ad* read errors

[Warren]

since i updated the ports/src/kernel 2 days ago i have had the followings 
error splague me .. are these related or am i looking at hdd failure ?
========================
ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=1519103
ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=5266559
ad0: TIMEOUT - READ_DMA retrying (1 retry left) LBA=5266559
ad0: FAILURE - READ_DMA timed out
ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=15383527
ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=1484415
ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=25769279
ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=5126031
ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=25089095
ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=26332807
ad0: TIMEOUT - READ_DMA retrying (1 retry left) LBA=26332807
ad0: TIMEOUT - WRITE_DMA retrying (2 retries left) LBA=115046303
ad1: TIMEOUT - READ_DMA retrying (2 retries left) LBA=189786975

-- 
Yours Sincerely
Shinjii
http://www.shinji.nq.nu