http://patchwork.ozlabs.org/patch/1202263/
Upstream change submitted to fix this.
** Changed in: linux-hwe-edge (Ubuntu)
Status: Invalid => In Progress
** Changed in: linux-hwe-edge (Ubuntu Bionic)
Status: Invalid => In Progress
** Description changed:
+ [Impact]
+ selftests will incorrectly indicate a failure, taking the time of developers
to verify a false positive, and preventing us from finding real bugs in the
corresponding code.
+
+ [Test case]
+ Run the script directly and verify there are no failures.
+ sudo ./tools/testing/selftests/net/pmtu.sh
+
+ [Regression potential]
+ No kernel code was changed, only the test. The fix could cause false
positives to happen with newer versions of iproute2, but those were tested as
well.
+
+
+ ------------------------------------
+
11:52:44 DEBUG| [stdout] # selftests: net: pmtu.sh
11:52:44 DEBUG| [stdout] # TEST: ipv4: PMTU exceptions
[ OK ]
11:52:44 DEBUG| [stdout] # TEST: ipv6: PMTU exceptions
[ OK ]
11:52:44 DEBUG| [stdout] # vxlan4 not supported
11:52:44 DEBUG| [stdout] # TEST: IPv4 over vxlan4: PMTU exceptions
[SKIP]
11:52:44 DEBUG| [stdout] # vxlan4 not supported
11:52:44 DEBUG| [stdout] # TEST: IPv6 over vxlan4: PMTU exceptions
[SKIP]
11:52:46 DEBUG| [stdout] # TEST: IPv4 over vxlan6: PMTU exceptions
[ OK ]
11:52:47 DEBUG| [stdout] # TEST: IPv6 over vxlan6: PMTU exceptions
[ OK ]
11:52:47 DEBUG| [stdout] # geneve4 not supported
11:52:47 DEBUG| [stdout] # TEST: IPv4 over geneve4: PMTU exceptions
[SKIP]
11:52:47 DEBUG| [stdout] # geneve4 not supported
11:52:47 DEBUG| [stdout] # TEST: IPv6 over geneve4: PMTU exceptions
[SKIP]
11:52:48 DEBUG| [stdout] # TEST: IPv4 over geneve6: PMTU exceptions
[ OK ]
11:52:49 DEBUG| [stdout] # TEST: IPv6 over geneve6: PMTU exceptions
[ OK ]
11:52:51 DEBUG| [stdout] # TEST: IPv4 over fou4: PMTU exceptions
[ OK ]
11:52:52 DEBUG| [stdout] # TEST: IPv6 over fou4: PMTU exceptions
[ OK ]
11:52:53 DEBUG| [stdout] # TEST: IPv4 over fou6: PMTU exceptions
[ OK ]
11:52:54 DEBUG| [stdout] # TEST: IPv6 over fou6: PMTU exceptions
[ OK ]
11:52:55 DEBUG| [stdout] # TEST: IPv4 over gue4: PMTU exceptions
[ OK ]
11:52:57 DEBUG| [stdout] # TEST: IPv6 over gue4: PMTU exceptions
[ OK ]
11:52:58 DEBUG| [stdout] # TEST: IPv4 over gue6: PMTU exceptions
[ OK ]
11:52:59 DEBUG| [stdout] # TEST: IPv6 over gue6: PMTU exceptions
[ OK ]
11:53:00 DEBUG| [stdout] # TEST: vti6: PMTU exceptions
[ OK ]
11:53:03 DEBUG| [stdout] # TEST: vti4: PMTU exceptions
[ OK ]
11:53:03 DEBUG| [stdout] # TEST: vti4: default MTU assignment
[ OK ]
11:53:03 DEBUG| [stdout] # TEST: vti6: default MTU assignment
[ OK ]
11:53:03 DEBUG| [stdout] # TEST: vti4: MTU setting on link creation
[ OK ]
11:53:04 DEBUG| [stdout] # TEST: vti6: MTU setting on link creation
[ OK ]
11:53:04 DEBUG| [stdout] # TEST: vti6: MTU changes on link changes
[ OK ]
11:53:04 DEBUG| [stdout] # vxlan4 not supported
11:53:04 DEBUG| [stdout] # TEST: ipv4: cleanup of cached exceptions
[SKIP]
....
-
Upgrading iproute2 to 5.2 fixes this.
