RE: [opensuse] Checksum errors on suse 10/hp hardware


with the offload off, we get no checksum errors. I am agreeing now
that it's an application error. Thanks


-----Original Message-----
From: John Andersen [mailto:jsamyth@xxxxxxxxx]
Sent: Monday, September 29, 2008 12:59 PM
Cc: opensuse@xxxxxxxxxxxx
Subject: Re: [opensuse] Checksum errors on suse 10/hp hardware

Kain, Becki (B.) wrote:



These are the settings:

root@bob1 # ethtool -k eth0
Offload parameters for eth0:
rx-checksumming: on
tx-checksumming: on
scatter-gather: on
tcp segmentation offload: on

We have this issue where a linux box is talking to anything and
throwing
some checksum errors:

tcp.checksum == 0x4b52 should be 0x2bac

Ethereal states that it might be "tcp checksum offload?" but we
confirmed that it's on.

So have you tried with it Offload OFF?

I've had problems with it in the past, which I ultimately tracked
to an application problem, but which only manifested itself when
offload was switched on using a gigabit nic.
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