[vfio-users] Asus P6T Deluxe unofficial BIOS
Alex Williamson
alex.l.williamson at gmail.com
Fri Sep 2 22:27:23 UTC 2016
On Fri, Sep 2, 2016 at 2:44 PM, Marco Stagge <spiritblackdiamont at gmail.com>
wrote:
>
> maybe aw have some more ideas? :)
>
So I see this in your dmeg:
[ 0.865352] ------------[ cut here ]------------
[ 0.865398] WARNING: CPU: 11 PID: 1 at drivers/iommu/intel-iommu.c:4747
init_dmars+0x275/0x48d()
[ 0.865459] Your BIOS is broken; DMA routed to ISOCH DMAR unit but no
TLB space.
BIOS vendor: American Megatrends Inc.; Ver: 2209 ; Product Version:
System Version
But that just means the BIOS screwed up the audio device in the DMAR and
the VT-d code will use passthrough for that device... ho hum, get a plugin
audio card if you want to assign it to something. What's the actual
problem? I don't see a "my BIOS is broken and therefore I can't do
_______________" statement here anywhere. It looks like VT-d was enabled
otherwise.
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