I've updated to the latest kernel via Vivid Proposed (linux-image- extra-3.19.0-22-generic 3.19.0-22.22) which per commit log should fix the error, but I still see it:
$ dmesg | grep ata [ 0.000000] BIOS-e820: [mem 0x00000000c8f9e000-0x00000000c8ffffff] ACPI data [ 0.000000] ACPI: SSDT 0x00000000C8FE6258 0003D2 (v01 SataRe SataTabl 00001000 INTL 20120711) [ 0.000000] Memory: 8056616K/8291736K available (8001K kernel code, 1232K rwdata, 3752K rodata, 1408K init, 1300K bss, 235120K reserved, 0K cma-reserved) [ 0.233271] ACPI : EC: GPE = 0x10, I/O: command/status = 0x934, data = 0x930 [ 0.233500] libata version 3.00 loaded. [ 0.573463] Write protecting the kernel read-only data: 12288k [ 0.613795] ata1: SATA max UDMA/133 abar m2048@0xf7d3a000 port 0xf7d3a100 irq 28 [ 0.613798] ata2: SATA max UDMA/133 abar m2048@0xf7d3a000 port 0xf7d3a180 irq 28 [ 0.613800] ata3: SATA max UDMA/133 abar m2048@0xf7d3a000 port 0xf7d3a200 irq 28 [ 0.613801] ata4: DUMMY [ 0.613802] ata5: DUMMY [ 0.932913] ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300) [ 0.933919] ata1.00: failed to get NCQ Send/Recv Log Emask 0x1 [ 0.933922] ata1.00: ATA-9: Samsung SSD 840 Series, DXT09B0Q, max UDMA/133 [ 0.933924] ata1.00: 976773168 sectors, multi 16: LBA48 NCQ (depth 31/32), AA [ 0.934365] ata1.00: failed to get NCQ Send/Recv Log Emask 0x1 [ 0.934369] ata1.00: configured for UDMA/133 [ 0.934578] ata1.00: Enabling discard_zeroes_data [ 0.934724] ata1.00: Enabling discard_zeroes_data [ 0.935481] ata1.00: Enabling discard_zeroes_data [ 1.252796] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 1.255611] ata2.00: ATAPI: HL-DT-ST DVD+/-RW GU90N, A100, max UDMA/100 [ 1.260480] ata2.00: configured for UDMA/100 [ 1.604669] ata3: SATA link down (SStatus 0 SControl 300) [ 1.630033] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null) [ 1.848143] systemd[1]: Starting Increase datagram queue length... [ 1.858239] systemd[1]: Started Increase datagram queue length. [ 3.471525] EXT4-fs (sda2): mounted filesystem with ordered data mode. Opts: (null) I'm on an old Samsung SSD840 (first series) (not EVO or PRO) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1338706 Title: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels >= 3.12 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1338706/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs