app/testpmd: fix crash in txonly mode and with tx_first

This crash was believed fixed by commit 5886ae07d211e4b5e49806dd183812,
but the actual issue is that the core ID provided to rte_lcore_to_socket_id()
is wrong. It must be looked up in fwd_lcores_cpuids[].

Signed-off-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>
Signed-off-by: David Marchand <david.marchand@6wind.com>

diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c
index a112559..8f5f9ad 100644 (file)
--- a/app/test-pmd/testpmd.c
+++ b/app/test-pmd/testpmd.c
@@ -614,7 +614,9 @@ init_config(void)
         * Records which Mbuf pool to use by each logical core, if needed.
         */
        for (lc_id = 0; lc_id < nb_lcores; lc_id++) {
-               mbp = mbuf_pool_find(rte_lcore_to_socket_id(lc_id));
+               mbp = mbuf_pool_find(
+                       rte_lcore_to_socket_id(fwd_lcores_cpuids[lc_id]));
+
                if (mbp == NULL)
                        mbp = mbuf_pool_find(0);
                fwd_lcores[lc_id]->mbp = mbp;