** Description changed:
- Testing failed on:
- amd64:
https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-bionic/bionic/amd64/l/linux-aws/20190215_172152_24535@/log.gz
+ Log from an ADT failure:
+ amd64:
https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-bionic/bionic/amd64/l/linux-aws/20190215_172152_24535@/log.gz
+
+ When the test system has only one available CPU, the cpu-on-off-test.sh
+ script used to return success:
+
+ 22:14:42 DEBUG| [stdout] selftests: cpu-on-off-test.sh
+ 22:14:42 DEBUG| [stdout] ========================================
+ 22:14:42 DEBUG| [stdout] pid 30673's current affinity mask: 1
+ 22:14:42 DEBUG| [stdout] pid 30673's new affinity mask: 1
+ 22:14:42 DEBUG| [stdout] CPU online/offline summary:
+ 22:14:42 DEBUG| [stdout] skip all tests:: since there is only one cpu: 0
+ 22:14:42 DEBUG| [stdout] ok 1..1 selftests: cpu-on-off-test.sh [PASS]
+
+ However, after the script from the source package started to be replaced
+ to fix bug 1809439 (commit https://kernel.ubuntu.com/git/ubuntu
+ /autotest-client-
+ tests.git/commit/?id=53ef6cf2cc35cbd13a16c363af05e22a0cbcbb75) it
+ started to fail:
+
+ 18:12:56 DEBUG| [stdout] selftests: cpu-on-off-test.sh
+ 18:12:56 DEBUG| [stdout] ========================================
+ 18:12:56 DEBUG| [stdout] pid 30620's current affinity mask: 1
+ 18:12:56 DEBUG| [stdout] pid 30620's new affinity mask: 1
+ 18:12:56 DEBUG| [stdout] CPU online/offline summary:
+ 18:12:56 DEBUG| [stdout] skip all tests:: since there is only one cpu: 0
+ 18:12:56 DEBUG| [stdout] not ok 1..1 selftests: cpu-on-off-test.sh [FAIL]
+
+ The failure is caused on Bionic by the fact that the new script returns
+ ksft_skip=4 when the test cannot be performed, however this return code
+ is not considered as SKIP on the older Kselftest framework, but as FAIL
+ instead. For the same reason this also probably impacts older series as
+ well.
** Changed in: linux-aws (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1817893
Title:
ubuntu_kernel_selftests.cpu-hotplug fails with Bionic on single
processor systems
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