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[195.231.47.46]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c249685c573sm2279307666b.51.2026.08.25.06.21.58 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 25 Aug 2026 06:21:59 -0700 (PDT) Message-ID: <2fe7208a-7bc9-4004-907b-75f283360ec9@redhat.com> Date: Tue, 25 Aug 2026 15:21:57 +0200 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH net v2 0/4] Improve stability of big_tcp_tunnels.sh selftest To: Alice Mikityanska , Matthieu Baerts , Jakub Kicinski Cc: Eric Dumazet , "David S. Miller" , Simon Horman , Shuah Khan , Nikolay Aleksandrov , netdev@vger.kernel.org, linux-kselftest@vger.kernel.org, Alice Mikityanska References: <20260822120308.1165200-1-alice.kernel@fastmail.im> From: Paolo Abeni Content-Language: en-US In-Reply-To: <20260822120308.1165200-1-alice.kernel@fastmail.im> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 8/22/26 2:03 PM, Alice Mikityanska wrote: > From: Alice Mikityanska > > This series addresses flakiness of big_tcp_tunnels.sh discussed at: > > https://lore.kernel.org/netdev/349c582c-73e3-468c-91cd-ad6cc3562700@app.fastmail.com/ > > Lower the thresholds to avoid failures like this (number of packets > below the threshold): > > https://netdev-ctrl.bots.linux.dev/logview.html?f=/logs/vmksft/net-dbg/results/754376/28-big-tcp-tunnels-sh/stdout > > Tweak tcp_min_tso_segs and initcwnd to avoid failures like this (BIG TCP > doesn't kick in in slow configurations): > > https://netdev-ctrl.bots.linux.dev/logview.html?f=/logs/vmksft/net-dbg/results/751124/21-big-tcp-tunnels-sh/stdout > > v2 changes: Use $KSFT_MACHINE_SLOW instead of probing kernel config. > > v1: https://lore.kernel.org/netdev/20260814194124.3102581-1-alice.kernel@fastmail.im/ Any special reason for moving the target tree to 'net'? Selftests stability improvements should go via the net-next tree (without the fixes tag). /P