linux-kernel - Re: [BUG Report] BUG: unable to handle kernel NULL pointer dereference at

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Date:	Mon, 13 Aug 2012 12:01:24 +0200
From:	Bjørn Mork <bjorn@...k.no>
To:	Liu Bo <liub.liubo@...il.com>
Cc:	linux-usb@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [BUG Report] BUG: unable to handle kernel NULL pointer dereference at

Liu Bo <liub.liubo@...il.com> writes:

> I'm using mainline upstream 3.6.0-rc1 compiled based on Fedora-16.
>
> When I unplug my mobile usb card, I hit this:
>
> [  247.017258] BUG: unable to handle kernel NULL pointer dereference at           (null)
> [  247.017378] IP: [<ffffffffa03bf27f>] stop_read_write_urbs+0x3f/0x90 [usb_wwan]

Thanks for reporting.  This should be fixed by

 a1028f0 usb: usb_wwan: replace release and disconnect with a port_remove hook

currently in the usb tree, and hopefully going into the next -rc



Bjørn
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