Can you reproduce the error in the lab ? Same behaviour with Kernel 5.3.6.
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 9000
ether a8:20:66:28:e6:95 txqueuelen 1000 (Ethernet)
RX packets 13844854 bytes 2298858755 (2.1 GiB)
RX errors 0 dropped 2 overruns 0 frame 0
TX packets 14831625 bytes 75684684566 (70.4 GiB)
TX errors 158 dropped 0 overruns 0 carrier 0 collisions 0
device interrupt 16
tx_octets: 75686159197
tx_collisions: 0
tx_xon_sent: 0
tx_xoff_sent: 0
tx_flow_control: 0
tx_mac_errors: 158
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: 14400082
tx_mcast_packets: 435104
tx_bcast_packets: 1542
tx_carrier_sense_errors: 0
tx_discards: 0
tx_errors: 0
> On 4 Oct 2019, at 14:53, Rudolf Spring <rudolf.spr...@gmail.com> wrote:
>
> With Kernel 5.3.2. Interesting all are tx_mac_errors.
>
> ifconfig eth0
> eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 9000
> ether a8:20:66:28:e6:95 txqueuelen 1000 (Ethernet)
> RX packets 1649204 bytes 775261068 (739.3 MiB)
> RX errors 0 dropped 0 overruns 0 frame 0
> TX packets 1144621 bytes 1241414276 (1.1 GiB)
> TX errors 369 dropped 0 overruns 0 carrier 0 collisions 0
> device interrupt 16
>
> ethtool -S eth0
> NIC statistics:
> rx_octets: 752756285
> rx_fragments: 0
> rx_ucast_packets: 1132211
> rx_mcast_packets: 128115
> rx_bcast_packets: 372162
> 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: 1236703101
> tx_collisions: 0
> tx_xon_sent: 0
> tx_xoff_sent: 0
> tx_flow_control: 0
> tx_mac_errors: 369
> 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: 986854
> tx_mcast_packets: 146951
> tx_bcast_packets: 1117
> 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
>
>> On 4 Oct 2019, at 12:52, Siva Reddy Kallam <siva.kal...@broadcom.com> wrote:
>>
>>
>>
>> On Wed, Oct 2, 2019 at 10:05 PM Rudolf Spring <rudolf.spr...@gmail.com>
>> wrote:
>> The output of dmesg and ethtool is identical between 4.19.72 and 5.3.2. Any
>> suggestions ?
>> Can you please provide the output of "ethtool -S eth0" command?
>> In the mean time, I will review the register dump and also try to reproduce
>> in our lab.
>> 0000:01:00.0: enabling device (0000 -> 0002)
>> [ 1.140738] tg3 0000:01:00.0 eth0: Tigon3 [partno(BCM957766a) rev
>> 57766001] (PCI Express) MAC address a8:20:66:28:e6:95
>> [ 1.140741] tg3 0000:01:00.0 eth0: attached PHY is 57765
>> (10/100/1000Base-T Ethernet) (WireSpeed[1], EEE[1])
>> [ 1.140743] tg3 0000:01:00.0 eth0: RXcsums[1] LinkChgREG[0] MIirq[0]
>> ASF[0] TSOcap[1]
>> [ 1.140744] tg3 0000:01:00.0 eth0: dma_rwctrl[00000001] dma_mask[64-bit]
>> [ 10.290239] tg3 0000:01:00.0 eth0: Link is up at 1000 Mbps, full duplex
>> [ 10.290241] tg3 0000:01:00.0 eth0: Flow control is on for TX and on for RX
>> [ 10.290242] tg3 0000:01:00.0 eth0: EEE is enabled
>>
>> ethtool eth0
>> Settings for eth0:
>> Supported ports: [ TP ]
>> Supported link modes: 10baseT/Half 10baseT/Full
>> 100baseT/Half 100baseT/Full
>> 1000baseT/Half 1000baseT/Full
>> Supported pause frame use: No
>> Supports auto-negotiation: Yes
>> Supported FEC modes: Not reported
