Thanks for this update.
I can confirm that with the libata.dma=1 setting, the boot is stable for
my ASRock 990FX Extreme4, and has no more problems.
At first glance, libata.dma=1 would appear to be forcing DMA to ON,
rather than OFF as suggested above, but that's not so important to me
in compar
This issue affects my ASRock 990FX Extreme4 motherboard too, with
current latest release bios v2.00.
Windows is fine, using the Win7 SP1 64bit install CD.
But Linux is problematic to say the least.
I have tried:
Kubuntu 12.04.1 amd64 DVD and Alternate
Xubuntu 12.10 amd64 Desktop
LinuxMint 14.1 C