netdev - Re: OOPS bug KERNEL LINUX- Version 2.6.26

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Message-ID: <20080922222716.GI3660@tuxdriver.com>
Date:	Mon, 22 Sep 2008 18:27:16 -0400
From:	"John W. Linville" <linville@...driver.com>
To:	Ivo van Doorn <ivdoorn@...il.com>
Cc:	David Miller <davem@...emloft.net>, andrea_monta@...ind.it,
	linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org,
	netdev@...r.kernel.org, stable@...nel.org
Subject: Re: OOPS bug KERNEL LINUX- Version 2.6.26

On Tue, Sep 23, 2008 at 12:25:03AM +0200, Ivo van Doorn wrote:
> Hi,
> 
> > > 1. Problem with usb-wireless-key 
> > > 2. I can't find my device typing ifconfig -a or iwconfig I don't find any wireless attached device. But I have my usb wireless connected. A belkin usb wireless key.Before, with the kernel 2.6.25 all worked well
> > > 3. nothing
> > > 4. Linux version 2.6.26 (root@...mentino) (gcc version 4.1.2 20061115 (prerelease) (Debian 4.1.1-21)) #1 PREEMPT Mon Sep 22 15:57:45 CEST 2008
> > > 5.
> 
> You missed the message from rt2x00 2 lines above this trace, which undoubtly have said something like:
> 	"Invalid RT chipset detected."
> which is triggered when rt73usb is loaded for a device it does not support
> 
> The current workaround for this issue is blacklisting rt73usb and making sure the driver
> which is required for your driver is loaded instead.
> 
> I'll look into the reason why this actually triggers a NULL pointer, since that is obviously a nasty bug.

-stable needs a patch similar to the one here:

	http://people.redhat.com/linville/kernels/rhel5/patches/jwltest-rt2x00lib-probe-fail.patch

John
-- 
John W. Linville		Linux should be at the core
linville@...driver.com			of your literate lifestyle.
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