From: Thomas Monjalon <thomas@monjalon.net>
To: David Marchand <david.marchand@redhat.com>
Cc: dev@dpdk.org, bruce.richardson@intel.com, stable@dpdk.org,
Tyler Retzlaff <roretzla@linux.microsoft.com>,
"Burakov, Anatoly" <anatoly.burakov@intel.com>
Subject: Re: [PATCH] eal: warn if no lcore is available
Date: Sun, 08 Jun 2025 21:46:22 +0200 [thread overview]
Message-ID: <5304331.aV6nBDHxoP@thomas> (raw)
In-Reply-To: <cad488ce-440c-4f43-a55b-39e16e17f4ee@intel.com>
08/05/2025 13:23, Burakov, Anatoly:
> On 5/8/2025 7:19 AM, David Marchand wrote:
> > On systems with more cpu than RTE_MAX_LCORE, starting DPDK with
> > cores >= RTE_MAX_LCORE ends up with an ambiguous error log.
> >
> > Example with RTE_MAX_LCORE=8:
> > $ taskset -c 8 ./build/app/dpdk-testpmd
> > EAL: Detected CPU lcores: 8
> > EAL: Detected NUMA nodes: 1
> > EAL: Invalid 'command line' arguments.
> > EAL: Error - exiting with code: 1
> > Cannot init EAL: Invalid argument
> >
> > Add a better hint to help the user.
> >
> > Fixes: 2eba8d21f3c9 ("eal: restrict cores auto detection")
> > Cc: stable@dpdk.org
> >
> > Signed-off-by: David Marchand <david.marchand@redhat.com>
>
> Acked-by: Anatoly Burakov <anatoly.burakov@intel.com>
Applied, thanks.
prev parent reply other threads:[~2025-06-08 19:46 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-08 5:19 David Marchand
2025-05-08 11:23 ` Burakov, Anatoly
2025-06-08 19:46 ` Thomas Monjalon [this message]
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