[dpdk-dev] Errors Rx count increasing while pktgen doing nothing on Intel 82598EB 10G
Laurent GUERBY
laurent at guerby.net
Wed Jan 27 08:15:30 CET 2016
On Wed, 2016-01-27 at 15:50 +0900, Moon-Sang Lee wrote:
>
>
> Laurent, have you resolved this problem?
> I'm using the same NIC as yours (i.e. Intel 82598EB 10G NIC) and faced
> the same problem as you.
> Here is parts of my log and it says that PMD cannot enable RX queue
> for my NIC.
> I'm using DPDK 2.2.0 and used 'null' for the 4th parameter in calling
> rte_eth_rx_queue_setup().
> (i.e. 'null' parameter provides the default rx_conf value.)
Hi,
I had to reuse my DPDK machines for another task,
I will go back to it after FOSDEM.
The error you get is the same as mine.
Sincerely,
Laurent
>
> Thanks.
>
>
>
>
>
> APP: initialising port 0 ...
> PMD: ixgbe_dev_rx_queue_setup(): sw_ring=0x7f5f27258040
> sw_sc_ring=0x7f5f27257b00 hw_ring=0x7f5f27258580 dma_addr=0x41f458580
> PMD: ixgbe_dev_tx_queue_setup(): sw_ring=0x7f5f27245940
> hw_ring=0x7f5f27247980 dma_addr=0x41f447980
> PMD: ixgbe_set_tx_function(): Using simple tx code path
> PMD: ixgbe_set_tx_function(): Vector tx enabled.
> PMD: ixgbe_dev_tx_queue_setup(): sw_ring=0x7f5f272337c0
> hw_ring=0x7f5f27235800 dma_addr=0x41f435800
> PMD: ixgbe_set_tx_function(): Using simple tx code path
> PMD: ixgbe_set_tx_function(): Vector tx enabled.
> PMD: ixgbe_set_rx_function(): Vector rx enabled, please make sure RX
> burst size no less than 4 (port=0).
> PMD: ixgbe_dev_rx_queue_start(): Could not enable Rx Queue 0
> APP: port 0 has started
> APP: port 0 has entered in promiscuous mode
> APP: port 0 initialization is done.
> KNI: pci: 09:00:00 8086:10c7
> APP: kni allocation is done for port 0.
> APP: initialising port 1 ...
> PMD: ixgbe_dev_rx_queue_setup(): sw_ring=0x7f5f27222dc0
> sw_sc_ring=0x7f5f27222880 hw_ring=0x7f5f27223300 dma_addr=0x41f423300
> PMD: ixgbe_dev_tx_queue_setup(): sw_ring=0x7f5f272106c0
> hw_ring=0x7f5f27212700 dma_addr=0x41f412700
> PMD: ixgbe_set_tx_function(): Using simple tx code path
> PMD: ixgbe_set_tx_function(): Vector tx enabled.
> PMD: ixgbe_dev_tx_queue_setup(): sw_ring=0x7f5f271fe540
> hw_ring=0x7f5f27200580 dma_addr=0x41f400580
> PMD: ixgbe_set_tx_function(): Using simple tx code path
> PMD: ixgbe_set_tx_function(): Vector tx enabled.
> PMD: ixgbe_set_rx_function(): Vector rx enabled, please make sure RX
> burst size no less than 4 (port=1).
> PMD: ixgbe_dev_rx_queue_start(): Could not enable Rx Queue 0
> APP: port 1 has started
> APP: port 1 has entered in promiscuous mode
> APP: port 1 initialization is done.
> KNI: pci: 0a:00:00 8086:10c7
> APP: kni allocation is done for port 1.
