From owner-freebsd-stable Mon Apr 2 18:53:15 2001 Delivered-To: freebsd-stable@freebsd.org Received: from level3.dynacom.net (level3.dynacom.net [206.107.213.213]) by hub.freebsd.org (Postfix) with SMTP id D15D037B71D for ; Mon, 2 Apr 2001 18:53:11 -0700 (PDT) (envelope-from kstewart@urx.com) Received: (qmail 8807 invoked by uid 0); 3 Apr 2001 01:53:11 -0000 Received: from dsl1-160.dynacom.net (HELO urx.com) (206.159.132.160) by mail.urx.com with SMTP; 3 Apr 2001 01:53:11 -0000 Message-ID: <3AC92D06.7DA24901@urx.com> Date: Mon, 02 Apr 2001 18:53:10 -0700 From: Kent Stewart X-Mailer: Mozilla 4.76 [en] (Windows NT 5.0; U) X-Accept-Language: en,pdf MIME-Version: 1.0 To: Boris Staeblow Cc: freebsd-stable@freebsd.org Subject: Re: FUJITSU MPG3409AT didn't work reliable in 4.3-RC! References: <20010403023412.A54627@dva.in-berlin.de> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Boris Staeblow wrote: > > Hello, > > I can't get my system working stable _until_ I define > ATA_ENABLE_WC in my kernel-config! > > I get this message _many_ times when I write to my Fujitsu 40GB-Harddisk: > > /kernel: ata3: resetting devices .. done > /kernel: ad6: WRITE command timeout tag=0 serv=0 - resetting > > There are not only those annoying messages but also there are very long > access delays (5-10 secs!). During these delays the disk-access LED > stays red and there is absolutely no response from the > _entire_ disk I/O-system. > > Turning off WC by default may break the stability of > some harddrives! > > Anyone out there who can verify that with a FUJITSU "MPG3409AT E"? > > IMO this behavior should be clarified before 4.3-Release! Other than your drive doesn't appear to support it, do you have softupdates turned on? Write caching and softupdates are not compatible from what I followed on -hackers during the development. Kent > > Boris > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-stable" in the body of the message -- Kent Stewart Richland, WA mailto:kbstew99@hotmail.com http://kstewart.urx.com/kstewart/index.html http://daily.daemonnews.org/ SETI (Search for Extraterrestrial Intelligence) @ Home http://setiathome.ssl.berkeley.edu/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message