>> Advertised link modes: 10baseT/Half 10baseT/Full
>> 100baseT/Half 100baseT/Full
>> 1000baseT/Half 1000baseT/Full
>> Advertised pause frame use: Symmetric
>> Advertised auto-negotiation: Yes
>> Advertised FEC modes: Not reported
>> Link partner advertised link modes: 10baseT/Half 10baseT/Full
>> 100baseT/Half 100baseT/Full
>> 1000baseT/Full
>> Link partner advertised pause frame use: Symmetric
>> Link partner advertised auto-negotiation: Yes
>> Link partner advertised FEC modes: Not reported
>> Speed: 1000Mb/s
>> Duplex: Full
>> Port: Twisted Pair
>> PHYAD: 1
>> Transceiver: internal
>> Auto-negotiation: on
>> MDI-X: off
>> Supports Wake-on: g
>> Wake-on: g
>> Current message level: 0x000000ff (255)
>> drv probe link timer ifdown ifup rx_err tx_err
>> Link detected: yes
>>
>> ethtool -a eth0
>> Pause parameters for eth0:
>> Autonegotiate: on
>> RX: on
>> TX: on
>> RX negotiated: on
>> TX negotiated: on
>>
>> ethtool -g eth0
>> Ring parameters for eth0:
>> Pre-set maximums:
>> RX: 511
>> RX Mini: 0
>> RX Jumbo: 255
>> TX: 511
>> Current hardware settings:
>> RX: 200
>> RX Mini: 0
>> RX Jumbo: 100
>> TX: 511
>>
>> ethtool -c eth0
>> Coalesce parameters for eth0:
>> Adaptive RX: off TX: off
>> stats-block-usecs: 0
>> sample-interval: 0
>> pkt-rate-low: 0
>> pkt-rate-high: 0
>>
>> rx-usecs: 20
>> rx-frames: 5
>> rx-usecs-irq: 0
>> rx-frames-irq: 5
>>
>> tx-usecs: 72
>> tx-frames: 53
>> tx-usecs-irq: 0
>> tx-frames-irq: 5
>>
>> rx-usecs-low: 0
>> rx-frame-low: 0
>> tx-usecs-low: 0
>> tx-frame-low: 0
>>
>> rx-usecs-high: 0
>> rx-frame-high: 0
>> tx-usecs-high: 0
>> tx-frame-high: 0
>>
>> ethtool -k eth0
>> Features for eth0:
>> rx-checksumming: on
>> tx-checksumming: on
>> tx-checksum-ipv4: on
>> tx-checksum-ip-generic: off [fixed]
>> tx-checksum-ipv6: on
>> tx-checksum-fcoe-crc: off [fixed]
>> tx-checksum-sctp: off [fixed]
>> scatter-gather: on
>> tx-scatter-gather: on
>> tx-scatter-gather-fraglist: off [fixed]
>> tcp-segmentation-offload: on
>> tx-tcp-segmentation: on
>> tx-tcp-ecn-segmentation: on
>> tx-tcp-mangleid-segmentation: off
>> tx-tcp6-segmentation: on
>> udp-fragmentation-offload: off
>> generic-segmentation-offload: on
>> generic-receive-offload: on
>> large-receive-offload: off [fixed]
>> rx-vlan-offload: on [fixed]
>> tx-vlan-offload: on [fixed]
>> ntuple-filters: off [fixed]
>> receive-hashing: off [fixed]
>> highdma: on
>> rx-vlan-filter: off [fixed]
>> vlan-challenged: off [fixed]
>> tx-lockless: off [fixed]
>> netns-local: off [fixed]
>> tx-gso-robust: off [fixed]
>> tx-fcoe-segmentation: off [fixed]
>> tx-gre-segmentation: off [fixed]
>> tx-gre-csum-segmentation: off [fixed]
>> tx-ipxip4-segmentation: off [fixed]
>> tx-ipxip6-segmentation: off [fixed]
>> tx-udp_tnl-segmentation: off [fixed]
>> tx-udp_tnl-csum-segmentation: off [fixed]
>> tx-gso-partial: off [fixed]
>> tx-sctp-segmentation: off [fixed]
>> tx-esp-segmentation: off [fixed]
>> tx-udp-segmentation: off [fixed]
>> fcoe-mtu: off [fixed]
>> tx-nocache-copy: off
>> loopback: off [fixed]
>> rx-fcs: off [fixed]
>> rx-all: off [fixed]
