linux-kernel - Re: REGRESSION for RT2561/RT61 in 2.6.33

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Message-ID: <1263222695.29743.1.camel@johannes.local>
Date:	Mon, 11 Jan 2010 16:11:35 +0100
From:	Johannes Berg <johannes@...solutions.net>
To:	Alan Stern <stern@...land.harvard.edu>
Cc:	Gertjan van Wingerde <gwingerde@...il.com>,
	linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
	Kernel development list <linux-kernel@...r.kernel.org>
Subject: Re: REGRESSION for RT2561/RT61 in 2.6.33

Alan,

> The card doesn't work.  Although the firmware load appears to
> succeed, "iwconfig wlan0" says no wireless extensions present.

You need to set CONFIG_CFG80211_WEXT (it is default y).

> The only clue I can offer is that "rmmod rt61pci" hangs in 
> wiphy_unregister() during the wait_event() loop near the start,
> because 
> rdev->opencount is equal to -1.  This suggests a refcounting imbalance
> 
> of some sort.

Good point, that's a bug that will go away with CONFIG_CFG80211_WEXT,
I'll send a fix.

johannes

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