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Date:	Sat, 15 Sep 2007 08:27:18 -0400
From:	"L F" <>
To:	"Bill Fink" <>
Cc:, "Kok, Auke" <>
Subject: Re: e1000 driver and samba

On 9/15/07, Bill Fink <> wrote:
> Would it be worth a shot to try disabling the receiver hardware
> checksumming (ethtool -K ethX rx off)?
I just did, unfortunately it doesn't seem to change much.
In the various attempts, however, I seem to have improved something,
maybe. As I mentioned, the machine work as both a gateway and a samba
server. It seems that as long as the one samba operation is the only
activity that goes on between a specific client and the samba server,
at least I do not get timeouts. I have to investigate further on file
corruption, but the timeout doesn't occur.
As soon as I try to perform a second samba operation - even on read -
or I generate singificant net traffic, the samba connection times out.
I have to assume that the added load is just enough to overload the
The other curious fact is that occasionally the writing effectively
pauses for 1-2s. It then resumes, with no ill effect. I have to assume
that when the timeouts occur, the same thing happens for a
sufficiently long period of time and the connection drops.
For further reference, in case any of it is relevant, the samba shares
are ext3 filesystems residing on a SATA based RAID5 (md) array. I
include this because at a certain point I started suspecting the
filesystem before the network, but it doesn't make too much sense.

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