Bug 715207 - Spurious DMAR faults on Intel Wi-Fi network controller
Summary: Spurious DMAR faults on Intel Wi-Fi network controller
Keywords:
Status: CLOSED RAWHIDE
Alias: None
Product: Fedora
Classification: Fedora
Component: kernel
Version: rawhide
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: ---
Assignee: David Woodhouse
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2011-06-22 08:00 UTC by ojab
Modified: 2011-07-01 05:48 UTC (History)
6 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2011-07-01 05:48:37 UTC
Type: ---

Attachments (Terms of Use)
lspci -vvv output (17.95 KB, text/plain)
2011-06-22 08:00 UTC, ojab 		no flags Details
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Description ojab 2011-06-22 08:00:47 UTC 
Created attachment 505937 [details]
lspci -vvv output

Description of problem:
I have DMAR errors on Fedora rawhide with 3.0.rc3.git5.1.fc16 kernel on Lenovo L412 notebook:

[ 7235.667168] DRHD: handling fault status reg 2
[ 7235.667179] DMAR:[DMA Write] Request device [03:00.0] fault addr ffe68000 
[ 7235.667182] DMAR:[fault reason 05] PTE Write access is not set

$ lspci -vvv -s 03:00.0
03:00.0 Network controller: Intel Corporation Centrino Wireless-N 1000
	Subsystem: Intel Corporation Centrino Wireless-N 1000 BGN
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin A routed to IRQ 46
	Region 0: Memory at f0500000 (64-bit, non-prefetchable) [size=8K]
	Capabilities: <access denied>
	Kernel driver in use: iwlagn
	Kernel modules: iwlagn

`lspci -vvv` output in the attached file.
Comment 1 ojab 2011-07-01 05:48:37 UTC 
Cannot reproduce with 3.0-0.rc5.git0.1.fc16.x86_64.
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