On 7/2/2019 9:07 PM, Junxiao Shi wrote: > I am battling a related problem as reported on > https://bugs.dpdk.org/show_bug.cgi?id=183 and this patch seems > relevant, so I applied this patch on 196a46fab6eeb3ce2039e3bcaca80f8ba43ffc8d > > However, this patch does not work for me: > with CONFIG_RTE_LIBRTE_MBUF_DEBUG enabled, kni_free_mbufs's invocation of > rte_pktmbuf_free throws "bad mbuf pool" error. > > While all mbufs and segments in kni->rx_q now have physical addresses, > the mbufs and segments placed back to kni->free_q still have (mis-)calculated > virtual address. The pa2va function is not working properly. > > Consequently, userspace side is passing wrong pointer to rte_pktmbuf_free, > so that application crashes with CONFIG_RTE_LIBRTE_MBUF_DEBUG enabled. >
Hi Junxiao, I don't see any issue in the code, and as far as I tested not seeing any issue. Can you please provide more information how to reproduce the issue, is it only enabling "CONFIG_RTE_LIBRTE_MBUF_DEBUG" config? Thanks, ferruh
