[ClusterLabs] Antw: [EXT] Re: Q: "(bnxt_en): transmit queue 2 timed out"

[Ulrich Windl]

>>> Marek Marcola <marek.marcola at gmail.com> schrieb am 07.10.2021 um 18:55 in
Nachricht <a0f72a3d-8c84-9b3b-656a-db0a39524ba1 at gmail.com>:
> Hello,
> 
>  > Oct 05 20:13:25 h19 kernel: NETDEV WATCHDOG: p4p1 (bnxt_en): transmit 
> queue 2 timed out
> I have seen this error few times on HP DL360 with centos7 and on HP ML350 
> with esxi6.
> 
> Disabling offloading on network card on centos7 seems to solve problem for 
> me:
>   ‑ RX/TX Checksumming:
>      # ethtool ‑K eno1 rx off tx off
>   ‑ TCP Segmentation Offload:
>      # ethtool ‑K eno1 tso off
>   ‑ Generic Segmentation Offload:
>      # ethtool ‑K eno1 gso off
>   ‑ Scatter and Gather:
>      # ethtool ‑K eno1 sg off
> 
> Maybe too much, but this error triggered pacemaker node fencing
> and there was no time for deep troubleshooting.

Thanks for that. Here the node had also been fenced, but as the timout is
somewhat conservative here, I had collected some logs before that happened.
Of course I'd wish I had a kernel dump instead of a plain reset (but I don't
want a kernel dump for every fence operation)...

> 
> To check current offload status use:
>     # ethtool ‑k eno1

ph19:~ # ethtool -k p4p1
Features for p4p1:
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: off [fixed]
        tx-tcp-mangleid-segmentation: off
        tx-tcp6-segmentation: on
generic-segmentation-offload: on
generic-receive-offload: on
large-receive-offload: off
rx-vlan-offload: on
tx-vlan-offload: on
ntuple-filters: on
receive-hashing: on
highdma: on [fixed]
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: on
tx-gre-csum-segmentation: on
tx-ipxip4-segmentation: on
tx-ipxip6-segmentation: off [fixed]
tx-udp_tnl-segmentation: on
tx-udp_tnl-csum-segmentation: on
tx-gso-partial: on
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: on
rx-vlan-stag-hw-parse: on
rx-vlan-stag-filter: off [fixed]
l2-fwd-offload: off [fixed]
hw-tc-offload: on
esp-hw-offload: off [fixed]
esp-tx-csum-hw-offload: off [fixed]
rx-udp_tunnel-port-offload: on
tls-hw-tx-offload: off [fixed]
tls-hw-rx-offload: off [fixed]
rx-gro-hw: on
tls-hw-record: off [fixed]

> 
> Best regards,
> Marek Marcola <Marek.Marcola at gmail.com>
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