[dpdk-dev] Cannot run l3fwd with the problem of " nb_tx_queues"

Thomas Monjalon thomas.monjalon at 6wind.com
Wed Nov 27 12:04:09 CET 2013


Hello,

27/11/2013 11:58, Zachary.Jen (簡汶翰) : 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.
> 
> 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.
> 
> 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.

-- 
Thomas


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