From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 34BA01A6834 for ; Wed, 22 Jul 2026 18:15:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784744126; cv=none; b=XKfurVREEDJtrOZnvU5ipoDleluHIteRLj9nqY1NVwknV+NQXk6AtLfFRRmnGS50gcMnfZgqeKXLT2cg3v/DQNg5f5V8BbxaLFOmmxKrCK62OuasMtbRynrSIjBflwtgGzpdrM26Kk8JEkSWjqPPduElDr/R8cNWMyy1lnd5Eao= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784744126; c=relaxed/simple; bh=8EIKOkGwKr3YR7p2Cr2mP1qxHAqfx3x05unogwhq/SU=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Wfz8lrZVYqJwvACOjTh4MrZ9NBu5hxEd0j1Fki1y9ANJVL8y2xzATRUFC5MtpT+TJDzh3iGU/PgAiI4xiP98b+tTNtWj9g07FF6zEosJ2K9X7iIOu4K3m7p70kkyMz4KyiJsPHQ8XSDgtv04VDeLpgtymEDFl0bV/D+rP4R7Y9Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=NDWlcvjr; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="NDWlcvjr" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 879C51F000E9; Wed, 22 Jul 2026 18:15:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1784744124; bh=GYX+ND2Ram7qWL11imcPBYhc+XkPdiCcbjLoQcJDA8k=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=NDWlcvjrh0f+4hj43O5sM8vN8mlpwEaOGFoaWgiJyr3fCScv1f8aSs4VcKRdcw3e2 +1MZeadAzsQLajewb2/JQjBUSMhUWg48m1UfEldWubGv6QVLEZdOHDjADcrVzFQQiQ zegfPmCMVQ8btL95MOvOdNW1qx6CPrJCDT5fkqYYQBGi2HY7bGdiLLF4ZQnhlCKUQV pbEhrQ7wdwTc5gbDdtTKN1FjQKZuQEPZHupgJ71WqbELpYO6J8Fa3tEovc+/QVmAFY qL3WmXkqkbD7lYHOsfUXKG4IdPUztXH1SVRJMhEQ22R794OA4q4y+DQRC/r8h/gsnM hfKwxeHD566mQ== Date: Wed, 22 Jul 2026 11:15:22 -0700 From: Jakub Kicinski To: Alice Mikityanska Cc: Daniel Borkmann , "David S. Miller" , Eric Dumazet , Paolo Abeni , Xin Long , Willem de Bruijn , Willem de Bruijn , David Ahern , Nikolay Aleksandrov , Shuah Khan , Stanislav Fomichev , Andrew Lunn , Simon Horman , Florian Westphal , netdev@vger.kernel.org, Alice Mikityanska Subject: Re: [PATCH net-next v9 0/9] BIG TCP for UDP tunnels Message-ID: <20260722111522.569fc202@kernel.org> In-Reply-To: <20260710134242.216538-1-alice.kernel@fastmail.im> References: <20260710134242.216538-1-alice.kernel@fastmail.im> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Fri, 10 Jul 2026 16:42:33 +0300 Alice Mikityanska wrote: > Patch 09 adds selftests. Seems to fail: https://netdev-ctrl.bots.linux.dev/logs/vmksft/net/results/745543/157-big-tcp-tunnels-sh/stdout # selftests: net: big_tcp_tunnels.sh # 0.05 [+0.05] Setting up VXLAN over IPv4, veth tx csum offload on # 0.11 [+0.06] Warning: Extension comment revision 0 not supported, missing kernel module? # 0.13 [+0.01] iptables v1.8.11 (nf_tables): RULE_INSERT failed (No such file or directory): rule in chain PREROUTING # 0.14 [+0.02] Warning: Extension comment revision 0 not supported, missing kernel module? # 0.16 [+0.02] iptables v1.8.11 (nf_tables): RULE_INSERT failed (No such file or directory): rule in chain OUTPUT # 0.18 [+0.02] Warning: Extension comment revision 0 not supported, missing kernel module? # 0.20 [+0.02] iptables v1.8.11 (nf_tables): RULE_INSERT failed (No such file or directory): rule in chain OUTPUT # 0.20 [+0.01] Running IPv4 traffic in the tunnel # 5.24 [+5.04] Warning: Extension comment revision 0 not supported, missing kernel module? # 5.24 [+0.00] iptables: Bad rule (does a matching rule exist in that chain?). # 5.26 [+0.01] Warning: Extension comment revision 0 not supported, missing kernel module? # 5.26 [+0.00] iptables: Bad rule (does a matching rule exist in that chain?). # 5.27 [+0.01] Warning: Extension comment revision 0 not supported, missing kernel module? # 5.28 [+0.00] iptables: Bad rule (does a matching rule exist in that chain?). # 5.28 [+0.00] Captured BIG TCP RX packets: # 5.28 [+0.00] Captured BIG TCP TX packets: # 5.29 [+0.00] Captured TCP SACK packets: # 5.29 [+0.00] ./big_tcp_tunnels.sh: line 150: [: : integer expected not ok 1 selftests: net: big_tcp_tunnels.sh # exit=1 Sounds like we're missing some iptables options from the config?