From: Thomas Monjalon <thomas@monjalon.net>
To: David Hunt <david.hunt@intel.com>
Cc: dev@dpdk.org, Liang Ma <liang.j.ma@intel.com>, stable@dpdk.org
Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH v2] lib/distributor: fix livelock issue on flush
Date: Mon, 29 Jul 2019 23:22:00 +0200 [thread overview]
Message-ID: <2119448.PvesTm3FVn@xps> (raw)
In-Reply-To: <20190725090301.4821-1-david.hunt@intel.com>
25/07/2019 11:03, David Hunt:
> From: Liang Ma <liang.j.ma@intel.com>
>
> The Distributor autotest can lock if ran enough times. Worker and
> distributir threads get into a livelock situation waiting on each
> other.
> Issue first encountered by RedHat in Travis CI
> https://bugs.dpdk.org/show_bug.cgi?id=316
>
> To repeat:
> `while sudo sh -c "echo 'distributor_autotest' |
> ./build/app/test/dpdk-test"; do :; done`
>
> The root cause is where we are flushing on exit, and do not wait for
> all worker packets to be returned before exiting.
> Add a delay on flush so that all worker packets are returned before
> completing the flush.
>
> Bugzilla ID: 316
> Fixes: 775003ad2f96 ("distributor: add new burst-capable library")
> Cc: stable@dpdk.org
>
> Tested-by: Michael Santana <msantana@redhat.com>
> Signed-off-by: David Hunt <david.hunt@intel.com>
> Signed-off-by: Liang Ma <liang.j.ma@intel.com>
Applied, thanks
prev parent reply other threads:[~2019-07-29 21:22 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-25 8:54 [dpdk-stable] [PATCH v1] " David Hunt
2019-07-25 9:03 ` [dpdk-stable] [PATCH v2] " David Hunt
2019-07-29 21:22 ` Thomas Monjalon [this message]
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