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Wed, 15 Aug 2018 22:36:39 +0000 From: Daniel Shelepov To: "users@dpdk.org" Thread-Topic: dpdk-pdump fails to initialize mysteriously Thread-Index: AdQ06G1CGXvAyg8ESbWlz4tnKYlxzA== Date: Wed, 15 Aug 2018 22:36:39 +0000 Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [2001:4898:80e8:9:7c2a:85c1:4db0:a23f] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1; BL0PR2101MB0964; 6:NVeQ/0y1hO4n+ZAzY5bOm0hiqS9tjmte0CT5YLmgB1eBfKKTWZxBYtS6aKz6weVVLhdIVnprU6rTWy/1HAmNowQxWOZh3WFC/pBTVmHjPqdZHn+UxS43HFUvIVbcVlPrS5Vd70f4DvxvApWelcdlifVIFzmNgVIYTY/Sej0iSi4WebaW6OqaqsCwIaj1OsfPYZBVu08DJ2fXz6slFkczxjthoV+h/MDk4inrf0WbVcsd0p+dvIawFz6B9iUWCLWq4GTNWhQ2pBMYYfrbOJ4oWPVwkx4kBthqp1FKti7tdN6TDbHb2plmyX//CoCp8M8hwIk/R/Up61Rvx3xZAURd6ZHNWMMrPiZBWTxB7LMbxUJDMrLZHX9LIi5DQvPcwllF4mjS2tcXDJkyxpnt/PoAO/bPftF8GWoP1Js8qVdbgbuLkGhnGmV/9Luefl4Po1Znm66FzL3MccE4Titcin6mnA==; 5:kTCPnzcL/owfkTo+7bjjRjlL9PgDPXf4J+W8pHX24fso53TFPXJh0oIm4zxOgyjLb/gBRWSpHKEH9+IWLWQYV1GhsYzqJ8/x79nmIw1jbvbCXOMt7uIqviV88SFsi5Ily+9TBu9i4Dwtc5kzfU5DjyRAsCtYJCXgKfN6f9MjkRM=; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: [dpdk-users] dpdk-pdump fails to initialize mysteriously X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 15 Aug 2018 22:36:41 -0000 Hello, I am having difficulties running dpdk-pdump on a fresh setup. I previously= had it working on a different VM/app/DPDK version combo, but somehow it no= w doesn't (version 18.05, testpmd being the primary app). Error is "failed= to parse device". Does anyone have an idea of how to debug this? >:~/dpdk-18.05/out/bin$ sudo ./dpdk-pdump -- --pdump 'device_id=3D0002:00:0= 2.0,queue=3D*,rx-dev=3D/home/dashel/capture-rx.pcap,tx-dev=3D/home/dashel/c= apture-tx.pcap' EAL: Detected 8 lcore(s) EAL: Detected 1 NUMA nodes EAL: Multi-process socket /var/run/dpdk/rte/mp_socket_18627_e6fcbc35bcdc EAL: Probing VFIO support... EAL: WARNING: cpu flags constant_tsc=3Dyes nonstop_tsc=3Dno -> using unreli= able clock cycles ! EAL: PCI device 0001:00:02.0 on NUMA socket 0 EAL: probe driver: 15b3:1004 net_mlx4 PMD: net_mlx4: PCI information matches, using device "mlx4_0" (VF: true) PMD: net_mlx4: 1 port(s) detected PMD: net_mlx4: port 1 MAC address is 00:0d:3a:06:8c:55 EAL: PCI device 0002:00:02.0 on NUMA socket 0 EAL: probe driver: 15b3:1004 net_mlx4 PMD: net_mlx4: PCI information matches, using device "mlx4_1" (VF: true) PMD: net_mlx4: 1 port(s) detected PMD: net_mlx4: port 1 MAC address is 00:0d:3a:06:58:2f ERROR: failed to parse device "net_pcap_rx_0" EAL: Error - exiting with code: 1 Cause: vdev creation failed:create_mp_ring_vdev:631 Verified that CONFIG_RTE_LIBRTE_PDUMP=3Dy I am launching the primary app first, then the PDUMP binary. Like I said, = this flow worked previously, but now doesn't and I can't figure out where t= o start debugging this. If anyone ran into something similar recently, wou= ld appreciate any pointers. Daniel