Re: MOD_*_COUNT disappearing in tun

From: Angelo Dell'Aera (buffer@antifork.org)
Date: Fri Aug 08 2003 - 19:32:45 EST


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On Fri, 8 Aug 2003 17:09:06 -0700
"David S. Miller" <davem@xxxxxxxxxx> wrote:

>On Sat, 9 Aug 2003 01:51:12 +0200
>"Angelo Dell'Aera" <buffer@xxxxxxxxxxxx> wrote:
>
>> I agree with you but you should agree with me that removing a
>> net driver while the NIC is generating traffic should be not
>> possibile.
>
>No, I disagree. Doing this is fine, it means you no longer
>want the device in the system. The ethernet drivers do the
>right thing when you ask for this, rmmod ends up downing the
>interfaces for you and once packet/socket/etc. references flush
>out the module is unloaded cleanly.

OK I agree with what you say but what I wanted to outline in my
previous mail is that IMHO it's not normal that if I remove a net
driver while the NIC is generating traffic the result is a kernel
panic. I experienced it and Daniele (in CC) experienced it too on
different NICs.


- --

Angelo Dell'Aera
Antifork Research, Inc. http://buffer.antifork.org

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