From owner-freebsd-fs@FreeBSD.ORG Mon Apr 2 18:13:53 2012 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 78EDB10656F3 for ; Mon, 2 Apr 2012 18:13:53 +0000 (UTC) (envelope-from bsalinux@gmail.com) Received: from mail-qa0-f54.google.com (mail-qa0-f54.google.com [209.85.216.54]) by mx1.freebsd.org (Postfix) with ESMTP id 3782C8FC16 for ; Mon, 2 Apr 2012 18:13:53 +0000 (UTC) Received: by qao25 with SMTP id 25so2071788qao.13 for ; Mon, 02 Apr 2012 11:13:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=Do2Fz0CMNx+fHPKhruSu6V+o7LSsjvhVKYifM0l1ZRo=; b=q8hZ1G5XpdXXEa3ryVHgS0JDyF4pezkB1uo+r7i6EZgL69Z3U3ujR8GYcjIXYj/cZ9 fEVnZkp5s5oqGDEpZ4ZMh1wFKShh59PiP1pzmelBny2iyKwKPdtwprzbQNET1XusGpud KF2RCyM5AAFcQHMRKqaar1aQN02KYQaVEdDXuhwhAimabRS3jEjXH9Y/ENmoH7fl8/aE Lc4Ek6uGXc4fJrESXEoprIZLc3ZZVaCUyfy6jyc8dQBt52e2CkBiriWkgUCnRdN6sGbG pSMIwR5Vqmmh+VRQN5/RK0zrcwuHP/6Zbzc5pMckxFtjf7QuBOmDX8XbTKUNRmiEUi4Y iORg== MIME-Version: 1.0 Received: by 10.229.135.3 with SMTP id l3mr3744170qct.45.1333390432480; Mon, 02 Apr 2012 11:13:52 -0700 (PDT) Received: by 10.229.71.15 with HTTP; Mon, 2 Apr 2012 11:13:52 -0700 (PDT) Date: Mon, 2 Apr 2012 11:13:52 -0700 Message-ID: From: "bsalinux@gmail.com" To: freebsd-fs@freebsd.org Content-Type: text/plain; charset=ISO-8859-1 Subject: Swap on ZFS / swap_pager: indefinite wait buffer X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 02 Apr 2012 18:13:53 -0000 Hi, I have been running FreeBSD 9.0-RELEASE from a USB stick running ZFS. I have created swap file on zfs volume using the md driver. Swapinfo shows Device 1K-blocks Used Avail Capacity /dev/md0 4194304 0 4194304 0% The system has hung twice and all I can find in the log is Mar 22 03:17:30 server kernel: swap_pager: indefinite wait buffer: bufobj: 0, blkno: 927, size: 4096 Mar 23 09:00:26 server kernel: swap_pager: indefinite wait buffer: bufobj: 0, blkno: 55, size: 4096 Mar 23 22:01:26 server kernel: swap_pager: indefinite wait buffer: bufobj: 0, blkno: 49, size: 4096 Mar 24 04:00:38 server kernel: swap_pager: indefinite wait buffer: bufobj: 0, blkno: 60, size: 4096 As the swap is on zfs, I assume it is not failing. Do I need to move swap off of ZFS? Thanks