From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Garrett Subject: Host protected area on suspend/resume Date: Tue, 12 Jul 2005 12:30:44 +0100 Message-ID: <20050712113044.GA8744@srcf.ucam.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from cavan.codon.org.uk ([217.147.81.22]:46825 "EHLO cavan.codon.org.uk") by vger.kernel.org with ESMTP id S261337AbVGLLbI (ORCPT ); Tue, 12 Jul 2005 07:31:08 -0400 Content-Disposition: inline Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: linux-ide@vger.kernel.org, B.Zolnierkiewicz@elka.pw.edu.pl On boot, Linux will attempt to disable the host protected area on a disk. After a suspend/resume cycle, the BIOS may reenable it (seen on a Thinkpad T40 and R40). As a result, the kernel is now unable to access the HPA. Is there any issue with just adding a call to idedisk_check_hpa() in the IDE resume code? -- Matthew Garrett | mjg59@srcf.ucam.org