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Mon, 2 Mar 2020 22:50:59 +0000 From: Rick Macklem To: Alan Somers CC: freebsd-fs , Rick Macklem Subject: Re: go build, flock, and NFS_BADSEQID Thread-Topic: go build, flock, and NFS_BADSEQID Thread-Index: AQHV8MkuyE39915G806DwUCLKbUVs6g14d4/gAADuQCAAAKSQg== Date: Mon, 2 Mar 2020 22:50:59 +0000 Message-ID: References: , In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 960a6a09-07a1-4615-dd80-08d7befc2d4e x-ms-traffictypediagnostic: YTBPR01MB2431: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:2399; x-forefront-prvs: 033054F29A x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(346002)(366004)(376002)(39860400002)(396003)(136003)(199004)(189003)(66946007)(186003)(26005)(8676002)(66476007)(81156014)(786003)(316002)(91956017)(66446008)(66556008)(64756008)(54906003)(81166006)(8936002)(2906002)(76116006)(6916009)(33656002)(55016002)(9686003)(52536014)(478600001)(450100002)(53546011)(71200400001)(6506007)(86362001)(7696005)(4326008)(5660300002); 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: uoguelph.ca X-MS-Exchange-CrossTenant-Network-Message-Id: 960a6a09-07a1-4615-dd80-08d7befc2d4e X-MS-Exchange-CrossTenant-originalarrivaltime: 02 Mar 2020 22:50:59.6754 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: be62a12b-2cad-49a1-a5fa-85f4f3156a7d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: Fh0ntCFMP57KTSDLKUEOVzCLUh2b5TMsr4mG9VP0GXgVPVsngn1ZtIXdFmGgQa+s3IENLCz0vqPs0QngKQiT2g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: YTBPR01MB2431 X-Rspamd-Queue-Id: 48Wb391mB6z3Mnn X-Spamd-Bar: ----- Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [-5.88 / 15.00]; NEURAL_HAM_MEDIUM(-0.88)[-0.884,0]; REPLY(-4.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000,0] X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 02 Mar 2020 22:51:01 -0000 Oh and avoid "soft,intr" options on the mount. Those are pretty much guaranteed to result in a BADSEQID sooner or later. rick ps: It's in the Bugs section of "man mount_nfs", but nobody reads that far;= -) ________________________________________ From: Alan Somers Sent: Monday, March 2, 2020 5:40 PM To: Rick Macklem Cc: freebsd-fs; Rick Macklem Subject: Re: go build, flock, and NFS_BADSEQID Is that a mount option? Because it seems like I can't set it with "mount -= u". Do I need to completely unmount first? On Mon, Mar 2, 2020 at 3:28 PM Rick Macklem > wrote: Try "minorversion=3D1". The seqid stuff is NFSv4.0 specific and shouldn't be broken, but NFSv4.1 fixed all this in better ways. rick ________________________________________ From: alan somers > Sent: Monday, March 2, 2020 2:31 PM To: freebsd-fs Cc: Rick Macklem Subject: go build, flock, and NFS_BADSEQID I'm trying to build a Go project with /usr/home mounted with NFSv4. The se= rver is running 12.0-RELEASE and the client is running 12.1-RELEASE. But t= he build reliably fails because flock(2) returns EACCES. Dtrace shows the = cause is nfsrpc_advlock returning NFS_BADSEQID. This sounds like an NFS bu= g (server, client, or both? I'm not sure). I'm not an NFS expert. Is thi= s something I should pursue, and would somebody please give me advise on ho= w to debug further? -Alan