>-----Original Message----- >From: 'joro at 8bytes.org' [mailto:joro at 8bytes.org] >Sent: Tuesday, March 21, 2017 9:41 PM >To: Deucher, Alexander >Cc: Alex Deucher; Daniel Drake; Chris Chiu; amd-gfx at lists.freedesktop.org; >Nath, Arindam; iommu at lists.linux-foundation.org; Suthikulpanit, Suravee; >Linux Upstreaming Team >Subject: Re: amd-iommu: can't boot with amdgpu, AMD-Vi: Completion-Wait >loop timed out > >On Tue, Mar 21, 2017 at 04:01:53PM +0000, Deucher, Alexander wrote: >> It seems to only affect Stoney systems, but not others (Carrizo, >> Bristol, etc.). Maybe we could just disable it on Stoney until we >> root cause it. > >Completion-wait loop timeouts indicate something is seriously wrong. How >can I detect whether I am running on a 'Stoney' system? > >Other question, a shot into the dark, does the GPU on these systems have >ATS? Probably yes, as they are likely HSA compatible. The GPU on Stoney supports ATS. Thanks, Arindam > > > Joerg
