What does rx_buf_unavailable_irq_n mean?

What does rx_buf_unavailable_irq_n mean,Under what circumstances will cause RX_ buf_ unavailable_ irq_ N statistics?
what is the relationship betweenrx_buf_unavailable_irq_n mean and mmc_tx_pause_frame. The reception rate is less than 1G?
The following error occurs.
kenexs@kenexs-desktop:~$ sudo ethtool -S eth0
NIC statistics:
mmc_tx_octetcount_gb: 23377904
mmc_tx_framecount_gb: 365211
mmc_tx_broadcastframe_g: 18
mmc_tx_multicastframe_g: 361540
mmc_tx_64_octets_gb: 365158
mmc_tx_65_to_127_octets_gb: 19
mmc_tx_128_to_255_octets_gb: 34
mmc_tx_256_to_511_octets_gb: 0
mmc_tx_512_to_1023_octets_gb: 0
mmc_tx_1024_to_max_octets_gb: 0
mmc_tx_unicast_gb: 3653
mmc_tx_multicast_gb: 361540
mmc_tx_broadcast_gb: 18
mmc_tx_underflow_error: 0
mmc_tx_singlecol_g: 0
mmc_tx_multicol_g: 0
mmc_tx_deferred: 0
mmc_tx_latecol: 0
mmc_tx_exesscol: 0
mmc_tx_carrier_error: 0
mmc_tx_octetcount_g: 23377904
mmc_tx_framecount_g: 365211
mmc_tx_excessdef: 0
mmc_tx_pause_frame: 361485
mmc_tx_vlan_frame_g: 0
mmc_rx_framecount_gb: 6264151
mmc_rx_octetcount_gb: 9498324954
mmc_rx_octetcount_g: 9498324954
mmc_rx_broadcastframe_g: 4
mmc_rx_multicastframe_g: 0
mmc_rx_crc_error: 0
mmc_rx_align_error: 0
mmc_rx_run_error: 0
mmc_rx_jabber_error: 0
mmc_rx_undersize_g: 0
mmc_rx_oversize_g: 0
mmc_rx_64_octets_gb: 4810
mmc_rx_65_to_127_octets_gb: 1827
mmc_rx_128_to_255_octets_gb: 0
mmc_rx_256_to_511_octets_gb: 14
mmc_rx_512_to_1023_octets_gb: 650
mmc_rx_1024_to_max_octets_gb: 6256850
mmc_rx_unicast_g: 6264147
mmc_rx_length_error: 0
mmc_rx_outofrangetype: 0
mmc_rx_pause_frames: 0
mmc_rx_fifo_overflow: 0
mmc_rx_vlan_frames_gb: 0
mmc_rx_watchdog_error: 0
mmc_rx_ipc_intr_mask: 62274174918
mmc_rx_ipc_intr: 0
mmc_rx_ipv4_gd: 6264143
mmc_rx_ipv4_hderr: 0
mmc_rx_ipv4_nopay: 0
mmc_rx_ipv4_frag: 0
mmc_rx_ipv4_udsbl: 6264143
mmc_rx_ipv6_gd_octets: 0
mmc_rx_ipv6_hderr_octets: 0
mmc_rx_ipv6_nopay_octets: 0
mmc_rx_udp_gd: 0
mmc_rx_udp_err: 0
mmc_rx_tcp_gd: 0
mmc_rx_tcp_err: 0
mmc_rx_icmp_gd: 0
mmc_rx_icmp_err: 0
mmc_rx_ipv4_gd_octets: 9385569868
mmc_rx_ipv4_hderr_octets: 0
mmc_rx_ipv4_nopay_octets: 0
mmc_rx_ipv4_frag_octets: 0
mmc_rx_ipv4_udsbl_octets: 9260269038
mmc_rx_ipv6_gd: 0
mmc_rx_ipv6_hderr: 0
mmc_rx_ipv6_nopay: 0
mmc_rx_udp_gd_octets: 0
mmc_rx_udp_err_octets: 0
mmc_rx_tcp_gd_octets: 0
mmc_rx_tcp_err_octets: 0
mmc_rx_icmp_gd_octets: 0
mmc_rx_icmp_err_octets: 0
q_re_alloc_rx_buf_failed[0]: 0
q_re_alloc_rx_buf_failed[1]: 0
q_re_alloc_rx_buf_failed[2]: 0
q_re_alloc_rx_buf_failed[3]: 0
q_re_alloc_rx_buf_failed[4]: 0
q_re_alloc_rx_buf_failed[5]: 0
q_re_alloc_rx_buf_failed[6]: 0
q_re_alloc_rx_buf_failed[7]: 0
