From owner-freebsd-fs@FreeBSD.ORG  Tue Oct  4 08:03:40 2011
Return-Path: <owner-freebsd-fs@FreeBSD.ORG>
Delivered-To: fs@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 61459106566C
	for <fs@freebsd.org>; Tue,  4 Oct 2011 08:03:40 +0000 (UTC)
	(envelope-from lev@FreeBSD.org)
Received: from onlyone.friendlyhosting.spb.ru (onlyone.friendlyhosting.spb.ru
	[IPv6:2a01:4f8:131:60a2::2])
	by mx1.freebsd.org (Postfix) with ESMTP id EF9768FC12
	for <fs@freebsd.org>; Tue,  4 Oct 2011 08:03:39 +0000 (UTC)
Received: from lion.home.serebryakov.spb.ru (unknown
	[IPv6:2001:470:923f:1:906c:6af3:5301:18c6])
	(Authenticated sender: lev@serebryakov.spb.ru)
	by onlyone.friendlyhosting.spb.ru (Postfix) with ESMTPA id 1F7794AC1C; 
	Tue,  4 Oct 2011 12:03:38 +0400 (MSD)
Date: Tue, 4 Oct 2011 12:03:30 +0400
From: Lev Serebryakov <lev@FreeBSD.org>
Organization: FreeBSD Project
X-Priority: 3 (Normal)
Message-ID: <81957544.20111004120330@serebryakov.spb.ru>
To: "Andrey V. Elsukov" <bu7cher@yandex.ru>
In-Reply-To: <4E8A87CD.2080001@yandex.ru>
References: <1258376930.20111002193223@serebryakov.spb.ru>
	<228926402.20111002231459@serebryakov.spb.ru>
	<349860851.20111003113417@serebryakov.spb.ru>
	<4E8986F0.3050007@freebsd.org>
	<1223820108.20111003161859@serebryakov.spb.ru>
	<4E8A87CD.2080001@yandex.ru>
MIME-Version: 1.0
Content-Type: text/plain; charset=koi8-r
Content-Transfer-Encoding: quoted-printable
Cc: fs@freebsd.org
Subject: Re: code in GEOM thread could not use vnode API (Was:
	alq_open_flags() panics in _mtx_lock_flags())
X-BeenThere: freebsd-fs@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
Reply-To: lev@FreeBSD.org
List-Id: Filesystems <freebsd-fs.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-fs>,
	<mailto:freebsd-fs-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-fs>
List-Post: <mailto:freebsd-fs@freebsd.org>
List-Help: <mailto:freebsd-fs-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-fs>,
	<mailto:freebsd-fs-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 04 Oct 2011 08:03:40 -0000

Hello, Andrey.
You wrote 4 =CF=CB=D4=D1=C2=D2=D1 2011 =C7., 8:13:01:

>>   This is geom_zero module, which try to create ALQ with name
>>   "/var/log/zero.alq.log" on it load (not creation! So, you don't need
>>   even create such GEOM!). Please note, that "init" callback of GEOM
>>   class is called in g_event GEOM thread.
> Did you try just release the topology lock before alq_open and acquire it=
 back
> before exit from _init method?
  Yep. Doesn't help. Same panic in same place.

--=20
// Black Lion AKA Lev Serebryakov <lev@FreeBSD.org>