From owner-freebsd-stable@FreeBSD.ORG Mon Feb 18 12:12:15 2013 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 2BE1DCC4; Mon, 18 Feb 2013 12:12:15 +0000 (UTC) (envelope-from scrappy@hub.org) Received: from hub.org (hub.org [200.46.208.146]) by mx1.freebsd.org (Postfix) with ESMTP id BB26C641; Mon, 18 Feb 2013 12:12:14 +0000 (UTC) Received: from maia.hub.org (unknown [200.46.151.188]) by hub.org (Postfix) with ESMTP id ED3E013231C9; Mon, 18 Feb 2013 08:12:07 -0400 (AST) Received: from hub.org ([200.46.208.146]) by maia.hub.org (mx1.hub.org [200.46.151.188]) (amavisd-maia, port 10024) with ESMTP id 11394-03; Mon, 18 Feb 2013 12:12:07 +0000 (UTC) Received: from [192.168.0.52] (S01067cb21b2ff4ca.gv.shawcable.net [24.108.26.71]) by hub.org (Postfix) with ESMTPA id 4C3FC13231C8; Mon, 18 Feb 2013 08:12:06 -0400 (AST) Mime-Version: 1.0 (Mac OS X Mail 6.2 \(1499\)) Subject: Re: 9-STABLE -> NFS -> NetAPP: From: Marc Fournier In-Reply-To: <465448349.3084923.1361113640094.JavaMail.root@erie.cs.uoguelph.ca> Date: Mon, 18 Feb 2013 04:12:04 -0800 Message-Id: <5FE9EE8D-15AE-46D5-8260-C909399C1235@hub.org> References: <465448349.3084923.1361113640094.JavaMail.root@erie.cs.uoguelph.ca> To: Rick Macklem X-Mailer: Apple Mail (2.1499) Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.14 Cc: Konstantin Belousov , freebsd-stable@freebsd.org, John Baldwin X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 18 Feb 2013 12:12:15 -0000 2days, 6hrs since reboot with new kernel, server shows unreachable: # ssh mercury ssh_exchange_identification: Connection closed by remote host although runtime shows it is up: mercury up 2+06:17, 0 users, load 0.63, 0.69, = 0.70 Remote console shows: I could press return, so keyboard was still responsive, and got a new = login prompt, but after typing login id, it appears to just hang =85 Remotely power cycled server. This is new behaviour for that server since applying patch =85 will see = if it happens again ... On 2013-02-17, at 7:07 AM, Rick Macklem wrote: > Marc Fournier wrote: >> On 2013-02-15, at 7:21 AM, Rick Macklem wrote: >>=20 >>>>=20 >>> Righto. Thanks jhb and kib for looking at this. >>>=20 >>> Btw John, PBDRY still gets set for sleeps in the sys/rpc code. >>> However, >>> as far as I can tell, it just sets TDF_SBDRY when it is already set >>> and seems harmless. (Since this code is supposed to be generic and >>> not >>> specific to NFS, maybe it should stay that way?) >>>=20 >>> Also, since PBDRY on the sleeps sets TDF_SBDRY, I think the above >>> patch >>> is ok for stable/9 without your recent head patch. >>>=20 >>> Maybe Marc can test the above patch? >>=20 >> 'k, not sure what you want me to 'test', but so far, patch has been >> applied / live for ~21hrs, and no processes in state T =85 >>=20 > Yes, I meant run it like you normally do and see if the hang occurs > with the patch (or other problems crop up). I suspect you have some > idea of how long it needs to run without a hang before you are = convinced > the problem is fixed. >=20 > I can't do commits until April, so there is no rush from my point of > view. (I suspect jhb@ will commit it at some point, if/when it appears > to fix the problem and seems correct.) >=20 > Thanks for testing it, rick >=20 >>=20 >>=20 >> _______________________________________________ >> freebsd-stable@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-stable >> To unsubscribe, send any mail to >> "freebsd-stable-unsubscribe@freebsd.org"