Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 28 Feb 2003 08:23:51 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 28 Feb 2003 08:23:51 -0500 Received: from [202.109.126.231] ([202.109.126.231]:10021 "HELO www.support-smartpc.com.cn") by vger.kernel.org with SMTP id ; Fri, 28 Feb 2003 08:23:49 -0500 Message-ID: <3E5F646C.46AB022A@mic.com.tw> Date: Fri, 28 Feb 2003 21:30:20 +0800 From: "rain.wang" X-Mailer: Mozilla 4.78 [en] (X11; U; Linux 2.4.2-2 i686) X-Accept-Language: zh, en, zh-TW, zh-CN MIME-Version: 1.0 To: Alan Cox CC: Linux Kernel Mailing List Subject: Re: system hang on HDIO_DRIVE_RESET! help! References: <3E5CEF17.4C014A4C@mic.com.tw> <1046288652.9837.18.camel@irongate.swansea.linux.org.uk> <3E5EEDF9.5906D73E@mic.com.tw> <1046439323.16779.16.camel@irongate.swansea.linux.org.uk> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 28 Feb 2003 13:26:56.0234 (UTC) FILETIME=[1073C4A0:01C2DF2D] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 760 Lines: 24 Alan Cox wrote: > On Fri, 2003-02-28 at 05:04, rain.wang wrote: > > > Does this still occur on 2.4.21pre. It should be fixed now > > > > I had tested 'hdparm -w /dev/hda' under 2.4.21-pre4, but problem sill exist, > > > > just same message as in 2.4.20. > > What controller are you using and I'll look into it a bit further Intel 82801AA host controller, and I found when I disabled DMA before doing drive reset, system wouldn't hang at most time. It seemed not tight related with host chip, does it? rain.w - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/