tx_process_stopped_irq_n[0]: 0
tx_process_stopped_irq_n[1]: 0
tx_process_stopped_irq_n[2]: 0
tx_process_stopped_irq_n[3]: 0
tx_process_stopped_irq_n[4]: 0
tx_process_stopped_irq_n[5]: 0
tx_process_stopped_irq_n[6]: 0
tx_process_stopped_irq_n[7]: 0
rx_process_stopped_irq_n[0]: 0
rx_process_stopped_irq_n[1]: 0
rx_process_stopped_irq_n[2]: 0
rx_process_stopped_irq_n[3]: 0
rx_process_stopped_irq_n[4]: 0
rx_process_stopped_irq_n[5]: 0
rx_process_stopped_irq_n[6]: 0
rx_process_stopped_irq_n[7]: 0
tx_buf_unavailable_irq_n[0]: 0
tx_buf_unavailable_irq_n[1]: 0
tx_buf_unavailable_irq_n[2]: 0
tx_buf_unavailable_irq_n[3]: 0
tx_buf_unavailable_irq_n[4]: 0
tx_buf_unavailable_irq_n[5]: 0
tx_buf_unavailable_irq_n[6]: 0
tx_buf_unavailable_irq_n[7]: 0
rx_buf_unavailable_irq_n[0]: 16883098
rx_buf_unavailable_irq_n[1]: 0
rx_buf_unavailable_irq_n[2]: 0
rx_buf_unavailable_irq_n[3]: 0
rx_buf_unavailable_irq_n[4]: 0
rx_buf_unavailable_irq_n[5]: 0
rx_buf_unavailable_irq_n[6]: 0
rx_buf_unavailable_irq_n[7]: 0
rx_watchdog_irq_n: 0
fatal_bus_error_irq_n: 0
pmt_irq_n: 0
tx_normal_irq_n[0]: 254804
tx_normal_irq_n[1]: 0
tx_normal_irq_n[2]: 0
tx_normal_irq_n[3]: 0
tx_normal_irq_n[4]: 0
tx_normal_irq_n[5]: 0
tx_normal_irq_n[6]: 0
tx_normal_irq_n[7]: 0
rx_normal_irq_n[0]: 1043632
rx_normal_irq_n[1]: 0
rx_normal_irq_n[2]: 0
rx_normal_irq_n[3]: 0
rx_normal_irq_n[4]: 0
rx_normal_irq_n[5]: 0
rx_normal_irq_n[6]: 0
rx_normal_irq_n[7]: 0
napi_poll_n: 0
tx_clean_n[0]: 279183
tx_clean_n[1]: 0
tx_clean_n[2]: 0
tx_clean_n[3]: 0
tx_clean_n[4]: 0
tx_clean_n[5]: 0
tx_clean_n[6]: 0
tx_clean_n[7]: 0
tx_path_in_lpi_mode_irq_n: 0
tx_path_exit_lpi_mode_irq_n: 0
rx_path_in_lpi_mode_irq_n: 0
rx_path_exit_lpi_mode_irq_n: 0
tx_pkt_n: 3257858
rx_pkt_n: 327141746
tx_vlan_pkt_n: 0
rx_vlan_pkt_n: 0
tx_timestamp_captured_n: 0
rx_timestamp_captured_n: 0
tx_tso_pkt_n: 0
q_tx_pkt_n[0]: 3257858
q_tx_pkt_n[1]: 0
q_tx_pkt_n[2]: 0
q_tx_pkt_n[3]: 0
q_tx_pkt_n[4]: 0
q_tx_pkt_n[5]: 0
q_tx_pkt_n[6]: 0
q_tx_pkt_n[7]: 0
q_rx_pkt_n[0]: 327141746
q_rx_pkt_n[1]: 0
q_rx_pkt_n[2]: 0
q_rx_pkt_n[3]: 0
q_rx_pkt_n[4]: 0
q_rx_pkt_n[5]: 0
q_rx_pkt_n[6]: 0
q_rx_pkt_n[7]: 0
link_disconnect_count: 7
link_connect_count: 10

There is no update from you for a period, assuming this is not an issue any more.
Hence we are closing this topic. If need further support, please open a new one.
Thanks

Hi,

Instead of replying your question, I am more curious about what kind of error you hit?

On what platform?

Is any customization done on your side?

Which jeptack release is in use?

Under what environment and setup do you hit the error?

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