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[Launchpad Bug Tracker <1493888@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package fglrx-installer -
2:15.201-0ubuntu2~15.10.2

---------------
fglrx-installer (2:15.201-0ubuntu2~15.10.2) wily-proposed; urgency=medium

  * debian/rules:
    - Blacklist the amdgpu driver, so that fglrx can be loaded
      on the systems where the GPU is supported by amdgpu (LP: #1510573).

fglrx-installer (2:15.201-0ubuntu2~15.10.1) wily-proposed;
urgency=medium

  * debian/control.in,
    debian/dkms.conf.in,
    dkms/patches/force-gcc-to-4.9-instead-of-5.x.patch:
    - Add a dependency on gcc-4.9, and force fglrx to use gcc-4.9.
      This prevents fglrx from dying on initialisation (LP: #1493888).
      Credit for finding out the actual problem and for suggesting a
      workaround goes to David Burrows.
      Note: this is only a workaround, and it will be dropped as soon
      as a proper fix from upstream is available.

 -- Alberto Milone <alberto.milone@xxxxxxxxxxxxx>  Wed, 28 Oct 2015
13:19:25 +0100

** Changed in: fglrx-installer (Ubuntu Wily)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1493888

Title:
  FGLRX incompatible with gcc 5

Status in fglrx:
  New
Status in Release Notes for Ubuntu:
  Fix Released
Status in fglrx-installer package in Ubuntu:
  Fix Released
Status in fglrx-installer-updates package in Ubuntu:
  Fix Released
Status in fglrx-installer source package in Wily:
  Fix Released
Status in fglrx-installer-updates source package in Wily:
  Fix Released

Bug description:
  SRU Request:

  [Impact]

  The fglrx driver is not compatible with gcc 5.x. This causes the
  kernel module to crash on initialisation. As a result, users will boot
  into a black screen, as X will fail (except on Intel+AMD hybrid
  systems, where intel is used).

  [Test Case]
  1. Either install (or upgrade to) Ubuntu 15.10 and fglrx
  2. Reboot
  3. Check the display, and the output of the "dmesg | grep fglrx" command (to see the actual crash)

  Expected results: the system should be able to start X correctly.

  Actual results:
  The kernel module fails and X doesn't start.

  [Regression Potential]
  Low. Forcing fglrx to use gcc 4.9 is only a temporary workaround, and will be replaced with the proper fix once AMD makes it available.


  __________________________________________________________________________

  With a R9 280 and FGLRX on ubuntu 15.10 the graphics lock up. I am
  able to SSH into the machine. I booted the older kernel
  (4.1.0-3-generic) and it works with FGLRX. After purging FGLRX and
  using xserver-xorg-video-radeon I am able to get the graphics working,
  but even it has issues with my display port (The DVI ports are working
  correctly).

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: fglrx (not installed)
  ProcVersionSignature: Ubuntu 4.2.0-7.7-generic 4.2.0
  Uname: Linux 4.2.0-7-generic x86_64
  ApportVersion: 2.18-0ubuntu9
  Architecture: amd64
  Date: Wed Sep  9 09:29:54 2015
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2011-01-07 (1705 days ago)
  InstallationMedia: Kubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
  ProcEnviron:
   LANGUAGE=
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: fglrx-installer
  UpgradeStatus: Upgraded to wily on 2015-08-18 (21 days ago)

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