From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrei Martynov Subject: Re[2]: porting IDE patches to PATA driver Date: Fri, 3 Jul 2009 11:50:22 +0200 Message-ID: <149127909.20090703115022@web.de> References: <323951117.20090625100956@web.de> <20090625092324.2dd4de5a@lxorguk.ukuu.org.uk> <14164712.20090625103834@web.de> <20090625100542.525dba02@lxorguk.ukuu.org.uk> <951976828.20090625123021@web.de> <20090625122958.510c28ad@lxorguk.ukuu.org.uk> <96179821.20090626152440@web.de> <20090626144639.4bc822b8@lxorguk.ukuu.org.uk> <792909512.20090626164052@web.de> <20090626172143.3fe6a59c@lxorguk.ukuu.org.uk> <596875090.20090629140157@web.de> <20090629155349.1574e492@lxorguk.ukuu.org.uk> Reply-To: Andrei Martynov Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: Received: from fmmailgate02.web.de ([217.72.192.227]:38666 "EHLO fmmailgate02.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751678AbZGCJu0 (ORCPT ); Fri, 3 Jul 2009 05:50:26 -0400 In-Reply-To: <20090629155349.1574e492@lxorguk.ukuu.org.uk> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Alan Cox Cc: linux-ide@vger.kernel.org Monday, June 29, 2009, 4:53:49 PM, Alan Cox wrote: > The only other thing I can see is the way it hangs around waiting a bit > for the DMA to finish after the DMA completion event occurs - that might > be your problem if they goofed and reported DMA complete too early. Thank you very much for your advices. Reading from disk works fine now but writing attempt results in a series of similar error messages. What is the meaning of this error? Is there any documentation that may be useful to understand libata error messages? ~ # cp /hdd/c/Test/test.dat /hdd/d ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 ata1.00: BMDMA stat 0x6 ata1.00: cmd 35/00:98:40:6f:fe/00:01:20:00:00/e0 tag 0 dma 208896 out res 50/00:00:d7:70:fe/00:00:20:00:00/e0 Emask 0x20 (host bus error) ata1.00: status: { DRDY } jasper_set_piomode: devno = 0 jasper_tune_chipset: slave = 0 speed = 0x0c jasper_set_dmamode: devno = 0 jasper_tune_chipset: slave = 0 speed = 0x22 ata1.00: configured for MWDMA2 ata1: EH complete sd 0:0:0:0: [sda] 586070255 512-byte hardware sectors (300068 MB) sd 0:0:0:0: [sda] Write Protect is off sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00 sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 ata1.00: BMDMA stat 0x6 ata1.00: cmd 35/00:a0:b0:72:fe/00:01:20:00:00/e0 tag 0 dma 212992 out res 50/00:00:4f:74:fe/00:00:20:00:00/e0 Emask 0x20 (host bus error) ata1.00: status: { DRDY } jasper_set_piomode: devno = 0 jasper_tune_chipset: slave = 0 speed = 0x0c jasper_set_dmamode: devno = 0 jasper_tune_chipset: slave = 0 speed = 0x22 ata1.00: configured for MWDMA2 ata1: EH complete -- Best regards, Andrei mailto:andrei.martynov@web.de