On 04/18/2012 01:10 PM, Martin Mokrejs wrote:
Fix: I got my 3TB disk detected by this single command: # echo on> /sys/devices/pci0000:00/0000:00:1f.2/ata6/power/control # This is a Dell Vostro 3550 with A09 BIOS. Same happend with 3.4-rc3 kernel. I can do some more testing if you want me to. Best, Martin
Can you test this one-line patch from Lin Ming? Hopefully there is zero sysfs twiddling required with this one...
--- a/drivers/ata/libata-transport.c +++ b/drivers/ata/libata-transport.c @@ -294,6 +294,7 @@ int ata_tport_add(struct device *parent, device_enable_async_suspend(dev); pm_runtime_set_active(dev); pm_runtime_enable(dev); + pm_runtime_forbid(dev); transport_add_device(dev); transport_configure_device(dev); -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
