From owner-freebsd-fs@freebsd.org Thu Mar 23 18:21:28 2017 Return-Path: Delivered-To: freebsd-fs@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 D6EBBD1ABB7; Thu, 23 Mar 2017 18:21:28 +0000 (UTC) (envelope-from ler@lerctr.org) Received: from thebighonker.lerctr.org (thebighonker.lerctr.org [IPv6:2001:470:1f0f:3ad:223:7dff:fe9e:6e8a]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "thebighonker.lerctr.org", Issuer "COMODO RSA Domain Validation Secure Server CA" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id B52191285; Thu, 23 Mar 2017 18:21:28 +0000 (UTC) (envelope-from ler@lerctr.org) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lerctr.org; s=lerami; h=Content-transfer-encoding:Content-type:Mime-version:In-Reply-To: References:Message-ID:CC:To:From:Subject:Date:Sender:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=8GHeh4tI08mIRaAmN2TzBc1dM5CcKtUms2phclVFT7s=; b=Atp2AqDznXpKRx4G0EI3dH3DMV O/rj0PugibucVHawUyCC/+SmiG3/42Avxe0DV0i/JBf8ydAGTlW+7afSUDdH+vm2wIZMQx06ccgPi Wy5qDya179blD7jUo6M+JwMw54xfJrwMine7wiIdqwZE/om0sU7fuT6Zh1zEXuPZLa8I=; Received: from [74.203.163.58] (port=25718 helo=[10.106.10.51]) by thebighonker.lerctr.org with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89 (FreeBSD)) (envelope-from ) id 1cr7MV-0008hC-H4; Thu, 23 Mar 2017 13:21:27 -0500 User-Agent: Microsoft-MacOutlook/f.20.0.170309 Date: Thu, 23 Mar 2017 13:20:57 -0500 Subject: Re: crash: umount_nfs: Current From: Larry Rosenman To: Rick Macklem , "freebsd-fs@freebsd.org" CC: "freebsd-current@FreeBSD.org" Message-ID: Thread-Topic: crash: umount_nfs: Current References: <20170316024433.qiujcewz5bclbgq5@borg.lerctr.org> In-Reply-To: Mime-version: 1.0 Content-type: text/plain; charset="UTF-8" Content-transfer-encoding: quoted-printable X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 23 Mar 2017 18:21:28 -0000 Ok, I think I have a repro scenario. I just repro=E2=80=99d it without this patc= h.=20 I=E2=80=99ll apply it and try again. It takes about 2 days to get enough INACT data that the umount_nfs crashes. --=20 Larry Rosenman http://www.lerctr.org/~ler Phone: +1 214-642-9640 E-Mail: ler@lerctr.org US Mail: 17716 Limpia Crk, Round Rock, TX 78664-7281 =20 =20 On 3/22/17, 9:20 PM, "Rick Macklem" wrote: Larry Rosenman wrote: =20 > Err, I=E2=80=99m at r315289=E2=80=A6. I think the attached patch (only very lightly tested by me) will fix th= is crash. If you have an easy way to test it, that would be appreciated, rick =20 =20