From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeff Garzik <jgarzik@pobox.com>
Subject: Re: 2.4.21: bug report for tg3:  tx lockup when changing MTU
Date: Fri, 01 Aug 2003 19:57:46 -0400
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To: Ben Greear <greearb@candelatech.com>
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Ben Greear wrote:
> I just noticed that if you change the MTU of a tg3 NIC, it will not work
> untill you ifdown/ifup it.  This problem is repeatable on tg3, and does not
> happen with the e1000 driver/cards.
> 
> I am setting the MTU via an ioctl call, not via ifconfig or something like
> that.


Can you provide the ioctl call info, so I can reproduce?

And, are you changing MTU when the interface is up or down?