 packets
23:34:14 DEBUG| [stdout] # Received {50 100 }, Total 2 packets.
23:34:14 DEBUG| [stdout] # running test ipv6 ack
23:34:14 DEBUG| [stdout] # Expected {0 0 0 }, Total 3 packets
23:34:15 DEBUG| [stdout] # Received {0 0 0 }, Total 3 packets.
23:34:15 DEBUG| [stdout] # running test ipv6 flags
23:34:15 DEBUG| [stdout] # Expected {300 200 }, Total 2 packets
23:34:16 DEBUG| [stdout] # Received {300 200 }, Total 2 packets.
23:34:16 DEBUG| [stdout] # Expected {200 0 200 }, Total 3 packets
23:34:16 DEBUG| [stdout] # Received {200 0 200 }, Total 3 packets.
23:34:16 DEBUG| [stdout] # Expected {200 0 200 }, Total 3 packets
23:34:16 DEBUG| [stdout] # Received {200 0 200 }, Total 3 packets.
23:34:16 DEBUG| [stdout] # Expected {200 0 200 }, Total 3 packets
23:34:16 DEBUG| [stdout] # Received {200 0 200 }, Total 3 packets.
23:34:16 DEBUG| [stdout] # running test ipv6 tcp
23:34:16 DEBUG| [stdout] # Expected {100 100 }, Total 2 packets
23:34:16 DEBUG| [stdout] # Received {100 100 }, Total 2 packets.
23:34:16 DEBUG| [stdout] # Expected {100 100 }, Total 2 packets
23:34:16 DEBUG| [stdout] # Received {100 100 }, Total 2 packets.
23:34:16 DEBUG| [stdout] # Expected {200 100 100 100 }, Total 4 packets
23:34:16 DEBUG| [stdout] # Received {200 100 100 100 }, Total 4 packets.
23:34:16 DEBUG| [stdout] # Expected {200 100 }, Total 2 packets
23:34:16 DEBUG| [stdout] # Received {200 100 }, Total 2 packets.
23:34:16 DEBUG| [stdout] # running test ipv6 ip
23:34:17 DEBUG| [stdout] # Expected {100 100 }, Total 2 packets
23:34:17 DEBUG| [stdout] # Received {100 100 }, Total 2 packets.
23:34:17 DEBUG| [stdout] # Expected {100 100 }, Total 2 packets
23:34:17 DEBUG| [stdout] # Received {100 100 }, Total 2 packets.
23:34:17 DEBUG| [stdout] # Expected {200 100 }, Total 2 packets
23:34:17 DEBUG| [stdout] # Received {200 100 }, Total 2 packets.
23:34:17 DEBUG| [stdout] # running test ipv6 large
23:34:18 DEBUG| [stdout] # Expected {65475 899 }, Total 2 packets
23:34:18 DEBUG| [stdout] # Received {65475 899 }, Total 2 packets.
23:34:18 DEBUG| [stdout] # Expected {64576 900 900 }, Total 3 packets
23:34:18 DEBUG| [stdout] # Received {16144 [!=64576]49332 [!=900]900 }, Total 3 packets.
23:34:18 DEBUG| [stdout] # ./gro: incorrect packet geometry
23:34:18 DEBUG| [stdout] # Expected {65475 899 }, Total 2 packets
23:34:19 DEBUG| [stdout] # Received {65475 899 }, Total 2 packets.
23:34:19 DEBUG| [stdout] # Expected {64576 900 900 }, Total 3 packets
23:34:19 DEBUG| [stdout] # Received {64576 900 900 }, Total 3 packets.
23:34:19 DEBUG| [stdout] # failed tests: ipv4_large. Please see log.txt for more logs
23:34:19 DEBUG| [stdout] not ok 1 selftests: net: gro.sh # exit=1
-----

Not possible to reproduce manually on akis.amd64 or avoton instances.

[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 1959587

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.

[Po-Hsu Lin (cypressyew)]

This can be found on J-hwe-5.19.0-1020.21~22.04.1 ARM64 starmie-kernel as well.