three failed and two warning found in the System Log (/var/log/messages)

are these normal or should some action be taken?
bug was the first to raise awareness!

2013-04-05T12:15:26.748406+02:00 linux-xwnl kernel: [    1.750398] ata1: softreset failed (device not ready)
2013-04-05T12:15:26.748411+02:00 linux-xwnl kernel: [    1.751548] ata2: softreset failed (device not ready)
2013-04-05T12:15:26.749350+02:00 linux-xwnl kernel: [    7.962980] sp5100_tco: failed to find MMIO address, giving up.

2013-04-05T12:15:26.745648+02:00 linux-xwnl kernel: [    0.000000] ACPI BIOS Bug: Warning: Optional FADT field Pm2ControlBlock has zero address or length: 0x0000000000000000/0x1 (20121018/tbfadt-598)
2013-04-05T12:15:26.749340+02:00 linux-xwnl kernel: [    7.962667] ACPI Warning: 0x0000000000000b00-0x0000000000000b07 SystemIO conflicts with Region \SOR1 1 (20121018/utaddress-251)

Kernel: 3.8.5-1-desktop x86_64 (64 bit), A780GM-LE, AMD Phenom II X4 940