On Thu, Nov 20, 2014 at 06:44:32PM +0100, Barto wrote: > I notice that my motherboard doesn't support "AHCI" mode, my motherboard > uses an ICH7 sata controler, ICH7 doesn't support AHCI if I check the > technical specifications of this controler, > > it seems that my bios treats SATA devices like IDE devices ( IDE > emulation mode ), for example I can read in the bios these lines "IDE 0 > channel master : "the name of Sata harddisk 1", "IDE 3 channel master : > "the name of Sata harddisk 2", > > perhaps the bug only occurs when the AHCI mode is not used ? Looks like it. I suspect you device only supports a single outstanding command without AHCI, can you confirm this by doing: for i in /sys/class/scsi_host/*; do cat $i/can_queue; done -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
