我开始断断续续地收到这些消息（见下文）。几天前我收到了很多这样的消息，然后它们就停止了。昨晚它们又出现了，在下面最后一行之后停止了。
我的 /dev/sda 是三星 850 EVO 系列 120GB SSD，还在保修期内。它似乎仍能正常运行。我该如何测试此驱动器以证明存在故障（如果有的话）？
更多信息：Gentoo Linux AMD64 内核 4.0.5
以下留言：
Jul 21 03:52:05 myserver kernel: ata1.00: exception Emask 0x0 SAct 0x7fffffff SErr 0x0 action 0x0
Jul 21 03:52:05 myserver kernel: ata1.00: irq_stat 0x40000001
Jul 21 03:52:05 myserver kernel: ata1.00: failed command: READ FPDMA QUEUED
Jul 21 03:52:05 myserver kernel: ata1.00: cmd 60/08:00:88:61:06/00:00:01:00:00/40 tag 0 ncq 4096 in\x0a res 41/04:00:80:61:06/00:00:01:00:00/40 Emask 0x1 (devi
ce error)
Jul 21 03:52:05 myserver kernel: ata1.00: status: { DRDY ERR }
Jul 21 03:52:05 myserver kernel: ata1.00: error: { ABRT }
Jul 21 03:52:05 myserver kernel: ata1.00: failed command: READ FPDMA QUEUED
Jul 21 03:52:05 myserver kernel: ata1.00: cmd 60/08:08:90:61:06/00:00:01:00:00/40 tag 1 ncq 4096 in\x0a res 41/04:00:80:61:06/00:00:01:00:00/40 Emask 0x1 (devi
ce error)
Jul 21 03:52:05 myserver kernel: ata1.00: status: { DRDY ERR }
Jul 21 03:52:05 myserver kernel: ata1.00: error: { ABRT }
Jul 21 03:52:05 myserver kernel: ata1.00: failed command: READ FPDMA QUEUED
Jul 21 03:52:05 myserver kernel: ata1.00: cmd 60/08:10:98:61:06/00:00:01:00:00/40 tag 2 ncq 4096 in\x0a res 41/04:00:80:61:06/00:00:01:00:00/40 Emask 0x1 (devi
ce error)
[...]
Jul 21 03:52:05 myserver kernel: sd 0:0:0:0: [sda] tag#0 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=0x08
Jul 21 03:52:05 myserver kernel: sd 0:0:0:0: [sda] tag#0 Sense Key : 0xb [current] [descriptor]
Jul 21 03:52:05 myserver kernel: sd 0:0:0:0: [sda] tag#0 ASC=0x0 ASCQ=0x0
Jul 21 03:52:05 myserver kernel: sd 0:0:0:0: [sda] tag#0 CDB: opcode=0x28 28 00 01 06 61 88 00 00 08 00
Jul 21 03:52:05 myserver kernel: blk_update_request: I/O error, dev sda, sector 17195400
Jul 21 03:52:05 myserver kernel: sd 0:0:0:0: [sda] tag#1 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=0x08
Jul 21 03:52:05 myserver kernel: sd 0:0:0:0: [sda] tag#1 Sense Key : 0xb [current] [descriptor]
Jul 21 03:52:05 myserver kernel: sd 0:0:0:0: [sda] tag#1 ASC=0x0 ASCQ=0x0
Jul 21 03:52:05 myserver kernel: sd 0:0:0:0: [sda] tag#1 CDB: opcode=0x28 28 00 01 06 61 90 00 00 08 00
Jul 21 03:52:05 myserver kernel: blk_update_request: I/O error, dev sda, sector 17195408
[...]
Jul 21 03:52:05 myserver kernel: blk_update_request: I/O error, dev sda, sector 17195464
Jul 21 03:52:05 myserver kernel: sd 0:0:0:0: [sda] tag#9 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=0x08
Jul 21 03:52:05 myserver kernel: sd 0:0:0:0: [sda] tag#9 Sense Key : 0xb [current] [descriptor]
Jul 21 03:52:05 myserver kernel: sd 0:0:0:0: [sda] tag#9 ASC=0x0 ASCQ=0x0
Jul 21 03:52:05 myserver kernel: sd 0:0:0:0: [sda] tag#9 CDB: opcode=0x28 28 00 01 06 61 d0 00 00 08 00
Jul 21 03:52:05 myserver kernel: blk_update_request: I/O error, dev sda, sector 17195472
Jul 21 03:52:05 myserver kernel: ata1: EH complete