>> tx-vlan-stag-hw-insert: off [fixed]
>> rx-vlan-stag-hw-parse: off [fixed]
>> rx-vlan-stag-filter: off [fixed]
>> l2-fwd-offload: off [fixed]
>> hw-tc-offload: off [fixed]
>> esp-hw-offload: off [fixed]
>> esp-tx-csum-hw-offload: off [fixed]
>> rx-udp_tunnel-port-offload: off [fixed]
>> tls-hw-tx-offload: off [fixed]
>> tls-hw-rx-offload: off [fixed]
>> rx-gro-hw: off [fixed]
>> tls-hw-record: off [fixed]
>>
>> ethtool -n eth0
>> 4 RX rings available
>> rxclass: Cannot get RX class rule count: Operation not supported
>> RX classification rule retrieval failed
>>
>> ethtool -t eth0
>> The test result is PASS
>> The test extra info:
>> nvram test (online) 0
>> link test (online) 0
>> register test (offline) 0
>> memory test (offline) 0
>> mac loopback test (offline) 0
>> phy loopback test (offline) 0
>> ext loopback test (offline) 0
>> interrupt test (offline) 0
>>
>> ethtool -T eth0
>> Time stamping parameters for eth0:
>> Capabilities:
>> software-transmit (SOF_TIMESTAMPING_TX_SOFTWARE)
>> software-receive (SOF_TIMESTAMPING_RX_SOFTWARE)
>> software-system-clock (SOF_TIMESTAMPING_SOFTWARE)
>> PTP Hardware Clock: none
>> Hardware Transmit Timestamp Modes:
>> off (HWTSTAMP_TX_OFF)
>> on (HWTSTAMP_TX_ON)
>> Hardware Receive Filter Modes:
>> none (HWTSTAMP_FILTER_NONE)
>> ptpv1-l4-event (HWTSTAMP_FILTER_PTP_V1_L4_EVENT)
>> ptpv2-l4-event (HWTSTAMP_FILTER_PTP_V2_L4_EVENT)
>> ptpv2-l2-event (HWTSTAMP_FILTER_PTP_V2_L2_EVENT)
>>
>> ethtool -l eth0
>> Channel parameters for eth0:
>> Pre-set maximums:
>> RX: 4
>> TX: 1
>> Other: 0
>> Combined: 0
>> Current hardware settings:
>> RX: 4
>> TX: 1
>> Other: 0
>> Combined: 0
>>
>> ethtool --show-eee eth0
>> EEE Settings for eth0:
>> EEE status: enabled - active
>> Tx LPI: 2047 (us)
>> Supported EEE link modes: 100baseT/Full
>> 1000baseT/Full
>> Advertised EEE link modes: 100baseT/Full
>> 1000baseT/Full
>> Link partner advertised EEE link modes: 100baseT/Full
>> 1000baseT/Full
>>
>>> These are all the tg3 changes between 4.19 and 5.0:
>>>
>>> 750afb08ca71 cross-tree: phase out dma_zalloc_coherent()
>>> cddaf02bcb73 tg3: optionally use eth_platform_get_mac_address() to get
>>> mac address
>>> 3c1bcc8614db net: ethernet: Convert phydev advertize and supported
>>> from u32 to link mode
>>> 6fe42e228dc2 tg3: extend PTP gettime function to read system clock
>>> 310fc0513ea9 tg3: Fix fall-through annotations
>>> 22b7d29926b5 net: ethernet: Add helper to determine if pause
>>> configuration is supported
>>> 70814e819c11 net: ethernet: Add helper for set_pauseparam for Asym Pause
>>> af8d9bb2f2f4 net: ethernet: Add helper for MACs which support asym pause
>>> 04b7d41d8046 net: ethernet: Fix up drivers masking pause support
>>> 58056c1e1b0e net: ethernet: Use phy_set_max_speed() to limit advertised
>>> speed
>>>
>>> Most of the changes are related to PHY settings. I suggest that you
>>> check the link settings, including speed, pause, asym pause, etc
>>> between the working kernel and the non-working kernel to see if there
>>> are differences in the settings.
>>
>
