Re: Can't boot new 4.4 kernel with IOMMU enabled

[Mark Hounschell <markh-n2QNKt385d+sTnJN9+BGXg@public.gmane.org>]

On 01/20/2016 01:26 PM, Joerg Roedel wrote:
> On Wed, Jan 20, 2016 at 01:19:52PM -0500, Mark Hounschell wrote:
>>
>> Would you like me to do anything more right now?
>
> Would be great if you find the time to bisect the issue.
>
> To speed thing up you can test commit b67ad2f and use it as the bad one
> if it shows the same problem.
>
> As good commit you can use the v4.3 tag, this will only bisect in the
> iommu related changes which went into v4.4-rc1.
>
> If commit b67ad2f works for you, then please bisect between v4.3 and
> v4.4.
>
>
> 	Joerg
>
>

Here ya go.

150952f96941cb13371770ce0cf47906647d8bba is the first bad commit
commit 150952f96941cb13371770ce0cf47906647d8bba
Author: Joerg Roedel <jroedel-l3A5Bk7waGM@public.gmane.org>
Date:   Tue Oct 20 17:33:35 2015 +0200

     iommu/amd: Do not iterate over alias-list in __[attach|detach]_device

     The alias list is handled aleady by iommu core code. No need
     anymore to handle it in this part of the AMD IOMMU code

     Signed-off-by: Joerg Roedel <jroedel-l3A5Bk7waGM@public.gmane.org>

:040000 040000 334ffdc0d7ff9389478d3ce6096eb81227d8eafc 
cb6fce5d7e94ce3e44a6a64092ba8eb32dd0978b M      drivers

Mark