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Sun, 7 Aug 2016 21:35:00 +0000 Received: from YQBPR01MB0401.CANPRD01.PROD.OUTLOOK.COM ([10.169.142.147]) by YQBPR01MB0401.CANPRD01.PROD.OUTLOOK.COM ([10.169.142.147]) with mapi id 15.01.0549.025; Sun, 7 Aug 2016 21:35:00 +0000 From: Rick Macklem To: Harry Schmalzbauer , FreeBSD Stable Subject: Re: 1-BETA3 Panic: __lockmgr_args: downgrade a recursed lockmgr nfs @ /usr/local/share/deploy-tools/RELENG_11/src/sys/fs/unionfs/union_vnops.c:1905 Thread-Topic: 1-BETA3 Panic: __lockmgr_args: downgrade a recursed lockmgr nfs @ /usr/local/share/deploy-tools/RELENG_11/src/sys/fs/unionfs/union_vnops.c:1905 Thread-Index: AQHR8OzLtvOzjSUVjkWwOO7XbQB0oqA+AtFE Date: Sun, 7 Aug 2016 21:34:59 +0000 Message-ID: References: <57A79E24.8000100@omnilan.de> In-Reply-To: <57A79E24.8000100@omnilan.de> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=rmacklem@uoguelph.ca; x-originating-ip: [24.57.164.61] x-ms-office365-filtering-correlation-id: 9978d579-cf04-467c-dbf1-08d3bf0aaf7e x-microsoft-exchange-diagnostics: 1; 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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.22 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 07 Aug 2016 23:07:10 -0000 Harry Schmalzbauer wrote: > Hello, > > I had another crash which I'm quite sure was triggered by mount_unionfs: Just in case you are not already aware, unionfs is always broken. Read the = BUGS section at the end of "man mount_unionfs". If it were easy to fix, someone = would have done so long ago. Yes, some use it successfully, but if not... Sorry, but I suspect that is how it will remain, rick Unread portion of the kernel message buffer: panic: __lockmgr_args: downgrade a recursed lockmgr nfs @ /usr/local/share/deploy-tools/RELENG_11/src/sys/fs/unionfs/union_vnops.c:19= 05 - Crash info deleted for brevity.