netdev - Re: [PATCH net] selftests/net: use tc rule to filter the na packet

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Message-ID: <20240516083951.15610afa@kernel.org>
Date: Thu, 16 May 2024 08:39:51 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Hangbin Liu <liuhangbin@...il.com>
Cc: netdev@...r.kernel.org, "David S. Miller" <davem@...emloft.net>, Eric
 Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>, Shuah Khan
 <shuah@...nel.org>, Petr Machata <petrm@...dia.com>, Ido Schimmel
 <idosch@...dia.com>, Benjamin Poirier <bpoirier@...dia.com>, Tobias
 Waldekranz <tobias@...dekranz.com>, Jaehee Park <jhpark1013@...il.com>,
 linux-kselftest@...r.kernel.org
Subject: Re: [PATCH net] selftests/net: use tc rule to filter the na packet

On Tue, 14 May 2024 15:11:30 +0800 Hangbin Liu wrote:
> Hi Jakub, would you please help check if this fix the
> arp_ndisc_untracked_subnets flake issue on debug kernel?

It didn't get ingested by the CI because there's a conflict with
something else that got merged into lib.sh. Could you rebase / repost?

At a glance the problem in the CI is that it times out on debug kernels:

# overriding timeout to 7200
# selftests: net: arp_ndisc_untracked_subnets.sh
#     TEST: test_arp:  accept_arp=0                                       [ OK ]
#     TEST: test_arp:  accept_arp=1                                       [ OK ]
#     TEST: test_arp:  accept_arp=2  same_subnet=0                        [ OK ]
#     TEST: test_arp:  accept_arp=2  same_subnet=1                        [ OK ]
#
not ok 1 selftests: net: arp_ndisc_untracked_subnets.sh # TIMEOUT 7200 seconds

So it consumed full 2 hours and didn't finish.