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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: CY4PR11MB1750.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: a43f3665-21cb-4207-6f69-08d8e4f90e0b X-MS-Exchange-CrossTenant-originalarrivaltime: 12 Mar 2021 01:49:20.6095 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 7rY/7CUAKBJg14GUnZP6HFKLaSsKVFqUG0sF8msJuu+qzOuMi4fvEb0rk6/4EDDYpyjnrm85S9h9MuYksOfr8g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR11MB1239 X-OriginatorOrg: intel.com Subject: Re: [dpdk-dev] [PATCH] app/testpmd: log reason of port start failure X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" > -----Original Message----- > From: Andrew Rybchenko > Sent: Thursday, March 11, 2021 18:49 > To: Li, Xiaoyun > Cc: dev@dpdk.org > Subject: [PATCH] app/testpmd: log reason of port start failure >=20 > Provide a bit more diagnostics information when port start fails. >=20 > Signed-off-by: Andrew Rybchenko > --- > app/test-pmd/testpmd.c | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) >=20 > diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c index > 98c3248c01..96d2e0fcec 100644 > --- a/app/test-pmd/testpmd.c > +++ b/app/test-pmd/testpmd.c > @@ -2626,8 +2626,10 @@ start_port(portid_t pid) > cnt_pi++; >=20 > /* start port */ > - if (rte_eth_dev_start(pi) < 0) { > - printf("Fail to start port %d\n", pi); > + diag =3D rte_eth_dev_start(pi); > + if (diag < 0) { > + printf("Fail to start port %d: %s\n", pi, > + rte_strerror(-diag)); >=20 > /* Fail to setup rx queue, return */ > if (rte_atomic16_cmpset(&(port->port_status), > -- > 2.30.1 Acked-by: Xiaoyun Li