Re: Gigabyte GA-MA69VM-S2 can't do 64bit DMA

[Tejun Heo <htejun@gmail.com>]

[-- Attachment #1: Type: text/plain, Size: 651 bytes --]

Holger Hasselmann wrote:
> Hello Tejun,
> 
> I want let you know, that the following laptop would need to be included
> in the list of the 32bit DMA boards.
> 
> First I have used the snapshot 2.6.31-git and was not able to boot until
> I reversed the patch 58a09b38cfcd700b796ea07ae3d2e0efbb28b561.
> 
> I have tried it with the snapshot 2.6.31-git2 and was not able to boot.
> 
> I have checked the latest bios (1.10c) for this laptop and it did not
> worked.
> 
> I will attache the dmidecoder output (don't know if this helps).

Can you please verify the attached patch fixes the problem?  This should
apply cleanly to 2.6.31.

Thanks.

-- 
tejun

[-- Attachment #2: amilo-pa-2510-32bit-only.patch --]
[-- Type: text/x-patch, Size: 709 bytes --]

diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index d4cd9c2..95ac661 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-Siemens 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;