From owner-freebsd-wireless@FreeBSD.ORG  Tue May 20 15:00:24 2014
Return-Path: <owner-freebsd-wireless@FreeBSD.ORG>
Delivered-To: freebsd-wireless@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTPS id 97F4650C;
 Tue, 20 May 2014 15:00:24 +0000 (UTC)
Received: from mail-yh0-x236.google.com (mail-yh0-x236.google.com
 [IPv6:2607:f8b0:4002:c01::236])
 (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits))
 (Client CN "smtp.gmail.com",
 Issuer "Google Internet Authority G2" (verified OK))
 by mx1.freebsd.org (Postfix) with ESMTPS id 4EE042E42;
 Tue, 20 May 2014 15:00:24 +0000 (UTC)
Received: by mail-yh0-f54.google.com with SMTP id i57so453157yha.13
 for <multiple recipients>; Tue, 20 May 2014 08:00:23 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113;
 h=mime-version:in-reply-to:references:date:message-id:subject:from:to
 :cc:content-type;
 bh=LKR+2oz80BZlx3xJL5gdbeDJUwW4UwqaUTMetUnnMpA=;
 b=vSsnx2WOKpeW+G5xmVgNkmGtF45OG7cC/ItKLc/BLPVD6aYNygWtD25h2OpGnLeAUm
 BpMOZi9JZcLuwgXUMnkaALMmXNyuwFrJ0JIuZCocsxnfgmT3JxsL2y+L8E1rJ6NkTRGE
 ODxyB4PyzrduXhqhicokn87Ya6pBYY/UMasdBWsGnwSN2hzVG5iBtoPQ5OweLw4FNP7Y
 opq4B+JjX17z5wjKNRvrg0aNlbnZm7npZGwne9MS4xWo8IxI6gtd4GBzCkX0A+vkOlms
 XaHi36jX09mWQwK4nuTB+u7c+0o1vFd0eR5TgRd/oQbE4efLkiH5phRP4z1AQRz1pmGY
 vcRA==
MIME-Version: 1.0
X-Received: by 10.236.46.225 with SMTP id r61mr63001722yhb.107.1400598023460; 
 Tue, 20 May 2014 08:00:23 -0700 (PDT)
Received: by 10.170.89.65 with HTTP; Tue, 20 May 2014 08:00:23 -0700 (PDT)
In-Reply-To: <537B497E.8070701@selasky.org>
References: <CAPp9Or=6ryhXzLCE07xOKywwQLkJ7FQ-1w8ePru6p0Cfr0FcJQ@mail.gmail.com>
 <537AEC79.6080406@selasky.org>
 <CAPp9Ork4H=v+udbteJgjOCS9HeGUgMSCFdMOm84x8i0jr4+J=w@mail.gmail.com>
 <537B497E.8070701@selasky.org>
Date: Tue, 20 May 2014 17:00:23 +0200
Message-ID: <CAPp9Or=yUXU2adQP5qppjwWJDJA3q-Ns+abRi=bRmwKtg9qaHw@mail.gmail.com>
Subject: Re: if_rsu hardware causes a kernel panic on removal..
From: Idwer Vollering <vidwer@gmail.com>
To: Hans Petter Selasky <hps@selasky.org>
Content-Type: text/plain; charset=UTF-8
Cc: freebsd-wireless@freebsd.org, freebsd-usb@freebsd.org
X-BeenThere: freebsd-wireless@freebsd.org
X-Mailman-Version: 2.1.18
Precedence: list
List-Id: "Discussions of 802.11 stack,
 tools device driver development." <freebsd-wireless.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-wireless>, 
 <mailto:freebsd-wireless-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-wireless/>
List-Post: <mailto:freebsd-wireless@freebsd.org>
List-Help: <mailto:freebsd-wireless-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-wireless>, 
 <mailto:freebsd-wireless-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 20 May 2014 15:00:24 -0000

2014-05-20 14:24 GMT+02:00 Hans Petter Selasky <hps@selasky.org>:
> On 05/20/14 14:13, Idwer Vollering wrote:
>>
>> 2014-05-20 7:47 GMT+02:00 Hans Petter Selasky <hps@selasky.org>:
>>>
>>> On 05/19/14 23:21, Idwer Vollering wrote:
>>>>
>>>>
>>>> ..while running a kernel that has rsu_debug set to >0.
>>>>
>>>> Line 1712: "fault virtual address   = 0xffff804000000000"
>>>> core0.txt ->
>>>>
>>>> http://ra.openbios.org/~idwer/freebsd/fbsd_10-stable_rsu_panic_core_0.txt
>>>>
>>>> HTH,
>>>
>>>
>>>
>>> Hi,
>>>
>>> Does this patch make any difference?
>>
>>
>> Yes, this solves the panic.
>>
>
> Hi,
>
> Please verify:
>
> http://svnweb.freebsd.org/changeset/base/266466
>
> --HPS

Looks good to me.. if only it wasn't panicking on insertion, again
with rsu_debug set to anything greater than 0 (5, in this case). The
panic on insertion is reproducable with otherwise unmodified r266465.
Any thoughts?