From owner-freebsd-questions@freebsd.org  Mon Oct 26 11:32:12 2015
Return-Path: <owner-freebsd-questions@freebsd.org>
Delivered-To: freebsd-questions@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 BB8B2A1948F
 for <freebsd-questions@mailman.ysv.freebsd.org>;
 Mon, 26 Oct 2015 11:32:12 +0000 (UTC)
 (envelope-from niklaas@kulturflatrate.net)
Received: from mail2.kulturflatrate.net (mail2.kulturflatrate.net
 [IPv6:2a01:4f8:121:52ad::3:1])
 by mx1.freebsd.org (Postfix) with ESMTP id 7A1B219DA;
 Mon, 26 Oct 2015 11:32:12 +0000 (UTC)
 (envelope-from niklaas@kulturflatrate.net)
Received: from [10.0.0.38] (mail.kulturflatrate.net
 [IPv6:2a01:488:66:1000:2ea3:77dd:0:1])
 (Authenticated sender: niklaas@kulturflatrate.net)
 by mail2.kulturflatrate.net (Postfix) with ESMTPSA id 4EF0AF638;
 Mon, 26 Oct 2015 12:32:10 +0100 (CET)
DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=kulturflatrate.net;
 s=default; t=1445859130;
 bh=WiVpfbjxzfYn2WmpRj6cYhMBSpXx6jRTz2nWLBnSpks=;
 h=Subject:To:References:From:Date:In-Reply-To;
 b=sna0taMNRzsc1cOO5inBt+RBwlV5PfgepR5NrSC3QzM7FcgtZnH9LW/LSkqRYWc3G
 BZ6ahUwjYAt0GBhN1iGXuZCIJJhIofb7WjGRAp66HWS3oN1A/w8LvNy7pZNwmUyk27
 SJpocMabmMLwUgiCGWE9rpTTIkL+HDRYReh+MXqw=
Subject: Re: cd /.zfs/snapshot hangs (tmux put to uninterruptible sleep)
To: Matthew Seaman <matthew@freebsd.org>, freebsd-questions@freebsd.org
References: <562CB2C2.6090402@kulturflatrate.net>
 <562CB8CF.7010504@FreeBSD.org> <562CC1DD.9060207@kulturflatrate.net>
 <562CC308.6060901@FreeBSD.org> <562CC547.8080308@kulturflatrate.net>
 <562CC7B6.5040404@FreeBSD.org> <562CC939.5060807@kulturflatrate.net>
 <562E0DDA.3020202@freebsd.org>
From: Niklaas Baudet von Gersdorff <niklaas@kulturflatrate.net>
Message-ID: <562E0FD7.5040401@kulturflatrate.net>
Date: Mon, 26 Oct 2015 12:34:47 +0100
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101
 Thunderbird/38.3.0
MIME-Version: 1.0
In-Reply-To: <562E0DDA.3020202@freebsd.org>
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 7bit
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.20
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-questions>, 
 <mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions/>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
 <mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 26 Oct 2015 11:32:12 -0000

On 26/10/15 12:26, Matthew Seaman wrote:
> Hmmm... I can't reproduce the problematic effect.  I set up a zfs with
> snapshots like so:

Thanks a lot for investigating the problem.

> ie.  a mounted path length of 88 characters is OK, but 89 or 100
> characters gets the 'name too long' error.  However, I can't detect any
> problems after that.  No processes stuck trying to do IO.  So I guess
> that whatever the problem was, it has been fixed in 10.2-RELEASE

It could be that the problem got fixed in 10.2-RELEASE since I am still
on 10.1-RELEASE. In the evening (CET) I'll upgrade the system and will
let you know whether I still encounter the error.

-- 
Niklaas