** Description changed: + Issue found on J-gcp-6.5.0-1015.15~22.04.1 and M-gcp-6.5.0-1015.15 in + cycle sru-20240205 + + And can be reproduced with generic kernel on GCP cloud. + + This is not a regression but something emerges after the pmtu.sh result + parsing logic update, which landed via stable update in sru-20240205 + cycle (bug 2043198) + + Dive into test history, we can see this failure all the way back to + sru-20231030 with M-6.5.0-1010.10 on GCP cloud. + 19:48:21 DEBUG| [stdout] # selftests: net: pmtu.sh 19:48:21 DEBUG| [stdout] # TEST: ipv4: PMTU exceptions [ OK ] 19:48:21 DEBUG| [stdout] # TEST: ipv4: PMTU exceptions - nexthop objects [ OK ] 19:48:22 DEBUG| [stdout] # TEST: ipv6: PMTU exceptions [ OK ] 19:48:22 DEBUG| [stdout] # TEST: ipv6: PMTU exceptions - nexthop objects [ OK ] 19:48:23 DEBUG| [stdout] # TEST: ICMPv4 with DSCP and ECN: PMTU exceptions [FAIL] 19:48:23 DEBUG| [stdout] # PMTU exception wasn't created after exceeding MTU 19:48:24 DEBUG| [stdout] # TEST: ICMPv4 with DSCP and ECN: PMTU exceptions - nexthop objects [FAIL] 19:48:24 DEBUG| [stdout] # PMTU exception wasn't created after exceeding MTU 19:48:25 DEBUG| [stdout] # TEST: UDPv4 with DSCP and ECN: PMTU exceptions [FAIL] 19:48:25 DEBUG| [stdout] # PMTU exception wasn't created after exceeding MTU 19:48:25 DEBUG| [stdout] # TEST: UDPv4 with DSCP and ECN: PMTU exceptions - nexthop objects [FAIL] 19:48:25 DEBUG| [stdout] # PMTU exception wasn't created after exceeding MTU .... Logfile also attached (rt.log)
** Tags added: jammy sru-s20231030 ** Tags added: gcp -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2055473 Title: pmtu.sh net selftest fail with PMTU exception wasn't created after exceeding MTU To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/2055473/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs