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Re: [PATCH v4] cfg80211: validate channel settings across interfaces

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reinette chatre <reinette.chatre@xxxxxxxxx> writes:

> Hi Johannes,

Hi,

> This patch is now in wireless-testing and it is causing a problem for
> me. This was determined using bisect.
>
> I am able to bring the interface up and scan, but when I try to
> associate I get a hang.
>
> For example, when I run:
> $ iwconfig wlan0 channel <ch> essid <essid>
>
> then the command prompt never returns and system becomes progressively
> unresponsive. The logs do not contain any details of the problem.

I see the same problem with my iwl3945. I do 'sudo ifup wlan0' (which
starts wpa_supplicant), command prompt is printed once and then laptop
just hangs. 

Reverting this commit fixes the issue:

commit e66cda2a15bede6fc3fa74482337a00ba768983a
Author: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
Date:   Fri Aug 7 17:22:35 2009 +0200

    cfg80211: validate channel settings across interfaces


-- 
Kalle Valo
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