[dpdk-dev] [PATCH 0/2] fix mbufs leakage during Rx queue release on ixgbe/i40e

Christian Ehrhardt christian.ehrhardt at canonical.com
Mon Sep 19 15:52:25 CEST 2016


On Mon, Sep 19, 2016 at 3:29 PM, Bruce Richardson <
bruce.richardson at intel.com> wrote:

> > This patch set fixes problem when mbufs are not released back to the
> > original memory pool during Rx queue relese call leading to mbufs
> > "leakage".
> >
> > This issue happens when device stop (rte_eth_dev_stop()) will be called
> > after device start (rte_eth_dev_start()) without any incoming packets
> > received since device start. In this case both rxq->rx_tail and
> > rxq->rxrearm_start equal to 0 and release cycle will not be executed.
> > On the next device start (rte_eth_dev_start()) new set of mbufs for the
> > RX queue will be allocated.
> >
> > Yury Kylulin (2):
> >   net/ixgbe: fix mbufs leakage during Rx queue release
> >   net/i40e: fix mbufs leakage during Rx queue release
> >
> Applied to dpdk-next-net/rel_16_11
>

I don't know the underlying code well enough, but given the description I'd
expect that qualifies for the stable tree?
Set stable at dpdk on cc.


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