Laba diena,

norejau pasiteirauti, kokios patirties turite su pigiais pci sata 
kontoleriais. Pameginau:
01:06.0 RAID bus controller: VIA Technologies, Inc. VT6421 IDE RAID 
Controller (rev 50) + 2x 1TB HDD

atrodytu viskas graziai veikia su sata_via, kol nepradedu 
rasyti/skaityti. Tada gaunasi:

[160474.375293] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
[160474.392277] ata2.00: configured for UDMA/33
[160474.392312] ata2: EH complete
[160474.408545] ata2.00: exception Emask 0x12 SAct 0x0 SErr 0x1000500 
action 0x6
[160474.408577] ata2.00: BMDMA stat 0x5
[160474.408599] ata2: SError: { UnrecovData Proto TrStaTrns }
[160474.408623] ata2.00: failed command: READ DMA EXT
[160474.408655] ata2.00: cmd 25/00:00:80:fd:4e/00:02:06:00:00/e0 tag 0 
dma 262144 in
[160474.408659]          res 51/84:df:80:fd:4e/84:00:06:00:00/e0 Emask 
0x12 (ATA bus error)
[160474.408719] ata2.00: status: { DRDY ERR }
[160474.408741] ata2.00: error: { ICRC ABRT }
[160474.408775] ata2: hard resetting link


Kiek googlinau, tai sprendimo lyg ir nera, nurasineja kalte sata_via 
draiveriui.

OS: Debian testing.