From owner-freebsd-current@FreeBSD.ORG Tue Apr 20 06:50:41 2010 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 805AD106564A for ; Tue, 20 Apr 2010 06:50:41 +0000 (UTC) (envelope-from erik@cederstrand.dk) Received: from csmtp2.one.com (csmtp2.one.com [91.198.169.22]) by mx1.freebsd.org (Postfix) with ESMTP id D8B488FC17 for ; Tue, 20 Apr 2010 06:50:40 +0000 (UTC) Received: from [192.168.0.70] (0x573fa596.cpe.ge-1-1-0-1109.ronqu1.customer.tele.dk [87.63.165.150]) by csmtp2.one.com (Postfix) with ESMTP id 5C5F01B0029C4; Tue, 20 Apr 2010 06:50:38 +0000 (UTC) Mime-Version: 1.0 (Apple Message framework v1078) Content-Type: multipart/signed; boundary=Apple-Mail-53--766223824; protocol="application/pkcs7-signature"; micalg=sha1 From: Erik Cederstrand In-Reply-To: Date: Tue, 20 Apr 2010 08:50:35 +0200 Message-Id: References: To: Attilio Rao X-Mailer: Apple Mail (2.1078) X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: FreeBSD Current Subject: Re: panic: deadlkres: possible deadlock detected X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 20 Apr 2010 06:50:41 -0000 --Apple-Mail-53--766223824 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Den 19/04/2010 kl. 17.03 skrev Attilio Rao: > 2010/4/19 Erik Cederstrand : >> Hi >>=20 >> I'm testing ClangBSD in a VirtualBox client and ran into a panic on = the client, but I don't think it's clang-related. I haven't tried kernel = debugging before. I tried getting a backtrace as described in = http://old.nabble.com/Re%3A-ia64--%3E-panic%3A-deadlkres%3A-possible-deadl= ock-detected-for-0xe00000001187d880%2C-blocked-for-1801437-ticks-p28123802= .html and this i the result: >>=20 >> http://tinypic.com/r/2llegza/5 >>=20 >> Any pointers on ho to debug this further? >=20 > I think we have to bless getblk. However your system may have got > buffers shortage due to bufdaemon deficiencies. >=20 > Are you using 8.0 or current? This is current (the latest ClangBSD revision). I was running pho's = stress2 test suite when this happened. Thanks, Erik= --Apple-Mail-53--766223824--