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Date: Mon, 29 Jan 2024 18:31:42 -0800 From: Jakub Kicinski <kuba@...nel.org> To: Petr Machata <petrm@...dia.com> Cc: "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>, <netdev@...r.kernel.org>, David Ahern <dsahern@...il.com>, Ido Schimmel <idosch@...sch.org>, Willem de Bruijn <willemb@...gle.com> Subject: Re: [PATCH net-next] selftests: forwarding: Add missing config entries On Mon, 29 Jan 2024 11:45:07 +0100 Petr Machata wrote: > Jakub Kicinski <kuba@...nel.org> writes: > > Thanks a lot for fixing this stuff! The patch went into the > > net-next-2024-01-26--18-00 branch we got: pass 94 / skip 2 / fail 15 > > > > https://netdev.bots.linux.dev/contest.html?branch=net-next-2024-01-26--18-00&executor=vmksft-forwarding&pw-y=0 > > > > Clicking thru a handful of the failures it looks like it's about a 50/50 > > split between timeouts and perf mismatch. > > Looking at some recent runs. A number of failures are probably due to > the system failing to oversubscribe the interface with the tested > qdiscs. That's sch_ets, sch_tbf_ets, sch_tbf_prio, sch_tbf_root, > tc_police. > > Not sure what to do about it. Maybe separate out heavy traffic tests, > and add a make run_lotraf_tests? Either that or the other way - express the expectation that the environment is slow to the test. It came up in the "net-next is OPEN" thread and also off-list. Perhaps we should discuss tomorrow on the netdev call? https://lore.kernel.org/all/20240129112057.26f5fc19@kernel.org/ To make sure I've done my homework I kicked off few more instances of the tester metal-* and metal-*-dbg. They are running in AWS (AWS Linux, again) but on bare metal. Former are identical to the previous ones, just with KVM / HW virt support now, so those should really be all green. The metal-*-dbg ones have kernel/configs/debug.config and kernel/configs/x86_debug.config configed in, so "worst case slow". > tc_actions started getting a passible deadlocking warning between Jan 27 > 00:37 and Jan 28 18:27: > > https://netdev-2.bots.linux.dev/vmksft-forwarding/results/438201/108-tc-actions-sh/ > https://netdev-2.bots.linux.dev/vmksft-forwarding/results/438566/109-tc-actions-sh/ > > So either something landed that broke it, or the host kernel now has > more debugging enabled, so it now gives a citation. Hm. configs are identical. $ git diff net-next-2024-01-26--18-00..net-next-2024-01-27--00-04 --stat Documentation/devicetree/bindings/net/snps,dwmac.yaml | 11 +++--- Documentation/devicetree/bindings/net/starfive,jh7110-dwmac.yaml | 72 +++++++++++++++++++++++++++------------ drivers/net/ethernet/amd/pds_core/adminq.c | 74 +++++++++++++++++++++++++++------------- drivers/net/ethernet/amd/pds_core/core.c | 130 +++++++++++++++++++++++++++++++++++++++++----------------------------- drivers/net/ethernet/amd/pds_core/core.h | 3 +- drivers/net/ethernet/amd/pds_core/debugfs.c | 12 ++++--- drivers/net/ethernet/amd/pds_core/dev.c | 30 ++++++++++++----- drivers/net/ethernet/amd/pds_core/devlink.c | 3 +- drivers/net/ethernet/amd/pds_core/fw.c | 3 ++ drivers/net/ethernet/amd/pds_core/main.c | 26 +++++++++++--- drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c | 16 ++++----- drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_keys.c | 9 ++--- drivers/net/ethernet/mellanox/mlxsw/spectrum.c | 160 +++++++++++++++++++++++++++++++++++++++++++++++---------------------------------------- drivers/net/ethernet/mellanox/mlxsw/spectrum.h | 15 ++------- drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c | 11 +++--- drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c | 17 +++++----- drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c | 15 +++++---- drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c | 8 ++--- drivers/net/ethernet/stmicro/stmmac/Kconfig | 6 ++-- drivers/net/ethernet/stmicro/stmmac/dwmac-starfive.c | 32 +++++++++++++++--- net/core/dev.c | 27 +++++++++------ net/core/dev.h | 1 + net/ipv4/ip_output.c | 9 +---- tools/testing/selftests/net/config | 14 ++++---- 24 files changed, 430 insertions(+), 274 deletions(-) No idea. > ip6gre_inner_v6_multipath is just noisy? It failed the last run, but > passed several before. FWIW I made this: https://netdev.bots.linux.dev/flakes.html > router_multicast and router get a complaint about a missing control > socket. I think at first approximation they need: > > # mkdir -p /usr/local/var/run > > But even then I'm getting a fail. This and the others seem to all be in > IPv6 multicast.
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