From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from wall.comdev.cc ([63.150.62.162] helo=cleanup.comdev.cc) by pentafluge.infradead.org with smtp (Exim 3.22 #1 (Red Hat Linux)) id 16ZDfy-0002ye-00 for ; Fri, 08 Feb 2002 16:15:03 +0000 Message-ID: <3C63FB44.5541D76D@comdev.cc> Date: Fri, 08 Feb 2002 08:22:28 -0800 From: Adam Wozniak MIME-Version: 1.0 To: acurtis@onz.com CC: linux-mtd@lists.infradead.org Subject: Re: Flash left in a write mode References: Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-mtd-admin@lists.infradead.org Errors-To: linux-mtd-admin@lists.infradead.org List-Help: List-Post: List-Subscribe: , List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: Allen Curtis wrote: > > I have observed a problem where the flash is left in a write mode even after > the file-system is unmounted. (Intel Strata flash, cmdset_0001.c) > > The problem is this: if the flash is written to and then the system is > immediately rebooted, the flash is left in a write state. (if you read it > you get status information not flash contents.) If you then try to boot off > of this device, it will fail. If you read the flash, with a "dd" command for > instance, then you can reboot successfully. > > I am surprised that this problem has not been reported. It should be an easy > fix. (something that I will handle in BIOS code until it is patched.) Yeah, I've seen that. I patched my reboot code to always throw the flash into read mode. --Adam -- Adam Wozniak (KG6GZR) COM DEV Wireless - Digital and Software Systems awozniak@comdev.cc 3450 Broad St. 107, San Luis Obispo, CA 93401 http://www.comdev.cc Voice: (805) 544-1089 Fax: (805) 544-2055