Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1524840

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

From Mark Hounschell <markh@compro.net>
Newsgroups linux.kernel
Subject Re: BUG at drivers/iommu/amd_iommu.c:1436!
Date 2016-11-17 23:10 +0100
Message-ID <sED2y-6D0-11@gated-at.bofh.it> (permalink)
References <sEAxH-4Sb-11@gated-at.bofh.it> <sECJc-6f6-21@gated-at.bofh.it>
Organization Compro Computer Svcs.

Show all headers | View raw


On 11/17/2016 04:41 PM, Joerg Roedel wrote:
> 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?
>

It's been a while since I've done that for ya. Kernel config options? 
Kernel cmd line you want?

Mark

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


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

csiph-web