Bug 635678

Summary: DMAR:[DMA Read] Request device [0d:00.0] fault addr fffff000 reg 2
Product: [Fedora] Fedora Reporter: Jiri Moskovcak <jmoskovc>
Component: kernelAssignee: Kernel Maintainer List <kernel-maint>
Status: CLOSED DUPLICATE QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: low    
Version: 13CC: anton, aquini, dfediuck, dougsland, gansalmon, itamar, jonathan, kernel-maint, madhu.chinakonda
Target Milestone: ---   
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2010-09-20 15:25:55 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Jiri Moskovcak 2010-09-20 13:54:04 UTC 
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)
Comment 1 Chuck Ebbert 2010-09-20 15:25:55 UTC 

*** This bug has been marked as a duplicate of bug 605888 ***