Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751082AbXANXoV (ORCPT ); Sun, 14 Jan 2007 18:44:21 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751723AbXANXoV (ORCPT ); Sun, 14 Jan 2007 18:44:21 -0500 Received: from shawidc-mo1.cg.shawcable.net ([24.71.223.10]:56943 "EHLO pd2mo1so.prod.shaw.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751082AbXANXoV (ORCPT ); Sun, 14 Jan 2007 18:44:21 -0500 Date: Sun, 14 Jan 2007 17:43:53 -0600 From: Robert Hancock Subject: Re: SATA exceptions with 2.6.20-rc5 In-reply-to: To: =?ISO-8859-1?Q?Bj=F6rn_Steinbrink?= , jeff@garzik.org, linux-kernel@vger.kernel.org, htejun@gmail.com Message-id: <45AAC039.1020808@shaw.ca> MIME-version: 1.0 Content-type: text/plain; charset=ISO-8859-1; format=flowed Content-transfer-encoding: 8BIT References: User-Agent: Thunderbird 1.5.0.9 (Windows/20061207) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1497 Lines: 37 Bj?rn Steinbrink wrote: > Hi, > > with 2.6.20-rc{2,4,5} (no other tested yet) I see SATA exceptions quite > often, with 2.6.19 there are no such exceptions. dmesg and lspci -v > output follows. In the meantime, I'll start bisecting. ... > ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen > ata1.00: cmd e7/00:00:00:00:00/00:00:00:00:00/a0 tag 0 cdb 0x0 data 0 in > res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) > ata1: soft resetting port > ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) > ata1.00: configured for UDMA/133 > ata1: EH complete > SCSI device sda: 160086528 512-byte hdwr sectors (81964 MB) > sda: Write Protect is off > sda: Mode Sense: 00 3a 00 00 > SCSI device sda: write cache: enabled, read cache: enabled, doesn't support DPO or FUA Looks like all of these errors are from a FLUSH CACHE command and the drive is indicating that it is no longer busy, so presumably done. That's not a DMA-mapped command, so it wouldn't go through the ADMA machinery and I wouldn't have expected this to be handled any differently from before. Curious.. -- Robert Hancock Saskatoon, SK, Canada To email, remove "nospam" from hancockr@nospamshaw.ca Home Page: http://www.roberthancock.com/ - 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/