Description of problem:
This message fills /var/log/messages.

Version-Release number of selected component (if applicable):
kernel-2.6.34.6-54.fc13.x86_64

How reproducible:
100%

Steps to Reproduce:
1. enable Intel VT'd in BIOS
2. boot
  
Actual results:
The system either stop booting with this message scrolling on the screen and if it boots then /var/log/messages fill the whole harddrive.

Expected results:
booting system

Additional info:
messages filling the /var/log/messages:

Sep 20 15:09:13 dhcp-25-200 kernel: DMAR:[DMA Read] Request device reg 2
Sep 20 15:09:13 dhcp-25-200 kernel: DMAR:[DMA Read] Request device [0d:00.0] fault addr fffff000 reg 2
Sep 20 15:09:13 dhcp-25-200 kernel: DMAR:[DMA Read] Request device [0d:00.0] fault addr fffffreg 2
Sep 20 15:09:13 dhcp-25-200 kernel: DMAR:[DMA Read] Request device [0d:00.0] fault addr fffff000 
Sep 20 15:09:13 dhcp-25-200 kernel: DMreg 2
Sep 20 15:09:13 dhcp-25-200 kernel: DMAR:[DMA Read] Requece [0d:00.0] fault addr ffreg 2
Sep 20 15:09:13 dhcp-25-200 kernel: DMAR:[DMA Read] Request device [0d:00.0] fault addr fffff000 
Sep 20 15:09:13 dhcp-25-200 kernel: <reg 2
Sep 20 15:09:13 dhcp-25-200 kernel: DMAR:[DMA Read] Request device [0d:00.0] fault addr fffff0reg 2
Sep 20 15:09:13 dhcp-25-200 kernel: DMAR:[DMA Rereg 2
Sep 20 15:09:13 dhcp-25-200 kernel: DMAR:[DMA Reace [0d:00.0] fault addr ffreg 2
Sep 20 15:09:13 dhcp-25-200 kernel: DMAR:[DMA Read] Request device [0d:00.0] fault addr fffff000

the device 0d:00.0 is(according to lspci):

0d:00.0 SD Host controller: Ricoh Co Ltd Device e822 (rev 01)