No driver tigon (tg3), antes da versão v3.134b rxbds_empty
os eventos foram registrados como erros de quadro.
Você pode verificar isso via:
ethtool -S {device}
por exemplo:
[root@srv2-mgmt ~]# ethtool -S em1
NIC statistics:
rx_octets: 795609182
rx_fragments: 0
rx_ucast_packets: 4003807
rx_mcast_packets: 313481
rx_bcast_packets: 1906658
rx_fcs_errors: 0
rx_align_errors: 0
rx_xon_pause_rcvd: 0
rx_xoff_pause_rcvd: 0
rx_mac_ctrl_rcvd: 0
rx_xoff_entered: 0
rx_frame_too_long_errors: 0
rx_jabbers: 0
rx_undersize_packets: 0
rx_in_length_errors: 0
rx_out_length_errors: 0
rx_64_or_less_octet_packets: 0
rx_65_to_127_octet_packets: 0
rx_128_to_255_octet_packets: 0
rx_256_to_511_octet_packets: 0
rx_512_to_1023_octet_packets: 0
rx_1024_to_1522_octet_packets: 0
rx_1523_to_2047_octet_packets: 0
rx_2048_to_4095_octet_packets: 0
rx_4096_to_8191_octet_packets: 0
rx_8192_to_9022_octet_packets: 0
tx_octets: 1010597527
tx_collisions: 0
tx_xon_sent: 0
tx_xoff_sent: 0
tx_flow_control: 0
tx_mac_errors: 0
tx_single_collisions: 0
tx_mult_collisions: 0
tx_deferred: 0
tx_excessive_collisions: 0
tx_late_collisions: 0
tx_collide_2times: 0
tx_collide_3times: 0
tx_collide_4times: 0
tx_collide_5times: 0
tx_collide_6times: 0
tx_collide_7times: 0
tx_collide_8times: 0
tx_collide_9times: 0
tx_collide_10times: 0
tx_collide_11times: 0
tx_collide_12times: 0
tx_collide_13times: 0
tx_collide_14times: 0
tx_collide_15times: 0
tx_ucast_packets: 4116171
tx_mcast_packets: 145500
tx_bcast_packets: 1983
tx_carrier_sense_errors: 0
tx_discards: 0
tx_errors: 0
dma_writeq_full: 0
dma_write_prioq_full: 0
rxbds_empty: 0
rx_discards: 0
rx_errors: 0
rx_threshold_hit: 0
dma_readq_full: 0
dma_read_prioq_full: 0
tx_comp_queue_full: 0
ring_set_send_prod_index: 0
ring_status_update: 0
nic_irqs: 0
nic_avoided_irqs: 0
nic_tx_threshold_hit: 0
mbuf_lwm_thresh_hit: 0