Comment 13 for bug 1338706

When I use dmesg I see the following lines:

allard@ubuntu-laptop-allard:~$ dmesg | grep ata1
[ 1.196018] ata1: SATA max UDMA/133 abar m2048@0xc2617000 port 0xc2617100 irq 42
[ 1.515247] ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
[ 1.515449] ata1.00: supports DRM functions and may not be fully accessible
[ 1.515545] ata1.00: failed to get NCQ Send/Recv Log Emask 0x1
[ 1.515547] ata1.00: ATA-9: Samsung SSD 840 EVO 120GB, EXT0BB6Q, max UDMA/133
[ 1.515549] ata1.00: 234441648 sectors, multi 1: LBA48 NCQ (depth 31/32), AA
[ 1.515782] ata1.00: supports DRM functions and may not be fully accessible
[ 1.515851] ata1.00: failed to get NCQ Send/Recv Log Emask 0x1
[ 1.515854] ata1.00: configured for UDMA/133

Can anyone tell me what "failed to get NCQ Send/Recv Log Emask 0x1" exactly means?