From owner-freebsd-stable@FreeBSD.ORG  Wed Sep 26 17:00:05 2012
Return-Path: <owner-freebsd-stable@FreeBSD.ORG>
Delivered-To: freebsd-stable@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 57E551065670
	for <freebsd-stable@freebsd.org>; Wed, 26 Sep 2012 17:00:05 +0000 (UTC)
	(envelope-from ctuffli@gmail.com)
Received: from mail-ee0-f54.google.com (mail-ee0-f54.google.com [74.125.83.54])
	by mx1.freebsd.org (Postfix) with ESMTP id C68818FC14
	for <freebsd-stable@freebsd.org>; Wed, 26 Sep 2012 17:00:04 +0000 (UTC)
Received: by eekc50 with SMTP id c50so495658eek.13
	for <freebsd-stable@freebsd.org>; Wed, 26 Sep 2012 10:00:03 -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=Gj37HKh4nT/+4WDBcH8jR4LSp5gARVoRR1EgnDl5hI0=;
	b=r13DGPtqFrlgBuUyqivvE3XB87QI0bRwjvxsGb7Cg21vqT+7ZBKVNDPRI3+PzvijC/
	ZOgNVPC4GJ4/V6uAoiPk6OZBlKqGc2brv5qpW4Fip2t59kO3OMxPTAWFbXSyy804I4CX
	sYHZ3V0mEoNlsFHd7tY0hMauWYMrR0yOgO24bQKQPchvBAXaJlkp5AUnENsP2roYQkmW
	WRPTBw0E/MHkwv9yVSi9LC0Tmi66Pc5RdKc38xik2ml495Op0DcAW19mCAyqgZIiwsRt
	/v3xvYfPU//2MRMs2fb0wVtTQpodjB9VV6LCIoW0FYEo0WqkfEP2qQ7Lfsh2i73n8Tz3
	9AUA==
MIME-Version: 1.0
Received: by 10.14.173.131 with SMTP id v3mr2416339eel.15.1348678803919; Wed,
	26 Sep 2012 10:00:03 -0700 (PDT)
Received: by 10.14.117.208 with HTTP; Wed, 26 Sep 2012 10:00:03 -0700 (PDT)
In-Reply-To: <8572392631081128705@unknownmsgid>
References: <057A94AC-3CBC-4E91-8816-74EE2E4C8420@gmail.com>
	<CAKAYmMJrDKpu_wBtpywEmgaCRhdh2th_wrjHzZP26FDSGtui8g@mail.gmail.com>
	<0546BF68-44E0-4048-AA70-2BD4F707AE06@gmail.com>
	<CAKAYmMJtntTKTDr6pROJvRR2DP=n-DoORoYrbNhSYT6EXKMcVA@mail.gmail.com>
	<8572392631081128705@unknownmsgid>
Date: Wed, 26 Sep 2012 10:00:03 -0700
Message-ID: <CAKAYmMJQN+CcKCYa99aU3ZgBFS9g+wTROM+xPf6u6FC2b+HoCA@mail.gmail.com>
From: Chuck Tuffli <ctuffli@gmail.com>
To: Nikolay Denev <ndenev@gmail.com>
Content-Type: text/plain; charset=ISO-8859-1
Cc: "freebsd-stable@freebsd.org" <freebsd-stable@freebsd.org>
Subject: Re: CAM Target Layer, Linux and camcontrol readcap
X-BeenThere: freebsd-stable@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Production branch of FreeBSD source code <freebsd-stable.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-stable>, 
	<mailto:freebsd-stable-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-stable>
List-Post: <mailto:freebsd-stable@freebsd.org>
List-Help: <mailto:freebsd-stable-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-stable>,
	<mailto:freebsd-stable-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 26 Sep 2012 17:00:05 -0000

On Wed, Sep 26, 2012 at 9:54 AM, Nikolay Denev <ndenev@gmail.com> wrote:
> On 26.09.2012, at 19:08, Chuck Tuffli <ctuffli@gmail.com> wrote:
...
>> Yup, this is the symptom you will see unless realsync is off (ie. GEOM
>> is barfing on the sync and this blocks subsequent commands from
>> completing).
>>
>> ---chuck
>
> Any idea if the machine can recover from this state without rebooting?

I haven't found a way other than rebooting. In fact, if you have
INVARIANTS enabled in your kernel, you will hit an assert in GEOM and
panic.

---chuck