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[Bug 1598068] Re: regression: amd-vi(amd_iommu) crash kernel


Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.7 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:

Once testing of the upstream kernel is complete, please mark this bug as

Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.7-rc5-yakkety/

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

** Tags added: kernel-da-key

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  regression: amd-vi(amd_iommu) crash kernel

Status in linux package in Ubuntu:

Bug description:
  works in kernel 3.9
  not working in current 4.4.0-28-generic 
  kernel options ivrs_ioapic[x]= workaround to fix ivrs table
  cause kernel Oops on boot
  if needed can provide more info (dunno how dmesg not saved)

  Description:	Ubuntu 16.04 LTS
  Release:	16.04
  package:        linux-image-4.4.0-28-generic

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