From owner-freebsd-current@freebsd.org Tue Jan 5 06:42:40 2016 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 F39B5A61687 for ; Tue, 5 Jan 2016 06:42:39 +0000 (UTC) (envelope-from benno@FreeBSD.org) Received: from out4-smtp.messagingengine.com (out4-smtp.messagingengine.com [66.111.4.28]) (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 B0EAE1FC6 for ; Tue, 5 Jan 2016 06:42:39 +0000 (UTC) (envelope-from benno@FreeBSD.org) Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailout.nyi.internal (Postfix) with ESMTP id CC8E420AE3 for ; Tue, 5 Jan 2016 01:42:38 -0500 (EST) Received: from frontend2 ([10.202.2.161]) by compute3.internal (MEProxy); Tue, 05 Jan 2016 01:42:38 -0500 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-sasl-enc :x-sasl-enc; s=smtpout; bh=709398R7G9TgtAf/+8KGZjc15Ik=; b=Lz2uJ P2FR+bpz5KRUA3pyNJajZ6FXEClMUJUoloJPYd8LkZK8dA8YEwsX8svlvbcIdo9Y 7tNYHxbuMizwicx2Y6wZ5xK86xplY7zlI/N280YmCHfuBeQppMO/55DKLbYf1tQw WpySIOmNjnyEC6BOcfibMJfOjqDmPoNrVHX/OM= X-Sasl-enc: Q4V3c06IsVqPRW7aJsh0e+6d862tCKwagMr3JsH3UUqs 1451976158 Received: from itmkpacimm1.corp.emc.com (c-67-160-26-243.hsd1.wa.comcast.net [67.160.26.243]) by mail.messagingengine.com (Postfix) with ESMTPA id 42962680108; Tue, 5 Jan 2016 01:42:38 -0500 (EST) Mime-Version: 1.0 (Mac OS X Mail 9.2 \(3112\)) Subject: Re: Possible bug in or around posix_fadvise after r292326 From: Benno Rice In-Reply-To: Date: Mon, 4 Jan 2016 22:42:36 -0800 Cc: freebsd-current Message-Id: References: To: Konstantin Belousov X-Mailer: Apple Mail (2.3112) Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.20 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.20 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: Tue, 05 Jan 2016 06:42:40 -0000 > On Jan 4, 2016, at 22:05, Benno Rice wrote: >=20 > Hi Konstantin, >=20 > I recently updated my dev box to r292962. After doing this I attempted = to set up PostgreSQL 9.4. When I ran initdb the last phase hung. Using = procstat -kk I found it appeared to be stuck in a loop inside a = posix_fadvise syscall. I could not ^C or ^Z the initdb process. I could = kill it but a subsequent attempt to rm -rf the /usr/local/pgsql/data = directory also got stuck and was unkillable by any means. Rebooting = allowed me to remove the directory but the initdb process still hung = when I re-ran it. [snip] >=20 > I haven=E2=80=99t managed to dig any deeper than that yet. >=20 > Is there any other information I could give you to help narrow this = down? Rebooted with a WITNESS kernel and got the following LOR after initdb = started: https://gist.github.com/jeamland/69a07c4523f0dea4c26c =