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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Shuah Khan , linux-kselftest@vger.kernel.org, Hangbin Liu Subject: [PATCH net-next 1/2] selftests: net: use slowwait to stabilize vrf_route_leaking test Date: Tue, 17 Jun 2025 10:50:59 +0000 Message-ID: <20250617105101.433718-2-liuhangbin@gmail.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20250617105101.433718-1-liuhangbin@gmail.com> References: <20250617105101.433718-1-liuhangbin@gmail.com> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The vrf_route_leaking test occasionally fails due to connectivity issues in our testing environment. A sample failure message shows that the ping check fails intermittently PING 2001:db8:16:2::2 (2001:db8:16:2::2) 56 data bytes --- 2001:db8:16:2::2 ping statistics --- 1 packets transmitted, 0 received, 100% packet loss, time 0ms TEST: Basic IPv6 connectivity [FAIL] This is likely due to insufficient wait time on slower machines. To address this, switch to using slowwait, which provides a longer and more reliable wait for setup completion. Before this change, the test failed 3 out of 10 times. After applying this fix, the test was run 30 times without any failure. Signed-off-by: Hangbin Liu --- tools/testing/selftests/net/vrf_route_leaking.sh | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/net/vrf_route_leaking.sh b/tools/testing/selftests/net/vrf_route_leaking.sh index e9c2f71da207..ce34cb2e6e0b 100755 --- a/tools/testing/selftests/net/vrf_route_leaking.sh +++ b/tools/testing/selftests/net/vrf_route_leaking.sh @@ -275,7 +275,7 @@ setup_sym() # Wait for ip config to settle - sleep 2 + slowwait 5 ip netns exec $h1 "${ping6}" -c1 -w1 ${H2_N2_IP6} >/dev/null 2>&1 } setup_asym() @@ -370,7 +370,7 @@ setup_asym() ip -netns $r2 -6 addr add dev eth1 ${R2_N2_IP6}/64 nodad # Wait for ip config to settle - sleep 2 + slowwait 5 ip netns exec $h1 "${ping6}" -c1 -w1 ${H2_N2_IP6} >/dev/null 2>&1 } check_connectivity() -- 2.46.0