Re: end_request: I/O error

[Ed Cashin <ed.cashin@xxxxxxx>]

(I mean aoe-sancheck, with a hyphen.)

On 06/16/2015 08:39 PM, Ed Cashin wrote:

Adi, do you think aoetools-36/aoesancheck is a good next step?

On 06/16/2015 01:57 PM, Daofeng Li wrote:

ok...I'm totally lost... :)

$ ethtool -k em1

Features for em1:

rx-checksumming: on

tx-checksumming: on

tx-checksum-ipv4: on

tx-checksum-ip-generic: off [fixed]

tx-checksum-ipv6: on

tx-checksum-fcoe-crc: on [fixed]

tx-checksum-sctp: on

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-tcp6-segmentation: on

udp-fragmentation-offload: off [fixed]

generic-segmentation-offload: on

generic-receive-offload: on

large-receive-offload: on

rx-vlan-offload: on

tx-vlan-offload: on

ntuple-filters: off

receive-hashing: on

highdma: on [fixed]

rx-vlan-filter: on

vlan-challenged: off [fixed]

tx-lockless: off [fixed]

netns-local: off [fixed]

tx-gso-robust: off [fixed]

tx-fcoe-segmentation: on [fixed]

tx-gre-segmentation: off [fixed]

tx-ipip-segmentation: off [fixed]

tx-sit-segmentation: off [fixed]

tx-udp_tnl-segmentation: off [fixed]

tx-mpls-segmentation: off [fixed]

fcoe-mtu: off [fixed]

tx-nocache-copy: on

loopback: off [fixed]

rx-fcs: off [fixed]

rx-all: off

tx-vlan-stag-hw-insert: off [fixed]

rx-vlan-stag-hw-parse: off [fixed]

rx-vlan-stag-filter: off [fixed]

l2-fwd-offload: off

Daofeng

On Tue, Jun 16, 2015 at 12:55 PM, Daofeng Li <lidaof@xxxxxxxxx> wrote:

Thanks Adi, I'll try.

​best,​

Daofeng

On Tue, Jun 16, 2015 at 12:01 PM, Adi Kriegisch <adi@xxxxxxxxxxxxxxx> wrote:

Hey!

>    Honestly..I don't know what those dropped packets, it;s just a new
>    installed system.
I see... depending on what services are running on that network, this might
be some avahi messages or similar stuff; in case this is a storage-only
network and there is no other stuff floating around, this may well be the
cause for the issues...

>    Do you mean my MTU 9000 is too high?
No, I don't think so. Maybe some of the ethernet offloading stuff in the
NIC is unable to handle larger packets? You may check with 'ethtool -k em1'
what is enabled and may try to selectively disable and retest...

-- Adi

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