From owner-freebsd-current@FreeBSD.ORG  Fri Dec 11 14:12:27 2009
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
Delivered-To: current@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 2A72F1065695
	for <current@freebsd.org>; Fri, 11 Dec 2009 14:12:27 +0000 (UTC)
	(envelope-from avg@icyb.net.ua)
Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140])
	by mx1.freebsd.org (Postfix) with ESMTP id 5A0E58FC13
	for <current@freebsd.org>; Fri, 11 Dec 2009 14:12:26 +0000 (UTC)
Received: from odyssey.starpoint.kiev.ua (alpha-e.starpoint.kiev.ua
	[212.40.38.101])
	by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id QAA09303
	for <current@freebsd.org>; Fri, 11 Dec 2009 16:12:24 +0200 (EET)
	(envelope-from avg@icyb.net.ua)
Message-ID: <4B225348.3010806@icyb.net.ua>
Date: Fri, 11 Dec 2009 16:12:24 +0200
From: Andriy Gapon <avg@icyb.net.ua>
User-Agent: Thunderbird 2.0.0.23 (X11/20091206)
MIME-Version: 1.0
To: "current@freebsd.org" <current@freebsd.org>
X-Enigmail-Version: 0.95.7
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit
Cc: 
Subject: acquiring duplicate lock of same type: "ftlk"
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
	<freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>, 
	<mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
	<mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 11 Dec 2009 14:12:27 -0000


acquiring duplicate lock of same type: "ftlk"
1st ftlk @ /usr/src/sys/compat/linux/linux_futex.c:177
2nd ftlk @ /usr/src/sys/compat/linux/linux_futex.c:203
KDB: stack backtrace:
db_trace_self_wrapper() at 0xffffffff801b1b9a = db_trace_self_wrapper+0x2a
kdb_backtrace() at 0xffffffff80391542 = kdb_backtrace+0x32
_witness_debugger() at 0xffffffff803a561c = _witness_debugger+0x2c
witness_checkorder() at 0xffffffff803a6640 = witness_checkorder+0x510
_sx_xlock() at 0xffffffff80367f78 = _sx_xlock+0x88
futex_get0() at 0xffffffff8055ba27 = futex_get0+0x1e7
linux_sys_futex() at 0xffffffff8055c74a = linux_sys_futex+0x58a
ia32_syscall() at 0xffffffff8054a574 = ia32_syscall+0x2a4
Xint0x80_syscall() at 0xffffffff80509425 = Xint0x80_syscall+0x95

-- 
Andriy Gapon