** Changed in: linux-hwe-edge (Ubuntu)
Assignee: (unassigned) => Thadeu Lima de Souza Cascardo (cascardo)
** Changed in: linux-hwe-edge (Ubuntu Bionic)
Assignee: (unassigned) => Thadeu Lima de Souza Cascardo (cascardo)
--
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to iproute2 in Ubuntu.
https://bugs.launchpad.net/bugs/1854001
Title:
pmtu net kernel selftests are skipped on bionic linux-hwe-edge 5.3
Status in ubuntu-kernel-tests:
New
Status in iproute2 package in Ubuntu:
Fix Released
Status in linux-hwe-edge package in Ubuntu:
In Progress
Status in iproute2 source package in Bionic:
New
Status in linux-hwe-edge source package in Bionic:
In Progress
Bug description:
[Impact]
selftests will incorrectly indicate a failure, taking the time of developers
to verify a false positive, and preventing us from finding real bugs in the
corresponding code.
[Test case]
Run the script directly and verify there are no failures.
sudo ./tools/testing/selftests/net/pmtu.sh
[Regression potential]
No kernel code was changed, only the test. The fix could cause false
positives to happen with newer versions of iproute2, but those were tested as
well.
------------------------------------
11:52:44 DEBUG| [stdout] # selftests: net: pmtu.sh
11:52:44 DEBUG| [stdout] # TEST: ipv4: PMTU exceptions
[ OK ]
11:52:44 DEBUG| [stdout] # TEST: ipv6: PMTU exceptions
[ OK ]
11:52:44 DEBUG| [stdout] # vxlan4 not supported
11:52:44 DEBUG| [stdout] # TEST: IPv4 over vxlan4: PMTU exceptions
[SKIP]
11:52:44 DEBUG| [stdout] # vxlan4 not supported
11:52:44 DEBUG| [stdout] # TEST: IPv6 over vxlan4: PMTU exceptions
[SKIP]
11:52:46 DEBUG| [stdout] # TEST: IPv4 over vxlan6: PMTU exceptions
[ OK ]
11:52:47 DEBUG| [stdout] # TEST: IPv6 over vxlan6: PMTU exceptions
[ OK ]
11:52:47 DEBUG| [stdout] # geneve4 not supported
11:52:47 DEBUG| [stdout] # TEST: IPv4 over geneve4: PMTU exceptions
[SKIP]
11:52:47 DEBUG| [stdout] # geneve4 not supported
11:52:47 DEBUG| [stdout] # TEST: IPv6 over geneve4: PMTU exceptions
[SKIP]
11:52:48 DEBUG| [stdout] # TEST: IPv4 over geneve6: PMTU exceptions
[ OK ]
11:52:49 DEBUG| [stdout] # TEST: IPv6 over geneve6: PMTU exceptions
[ OK ]
11:52:51 DEBUG| [stdout] # TEST: IPv4 over fou4: PMTU exceptions
[ OK ]
11:52:52 DEBUG| [stdout] # TEST: IPv6 over fou4: PMTU exceptions
[ OK ]
11:52:53 DEBUG| [stdout] # TEST: IPv4 over fou6: PMTU exceptions
[ OK ]
11:52:54 DEBUG| [stdout] # TEST: IPv6 over fou6: PMTU exceptions
[ OK ]
11:52:55 DEBUG| [stdout] # TEST: IPv4 over gue4: PMTU exceptions
[ OK ]
11:52:57 DEBUG| [stdout] # TEST: IPv6 over gue4: PMTU exceptions
[ OK ]
11:52:58 DEBUG| [stdout] # TEST: IPv4 over gue6: PMTU exceptions
[ OK ]
11:52:59 DEBUG| [stdout] # TEST: IPv6 over gue6: PMTU exceptions
[ OK ]
11:53:00 DEBUG| [stdout] # TEST: vti6: PMTU exceptions
[ OK ]
11:53:03 DEBUG| [stdout] # TEST: vti4: PMTU exceptions
[ OK ]
11:53:03 DEBUG| [stdout] # TEST: vti4: default MTU assignment
[ OK ]
11:53:03 DEBUG| [stdout] # TEST: vti6: default MTU assignment
[ OK ]
11:53:03 DEBUG| [stdout] # TEST: vti4: MTU setting on link creation
[ OK ]
11:53:04 DEBUG| [stdout] # TEST: vti6: MTU setting on link creation
[ OK ]
11:53:04 DEBUG| [stdout] # TEST: vti6: MTU changes on link changes
[ OK ]
11:53:04 DEBUG| [stdout] # vxlan4 not supported
11:53:04 DEBUG| [stdout] # TEST: ipv4: cleanup of cached exceptions
[SKIP]
....
Upgrading iproute2 to 5.2 fixes this.
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