296635 – gentoo-sources-2.6.32 DRHD: handling fault status reg 3

Bug 296635 - gentoo-sources-2.6.32 DRHD: handling fault status reg 3

Summary: gentoo-sources-2.6.32 DRHD: handling fault status reg 3

Status:	RESOLVED UPSTREAM

Alias:	None

Product:	Gentoo Linux
Classification:	Unclassified
Component:	[OLD] Core system (show other bugs)
Hardware:	All Linux

Importance:	High major
Assignee:	Gentoo Kernel Bug Wranglers and Kernel Maintainers

URL:	https://bugzilla.redhat.com/show_bug....
Whiteboard:
Keywords:

Depends on:
Blocks:

Reported:	2009-12-12 17:10 UTC by Gene Seto
Modified:	2010-02-05 01:17 UTC (History)
CC List:	0 users

See Also:
Package list:
Runtime testing required:	---

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Description Gene Seto 2009-12-12 17:10:21 UTC

Running on a Lenovo x200s and after boot up the system is choppy and lots of faults are written to dmesg

Reproducible: Always

Steps to Reproduce:
1. Boot into 2.6.32
2. Watch dmesg
3. System will eventually hard lock

Actual Results:  
System feels choppy and eventually hard locks

Expected Results:  
No hard lock or choppiness

Created to follow https://bugzilla.redhat.com/show_bug.cgi?id=538163
This person also seems to see the same problems
http://forums.gentoo.org/viewtopic-p-6093862.html
Temporary fix is to add intel_iommu=igfx_off to boot

Comment 1 Mike Pagano gentoo-dev

2010-02-05 01:17:21 UTC

Thanks, we'll watch the upstream bug and take any actions as necessary.