From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Monjalon Subject: Re: Cannot run l3fwd with the problem of " nb_tx_queues" Date: Wed, 27 Nov 2013 12:04:09 +0100 Message-ID: <201311271204.09531.thomas.monjalon@6wind.com> References: <5295CFA4.1060100@cas-well.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Cc: dev-VfR2kkLFssw@public.gmane.org To: "Zachary.Jen (=?utf-8?q?=E7=B0=A1=E6=B1=B6=E7=BF=B0?=) : 6305" Return-path: In-Reply-To: <5295CFA4.1060100-hquedaq+nxtWk0Htik3J/w@public.gmane.org> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces-VfR2kkLFssw@public.gmane.org Sender: "dev" Hello, 27/11/2013 11:58, Zachary.Jen (=E7=B0=A1=E6=B1=B6=E7=BF=B0) : 6305 : > I also have the same question in l3fwd example. > I guess may DPDK don't support the chip-set so that we got this error msg. >=20 > In my system, I have 2 kinds of chip-set, 82580 & 82574L. > If I use l3fwd -c 3 -n 1 -- -p 3 --config '(0,0,0),(1,0,1)' in 82574L, > it will get the error msg. > But when I change my card with 82580 and use the same command to execute > DPDK l3fwd. > It's working. >=20 > So, maybe the root cause is the DPDK does not support your chip-set and > send out this error msg. No, it's only a problem of hardware queues availability. 82574 has only 1 queue. =2D-=20 Thomas