Ideally, this would go into linux-2.6.21. Preserve the LBA bit in the DevSel/Head register for HDIO_DRIVE_TASK. Signed-off-by: Mark Lord <mlord@xxxxxxxxx> --- --- linux/drivers/ata/libata-scsi.c.orig 2007-03-21 13:35:02.000000000 -0400 +++ linux/drivers/ata/libata-scsi.c 2007-03-30 17:40:58.000000000 -0400 @@ -333,7 +333,7 @@ scsi_cmd[8] = args[3]; scsi_cmd[10] = args[4]; scsi_cmd[12] = args[5]; - scsi_cmd[13] = args[6] & 0x0f; + scsi_cmd[13] = args[6] & 0x4f; scsi_cmd[14] = args[0]; /* Good values for timeout and retries? Values below -- Mark Lord Real-Time Remedies Inc. mlord@xxxxxxxxx - 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