I have a problem with CentOS 6.3/Ubuntu 12.04 in Hyper-V 2 / 3.
Indeed, I have severals errors with DMA :
ata1.00 : status DRDY ... ata1.00 : failed command : WRITE DMA
In CentOS virtual machine, the LIC 3.4 is installed.
The storage associate with the vm is a LUN from SAN.
Thanks per advance,