On Tue, Apr 05, 2016 at 03:15:10PM +0200, Clemens Ladisch wrote:
> Tomasz Golinski wrote:
> > On 05.04.2016 14:26, Clemens Ladisch wrote:
> >> Martin/Tomasz, could we get the amd_iommu_dump dmesg output for an
> >> earlier kernel?
> >
> > It's for 4.1.15.
> > ...
> > [ 0.486934] AMD-Vi: DEV_SPECIAL(IOAPIC[5]) devid: 00:14.0
> > [ 0.569054] AMD-Vi: Found IOMMU at 0000:00:00.2 cap 0x40
>
> All those "iommu: Adding device x to group y" messages from 4.4 are
> missing.
Yeah, these messages got added in v4.2.
Joerg
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