[dpdk-dev] Mellanox ConnectX-5 crashes and mbuf leak

Yongseok Koh yskoh at mellanox.com
Sun Oct 8 00:19:14 CEST 2017

> On Oct 6, 2017, at 3:30 PM, Yongseok Koh <yskoh at mellanox.com> wrote:
> Hi, Martin
> Even though I had done quite serious tests before sending out the patch,
> I figured out deadlock could happen if the Rx queue size is smaller. It is 128
> by default in testpmd while I usually use 256.
> I've fixed the bug and submitted a new patch [1], which actually reverts the
> previous patch. So, you can apply the attached with disregarding the old one.
> And I have also done extensive tests for this new patch but please let me know
> your test results.
> [1]
> "net/mlx5: fix deadlock due to buffered slots in Rx SW ring"
> at http://dpdk.org/dev/patchwork/patch/29847

Hi Martin

I've submitted v2 of the patch [1]. I just replaced vector insns with regular
statements.  This is just for ease of maintenance because I'm about to add
vectorized PMD for ARM NEON.  In terms of functionality and performance it is

Please proceed your testing with this and let me know the result.

[dpdk-dev,v2] net/mlx5: fix deadlock due to buffered slots in Rx SW ring
, which is at http://dpdk.org/dev/patchwork/patch/29879/


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