Re: 2.6.27-rc8-git8: oops in process hald-addon-dell-backlight (intel iommu related?)

[Rafael J. Wysocki]

On Wednesday, 8 of October 2008, Frederik Himpe wrote:
> On Wed, 08 Oct 2008 20:15:37 +0000, Frederik Himpe wrote:
> 
> > On my Dell Latitude E6400 system with Intel chipset and graphics, I get
> > this oops in my 2.6.27-rc8-git8 based kernel, which probably happens
> > when hald-addon-dell-backlight is started.
> > 
> > Complete dmesg and lspci info:
> > https://qa.mandriva.com/show_bug.cgi?id=44711
> 
> Booting with intel_iommu=off seems to fix this issue, and seems to make my 
> e1000e based network card stop from giving "transmit timed out" errors 
> after which it stopped working.

Is it necessary to boot 2.6.27 final on this box with intel_iommu=off, and if
so, is it still necessary in mainline?

Rafael



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