Hi Joerg,
Thanks for looking into this. We confirm that this workaround avoids
the iommu log spam and that amdgpu appears to be working fine with it.
Daniel
On Wed, Mar 22, 2017 at 5:22 AM, j...@8bytes.org wrote:
> On Tue, Mar 21, 2017 at 04:30:55PM +, Deucher, Alexander wrote:
>> > I am p
On Tue, Mar 21, 2017 at 04:30:55PM +, Deucher, Alexander wrote:
> > I am preparing a debug-patch that disables ATS for these GPUs so someone
> > with such a chip can test it.
>
> Thanks Joerg.
Here is a debug patch, using the hard hammer of disabling the use of ATS
completly in the AMD IOMMU
ists.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 04:17:40PM +, Deucher, Alexander wrote:
> > > -Original Message--
x Deucher; Daniel Drake; Chris Chiu; amd-...@lists.freedesktop.org;
> > Nath, Arindam; iommu@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 T
.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 +, Deucher, Alexander wrote:
> > It seems to only affect Stoney systems, but not oth
thikulpanit, 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 +, Deucher, Alexander wrote:
>> It seems to only affect Stoney systems, but not others (Carrizo,
On Tue, Mar 21, 2017 at 04:01:53PM +, 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
on.org; Suthikulpanit, Suravee; Linux Upstreaming Team
> Subject: Re: amd-iommu: can't boot with amdgpu, AMD-Vi: Completion-Wait
> loop timed out
>
> On Fri, Mar 17, 2017 at 11:53:09AM -0400, Alex Deucher wrote:
> > On Fri, Mar 17, 2017 at 8:15 AM, Daniel Drake
> wrote:
> &
On Fri, Mar 17, 2017 at 11:53:09AM -0400, Alex Deucher wrote:
> On Fri, Mar 17, 2017 at 8:15 AM, Daniel Drake wrote:
> > Hi,
> >
> > On Mon, Mar 13, 2017 at 2:01 PM, Deucher, Alexander
> > wrote:
> >> > We are unable to boot Acer Aspire E5-553G (AMD FX-9800P RADEON R7) nor
> >> > Acer Aspire E5-5
On Fri, Mar 17, 2017 at 8:15 AM, Daniel Drake wrote:
> Hi,
>
> On Mon, Mar 13, 2017 at 2:01 PM, Deucher, Alexander
> wrote:
>> > We are unable to boot Acer Aspire E5-553G (AMD FX-9800P RADEON R7) nor
>> > Acer Aspire E5-523 with standard configurations because during boot
>> > the screen is flood
Hi,
On Mon, Mar 13, 2017 at 2:01 PM, Deucher, Alexander
wrote:
> > We are unable to boot Acer Aspire E5-553G (AMD FX-9800P RADEON R7) nor
> > Acer Aspire E5-523 with standard configurations because during boot
> > the screen is flooded with the following error message over and over:
> >
> > AMD
esktop.org
>Subject: RE: amd-iommu: can't boot with amdgpu, AMD-Vi: Completion-Wait
>loop timed out
>
>> -Original Message-
>> From: amd-gfx [mailto:amd-gfx-boun...@lists.freedesktop.org] On Behalf
>> Of Daniel Drake
>> Sent: Monday, March 13, 2017 3
Hi,
We are unable to boot Acer Aspire E5-553G (AMD FX-9800P RADEON R7) nor
Acer Aspire E5-523 with standard configurations because during boot
the screen is flooded with the following error message over and over:
AMD-Vi: Completion-Wait loop timed out
We have left the system for quite a while
desktop.org
> Subject: amd-iommu: can't boot with amdgpu, AMD-Vi: Completion-Wait
> loop timed out
>
> Hi,
>
> We are unable to boot Acer Aspire E5-553G (AMD FX-9800P RADEON R7) nor
> Acer Aspire E5-523 with standard configurations because during boot
> the screen is
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