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Hello Guys,

I'm currently running an up-to-date Xenial system on amd64 (PC)

Whenever I launch the OS with stock kernel (4.4.X) all seems good.

Whenever I launch the OS with let's say a mainline-PPA kernel whose
version is above 3.6.0 inclusive (3.5.X are functional), or stock
yakkety kernel nowadays (4.8.X), kernel fails to setup my graphics card,
whose description is appended in a few text files I joined to this

In hope this helps,


P.S. : I very suspect this is a mainstream bug ; for any complimentary info. 
please don't hesitate to post and ask for more.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: xorg 1:7.7+13ubuntu3
ProcVersionSignature: Ubuntu 4.8.0-16.17-generic 4.8.0-rc7
Uname: Linux 4.8.0-16-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
CompizPlugins: No value set for 
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
CurrentDesktop: Unity
Date: Sun Sep 25 15:23:08 2016
DistUpgraded: 2016-04-23 10:48:41,985 DEBUG enabling apt cron job
DistroCodename: xenial
DistroVariant: ubuntu
EcryptfsInUse: Yes
ExtraDebuggingInterest: Yes, including running git bisection searches
 Advanced Micro Devices, Inc. [AMD/ATI] Thames [Radeon HD 7500M/7600M Series] 
[1002:6840] (prog-if 00 [VGA controller])
   Subsystem: Toshiba America Info Systems Radeon HD 7670M [1179:fb41]
InstallationDate: Installed on 2015-05-01 (512 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.8.0-16-generic 
root=UUID=fb0648bd-7019-4cb2-b5b3-382141e3716a ro rootflags=subvol=@ quiet 
splash nomdmonddf nomdmonisw crashkernel=384M-:128M crashkernel=384M-:128M 
crashkernel=384M-:128M crashkernel=384M-:128M vt.handoff=7
Renderer: Software
SourcePackage: xorg
Symptom: display
UpgradeStatus: Upgraded to xenial on 2016-04-23 (155 days ago) 3/25/2013
dmi.bios.vendor: Insyde Corp.
dmi.bios.version: 6.50
dmi.board.asset.tag: Type2 - Board Asset Tag Type2 - Board Product Name1
dmi.board.vendor: Type2 - Board Vendor Name1
dmi.board.version: Type2 - Board Version
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: OEM Chassis Manufacturer
dmi.chassis.version: OEM Chassis Version
dmi:bvnInsydeCorp.:bvr6.50:bd3/25/2013:svnTOSHIBA:pnSATELLITEL875-10G:pvrPSKBLE-003006FR:rvnType2-BoardVendorName1:rnType2-BoardProductName1:rvrType2-BoardVersion:cvnOEMChassisManufacturer:ct10:cvrOEMChassisVersion: SATELLITE L875-10G
dmi.product.version: PSKBLE-003006FR
dmi.sys.vendor: TOSHIBA
version.compiz: compiz 1:
version.ia32-libs: ia32-libs 1.0
version.libdrm2: libdrm2 2.4.67-1ubuntu0.16.04.2
version.libgl1-mesa-dri: libgl1-mesa-dri 11.2.0-1ubuntu2.2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 11.2.0-1ubuntu2.2
version.xserver-xorg-core: xserver-xorg-core 2:1.18.3-1ubuntu2.3
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-1build2
xserver.bootTime: Sun Sep 25 15:10:31 2016
xserver.configfile: default
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.18.3-1ubuntu2.3

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Incomplete

** Tags: amd64 apport-bug compiz-0.9 performance ubuntu xenial
AMD Radeon hardware features or firmware looked over by Linux 3.6.0+ kernel.
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