>
>
> checking link status
> .done
> Port 0 Link Up - speed 10000 Mbps - full-duplex
> Port 1 Link Up - speed 10000 Mbps - full-duplex
>
>
>
> On Mon, Dec 28, 2015 at 5:28 AM, Wiles, Keith <keith.wiles at intel.com>
> wrote:
> On 12/27/15, 2:09 PM, "Laurent GUERBY" <laurent at guerby.net>
> wrote:
>
> >On Sun, 2015-12-27 at 19:43 +0000, Wiles, Keith wrote:
> >> On 12/27/15, 12:31 PM, "dev on behalf of Laurent GUERBY"
> <dev-bounces at dpdk.org on behalf of laurent at guerby.net> wrote:
> >>
> >> >Hi,
> >> >
> >> >I reported today an issue when using Pktgen-DPDK:
> >> >https://github.com/pktgen/Pktgen-DPDK/issues/52
> >> >
> >> >But I think it's more in DPDK than pktgen
> >> >
> >> >two identical machines with SFP+ DA cable between them
> >> >DPDK 2.2.0 from tarball
> >> >Pktgen-DPDK from git
> >> >two identical machines:
> >> >core i7 2600 (sandy bridge 4C/8T), HT disabled in the BIOS
> >> >ASUS P8H67-M PRO BIOS 3904 (latest available)
> >> >Ethernet controller: Intel Corporation 82598EB 10-Gigabit
> AF Dual Port
> >> >Network Connection (rev 01)
> >> >01:00.0 0200: 8086:10f1 (rev 01)
> >> > Subsystem: 8086:a21f
> >> >boot kernel 3.16 unbutu 14.04 with isolcpus=2,3,4
> >> >
> >> >When launching pktgen even with no TX asked the Errors RX
> counters keeps
> >> >going up by about 7.4 millions per second:
> >> >
> >> >Errors Rx/Tx : 7471857054/0
> >> >
> >> >In the log I get "Could not enable Rx Queue", might be the
> >> >source of the issue?
> >> >
> >> >PMD: ixgbe_dev_rx_queue_start(): Could not enable Rx Queue
> 0
> >> >PMD: ixgbe_dev_rx_queue_start(): Could not enable Rx Queue
> 1
> >> >
> >> >When sending traffic single UDP src/dst/IP/MAC the setup
> >> >reaches 14204188 pps 64 bytes, the error counter is also
> >> >increasing.
> >> >
> >> >Any idea what to look for?
> >>
> >> One more suggestion is to run test_pmd on one machine and
> something
> >> like iperf on the other to verify the DPDK is working
> correct, which I
> >> assume will be true. Not sure the RX errors are reported in
> the
> >> test_pmd or you could use the l3fwd application too.
> >
> >Ok, I will check the test_pmd documentation and try to do
> this test: I'm
> >just starting on DPDK :).
> >
> >> Please also send me the 'lspci | grep Ethernet’ output.
> >
> >I included one line in my original email above (plus extract
> of lspci
> >-vn), here is the full output of the command:
> >
> >01:00.0 Ethernet controller: Intel Corporation 82598EB
> 10-Gigabit AF
> >Dual Port Network Connection (rev 01)
> >01:00.1 Ethernet controller: Intel Corporation 82598EB
> 10-Gigabit AF
> >Dual Port Network Connection (rev 01)
> >05:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
> >RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
> (rev 06)
> >
> >(The realtek is used only for internet connectivity).
> >
> >> Also send me the command line.
> >
> >On the first machine t1 :
> >root at t1:~/pktgen-dpdk# ./app/app/x86_64-native-linuxapp-gcc/pktgen \
> >-c e -n 1 --proc-type auto -- -m '[2:3].1' -P -f t1-t3.pkt -N
> >
> >And on the other machine t3:
> >root at t3:~/pktgen-dpdk# ./app/app/x86_64-native-linuxapp-gcc/pktgen \
> >-c e -n 1 --proc-type auto -- -m '[2:3].1' -P -f t3-t1.pkt -N
>
>
> You need to always start with port numbering for Pktgen with
> zero.
>
> Change the [2:3].1 to [2:3].0 the reason is you removed one of
> the two ports and Pktgen starts port counting from zero for
> the first available port :-)
>
> Sorry, I did not spot that sooner.
> >
> >The two "-f" pkt files are attached to this email, I do
> "start 1"
> >manually at the pktgen prompt.
> >
> >Thanks for your time,
> >
> >Sincerely,
> >
> >Laurent
> >
> >
> >> >
> >> >Laurent
> >> >
> >> >
> >>
> >>
> >> Regards,
> >> Keith
> >>
> >>
> >>
> >>
> >
> >
>
>
> Regards,
> Keith
>
>
>
>
>
>
>
>
> --
> Moon-Sang Lee, SW Engineer
> Email: sang0627 at gmail.com
> Wisdom begins in wonder. *Socrates*
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