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* [Bug 209321] DMAR: [DMA Read] Request device [03:00.0] PASID ffffffff fault addr fffd3000 [fault reason 06] PTE Read access is not set
@ 2020-10-07 15:43 ` Bjorn Helgaas
  0 siblings, 0 replies; 4+ messages in thread
From: Bjorn Helgaas @ 2020-10-07 15:43 UTC (permalink / raw)
  To: linux-pci, iommu; +Cc: Len Brown, linux-kernel, Todd Brandt

https://bugzilla.kernel.org/show_bug.cgi?id=209321

Not much detail in the bugzilla yet, but apparently this started in
v5.8.0-rc1:

  DMAR: [DMA Read] Request device [03:00.0] PASID ffffffff fault addr fffd3000 [fault reason 06] PTE Read access is not set

Currently assigned to Driver/PCI, but not clear to me yet whether PCI
is the culprit or the victim.
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu

^ permalink raw reply	[flat|nested] 4+ messages in thread

* [Bug 209321] DMAR: [DMA Read] Request device [03:00.0] PASID ffffffff fault addr fffd3000 [fault reason 06] PTE Read access is not set
@ 2020-10-07 15:43 ` Bjorn Helgaas
  0 siblings, 0 replies; 4+ messages in thread
From: Bjorn Helgaas @ 2020-10-07 15:43 UTC (permalink / raw)
  To: linux-pci, iommu; +Cc: Todd Brandt, Len Brown, Joerg Roedel, linux-kernel

https://bugzilla.kernel.org/show_bug.cgi?id=209321

Not much detail in the bugzilla yet, but apparently this started in
v5.8.0-rc1:

  DMAR: [DMA Read] Request device [03:00.0] PASID ffffffff fault addr fffd3000 [fault reason 06] PTE Read access is not set

Currently assigned to Driver/PCI, but not clear to me yet whether PCI
is the culprit or the victim.

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [Bug 209321] DMAR: [DMA Read] Request device [03:00.0] PASID ffffffff fault addr fffd3000 [fault reason 06] PTE Read access is not set
  2020-10-07 15:43 ` Bjorn Helgaas
@ 2020-10-08  8:22   ` Joerg Roedel
  -1 siblings, 0 replies; 4+ messages in thread
From: Joerg Roedel @ 2020-10-08  8:22 UTC (permalink / raw)
  To: Bjorn Helgaas; +Cc: linux-pci, iommu, Len Brown, linux-kernel, Todd Brandt

Hi Bjorn,

On Wed, Oct 07, 2020 at 10:43:14AM -0500, Bjorn Helgaas wrote:
> https://bugzilla.kernel.org/show_bug.cgi?id=209321
> 
> Not much detail in the bugzilla yet, but apparently this started in
> v5.8.0-rc1:
> 
>   DMAR: [DMA Read] Request device [03:00.0] PASID ffffffff fault addr fffd3000 [fault reason 06] PTE Read access is not set
> 
> Currently assigned to Driver/PCI, but not clear to me yet whether PCI
> is the culprit or the victim.

Thanks for the heads-up, looks like Intel is already on it.

Regards,

	Joerg
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [Bug 209321] DMAR: [DMA Read] Request device [03:00.0] PASID ffffffff fault addr fffd3000 [fault reason 06] PTE Read access is not set
@ 2020-10-08  8:22   ` Joerg Roedel
  0 siblings, 0 replies; 4+ messages in thread
From: Joerg Roedel @ 2020-10-08  8:22 UTC (permalink / raw)
  To: Bjorn Helgaas; +Cc: linux-pci, iommu, Todd Brandt, Len Brown, linux-kernel

Hi Bjorn,

On Wed, Oct 07, 2020 at 10:43:14AM -0500, Bjorn Helgaas wrote:
> https://bugzilla.kernel.org/show_bug.cgi?id=209321
> 
> Not much detail in the bugzilla yet, but apparently this started in
> v5.8.0-rc1:
> 
>   DMAR: [DMA Read] Request device [03:00.0] PASID ffffffff fault addr fffd3000 [fault reason 06] PTE Read access is not set
> 
> Currently assigned to Driver/PCI, but not clear to me yet whether PCI
> is the culprit or the victim.

Thanks for the heads-up, looks like Intel is already on it.

Regards,

	Joerg

^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2020-10-08  8:23 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2020-10-07 15:43 [Bug 209321] DMAR: [DMA Read] Request device [03:00.0] PASID ffffffff fault addr fffd3000 [fault reason 06] PTE Read access is not set Bjorn Helgaas
2020-10-07 15:43 ` Bjorn Helgaas
2020-10-08  8:22 ` Joerg Roedel
2020-10-08  8:22   ` Joerg Roedel

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