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
On 22/03/17 01:18 PM, Tom St Denis wrote:
I tried this out but still got a lockup during init. I tried getting a
dmesg log but it locked up before it outputted anything more (after the
init).
nvm. Even with iommu disabled it fails to boot. Stoney support dies
occasionally on staging-4.9
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
t, 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,
>>
; amd-gfx@lists.freedesktop.org;
Nath, Arindam; io...@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 +, Deucher, Alexander wrote:
It seems
ikulpanit, 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,
&
-
> 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-
> > &
iel Drake; Chris Chiu; amd-gfx@lists.freedesktop.org;
> > Nath, Arindam; io...@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,
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 <dr...@endlessm.com>
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
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
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
>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 3:50 PM
>>
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