From owner-freebsd-current@FreeBSD.ORG Sat Apr 20 14:52:30 2013 Return-Path: Delivered-To: freebsd-current@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 F3525268 for ; Sat, 20 Apr 2013 14:52:29 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-pa0-f45.google.com (mail-pa0-f45.google.com [209.85.220.45]) by mx1.freebsd.org (Postfix) with ESMTP id D262F1FC7 for ; Sat, 20 Apr 2013 14:52:29 +0000 (UTC) Received: by mail-pa0-f45.google.com with SMTP id kl13so2795542pab.32 for ; Sat, 20 Apr 2013 07:52:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:x-received:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; bh=HrUa5ay76TylXeCwvW72jHiNkdvtxiEsRIGrWkaMMu0=; b=Fz4DpJsNTxvK3hDDnjE9FYBJ/Gfhb7pZEbC6y+/UxStri+xJMJMFFsIxmjrGHHQh77 Z6bt0Pho/qfOmjxFmHCCM932UQubLJcuL8/nlY//WxF6vdpP9M6dnfd/3vYriu2LJsEm ioIfjXDv1uQ0bp838nDypdw5q0nvJZ3fooT4ZZEcAylIBhVqdcuApkdmOaGiQE7ZlhfJ EFWEZjIzNzCFPiRr5xBAdojxeBBfj6oYj3tQf2nuDq9zFA2ejbvTV4K+TkqMLCXNr7ea Wz6zdZZNV2j//XBUVUZxWc2MhDoP+MUsaIM8vpNv90mVBE5W66xQvBqrEkpsmZzlTe1J yJtw== MIME-Version: 1.0 X-Received: by 10.68.248.8 with SMTP id yi8mr2164134pbc.54.1366469549250; Sat, 20 Apr 2013 07:52:29 -0700 (PDT) Sender: adrian.chadd@gmail.com Received: by 10.70.27.99 with HTTP; Sat, 20 Apr 2013 07:52:29 -0700 (PDT) In-Reply-To: <1366447937.1475.35.camel@thor.walstatt.dyndns.org> References: <1366447937.1475.35.camel@thor.walstatt.dyndns.org> Date: Sat, 20 Apr 2013 07:52:29 -0700 X-Google-Sender-Auth: 2VNc2Gj08Da5lt6-2shmmVGBwDQ Message-ID: Subject: Re: CURRENT: extremely unresponsive disk I/O From: Adrian Chadd To: "O. Hartmann" Content-Type: text/plain; charset=ISO-8859-1 Cc: FreeBSD Current X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.14 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: Sat, 20 Apr 2013 14:52:30 -0000 Think you could trace down which kernel commit introduced the regression? It should be pretty easy if you know the window is only two weeks long. Thanks, Adrian On 20 April 2013 01:52, O. Hartmann wrote: > Since a couple of weeks now, FreeBSD 10.0-CURRENT is really unresponsive > when managing high disk I/O. > > This is most noticeable when starting the buildworld process, hwen clang > 3.3 starts to build the llvm backend libraries and doing some sort of > portmaster/portupgrade in parallel: even a "make rmconfig config" takes > aprox. a minute to show up. > > Is there a known issue at this moment? I can not see such a behaviour on > FreeBSD 9.1-STABLE (similar hardware). > > Oliver