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Mon, 30 Mar 2026 01:06:10 -0700 (PDT) Received: from [192.168.88.32] ([216.128.11.222]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48722be608bsm392031745e9.0.2026.03.30.01.06.09 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 30 Mar 2026 01:06:10 -0700 (PDT) Message-ID: Date: Mon, 30 Mar 2026 10:06:08 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 7/7] selftests/tc-testing: Add netem test case exercising loops To: Stephen Hemminger , netdev@vger.kernel.org Cc: Victor Nogueira , Jamal Hadi Salim , Jiri Pirko , Shuah Khan , William Liu , Jakub Kicinski , Savino Dicanosa , "open list:KERNEL SELFTEST FRAMEWORK" , open list References: <20260326181701.308275-1-stephen@networkplumber.org> <20260326181701.308275-8-stephen@networkplumber.org> Content-Language: en-US From: Paolo Abeni In-Reply-To: <20260326181701.308275-8-stephen@networkplumber.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Hi, On 3/26/26 7:01 PM, Stephen Hemminger wrote: > From: Victor Nogueira > > Add a netem nested duplicate test case to validate that it won't > cause an infinite loop > > Acked-by: Jamal Hadi Salim > Acked-by: Stephen Hemminger > Signed-off-by: Victor Nogueira Apparently the new test does not pass on NIPA: # not ok 364 8c17 - Test netem's recursive duplicate # Value doesn't match: bytes: 294 != 196 # Matching against output: {'kind': 'netem', 'handle': '1:', 'root': True, 'refcnt': 2, 'options': {'limit': 1, 'duplicate': {'duplicate': 1, 'correlation': 0}, 'seed': 6495514880116664183, 'ecn': False, 'gap': 0}, 'bytes': 196, 'packets': 2, 'drops': 1, 'overlimits': 0, 'requeues': 0, 'backlog': 0, 'qlen': 0} It's not clear to me if the causes is this series or the follow-up. I'm tentatively dropping the latter from PW; let's see how/if TDC is impacted. /P