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Re: 2.4.21: bug report for tg3: tx lockup when changing MTU

from [Jeff Garzik] [Permanent Link][Original]
To: Ben Greear <greearb@xxxxxxxxxxxxxxx>
Subject: Re: 2.4.21: bug report for tg3: tx lockup when changing MTU
From: Jeff Garzik <jgarzik@xxxxxxxxx>
Date: Fri, 01 Aug 2003 19:57:46 -0400
Cc: "'netdev@xxxxxxxxxxx'" <netdev@xxxxxxxxxxx>
In-reply-to: <3F2AEFBF.3040604@candelatech.com>
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References: <3F2AEFBF.3040604@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?


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