From owner-freebsd-stable@FreeBSD.ORG Tue Apr 15 09:44:17 2008 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 7C235106564A for ; Tue, 15 Apr 2008 09:44:17 +0000 (UTC) (envelope-from kometen@gmail.com) Received: from an-out-0708.google.com (an-out-0708.google.com [209.85.132.245]) by mx1.freebsd.org (Postfix) with ESMTP id 338078FC2D for ; Tue, 15 Apr 2008 09:44:16 +0000 (UTC) (envelope-from kometen@gmail.com) Received: by an-out-0708.google.com with SMTP id c14so556608anc.13 for ; Tue, 15 Apr 2008 02:44:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; bh=iTmAMzG7YEghtycfLvHe+8GSQ3YQEvUJEIrakB0H/dI=; b=gaLrXhakof5vhbsppGYFE6pNUu9dV7Fm9lUM961LT4oQYCcvuXM/Hdiuh9q6+GiGRbyMlma7iEaYgZn6hJ5PI4/qy9sirXM9J7Twd3+DqcjUCKhP9R8HTFohDXc4xy6HTajgQ9wfQu70mwHATQ2nqD7dB+e7zpiqSIFdT3lsqgA= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=AGepCiH4GgDc/zF7fTGElING4y8SW61xf0E8Y4AgoqUZGDDmRk5S4pPx5rGl3n44fE/EOTGMIi8wQSVcdgDfvoTRJc8ArQotTkNEVlKs84FMkJWMn4nD3/Pw4qc+bQknUugZuey0a3I7PahP5fJjK6Yh6Sow4oj+5y9u9/rL8sU= Received: by 10.100.240.17 with SMTP id n17mr14519355anh.49.1208252656377; Tue, 15 Apr 2008 02:44:16 -0700 (PDT) Received: by 10.100.228.15 with HTTP; Tue, 15 Apr 2008 02:44:16 -0700 (PDT) Message-ID: Date: Tue, 15 Apr 2008 11:44:16 +0200 From: "Claus Guttesen" To: jbsnyder In-Reply-To: <16491496.post@talk.nabble.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <16447331.post@talk.nabble.com> <16491496.post@talk.nabble.com> Cc: freebsd-stable@freebsd.org Subject: Re: ZFS & Bittorent -> Hang? X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 15 Apr 2008 09:44:17 -0000 > > http://wiki.freebsd.org/ZFSKnownProblems > > > > This looks like #1. > > > > Hmm.. I don't think there's a large amount of transfer between UFS & ZFS, > unless the client is using /tmp a lot, it should all be on ZFS. > > I noted #4 as well, and therefore tried disabling prefetch. I can't seem to > get it to hang now. I queued up a bunch of different torrents (full freebsd > 7 amd64 & i386, some other random things), and they all completed without > leading to me being locked out or any processes waiting on zfs. > > I'll try some testing this weekend to see if I can reproduce the lock-up > again by re-enabling prefetch. Perhaps we can confirm that issue? Should I > bother with trying to run CURRENT or should any testing I do be done with > STABLE. I don't see any indication that there might be experimental patches > for dealing with this or related issues. Were you able to reproduce the lock-up by re-enabling prefetch? -- regards Claus When lenity and cruelty play for a kingdom, the gentlest gamester is the soonest winner. Shakespeare