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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:

apport-collect 1399999

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1399999

Title:
  [PATCH] r8169 writes to memory not assigned to the device

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  The following applies to the 3.13 in trusty.

  When transferring data at >= around 100Mbps, the IOMMU logs errors such as:
  AMD-Vi: Event logged [IO_PAGE_FAULT device=01:00.0 domain=0x001c address=0x0000000000003000 flags=0x0050]

  I have locally cherry-picked 7a9810e7bd99: r8169 "Enable RX_MULTI_EN
  for RTL_GIGA_MAC_VER_40" to the Ubuntu-3.13.0-37.64 kernel and
  confirmed this fixes the issue for my card as well.  Please consider
  this for backporting to the 3.13 stable tree.

  The hardware is:
  % lspci -s 01:00 -vvvn
  01:00.0 0200: 10ec:8168 (rev 0c)
          Subsystem: 1462:7721
          Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
          Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
          Latency: 0, Cache Line Size: 64 bytes
          Interrupt: pin A routed to IRQ 96
          Region 0: I/O ports at e000 [size=256]
          Region 2: Memory at fea00000 (64-bit, non-prefetchable) [size=4K]
          Region 4: Memory at d0800000 (64-bit, prefetchable) [size=16K]
          Capabilities: <access denied>
          Kernel driver in use: r8169

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