Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757839AbYHDAlA (ORCPT ); Sun, 3 Aug 2008 20:41:00 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753142AbYHDAkv (ORCPT ); Sun, 3 Aug 2008 20:40:51 -0400 Received: from smtp.blackdown.de ([78.47.134.53]:44789 "EHLO smtp.blackdown.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751547AbYHDAku (ORCPT ); Sun, 3 Aug 2008 20:40:50 -0400 Message-ID: <4896500E.2040304@blackdown.de> Date: Mon, 04 Aug 2008 02:40:46 +0200 From: Juergen Kreileder Organization: Blackdown Java-Linux Team User-Agent: Thunderbird 2.0.0.16 (X11/20080724) MIME-Version: 1.0 To: Robert Hancock CC: linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org Subject: Re: SW-IOMMU / ata_piix errors with 2.6.27-rc1 References: <4896157A.2020907@shaw.ca> In-Reply-To: <4896157A.2020907@shaw.ca> X-Enigmail-Version: 0.95.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1339 Lines: 37 Robert Hancock wrote: > Juergen Kreileder wrote: >> Hi, >> >> I get lots of errors like this with 2.6.27-rc1 on my >> Macbook Pro (3rd generation), 2.6.26 seems to work fine: >> >> [ 907.524509] DMA: Out of SW-IOMMU space for 45056 bytes at device 0000:00:1f.2 >> [ 907.524783] ata3.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 >> [ 907.524796] ata3.00: cmd 35/00:50:08:91:5c/00:01:0f:00:00/e0 tag 0 dma 172032 out >> [ 907.524798] res 50/00:00:ff:90:5c/00:00:0f:00:00/ef Emask 0x40 (internal error) >> [ 907.524805] ata3.00: status: { DRDY } >> [ 907.646590] ata3.00: configured for UDMA/133 >> [ 907.646624] ata3: EH complete >> >> >> Any suggestions? > > You can try increasing the swiotlb size by booting with swiotlb=65536 > (for 128MB) or swiotlb=131072 (for 256MB), and see if that makes the > problem go away.. It's unclear why you'd be running out of SWIOTLB space > now, though, if 2.6.26 worked fine.. Still happening, although 256M make it a bit harder to trigger. Juergen -- Juergen Kreileder, Blackdown Java-Linux Team http://blog.blackdown.de/ -- 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/