Sorry, I need to proofread more carefully. It's kernel 4.7rc6. The complete
line from the grub menu is:
Ubuntu, with Linux 4.7.0-0407004c6-generic

I've installed 4.4.13, and it, too, seems to be working normally.

On Thu, Jul 7, 2016 at 6:14 PM, Christopher M. Penalver <
<email address hidden>> wrote:

> Roger Merritt:
> >"successfully installed the mainline kernel 4.6-rc6"
>
> Did you test 4.7-rc6, or 4.6-rc6?
>
> >"Apparently the problem is not in the kernel."
>
> The test you did wasn't enough to conclude that.
>
> Despite this, could you please test 4.4.13 (this is the kernel that
> Xenial is based off of) and advise to the results?
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1584284
>
> Title:
>   Ubuntu 16.04 LiveCD does not boot on AMD A10 chip
>
> Status in xorg package in Ubuntu:
>   Incomplete
>
> Bug description:
>   I want to boot a Ubuntu LiveCD of 16.04 on a desktop box with an AMD
> A10-5800K AGP,  Gigabyte FA-42A75M-HD2 motherboard, 8 GB of RAM, and no
> graphics card -- the Radeon HD 7660D graphics are done by the CPU. When I
> try to boot I get an error message, "ERROR: no UMS support in radeon
> module." When I edit the boot command line to add the parameter 'nomodeset'
> I first get an error message, "No UMS support on radeon module," then the
> familiar aubergine background with the ubuntu logo and the five dots below
> it changing from white to red and back again. After twenty or thirty
> seconds the background goes to black, I get the error message "No UMS
> support in radeon module," and the ubuntu logo disappears but the five dots
> continue. After another twenty or thirty seconds of that the screen clears,
> at the top is a line: "ubuntu 16.04 ubuntu LTS tty1," below that the line
> "ubuntu login:" and after a second or less the screen goes black and I
> can't do anything except reboot. I've tried old Live CDs, from 10.10 to
> 15.10, and they all boot fine.
>   ---
>   .tmp.unity.support.test.0:
>
>   ApportVersion: 2.19.1-0ubuntu5
>   Architecture: amd64
>   CompizPlugins: No value set for
> `/apps/compiz-1/general/screen0/options/active_plugins'
>   CompositorRunning: compiz
>   CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
>   CompositorUnredirectFSW: true
>   DistUpgraded: Fresh install
>   DistroCodename: wily
>   DistroRelease: Ubuntu 15.10
>   DistroVariant: ubuntu
>   DkmsStatus: virtualbox, 5.0.14, 4.2.0-36-generic, x86_64: installed
>   ExtraDebuggingInterest: Yes
>   GraphicsCard:
>    Advanced Micro Devices, Inc. [AMD/ATI] Trinity [Radeon HD 7660D]
> [1002:9901] (prog-if 00 [VGA controller])
>      Subsystem: Advanced Micro Devices, Inc. [AMD/ATI] Trinity [Radeon HD
> 7660D] [1002:9901]
>   InstallationDate: Installed on 2016-06-07 (27 days ago)
>   InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64
> (20151021)
>   MachineType: Gigabyte Technology Co., Ltd. To be filled by O.E.M.
>   Package: xorg 1:7.7+7ubuntu4
>   PackageArchitecture: amd64
>   ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-36-generic
> root=UUID=376cfbdb-7508-4e73-9b25-421ca397ab8a ro quiet splash vt.handoff=7
>   ProcVersionSignature: Ubuntu 4.2.0-36.42-generic 4.2.8-ckt8
>   Tags:  wily ubuntu compiz-0.9
>   UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
>   Uname: Linux 4.2.0-36-generic x86_64
>   UpgradeStatus: No upgrade log present (probably fresh install)
>   UserGroups:
>
>   _MarkForUpload: True
>   dmi.bios.date: 03/18/2013
>   dmi.bios.vendor: American Megatrends Inc.
>   dmi.bios.version: F4
>   dmi.board.asset.tag: To be filled by O.E.M.
>   dmi.board.name: F2A75M-HD2
>   dmi.board.vendor: Gigabyte Technology Co., Ltd.
>   dmi.board.version: To be filled by O.E.M.
>   dmi.chassis.asset.tag: To Be Filled By O.E.M.
>   dmi.chassis.type: 3
>   dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
>   dmi.chassis.version: To Be Filled By O.E.M.
>   dmi.modalias:
> dmi:bvnAmericanMegatrendsInc.:bvrF4:bd03/18/2013:svnGigabyteTechnologyCo.,Ltd.:pnTobefilledbyO.E.M.:pvrTobefilledbyO.E.M.:rvnGigabyteTechnologyCo.,Ltd.:rnF2A75M-HD2:rvrTobefilledbyO.E.M.:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvrToBeFilledByO.E.M.:
>   dmi.product.name: To be filled by O.E.M.
>   dmi.product.version: To be filled by O.E.M.
>   dmi.sys.vendor: Gigabyte Technology Co., Ltd.
>   version.compiz: compiz 1:0.9.12.2+15.10.20151202-0ubuntu1
>   version.ia32-libs: ia32-libs N/A
>   version.libdrm2: libdrm2 2.4.64-1
>   version.libgl1-mesa-dri: libgl1-mesa-dri 11.0.2-1ubuntu4
>   version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
>   version.libgl1-mesa-glx: libgl1-mesa-glx 11.0.2-1ubuntu4
>   version.xserver-xorg-core: xserver-xorg-core 2:1.17.2-1ubuntu9.1
>   version.xserver-xorg-input-evdev: xserver-xorg-input-evdev
> 1:2.9.2-1ubuntu1
>   version.xserver-xorg-video-ati: xserver-xorg-video-ati
> 1:7.5.0+git20150819-0ubuntu1
>   version.xserver-xorg-video-intel: xserver-xorg-video-intel
> 2:2.99.917+git20150808-0ubuntu4
>   version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
> 1:1.0.11-1ubuntu3
>   xserver.bootTime: Tue Jul  5 00:55:16 2016
>   xserver.configfile: default
>   xserver.devices:
>    input        Power Button         KEYBOARD, id 6
>    input        Power Button         KEYBOARD, id 7
>    input        USB Optical Wheel Mouse MOUSE, id 8
>    input        Logitech USB Keyboard KEYBOARD, id 9
>    input        Logitech USB Keyboard KEYBOARD, id 10
>   xserver.errors:
>
>   xserver.logfile: /var/log/Xorg.0.log
>   xserver.version: 2:1.17.2-1ubuntu9.1
>   xserver.video_driver: radeon
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1584284/+subscriptions
>



-- 
Roger