From owner-freebsd-current Thu Oct 17 10: 3: 6 2002 Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id EA3C837B401 for ; Thu, 17 Oct 2002 10:03:03 -0700 (PDT) Received: from boreas.isi.edu (boreas.isi.edu [128.9.160.161]) by mx1.FreeBSD.org (Postfix) with ESMTP id 683CE43EB1 for ; Thu, 17 Oct 2002 10:03:03 -0700 (PDT) (envelope-from larse@ISI.EDU) Received: from isi.edu (nik.isi.edu [128.9.168.58]) by boreas.isi.edu (8.11.6/8.11.2) with ESMTP id g9HH32C14956 for ; Thu, 17 Oct 2002 10:03:02 -0700 (PDT) Message-ID: <3DAEED46.9070008@isi.edu> Date: Thu, 17 Oct 2002 10:03:02 -0700 From: Lars Eggert User-Agent: Mozilla/5.0 (X11; U; Linux i386; en-US; rv:1.1) Gecko/20020826 X-Accept-Language: en-us, de-de MIME-Version: 1.0 To: current Subject: three lock order reversals Content-Type: multipart/signed; protocol="application/x-pkcs7-signature"; micalg=sha1; boundary="------------ms030702020303030509010202" Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG This is a cryptographically signed message in MIME format. --------------ms030702020303030509010202 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Hi, a general question first: Is there anything that would tell me which witness/lock warnings have been reported already? Or who to send witness/lock warnings to directly, without going through the list? Here's a bunch of warnigns I've been seeing: lock order reversal 1st 0xc9692000 vnode interlock (vnode interlock) @ /usr/src/sys/nfsclient/nfs_vnops.c:2629 2nd 0xc052ffc0 vm page queue mutex (vm page queue mutex) @ /usr/src/sys/vm/vm_kern.c:424 lock order reversal 1st 0xc0585ec0 spechash (spechash) @ /usr/src/sys/kern/vfs_subr.c:2748 2nd 0xc79c3de0 vnode interlock (vnode interlock) @ /usr/src/sys/kern/vfs_subr.c:2751 lock order reversal 1st 0xc6297bd4 xl0 (network driver) @ /usr/src/sys/pci/if_xl.c:1264 2nd 0xc0502140 allproc (allproc) @ /usr/src/sys/kern/kern_fork.c:317 (I also see the "usual" pcm lock warnigns, but sound under -current seems to be in a sorry state to begin with... ;-) Lars -- Lars Eggert USC Information Sciences Institute --------------ms030702020303030509010202 Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature 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