ata3.00: exception Emask & ata3.00: failed command: READ DMA

upgrading working system from xubuntu 12.04.5 to 14.04.2
receiving odd errors

kern.log

...
Apr 21 21:13:38 jersey-xu-64 kernel: [ 2.120614] ata3.00: ATA-6: WDC WD1200JD-00GBB0, 02.05D02, max UDMA/100
Apr 21 21:13:38 jersey-xu-64 kernel: [ 2.120674] ata3.00: 234439535 sectors, multi 16: LBA48
Apr 21 21:13:38 jersey-xu-64 kernel: [ 2.120735] ata3.00: applying bridge limits
Apr 21 21:13:38 jersey-xu-64 kernel: [ 2.125182] ata3.00: LPM support broken, forcing max_power
Apr 21 21:13:38 jersey-xu-64 kernel: [ 2.126573] ata3.00: configured for UDMA/100
Apr 21 21:13:38 jersey-xu-64 kernel: [ 2.144141] scsi 2:0:0:0: Direct-Access ATA WDC WD1200JD-00G 02.0 PQ: 0 ANSI: 5
Apr 21 21:13:38 jersey-xu-64 kernel: [ 2.144484] sd 2:0:0:0: [sda] 234439535 512-byte logical blocks: (120 GB/111 GiB)
Apr 21 21:13:38 jersey-xu-64 kernel: [ 2.144615] sd 2:0:0:0: [sda] Write Protect is off
Apr 21 21:13:38 jersey-xu-64 kernel: [ 2.144676] sd 2:0:0:0: [sda] Mode Sense: 00 3a 00 00
Apr 21 21:13:38 jersey-xu-64 kernel: [ 2.144761] sd 2:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
Apr 21 21:13:38 jersey-xu-64 kernel: [ 2.145083] sd 2:0:0:0: Attached scsi generic sg1 type 0
Apr 21 21:13:38 jersey-xu-64 kernel: [ 2.157084] ata3.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
Apr 21 21:13:38 jersey-xu-64 kernel: [ 2.157145] ata3.00: irq_stat 0x08000000
Apr 21 21:13:38 jersey-xu-64 kernel: [ 2.157204] ata3.00: failed command: READ DMA
Apr 21 21:13:38 jersey-xu-64 kernel: [ 2.157267] ata3.00: cmd c8/00:01:00:00:00/00:00:00:00:00/e0 tag 1 dma 512 in
Apr 21 21:13:38 jersey-xu-64 kernel: [ 2.157267] res 51/04:03:00:00:00/00:00:00:00:00/a0 Emask 0x1 (device error)
Apr 21 21:13:38 jersey-xu-64 kernel: [ 2.157350] ata3.00: status: { DRDY ERR }
Apr 21 21:13:38 jersey-xu-64 kernel: [ 2.157408] ata3.00: error: { ABRT }
Apr 21 21:13:38 jersey-xu-64 kernel: [ 2.169736] ata3.00: LPM support broken, forcing max_power
Apr 21 21:13:38 jersey-xu-64 kernel: [ 2.175225] ata3.00: LPM support broken, forcing max_power
...

hard drive fully tested for badblocks, low tests
SATA cables testing ok
RAM fully tested
power supply good