Public bug reported:

Using kernel 4.4.0, the system doesn't appear to detect the AMD Radeon
RX 480 graphics card and reverts to VESA mode.

Upgrading to kernel 4.8.0-32 through xenial-updates does not fix the
problem, instead the system hangs after a few seconds of showing the
login screen in VESA mode.

Mainline kernels 4.9.0-040900, 4.10.0-041000rc3 and 4.10.0-041000rc4
work as expected.

** Affects: linux-meta (Ubuntu)
     Importance: Undecided
         Status: New

** Attachment added: "dmesg.log"
   https://bugs.launchpad.net/bugs/1657072/+attachment/4805307/+files/dmesg.log

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https://bugs.launchpad.net/bugs/1657072

Title:
  AMD Radeon RX 480 support

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