From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Steffen D." Subject: CF-Card DMA problem Date: Tue, 04 Sep 2007 23:02:42 +0200 Message-ID: <46DDC7F2.8080502@saxnet.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from saxnet.de ([85.10.198.206]:57182 "EHLO coredumb.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753746AbXIDVOE (ORCPT ); Tue, 4 Sep 2007 17:14:04 -0400 Received: from localhost (localhost [127.0.0.1]) by coredumb.de (Postfix) with ESMTP id D9CB91C805C for ; Tue, 4 Sep 2007 23:02:56 +0200 (CEST) Received: from coredumb.de ([127.0.0.1]) by localhost (saxnet.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id pF053PDIe9FE for ; Tue, 4 Sep 2007 23:02:52 +0200 (CEST) Received: from [192.168.2.24] (p54B4CF6C.dip.t-dialin.net [84.180.207.108]) by coredumb.de (Postfix) with ESMTP id C15B11C805B for ; Tue, 4 Sep 2007 23:02:52 +0200 (CEST) Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: linux-ide@vger.kernel.org Hello, im building a kernel for my db800 development board running with linux. In short "words", here is the problem: -----------------------------------copy------------------------------------------------- ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx AMD5536: IDE controller at PCI slot 0000:00:0f.2 AMD5536: chipset revision 1 AMD5536: not 100% native mode: will probe irqs later AMD5536: 0000:00:0f.2 (rev 01) UDMA100 controller ide0: BM-DMA at 0x1ca0-0x1ca7, BIOS settings: hda:pio, hdb:pio hda: SanDisk SDCFH-2048, CFA DISK drive ide0 at 0x1f0-0x1f7,0x3f6 on irq 14 hda: max request size: 128KiB hda: 4001760 sectors (2048 MB) w/1KiB Cache, CHS=3970/16/63, DMA hda:<4>hda: dma_timer_expiry: dma status == 0x21 hda: DMA timeout error hda: dma timeout error: status=0x58 { DriveReady SeekComplete DataRequest } ide: failed opcode was: unknown hda: DMA disabled ide0: reset: success hda1 -----------------------------------/copy------------------------------------------------- Here are some more information... Full bootlog - http://nopaste.info/5498e6335b.html Kernel .config - http://rootbox.de/kernelconf Im very that it is a real sandisk, hdparm says the DMA is disabled. The card supports MWDMA modes 0 to 2... Does anybody have i idea what todo here? Any tipps are very welcome :) Regards, Steffen