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Re: BUG at drivers/iommu/amd_iommu.c:1436!

From Joerg Roedel <joro@8bytes.org>
Newsgroups linux.kernel
Subject Re: BUG at drivers/iommu/amd_iommu.c:1436!
Date 2016-11-17 22:50 +0100
Message-ID <sECJc-6f6-21@gated-at.bofh.it> (permalink)
References <sEAxH-4Sb-11@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Hi Mark,

On Thu, Nov 17, 2016 at 02:13:59PM -0500, Mark Hounschell wrote:
> Kernel version is 4.8.0. No failure when the IOMMU is disabled. This
> is an out of tree GPL driver using
> pci_alloc_consistent/pci_free_consistent. The free causes this.

Can you please run the driver with dma-api debugging enabled? Does it
trigger any warnings?



	Joerg

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Thread

BUG at drivers/iommu/amd_iommu.c:1436! Mark Hounschell <markh@compro.net> - 2016-11-17 20:30 +0100
  Re: BUG at drivers/iommu/amd_iommu.c:1436! Joerg Roedel <joro@8bytes.org> - 2016-11-17 22:50 +0100
    Re: BUG at drivers/iommu/amd_iommu.c:1436! Mark Hounschell <markh@compro.net> - 2016-11-17 23:10 +0100
      Re: BUG at drivers/iommu/amd_iommu.c:1436! Joerg Roedel <joro@8bytes.org> - 2016-11-17 23:10 +0100
        Re: BUG at drivers/iommu/amd_iommu.c:1436! Joerg Roedel <joro@8bytes.org> - 2016-11-21 16:40 +0100
          Re: BUG at drivers/iommu/amd_iommu.c:1436! Mark Hounschell <markh@compro.net> - 2016-11-21 22:50 +0100
            Re: BUG at drivers/iommu/amd_iommu.c:1436! Joerg Roedel <joro@8bytes.org> - 2016-11-22 09:50 +0100
              Re: BUG at drivers/iommu/amd_iommu.c:1436! Mark Hounschell <markh@compro.net> - 2016-11-22 21:00 +0100

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