From owner-freebsd-questions@FreeBSD.ORG Sat Jun 29 06:37:43 2013 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id BD4393AE for ; Sat, 29 Jun 2013 06:37:43 +0000 (UTC) (envelope-from sam.gh1986@gmail.com) Received: from mail-lb0-x233.google.com (mail-lb0-x233.google.com [IPv6:2a00:1450:4010:c04::233]) by mx1.freebsd.org (Postfix) with ESMTP id 4BC951AED for ; Sat, 29 Jun 2013 06:37:43 +0000 (UTC) Received: by mail-lb0-f179.google.com with SMTP id w20so1396490lbh.38 for ; Fri, 28 Jun 2013 23:37:42 -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=Fhz49+74qDA3xhhyC5uuTmztTF0YKGZNF1Ty5UN/qIQ=; b=oQcj7x/r/P0EMGOlxuivMmwyzixXHvujrqTA/6LJWnLml4ezdjvfutH+OThIBvu0IK x15U81onqphOfdLN5TVzRuXeCbp3D/ibS6NgU4qD4poPCFtUxsTNugLLiX+bsYi8ARvj 8LZQn/3dfw8/Wd8KXvEocMAmp232rIn7kIVLBU0l9oYkR+P5GsG8KGf82Dll7K8inhuY sUVs/3iZDy6ZNaM9bSSh9ZomknTl/DuppVVIcuLYyfetPtosSFcFkZ/iOm07XwfZTf9h BqriTYp4Pi3zWAjfnpDz9jBzxxh1nNA++z5BYiUkZiNfsYKcJN09P41pr/tPU26a/tPh cgxg== MIME-Version: 1.0 X-Received: by 10.112.20.66 with SMTP id l2mr2418614lbe.48.1372487862217; Fri, 28 Jun 2013 23:37:42 -0700 (PDT) Received: by 10.112.67.135 with HTTP; Fri, 28 Jun 2013 23:37:42 -0700 (PDT) Date: Sat, 29 Jun 2013 11:07:42 +0430 Message-ID: Subject: already active DMA on this device FAILURE at startup From: s m To: freebsd-questions Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.14 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 29 Jun 2013 06:37:43 -0000 hello all, i have FreeBSD8.2 on my system. occasionally, i see some strange errors in startup and freebsd can not boot correctly. when i reset my system everything is ok and freebsd boot successfully. these are errors which appear in statrtup: ata1: setting up DMA failed ad3: WARNING - READ_DMA requeued due to channel reset LBA=25167888 ata1: FAILURE - already active DMA on this device these errors repeat more and more. i don't know what's wrong in my freebsd. i have used freebsd for several years and have not seen these errors before. last few days ago, i set a separate partition for etc. can separate etc partition cause this problem? how can i solve it to never see these errors again? (i need a separate partition for etc) thanks in advance, SAM