RE: dpdk-testpmd works but dpdk pktgen crashes on startup with MLX5 card

[Maayan Kashani <mkashani@nvidia.com>]

Hi, Antonio,
Sorry for the late reply,
Thanks for bringing this issue to our attention.
We need to investigate it, and share more data once we have it. 

Regards,
Maayan Kashani

> -----Original Message-----
> From: Antonio Di Bacco <a.dibacco.ks@gmail.com>
> Sent: Wednesday, 12 July 2023 0:52
> To: users@dpdk.org
> Subject: dpdk-testpmd works but dpdk pktgen crashes on startup with MLX5
> card
> 
> External email: Use caution opening links or attachments
> 
> 
> If I try to use dpdk-pktgen on a MLX5 card, I get this SIGSEGV
> 
> [user@dhcp-10-84-89-229 pktgen-dpdk]$  sudo
> LD_LIBRARY_PATH=/usr/local/lib64 ./usr/local/bin/pktgen -l50-54  -n 2  --allow
> c1:00.0 -- -P -m "52.1"
> 
> *** Copyright(c) <2010-2023>, Intel Corporation. All rights reserved.
> *** Pktgen  created by: Keith Wiles -- >>> Powered by DPDK <<<
> 
>     0: mlx5_pci        9      1   15b3:1019/c1:00.0
> 
> 
> 
> *** Unable to create capture memzone for socket ID 2
> *** Unable to create capture memzone for socket ID 3
> *** Unable to create capture memzone for socket ID 4
> *** Unable to create capture memzone for socket ID 5
> *** Unable to create capture memzone for socket ID 6
> *** Unable to create capture memzone for socket ID 7
> ---- repeating message
> ----
> *** Unable to create capture memzone for socket ID 219
> *** Unable to create capture memzone for socket ID 220
> *** Unable to create capture memzone for socket ID 221
> *** Unable to create capture memzone for socket ID 222
> WARNING: Nothing to do on lcore 51: exiting
> WARNING: Nothing to do on lcore 53: exiting
> WARNING: Nothing to do on lcore 54: exiting
> - Ports 0-0 of 1   <Main Page>  Copyright(c) <2010-2023>, Intel Corporation
>   Port:Flags        :
> Link State          :
> Pkts/s Rx           :
>        Tx           :
> MBits/s Rx/Tx       :
> Pkts/s Rx Max       :
>        Tx Max       :
> Broadcast           :
> Multicast           :
> Sizes 64            :
>       65-127        :
>       128-255       :
>       256-511       :
>       512-1023      :
>       1024-1518     :
> Runts/Jumbos        :
> ARP/ICMP Pkts       :
> Errors Rx/Tx        :
> Total Rx Pkts       :
>       Tx Pkts       :
>       Rx/Tx MBs     :
> TCP Flags           :
> TCP Seq/Ack         :
> Pattern Type        :
> Tx Count/% Rate     :
> Pkt Size/Rx:Tx Burst:
> TTL/Port Src/Dest   :
> Pkt Type:VLAN ID    :
> 802.1p CoS/DSCP/IPP :
> VxLAN Flg/Grp/vid   :
> IP  Destination     :
>     Source          :
> MAC Destination     :
>     Source          :
> NUMA/Vend:ID/PCI    :
> -- Pktgen 23.06.1 (DPDK 22.11.2)  Powered by DPDK  (pid:20433) ----------------
> 
> 
> ====== Pktgen got a Segment Fault
> 
> Obtained 11 stack frames.
> ./usr/local/bin/pktgen() [0x43f1b8]
> /lib64/libc.so.6(+0x54df0) [0x7fe22a2a3df0]
> ./usr/local/bin/pktgen() [0x458859]
> ./usr/local/bin/pktgen() [0x4592cc]
> ./usr/local/bin/pktgen() [0x43d6d9]
> ./usr/local/bin/pktgen() [0x43d73a]
> ./usr/local/bin/pktgen() [0x41cd10]
> ./usr/local/bin/pktgen() [0x43f601]
> /lib64/libc.so.6(+0x3feb0) [0x7fe22a28eeb0]
> /lib64/libc.so.6(__libc_start_main+0x80) [0x7fe22a28ef60]
> ./usr/local/bin/pktgen() [0x404bf5]
> 
> 
> Testpmd works fine on the same card.
> 
> Anyone can give me a suggestion?
> 
> Best regards.