[dpdk-dev] [PATCH] app/testpmd: log reason of port start failure

Andrew Rybchenko andrew.rybchenko at oktetlabs.ru
Thu Mar 11 11:48:35 CET 2021


Provide a bit more diagnostics information when port start fails.

Signed-off-by: Andrew Rybchenko <andrew.rybchenko at oktetlabs.ru>
---
 app/test-pmd/testpmd.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

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++;
 
 		/* start port */
-		if (rte_eth_dev_start(pi) < 0) {
-			printf("Fail to start port %d\n", pi);
+		diag = rte_eth_dev_start(pi);
+		if (diag < 0) {
+			printf("Fail to start port %d: %s\n", pi,
+			       rte_strerror(-diag));
 
 			/* Fail to setup rx queue, return */
 			if (rte_atomic16_cmpset(&(port->port_status),
-- 
2.30.1



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