From: Ondrej Zary <linux@xxxxxxxxxxxxxxxxxxxx> Prevent libata from starting/stopping non-ATA devices (like ATAPI floppy drives) as they don't seem to like it: sd 1:0:1:0: [sdb] Starting disk ata2.01: configured for PIO2 sd 1:0:1:0: [sdb] Result: hostbyte=0x00 driverbyte=0x08 sd 1:0:1:0: [sdb] Sense Key : 0x2 [current] sd 1:0:1:0: [sdb] ASC=0x3a ASCQ=0x0 Signed-off-by: Ondrej Zary <linux@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Tejun Heo <htejun@xxxxxxxxx> --- Trimmed message body and reformatted such that it's script friendly. drivers/ata/libata-scsi.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- linux-2.6.23-orig/drivers/ata/libata-scsi.c 2007-10-09 22:31:38.000000000 +0200 +++ linux-2.6.23-pentium/drivers/ata/libata-scsi.c 2008-01-05 15:50:16.000000000 +0100 @@ -802,7 +802,8 @@ blk_queue_max_phys_segments(sdev->request_queue, LIBATA_MAX_PRD); - sdev->manage_start_stop = 1; + if (dev->class == ATA_DEV_ATA) + sdev->manage_start_stop = 1; if (dev) ata_scsi_dev_config(sdev, 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