This is a note to let you know that I've just added the patch titled ahci: disable MSI on SAMSUNG 0xa800 SSD to the 3.10-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: ahci-disable-msi-on-samsung-0xa800-ssd.patch and it can be found in the queue-3.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 2b21ef0aae65f22f5ba86b13c4588f6f0c2dbefb Mon Sep 17 00:00:00 2001 From: Tejun Heo <tj@xxxxxxxxxx> Date: Thu, 4 Dec 2014 13:13:28 -0500 Subject: ahci: disable MSI on SAMSUNG 0xa800 SSD From: Tejun Heo <tj@xxxxxxxxxx> commit 2b21ef0aae65f22f5ba86b13c4588f6f0c2dbefb upstream. Just like 0x1600 which got blacklisted by 66a7cbc303f4 ("ahci: disable MSI instead of NCQ on Samsung pci-e SSDs on macbooks"), 0xa800 chokes on NCQ commands if MSI is enabled. Disable MSI. Signed-off-by: Tejun Heo <tj@xxxxxxxxxx> Reported-by: Dominik Mierzejewski <dominik@xxxxxxxxxxxxxx> Link: https://bugzilla.kernel.org/show_bug.cgi?id=89171 Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/ata/ahci.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -494,6 +494,7 @@ static const struct pci_device_id ahci_p * enabled. https://bugzilla.kernel.org/show_bug.cgi?id=60731 */ { PCI_VDEVICE(SAMSUNG, 0x1600), board_ahci_nomsi }, + { PCI_VDEVICE(SAMSUNG, 0xa800), board_ahci_nomsi }, /* Enmotus */ { PCI_DEVICE(0x1c44, 0x8000), board_ahci }, Patches currently in stable-queue which might be from tj@xxxxxxxxxx are queue-3.10/ahci-add-deviceids-for-sunrise-point-lp-sata-controller.patch queue-3.10/ahci-disable-msi-on-samsung-0xa800-ssd.patch queue-3.10/sata_fsl-fix-error-handling-of-irq_of_parse_and_map.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html