Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

On Tue, Aug 29, 2017 at 01:02:41PM -0700, Samuel Sieb wrote: > On 07/12/2017 07:56 PM, Bjorn Helgaas wrote: > >Applied with Alex's ack to pci/virtualization for v4.14, thanks! > > Is there any chance of getting this into an earlier kernel? This is a > pretty devastating bug for users! I'm

Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

On Tue, Aug 29, 2017 at 01:02:41PM -0700, Samuel Sieb wrote: > On 07/12/2017 07:56 PM, Bjorn Helgaas wrote: > >Applied with Alex's ack to pci/virtualization for v4.14, thanks! > > Is there any chance of getting this into an earlier kernel? This is a > pretty devastating bug for users! I'm

Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

On Tue, Aug 29, 2017 at 01:02:41PM -0700, Samuel Sieb wrote: > On 07/12/2017 07:56 PM, Bjorn Helgaas wrote: > >On Fri, Apr 07, 2017 at 04:32:18PM +0200, Joerg Roedel wrote: > >>From: Joerg Roedel > >> > >>ATS is broken on this hardware and causes IOMMU stalls and > >>system

Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

On Tue, Aug 29, 2017 at 01:02:41PM -0700, Samuel Sieb wrote: > On 07/12/2017 07:56 PM, Bjorn Helgaas wrote: > >On Fri, Apr 07, 2017 at 04:32:18PM +0200, Joerg Roedel wrote: > >>From: Joerg Roedel > >> > >>ATS is broken on this hardware and causes IOMMU stalls and > >>system failure. Disable ATS

Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

On 07/12/2017 07:56 PM, Bjorn Helgaas wrote: On Fri, Apr 07, 2017 at 04:32:18PM +0200, Joerg Roedel wrote: From: Joerg Roedel ATS is broken on this hardware and causes IOMMU stalls and system failure. Disable ATS on these devices to make them usable again with IOMMU enabled.

Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

On 07/12/2017 07:56 PM, Bjorn Helgaas wrote: On Fri, Apr 07, 2017 at 04:32:18PM +0200, Joerg Roedel wrote: From: Joerg Roedel ATS is broken on this hardware and causes IOMMU stalls and system failure. Disable ATS on these devices to make them usable again with IOMMU enabled. Note that the

Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

On Fri, Apr 07, 2017 at 04:32:18PM +0200, Joerg Roedel wrote: > From: Joerg Roedel > > ATS is broken on this hardware and causes IOMMU stalls and > system failure. Disable ATS on these devices to make them > usable again with IOMMU enabled. > > Note that the commit in the

Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

On Fri, Apr 07, 2017 at 04:32:18PM +0200, Joerg Roedel wrote: > From: Joerg Roedel > > ATS is broken on this hardware and causes IOMMU stalls and > system failure. Disable ATS on these devices to make them > usable again with IOMMU enabled. > > Note that the commit in the Fixes-tag is not

RE: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

; Subject: Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs > > Hi Bjorn, > > On Mon, Jul 10, 2017 at 11:53:58AM -0500, Bjorn Helgaas wrote: > > I'm still confused. Per Samuel > > (6dd9dbac-9b65-bc7c-bb08-413a05d09...@sieb.net): > > > > Samuel&g

RE: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

; Subject: Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs > > Hi Bjorn, > > On Mon, Jul 10, 2017 at 11:53:58AM -0500, Bjorn Helgaas wrote: > > I'm still confused. Per Samuel > > (6dd9dbac-9b65-bc7c-bb08-413a05d09...@sieb.net): > > > > Samuel&g

Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

Hi Bjorn, On Mon, Jul 10, 2017 at 11:53:58AM -0500, Bjorn Helgaas wrote: > I'm still confused. Per Samuel > (6dd9dbac-9b65-bc7c-bb08-413a05d09...@sieb.net): > > Samuel> The other patch seems to fix this issue without disabling ATS. > Samuel> Isn't that better? > > and Alex >

Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

Hi Bjorn, On Mon, Jul 10, 2017 at 11:53:58AM -0500, Bjorn Helgaas wrote: > I'm still confused. Per Samuel > (6dd9dbac-9b65-bc7c-bb08-413a05d09...@sieb.net): > > Samuel> The other patch seems to fix this issue without disabling ATS. > Samuel> Isn't that better? > > and Alex >

Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

On Fri, Jun 16, 2017 at 06:29:23PM +0200, Joerg Roedel wrote: > Hi Bjorn, > > On Thu, Jun 15, 2017 at 02:15:45PM -0500, Bjorn Helgaas wrote: > > It was marked "superseded" in patchwork and thus off my radar. I > > don't remember if I did that or why. I changed it back to "New" so I > > won't

Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

On Fri, Jun 16, 2017 at 06:29:23PM +0200, Joerg Roedel wrote: > Hi Bjorn, > > On Thu, Jun 15, 2017 at 02:15:45PM -0500, Bjorn Helgaas wrote: > > It was marked "superseded" in patchwork and thus off my radar. I > > don't remember if I did that or why. I changed it back to "New" so I > > won't

Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

Hi Bjorn, On Thu, Jun 15, 2017 at 02:15:45PM -0500, Bjorn Helgaas wrote: > It was marked "superseded" in patchwork and thus off my radar. I > don't remember if I did that or why. I changed it back to "New" so I > won't forget about it. Great! > You mention (May 24) the original bug report.

Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

Hi Bjorn, On Thu, Jun 15, 2017 at 02:15:45PM -0500, Bjorn Helgaas wrote: > It was marked "superseded" in patchwork and thus off my radar. I > don't remember if I did that or why. I changed it back to "New" so I > won't forget about it. Great! > You mention (May 24) the original bug report.

Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

On Thu, Jun 15, 2017 at 04:04:21PM +0200, Joerg Roedel wrote: > Hi Bjorn, > > On Fri, Apr 07, 2017 at 04:32:18PM +0200, Joerg Roedel wrote: > > From: Joerg Roedel > > > > ATS is broken on this hardware and causes IOMMU stalls and > > system failure. Disable ATS on these devices

Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

On Thu, Jun 15, 2017 at 04:04:21PM +0200, Joerg Roedel wrote: > Hi Bjorn, > > On Fri, Apr 07, 2017 at 04:32:18PM +0200, Joerg Roedel wrote: > > From: Joerg Roedel > > > > ATS is broken on this hardware and causes IOMMU stalls and > > system failure. Disable ATS on these devices to make them > >

RE: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs > > On 06/15/2017 07:04 AM, Joerg Roedel wrote: > > Hi Bjorn, > > > > On Fri, Apr 07, 2017 at 04:32:18PM +0200, Joerg Roedel wrote: > >> From: Joerg Roedel <jroe...@suse.de> > >> > &

RE: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs > > On 06/15/2017 07:04 AM, Joerg Roedel wrote: > > Hi Bjorn, > > > > On Fri, Apr 07, 2017 at 04:32:18PM +0200, Joerg Roedel wrote: > >> From: Joerg Roedel > >> > >> ATS is broken on th

Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

On Thu, Apr 20, 2017 at 02:11:42PM +0200, Joerg Roedel wrote: > On Sat, Apr 08, 2017 at 09:41:07AM +0200, Lukas Wunner wrote: > > On Fri, Apr 07, 2017 at 04:32:18PM +0200, Joerg Roedel wrote: > > > From: Joerg Roedel > > > > > > ATS is broken on this hardware and causes IOMMU

Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

On Thu, Apr 20, 2017 at 02:11:42PM +0200, Joerg Roedel wrote: > On Sat, Apr 08, 2017 at 09:41:07AM +0200, Lukas Wunner wrote: > > On Fri, Apr 07, 2017 at 04:32:18PM +0200, Joerg Roedel wrote: > > > From: Joerg Roedel > > > > > > ATS is broken on this hardware and causes IOMMU stalls and > > >

Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

On 06/15/2017 07:04 AM, Joerg Roedel wrote: Hi Bjorn, On Fri, Apr 07, 2017 at 04:32:18PM +0200, Joerg Roedel wrote: From: Joerg Roedel ATS is broken on this hardware and causes IOMMU stalls and system failure. Disable ATS on these devices to make them usable again with IOMMU

Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

On 06/15/2017 07:04 AM, Joerg Roedel wrote: Hi Bjorn, On Fri, Apr 07, 2017 at 04:32:18PM +0200, Joerg Roedel wrote: From: Joerg Roedel ATS is broken on this hardware and causes IOMMU stalls and system failure. Disable ATS on these devices to make them usable again with IOMMU enabled. Note

Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

Hi Bjorn, On Fri, Apr 07, 2017 at 04:32:18PM +0200, Joerg Roedel wrote: > From: Joerg Roedel > > ATS is broken on this hardware and causes IOMMU stalls and > system failure. Disable ATS on these devices to make them > usable again with IOMMU enabled. > > Note that the commit

Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

Hi Bjorn, On Fri, Apr 07, 2017 at 04:32:18PM +0200, Joerg Roedel wrote: > From: Joerg Roedel > > ATS is broken on this hardware and causes IOMMU stalls and > system failure. Disable ATS on these devices to make them > usable again with IOMMU enabled. > > Note that the commit in the Fixes-tag

RE: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

Sieb > Subject: Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs > > On Fri, 2017-05-26 at 11:57 +, Deucher, Alexander wrote: > > > > FWIW, the GPU driver does not actually use ATS at the moment so I > > don't think we should see any ATS transactions. >

RE: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

Sieb > Subject: Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs > > On Fri, 2017-05-26 at 11:57 +, Deucher, Alexander wrote: > > > > FWIW, the GPU driver does not actually use ATS at the moment so I > > don't think we should see any ATS transactions. >

Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

On Fri, 2017-05-26 at 11:57 +, Deucher, Alexander wrote: > > FWIW, the GPU driver does not actually use ATS at the moment so I > don't think we should see any ATS transactions. That's a confusing sentence. The "GPU driver", if you mean software running in the OS, wouldn't be expected to have

Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

On Fri, 2017-05-26 at 11:57 +, Deucher, Alexander wrote: > > FWIW, the GPU driver does not actually use ATS at the moment so I > don't think we should see any ATS transactions. That's a confusing sentence. The "GPU driver", if you mean software running in the OS, wouldn't be expected to have

RE: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

t; Sieb > Subject: Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs > > Hi Alexander, > > On Tue, May 23, 2017 at 07:54:12PM +, Deucher, Alexander wrote: > > I finally got an answer from the hw team and we validated ATS on > > stoney as well so in theor

RE: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

t; Sieb > Subject: Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs > > Hi Alexander, > > On Tue, May 23, 2017 at 07:54:12PM +, Deucher, Alexander wrote: > > I finally got an answer from the hw team and we validated ATS on > > stoney as well so in theor

Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

; Daniel Drake; Samuel Sieb Subject: Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs Hi Alexander, On Tue, May 23, 2017 at 07:54:12PM +, Deucher, Alexander wrote: I finally got an answer from the hw team and we validated ATS on stoney as well so in theory this patch shouldn’t

Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

; Daniel Drake; Samuel Sieb Subject: Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs Hi Alexander, On Tue, May 23, 2017 at 07:54:12PM +, Deucher, Alexander wrote: I finally got an answer from the hw team and we validated ATS on stoney as well so in theory this patch shouldn’t

RE: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

t; Sieb > Subject: Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs > > Hi Alexander, > > On Tue, May 23, 2017 at 07:54:12PM +, Deucher, Alexander wrote: > > I finally got an answer from the hw team and we validated ATS on > > stoney as well so in theor

RE: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

t; Sieb > Subject: Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs > > Hi Alexander, > > On Tue, May 23, 2017 at 07:54:12PM +, Deucher, Alexander wrote: > > I finally got an answer from the hw team and we validated ATS on > > stoney as well so in theor

Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

On Wed, 2017-05-24 at 10:44 +0200, Joerg Roedel wrote: > Hi Alexander, > > On Tue, May 23, 2017 at 07:54:12PM +, Deucher, Alexander wrote: > > > > I finally got an answer from the hw team and we validated ATS on > > stoney as well so in theory this patch shouldn’t actually be needed. > > I

Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

On Wed, 2017-05-24 at 10:44 +0200, Joerg Roedel wrote: > Hi Alexander, > > On Tue, May 23, 2017 at 07:54:12PM +, Deucher, Alexander wrote: > > > > I finally got an answer from the hw team and we validated ATS on > > stoney as well so in theory this patch shouldn’t actually be needed. > > I

Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

Hi Alexander, On Tue, May 23, 2017 at 07:54:12PM +, Deucher, Alexander wrote: > I finally got an answer from the hw team and we validated ATS on > stoney as well so in theory this patch shouldn’t actually be needed. > I think we may actually be papering over some other issue. The > following

Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

Hi Alexander, On Tue, May 23, 2017 at 07:54:12PM +, Deucher, Alexander wrote: > I finally got an answer from the hw team and we validated ATS on > stoney as well so in theory this patch shouldn’t actually be needed. > I think we may actually be papering over some other issue. The > following

RE: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

edel > Subject: Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs > > On Fri, 2017-04-07 at 16:46 +, Deucher, Alexander wrote: > > > > > > -Original Message- > > > From: Joerg Roedel [mailto:j...@8bytes.org] > > > Sent: Friday,

RE: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

edel > Subject: Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs > > On Fri, 2017-04-07 at 16:46 +, Deucher, Alexander wrote: > > > > > > -Original Message- > > > From: Joerg Roedel [mailto:j...@8bytes.org] > > > Sent: Friday,

RE: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

edel > Subject: Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs > > On Fri, 2017-04-07 at 16:46 +, Deucher, Alexander wrote: > > > > > > -Original Message- > > > From: Joerg Roedel [mailto:j...@8bytes.org] > > > Sent: Friday,

RE: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

edel > Subject: Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs > > On Fri, 2017-04-07 at 16:46 +, Deucher, Alexander wrote: > > > > > > -Original Message- > > > From: Joerg Roedel [mailto:j...@8bytes.org] > > > Sent: Friday,

Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

On Fri, 2017-04-07 at 16:46 +, Deucher, Alexander wrote: > > > > -Original Message- > > From: Joerg Roedel [mailto:j...@8bytes.org] > > Sent: Friday, April 07, 2017 10:32 AM > > To: Bjorn Helgaas > > Cc: linux-...@vger.kernel.org; linux-kernel@vger.kernel.org; Daniel Drake; > >

Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

On Fri, 2017-04-07 at 16:46 +, Deucher, Alexander wrote: > > > > -Original Message- > > From: Joerg Roedel [mailto:j...@8bytes.org] > > Sent: Friday, April 07, 2017 10:32 AM > > To: Bjorn Helgaas > > Cc: linux-...@vger.kernel.org; linux-kernel@vger.kernel.org; Daniel Drake; > >

Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

On Sat, Apr 08, 2017 at 09:41:07AM +0200, Lukas Wunner wrote: > On Fri, Apr 07, 2017 at 04:32:18PM +0200, Joerg Roedel wrote: > > From: Joerg Roedel > > > > ATS is broken on this hardware and causes IOMMU stalls and > > system failure. Disable ATS on these devices to make them >

Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

On Sat, Apr 08, 2017 at 09:41:07AM +0200, Lukas Wunner wrote: > On Fri, Apr 07, 2017 at 04:32:18PM +0200, Joerg Roedel wrote: > > From: Joerg Roedel > > > > ATS is broken on this hardware and causes IOMMU stalls and > > system failure. Disable ATS on these devices to make them > > usable again

Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

On Fri, Apr 07, 2017 at 04:32:18PM +0200, Joerg Roedel wrote: > From: Joerg Roedel > > ATS is broken on this hardware and causes IOMMU stalls and > system failure. Disable ATS on these devices to make them > usable again with IOMMU enabled. AMD Stoney Ridge is an x86 CPU + GPU

Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

On Fri, Apr 07, 2017 at 04:32:18PM +0200, Joerg Roedel wrote: > From: Joerg Roedel > > ATS is broken on this hardware and causes IOMMU stalls and > system failure. Disable ATS on these devices to make them > usable again with IOMMU enabled. AMD Stoney Ridge is an x86 CPU + GPU combo and this

RE: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

> -Original Message- > From: Joerg Roedel [mailto:j...@8bytes.org] > Sent: Friday, April 07, 2017 10:32 AM > To: Bjorn Helgaas > Cc: linux-...@vger.kernel.org; linux-kernel@vger.kernel.org; Daniel Drake; > Deucher, Alexander; Samuel Sieb; David Woodhouse; Joerg Roedel > Subject: [PATCH v2]

RE: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs

> -Original Message- > From: Joerg Roedel [mailto:j...@8bytes.org] > Sent: Friday, April 07, 2017 10:32 AM > To: Bjorn Helgaas > Cc: linux-...@vger.kernel.org; linux-kernel@vger.kernel.org; Daniel Drake; > Deucher, Alexander; Samuel Sieb; David Woodhouse; Joerg Roedel > Subject: [PATCH v2]