From: Hangbin Liu Date: Tue, 19 Aug 2025 07:47:49 +0000 (+0000) Subject: selftests: rtnetlink: print device info on preferred_lft test failure X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=781bf2cc0616d44cc4a63bab3664a54b221bdc14;p=users%2Fwilly%2Flinux.git selftests: rtnetlink: print device info on preferred_lft test failure Even with slowwait used to avoid system sleep in the preferred_lft test, failures can still occur after long runtimes. Print the device address info when the test fails to provide better troubleshooting data. Signed-off-by: Hangbin Liu Link: https://patch.msgid.link/20250819074749.388064-1-liuhangbin@gmail.com Signed-off-by: Jakub Kicinski --- diff --git a/tools/testing/selftests/net/rtnetlink.sh b/tools/testing/selftests/net/rtnetlink.sh index d6c00efeb664..91b0f6cae04d 100755 --- a/tools/testing/selftests/net/rtnetlink.sh +++ b/tools/testing/selftests/net/rtnetlink.sh @@ -313,6 +313,8 @@ kci_test_addrlft() slowwait 5 check_addr_not_exist "$devdummy" "10.23.11." if [ $? -eq 1 ]; then + # troubleshoot the reason for our failure + run_cmd ip addr show dev "$devdummy" check_err 1 end_test "FAIL: preferred_lft addresses remaining" return