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Tue, 7 Jun 2016 11:20:17 +0000 To: From: Kevin Darbyshire-Bryant Message-ID: <5756ADEC.9070305@darbyshire-bryant.me.uk> Date: Tue, 7 Jun 2016 12:20:12 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.8.0 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [2001:470:183f:da2b::4007:25d] X-ClientProxiedBy: AM4PR0201CA0031.eurprd02.prod.outlook.com (10.167.253.169) To HE1PR07MB0938.eurprd07.prod.outlook.com (10.162.27.144) X-MS-Office365-Filtering-Correlation-Id: f8e83e90-02a1-4812-917e-08d38ec5b448 X-Microsoft-Exchange-Diagnostics: 1; HE1PR07MB0938; 2:Cg2/6uZjIpN6o5SINlrWABvs+aVtdpiK6rn5L3K7VWDmk68EjhTD0j6Ldu+5bCNd499b7n/Y1PkW5raF8qw8QPBkd3oHAl0SwEaPI0YLsjXErNALLgNgqlGvKJi2T2n2XGEJhFGfqI4vaSqXYmpKC1FZEkUhvRd/8214IHmxgTkuOuLFbhE68MJlFTO9P4Xz; 3:ENZLbi+58sGSRXloJyPi5R35v8zrVbCIwkFb/M2kzMsJPivwlTSJfRpGdosdsQBTNFiAssKjmzueHYajdePeU/2UCdgrO4eH5eaUBOplwEK5y4vdKQ/6zAbjnlro/eAj; 25:V45kxt8OTHSF59sPkqhh2ACSPpVAJ7Y5KVc9c62KSD45wcwv2Qe6LOozKUC4+IwJjRWz+odx04xEWhfdBOIyDCiH5ifdqKuqLwIUcxhEYIWF5yQsoecS+qbyBc8ASZ01/8MnirpydddRGVrpi5vlwPBIrBj9tOXk2r/1DqE3OYLSD8jLqOfnxs+2DVRblzIrczCauyrJ0W4llezZ0JONWDVf4dqxwmvF0cn12q89YjAapQhzaVz09QbCiB6AxXWIAvVEY4l7otil3roiKHL2n/yX5kobPXj8lTMmCoCsY1QQfRqTiLHUi6IGk4qNz5hD1ry8cn4fdwsoYjZNqmTAl+NxX58b46i4Y31lZGYKo0Usc/l4e0zb4ceE8TYtWqukGMWzRmtaFW6WimdGyUcyzHpvGLSbHaLM3DwVMeKJyRk= X-Microsoft-Antispam: UriScan:;BCL:0;PCL:0;RULEID:;SRVR:HE1PR07MB0938; 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HE1PR07MB0938; 5:C8b0GoDi4hc0kRHEYygtcaRWKMTVGYx7wdx5nk/nLpoeHWVI2L1zD1ag3XPDXBUF8vJYG7JdQ+8gbYZLp/5g3x2s+Rxw9M40V9oBKqpSVTM0NzbnEqUe/sDPeJs/sRhxhdXRbEMVWWejNRRJaRRFGA==; 24:ZBCM0uOZXwFCeiCTRI/m2zm0EMszxv/u1vCEDUnJaV5DACoW2AsPFtTrJEm8OXmpXZHT78SG0hRprmbSAMxLkM8V+RNsY5d/IauHT1KSZ7I=; 7:9SoWXBsbSdCZ7+6OarIeakpwwyzYt7YDbLw27Ha0rlT9oSE+/U8uYWZhagRdiJk+BSUzNHTxJRDmajKDcb9RotVcCQKsJ28FqgZL3abq/m9o90GjDdLMFEOZcYqFEzc6npaylMinEcJcC/lY44FSCdeli7/xFMeuTYshldrmJ963nh+IKTD2//zx0k0brGrtPo6+hfDPOqW2dSc3JojRytqLAQfol4BYGPU7eho/uzA= SpamDiagnosticOutput: 1:99 SpamDiagnosticMetadata: NSPM X-OriginatorOrg: darbyshire-bryant.me.uk X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Jun 2016 11:20:17.2321 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-Transport-CrossTenantHeadersStamped: HE1PR07MB0938 Subject: [Cake] Possible BUG - parent backlog incorrectly updated in case of NET_XMIT_CN X-BeenThere: cake@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: Cake - FQ_codel the next generation List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 07 Jun 2016 11:20:19 -0000 Hi All, I was nosing through linux-netdev last night when I saw this fix for qdisc backlog reporting issues with NET_XMIT_CN in fq_codel: http://marc.info/?l=linux-netdev&m=146506223800713&w=2 I had a nose at CAKE but couldn't quit work out if a similar issue is present but I suspect it is. Certainly if Eric can't get it right "My prior attempt to fix the backlogs of parents failed." then it's not an 'obvious to solve' problem :-) Adult needed :-) Cheers, Kevin