From owner-freebsd-current@freebsd.org Thu Feb 23 03:06:45 2017 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 8E08ACEADB5 for ; Thu, 23 Feb 2017 03:06:45 +0000 (UTC) (envelope-from kaduk@mit.edu) Received: from mailman.ysv.freebsd.org (unknown [127.0.1.3]) by mx1.freebsd.org (Postfix) with ESMTP id 6EFF3CEF for ; Thu, 23 Feb 2017 03:06:45 +0000 (UTC) (envelope-from kaduk@mit.edu) Received: by mailman.ysv.freebsd.org (Postfix) id 6E543CEADB4; Thu, 23 Feb 2017 03:06:45 +0000 (UTC) Delivered-To: current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 6DF61CEADB3 for ; Thu, 23 Feb 2017 03:06:45 +0000 (UTC) (envelope-from kaduk@mit.edu) Received: from dmz-mailsec-scanner-6.mit.edu (dmz-mailsec-scanner-6.mit.edu [18.7.68.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 2070BCEE for ; Thu, 23 Feb 2017 03:06:44 +0000 (UTC) (envelope-from kaduk@mit.edu) X-AuditID: 12074423-e1bff70000004996-5c-58ae51bce4d7 Received: from mailhub-auth-4.mit.edu ( [18.7.62.39]) (using TLS with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by (Symantec Messaging Gateway) with SMTP id 83.58.18838.CB15EA85; Wed, 22 Feb 2017 22:06:37 -0500 (EST) Received: from outgoing.mit.edu (outgoing-auth-1.mit.edu [18.9.28.11]) by mailhub-auth-4.mit.edu (8.13.8/8.9.2) with ESMTP id v1N36Zpm008573; Wed, 22 Feb 2017 22:06:36 -0500 Received: from kduck.kaduk.org (24-107-191-124.dhcp.stls.mo.charter.com [24.107.191.124]) (authenticated bits=56) (User authenticated as kaduk@ATHENA.MIT.EDU) by outgoing.mit.edu (8.13.8/8.12.4) with ESMTP id v1N36WoQ010000 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Wed, 22 Feb 2017 22:06:35 -0500 Date: Wed, 22 Feb 2017 21:06:32 -0600 From: Benjamin Kaduk To: Jeffrey Bouquet Cc: current Subject: Re: Lock order reversal [ newbie ] report [2nd one] Message-ID: <20170223030632.GN30306@kduck.kaduk.org> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.6.1 (2016-04-27) X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrBIsWRmVeSWpSXmKPExsUixG6nrrs3cF2EwdHD0hYTrvxgsvj64Suz A5PHjE/zWTyuv+xkDGCK4rJJSc3JLEst0rdL4MqYt5S34AdPxcSNq1kbGG9xdTFycEgImEh0 31HrYuTiEBJoY5L49+QTG4SzkVFi+7bdjBDOVSaJjgOT2bsYOTlYBFQl3mzvZQOx2QRUJBq6 LzOD2CIC+hLPbu4DizMLKEqcPjCLBcQWFrCReLN/NiPINl6gbQfPRYGEhQTCJfovbAIr4RUQ lDg58wkLRKuWxI1/L5lAypkFpCWW/+MACXMKGAKdc5QJxBYVUJZomPGAeQKjwCwk3bOQdM9C 6F7AyLyKUTYlt0o3NzEzpzg1Wbc4OTEvL7VI10wvN7NELzWldBMjOEBdlHcwvuzzPsQowMGo xMN7YNHaCCHWxLLiytxDjJIcTEqivH/uAIX4kvJTKjMSizPii0pzUosPMUpwMCuJ8B5xXxch xJuSWFmVWpQPk5LmYFES5xXXaIwQEkhPLEnNTk0tSC2CycpwcChJ8Nb4AzUKFqWmp1akZeaU IKSZODhBhvMADZ8UADK8uCAxtzgzHSJ/ilFRSpz3KUizAEgiozQPrheUQCSy99e8YhQHekWY tx2knQeYfOC6XwENZgIabOm8FmRwSSJCSqqBUeLGZMFDnLt0Dj8suqgVfftG9od5pgJ1F2JX VCsebW9VmWYWqnX8kFLPZZbekGtpnYayBU8PyeTMmPNWWazm+8QAzoXPvuTed6zSWFqYN0tC IHizjb7VoifuX3Zq7usWPNuQ9Of7QgmhftVq33unHoRMUflsbcrz5P6GwsWm56rlVbIElMNE lViKMxINtZiLihMBIAim5vsCAAA= X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.23 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: Thu, 23 Feb 2017 03:06:45 -0000 Hi Jeffrey, Thank you for your enthusiasm in reporting these. Unfortunately, it is very likely that these two are "well-known" and believed to be harmless, so you have not discovered something terribly exciting. An old and no-longer particularly maintained listing of these and other LORs is at: http://sources.zabbadoz.net/freebsd/lor.html -Ben On Wed, Feb 22, 2017 at 06:20:08PM -0800, Jeffrey Bouquet wrote: > This one at boot: > #0 to #10 > bufwait > /usr/src/sys/kern/vfs_bio.c:3500 > dirhash > /usr/src/sys/ufs/ufs/ufs_dirhash.c:201 > > r313487 12.0-CURRENT Feb 13 2017 > 1200020 FWIW > both the above and the below reports... > > > > > On Wed, 22 Feb 2017 15:37:21 -0800 (PST), "Jeffrey Bouquet" wrote: > > > #0 #16 follow: > > jotted down : > > > > 1. ufs /usr/src/sys/kern/vfs_syscalls.c:3364 > > 2. bufwait /usr/src/sys/ufs/ffs/ffs_vnops.c:280 > > 3. ufs /usr/src/sys/kern/vfs_subr.c:2600 > > > > [ took roxterm out of the xinitrc, system stable seems more than yesterday... too > > early to tell, which is/was a 2nd issue... put in urxvt and st... based on TOP memory... ] > > _______________________________________________ > > freebsd-current@freebsd.org mailing list > > https://lists.freebsd.org/mailman/listinfo/freebsd-current > > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" > > > _______________________________________________ > freebsd-current@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"