Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757015AbZJFQ1c (ORCPT ); Tue, 6 Oct 2009 12:27:32 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756639AbZJFQ1b (ORCPT ); Tue, 6 Oct 2009 12:27:31 -0400 Received: from fanny.its.uu.se ([130.238.4.241]:38706 "EHLO fanny.its.uu.se" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754964AbZJFQ1a (ORCPT ); Tue, 6 Oct 2009 12:27:30 -0400 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <19147.28614.505296.752363@pilspetsen.it.uu.se> Date: Tue, 6 Oct 2009 18:26:46 +0200 From: Mikael Pettersson To: Krzysztof Halasa Cc: , Subject: Re: sata_via: SError: { UnrecovData Proto TrStaTrns } In-Reply-To: References: X-Mailer: VM 7.17 under Emacs 20.7.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2554 Lines: 61 Krzysztof Halasa writes: > Hi, > > What could that be? > VIA VT6421A mini-PCI card and SATA SSD from Transcend. IXP425 (ARM) > little-endian CPU. 128 MB RAM - VT6421A can access only the first 64 MB > of system RAM, but there is bounce buffering (a la swiotlb) for the > rest. > > Sometimes it produces: > > ata1.00: exception Emask 0x12 SAct 0x0 SErr 0x1000500 action 0x6 > ata1.00: BMDMA stat 0x5 > ata1: SError: { UnrecovData Proto TrStaTrns } > ata1.00: cmd c8/00:20:b7:18:38/00:00:00:00:00/e0 tag 0 dma 16384 in > res 51/40:20:b7:18:38/00:00:00:00:00/e0 Emask 0x12 (ATA bus error) > ata1.00: status: { DRDY ERR } > ata1.00: error: { UNC } > ata1: hard resetting link > ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310) > ata1.00: configured for UDMA/100 > ata1: EH complete I got (in private) a request to help debug a similar issue a few months ago: > the other problem is vt6421a(SATA port contorller) on ixp425 > platform with 256MB ram. the driver in 2.6.28 is sata_via.c. > the controller has two SATA ports. > when i connect one harddisk to IXP425 mainboard, Reading & Writing > is all right. but when i connected two drives to the mainboard, > and transfer a big file(more than 200MB) from one harddisk to another one. > and the problem will happen. ... > ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen > ata2.00: cmd c8/00:00:3f:d6:02/00:00:00:00:00/e0 tag 0 dma 131072 in > res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x24 (host bus error) > ata2.00: status: { DRDY } > ata2: hard resetting link > ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 310) > ata2.00: configured for UDMA/133 > ata2: EH complete ... > ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen > ata1.00: cmd c8/00:20:c7:6a:03/00:00:00:00:00/e0 tag 0 dma 16384 in > res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x24 (host bus error) > ata1.00: status: { DRDY } > ata1: hard resetting link > ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310) > ata1.00: configured for UDMA/133 > ata1: EH complete I couldn't do much about it other than ask the person to take it to linux-ide (which I don't think he did), but it does make one wonder if there is some issue with the vt6421a when connected to an ixp4xx. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/