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problems with 2.6.12

To: madwifi-devel@xxxxxxxxxxxxxxxxxxxxx
Subject: problems with 2.6.12
From: Eric Lammerts <eric-madwifi-devel@xxxxxxxxxxxx>
Date: Fri, 01 Jul 2005 11:35:00 -0400
Cc: tommy.christensen@xxxxxxxxx, herbert@xxxxxxxxxxxxxxxxxxx, davem@xxxxxxxxxxxxx, netdev@xxxxxxxxxxx
Sender: netdev-bounce@xxxxxxxxxxx
User-agent: Mozilla Thunderbird 1.0 (X11/20041206)

Hello all,
I was having problems with 2.6.12 + madwifi in master mode. No packets were going out. With tcpdump I see DHCP requests coming in, with strace I see the dhcp daemon sending replies out, but they don't show up in tcpdump.


It's caused by this change:
http://oss.sgi.com/projects/netdev/archive/2005-05/msg00109.html

which btw also causes problems for other people:
http://marc.theaimsgroup.com/?l=linux-kernel&m=111853727810345&w=2

Madwifi doesn't call netif_carrier_on() in master mode, so Linux drops all packets. When I remove the dev_deactivate() line, it works fine again.

Should we fix madwifi or the kernel?

Eric

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