> -----Original Message----- > From: Thomas Monjalon [mailto:thomas.monja...@6wind.com] > Sent: Wednesday, April 12, 2017 12:58 AM > To: john miller <john.mil...@atomicrules.com> > Cc: dev@dpdk.org; olivier.m...@6wind.com; Shreyansh Jain > <shreyansh.j...@nxp.com> > Subject: Re: [dpdk-dev] error in testpmd when CONFIG_RTE_BUILD_SHARED_LIB=y > > 2017-04-11 14:02, john miller: > > > > We are seeing an issue when running from the head of the master branch in > dpdk-next-net and building with CONFIG_RTE_BUILD_SHARED_LIB=y. When we run > testpmd using -d to point to our PMD we get this error > > > > EAL: Error - exiting with code: 1 > > Cause: Creation of mbuf pool for socket 0 failed: Invalid argument > > > > This error occurs as a result of the rte mempool ops table having 0 > entries. This table is populated from a call to rte_mempool_register_ops(). > This function gets called in rte_mempool_ring.c via the static initialization > MACRO MEMPOOL_REGISTER_OPS and exists in librte_mempool_ring.so. However > this library is not loaded when the rte_eal_init() gets called so the static > initializers are not yet loaded. > > > > I am requesting advice on the proper way to repair this. "-d" the ring library (rte_mempool_ring) - just like any other shared lib.
This change was done recently to move ring handler into its separate drivers/mempool/ring directory. That also means it no longer is compiled into the librte_mempool. > > We should just add a better error message if no mempool driver is available. Yes, that is something to be improved.