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Date: Fri, 15 Apr 2005 08:27:13 -0400 (EDT)
From: "Mike Jakubik" <mikej@rogers.com>
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Subject: Re: xl0: transmission error: 90
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On Fri, April 15, 2005 5:13 am, Ulrik Guenther said:

> on my 5.4-RC1 installation with a 3com 3c905B NIC I got the following
> messages while transferring a big file (31GByte) over 100MBit ethernet:
>
> Apr 15 08:46:18 verleihnix kernel: xl0: transmission error: 90
> Apr 15 08:46:18 verleihnix kernel: xl0: tx underrun, increasing tx start
>
> So, okay the threshold was increaed in 60byte steps from 120 to 420
> bytes, then it stopped. This procedure took place only during the first
> gigabytes of the transmission. I noticed no negative side effects (say:
> the file arrived completely on the other computer, checksum was okay as
> well). Transmission was done via SSH/SCP.
>
> Now my question: What do these messages from the xl(4) mean?

Im assuming the xl cards default tx buffer is too low, or something of
that nature. I get the same messages, but everything works fine.