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

Jose Gavine Cueto pepedocs at gmail.com
Thu Nov 14 09:31:00 CET 2013


Hi,

Your nic (port 0) is capable of 1 txq only see error:

" port_id=0 nb_tx_queues=2 > 1"

I think that caused the error.

Cheers,
Pepe


On Thu, Nov 14, 2013 at 1:21 PM, yuxuan zhang <zhangyuxuanxd at gmail.com>wrote:

>  Hi Everyone:
>
> I meet a problem with running the DPDK1.3 example l3fwd in the VMware. I
> have two 82545EM NIC to run the l3fwd and the OS is Cent6.4. But l3fwd
> cannot be configured port correctly .I start the l3fwd with following
> command:
>
>     ./build/l3fwd  -c 0x3 -n 2 -- -p 0x3 --config="(0,0,0),(1,0,1)"
>
> However, I get following errors with debug info:
>
>     Initializing port 0 ... Creating queues: nb_rxq=1 nb_txq=2... PMD:
> rte_eth_dev_configure: ethdev     port_id=0 nb_tx_queues=2 > 1
>     EAL: Error - exiting with code: 1
>     Cause: Cannot configure device: err=-22, port=0
>
> And I have known that the reason for this problem produced in the
> **rte_eth_dev_configure function**. However, I do not kown how to fix it.
>
> I would really appreciate If someone could provide some help to solve this
> issue.
>



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