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[Bug 2055473] [NEW] mtu.sh net selftest fail with PMTU exception wasn't created after exceeding MTU

 

Public bug reported:

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)

** Affects: ubuntu-kernel-tests
     Importance: Undecided
         Status: New

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: linux (Ubuntu Mantic)
     Importance: Undecided
         Status: New

** Affects: linux (Ubuntu Noble)
     Importance: Undecided
         Status: New

** Attachment added: "rt.log"
   https://bugs.launchpad.net/bugs/2055473/+attachment/5750793/+files/rt.log

** Also affects: linux (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Noble)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Mantic)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/2055473

Title:
  mtu.sh net selftest fail with PMTU exception wasn't created after
  exceeding MTU

Status in ubuntu-kernel-tests:
  New
Status in linux package in Ubuntu:
  New
Status in linux source package in Mantic:
  New
Status in linux source package in Noble:
  New

Bug description:
  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)

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