Hoi,

I am not familiar with the message, but in the past I've had DPDK refuse to
start if the wrong DDP was loaded:
[    0.431937] kernel: pci 0000:0c:00.0: [8086:1592] type 00 class 0x020000
[    0.431959] kernel: pci 0000:0c:00.0: reg 0x10: [mem
0xea000000-0xebffffff 64bit pref]
[    0.431981] kernel: pci 0000:0c:00.0: reg 0x1c: [mem
0xee010000-0xee01ffff 64bit pref]
[    0.431999] kernel: pci 0000:0c:00.0: reg 0x30: [mem
0xfce00000-0xfcefffff pref]
[    0.432141] kernel: pci 0000:0c:00.0: reg 0x184: [mem
0xed000000-0xed01ffff 64bit pref]
[    0.432142] kernel: pci 0000:0c:00.0: VF(n) BAR0 space: [mem
0xed000000-0xedffffff 64bit pref] (contains BAR0 for 128 VFs)
[    0.432164] kernel: pci 0000:0c:00.0: reg 0x190: [mem
0xee220000-0xee223fff 64bit pref]
[    0.432166] kernel: pci 0000:0c:00.0: VF(n) BAR3 space: [mem
0xee220000-0xee41ffff 64bit pref] (contains BAR3 for 128 VFs)

*[   11.136114] kernel: ice 0000:0c:00.0: The DDP package was successfully
loaded: ICE COMMS Package version 1.3.30.0*[   11.316100] kernel: ice
0000:0c:00.0: PTP init successful
[   11.479331] kernel: ice 0000:0c:00.0: DCB is enabled in the hardware,
max number of TCs supported on this port are 8
[   11.479333] kernel: ice 0000:0c:00.0: FW LLDP is disabled, DCBx/LLDP in
SW mode.
[   11.479334] kernel: ice 0000:0c:00.0: Commit DCB Configuration to the
hardware
[   11.482280] kernel: ice 0000:0c:00.0: 252.048 Gb/s available PCIe
bandwidth (16.0 GT/s PCIe x16 link)

(emphasis mine). For me, on Ubuntu 20.04:
pim@hippo:/lib$ ls -la /lib/firmware/updates/intel/ice/ddp
total 1308
drwxr-xr-x 2 root root   4096 Jan 13 12:27 .
drwxr-xr-x 3 root root   4096 Sep 30  2021 ..
-rw-r--r-- 1 root root 635256 Sep 30  2021 ice-1.3.26.0.pkg

*lrwxrwxrwx 1 root root     22 Jan 13 12:11 ice-b49691ffffb3b110.pkg ->
ice_comms-1.3.30.0.pkg*-rwxr-xr-x 1 root root 684408 Jan 13 12:09
ice_comms-1.3.30.0.pkg
lrwxrwxrwx 1 root root     22 Jan 13 12:27 ice.pkg -> ice_comms-1.3.30.0.pkg
-rw-r--r-- 1 root root   2089 Sep 30  2021 LICENSE

(emphasis mine) sees to it that the comms DDP is loaded into the NIC before
starting VPP. Maybe that helps you ?

groet,
Pim

On Wed, Apr 13, 2022 at 3:14 PM <pillerisamu...@gmail.com> wrote:

> Hello,
>
> This is my first message, hope I'm in the right place.
> I'm having troubles with an Intel E810-CAM2 card and VPP/DPDK: after
> assigning an IP address to the VPP interface and enabling it, I can't ping
> it. It looks like all packets get dropped (rx missed) and in show
> interfaces I can see the following error:
>
> rx bytes ok                                         1776
> rx missed                                             18  Errors:
> rte_eth_dev_start[port:0, errno:-5]: Unknown error -5
>
> VPP version is 21.06, DPDK 21.08, NIC Non-Volatile Memory 3.00
>
> Attached the output of runtime and hardware-interfaces, I hope they will
> be useful.
>
> Thank you,
> Samuele
> 
>
>

-- 
Pim van Pelt <p...@ipng.nl>
PBVP1-RIPE - http://www.ipng.nl/
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