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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 1580960

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/1580960

Title:
  Ubuntu-4.6.0-5.6 configuration has CONFIG_GOLDFISH and
  CONFIG_GOLDFISH_BUS enabled, breaking serial support on normal systems

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  When CONFIG_GOLDFISH_BUS is set to "y", the goldfish_pdev_bus driver
  is compiled into the kernel and claims the serial UART, breaking
  serial communications with the following kernel message: "genirq:
  Flags mismatch irq 4. 00000000 (serial) vs. 00000080
  (goldfish_pdev_bus)" repeated several times on boot.

  I checked the configs for 4.4 in Yakkety and Xenial and 4.5 in
  mainline and found that CONFIG_GOLDFISH was set to "n" there,
  completely disabling all the goldfish drivers.  Since this is a driver
  for the Android emulator, I'm not even sure it is appropriate to be
  enabled at all for desktop systems, but the goldfish_pdev_bus driver
  breaking serial definitely shouldn't happen.

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