Anything in dmesg output on PF side? 

What kernel and driver version do you use?

Have you tried latest PF driver from intel?

— 
Damjan

> On 07.12.2020., at 15:42, Christian Hopps <cho...@chopps.org> wrote:
> 
> I'm hitting a problem with the native AVF driver. The issue does not seem to 
> exist when using the DPDK driver. This is on stable/2009, with the DPDK bump 
> to 2008 reverted (b/c 2008 doesn't work with mellanox anymore apparently).
> 
> I have an x710 card configured with a 4x10G breakout cable. The code that is 
> failing is
> 
>  if ((ad->feature_bitmap & VIRTCHNL_VF_OFFLOAD_RSS_PF) &&
>      (error = avf_op_config_rss_lut (vm, ad)))
>    return error;
> 
> Here's the debug log:
> 
> 2020/12/07 14:19:25:639 debug      avf            0000:65:0a.0: 
> request_queues: num_queue_pairs 6
> 2020/12/07 14:19:25:779 debug      avf            0000:65:0a.0: version: 
> major 1 minor 1
> 2020/12/07 14:19:25:779 debug      avf            0000:65:0a.0: 
> get_vf_reqources: bitmap 0xb00a1
> 2020/12/07 14:19:25:789 debug      avf            0000:65:0a.0: 
> get_vf_reqources: num_vsis 1 num_queue_pairs 6 max_vectors 5 max_mtu 0 
> vf_offload_flags 0xb000 rss_key_size 52 rss_lut_size 64
> 2020/12/07 14:19:25:789 debug      avf            0000:65:0a.0: 
> get_vf_reqources_vsi[0]: vsi_id 18 num_queue_pairs 6 vsi_type 6 qset_handle 6 
> default_mac_addr 02:41:0b:0b:0b:0b
> 2020/12/07 14:19:25:789 debug      avf            0000:65:0a.0: 
> disable_vlan_stripping
> 2020/12/07 14:19:25:800 debug      avf            0000:65:0a.0: 
> config_rss_lut: vsi_id 18 rss_lut_size 64 lut 
> 0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
> 2020/12/07 14:19:25:906 err        avf            1313:13:13.0: error: 
> avf_send_to_pf: error [v_opcode = 24, v_retval -5]
> 
> If I comment out the 2 calls to VIRTCHNL_CF_OFFLOAD_RSS_PF, the device 
> initializes.
> 
> Is there something about the breakout cable configuration that needs special 
> attention from this code?
> 
> Thanks,
> Chris.
> 
> 
> 

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