From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: [PATCH #upstream] libata: Fujitsu AMILO Pa 2510 can't do 64bit DMA either Date: Fri, 18 Sep 2009 08:43:54 +0900 Message-ID: <4AB2C9BA.5040103@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Received: from hera.kernel.org ([140.211.167.34]:48902 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751745AbZIQXnt (ORCPT ); Thu, 17 Sep 2009 19:43:49 -0400 Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Jeff Garzik , IDE/ATA development list , hhasselm@web.de This is the third SB600 system which can't do 64bit DMA. Add it to blacklist. Signed-off-by: Tejun Heo Reported-by: Holger Hasselmann Cc: Shane Huang --- This is bad because we can't backport this to -stable and broken 64bit DMA makes these systems unusable for kernels released without the following blacklisting. I think we should disable 64bit DMA for SB600s in -stable. Any objections? Shane? drivers/ata/ahci.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index d4cd9c2..173a150 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -2688,6 +2688,20 @@ static bool ahci_sb600_32bit_only(struct pci_dev *pdev) DMI_MATCH(DMI_BOARD_NAME, "GA-MA69VM-S2"), }, }, + /* + * This laptop can't do 64bit DMA either. The latest + * BIOS as of this writing (1.10c) doesn't fix the + * problem either. + * + * http://thread.gmane.org/gmane.linux.ide/42716 + */ + { + .ident = "Fujitsu AMILO Pa 2510", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), + DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pa 2510"), + }, + }, { } }; const struct dmi_system_id *match;