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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 1512848

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/1512848

Title:
  Radeon VCE Init Error

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Since upgrading to Ubuntu 15.10, I have encountered graphics
  performance issues, and have occasionally experienced lockups during
  boot.

  dmesg | grep radeon
  [    2.103294] [drm] radeon kernel modesetting enabled.
  [    2.114677] radeon 0000:01:00.0: enabling device (0000 -> 0003)
  [    2.226348] radeon 0000:01:00.0: VRAM: 1024M 0x0000000000000000 - 0x000000003FFFFFFF (1024M used)
  [    2.226349] radeon 0000:01:00.0: GTT: 2048M 0x0000000040000000 - 0x00000000BFFFFFFF
  [    2.226494] [drm] radeon: 1024M of VRAM memory ready
  [    2.226506] [drm] radeon: 2048M of GTT memory ready.
  [    2.232296] [drm] radeon: dpm initialized
  [    2.234760] [drm] enabling PCIE gen 3 link speeds, disable with radeon.pcie_gen2=0
  [    3.456910] radeon 0000:01:00.0: WB enabled
  [    3.456912] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr 0x0000000040000c00 and cpu addr 0xffff88041663ac00
  [    3.456914] radeon 0000:01:00.0: fence driver on ring 1 use gpu addr 0x0000000040000c04 and cpu addr 0xffff88041663ac04
  [    3.456915] radeon 0000:01:00.0: fence driver on ring 2 use gpu addr 0x0000000040000c08 and cpu addr 0xffff88041663ac08
  [    3.456916] radeon 0000:01:00.0: fence driver on ring 3 use gpu addr 0x0000000040000c0c and cpu addr 0xffff88041663ac0c
  [    3.456918] radeon 0000:01:00.0: fence driver on ring 4 use gpu addr 0x0000000040000c10 and cpu addr 0xffff88041663ac10
  [    3.457696] radeon 0000:01:00.0: fence driver on ring 5 use gpu addr 0x0000000000075a18 and cpu addr 0xffffc90002035a18
  [    3.558371] radeon 0000:01:00.0: VCE init error (-110).
  [    3.558376] radeon 0000:01:00.0: radeon: MSI limited to 32-bit
  [    3.558397] radeon 0000:01:00.0: radeon: using MSI.
  [    3.558421] [drm] radeon: irq initialized.
  [    4.538452] radeon 0000:01:00.0: No connectors reported connected with modes
  [    4.539564] radeon 0000:01:00.0: fb1: radeondrmfb frame buffer device
  [    4.539598] [drm] Initialized radeon 2.43.0 20080528 for 0000:01:00.0 on minor 1
  [   11.629124] [drm] enabling PCIE gen 3 link speeds, disable with radeon.pcie_gen2=0
  [   12.627048] radeon 0000:01:00.0: WB enabled
  [   12.627050] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr 0x0000000040000c00 and cpu addr 0xffff88041663ac00
  [   12.627051] radeon 0000:01:00.0: fence driver on ring 1 use gpu addr 0x0000000040000c04 and cpu addr 0xffff88041663ac04
  [   12.627053] radeon 0000:01:00.0: fence driver on ring 2 use gpu addr 0x0000000040000c08 and cpu addr 0xffff88041663ac08
  [   12.627054] radeon 0000:01:00.0: fence driver on ring 3 use gpu addr 0x0000000040000c0c and cpu addr 0xffff88041663ac0c
  [   12.627055] radeon 0000:01:00.0: fence driver on ring 4 use gpu addr 0x0000000040000c10 and cpu addr 0xffff88041663ac10
  [   12.627838] radeon 0000:01:00.0: fence driver on ring 5 use gpu addr 0x0000000000075a18 and cpu addr 0xffffc90002035a18
  [   12.728529] radeon 0000:01:00.0: VCE init error (-110).

  
  xrandr --listproviders
  Providers: number : 3
  Provider 0: id: 0x6a cap: 0x9, Source Output, Sink Offload crtcs: 4 outputs: 5 associated providers: 2 name:Intel
  Provider 1: id: 0x41 cap: 0x6, Sink Output, Source Offload crtcs: 2 outputs: 0 associated providers: 2 name:radeon
  Provider 2: id: 0x41 cap: 0x6, Sink Output, Source Offload crtcs: 2 outputs: 0 associated providers: 2 name:radeon

  
  lspci -k 
  00:00.0 Host bridge: Intel Corporation 3rd Gen Core processor DRAM Controller (rev 09)
          Subsystem: Samsung Electronics Co Ltd Device c0e6
          Kernel driver in use: ivb_uncore
  00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor PCI Express Root Port (rev 09)
          Kernel driver in use: pcieport
  00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09)
          DeviceName:  Onboard IGD
          Subsystem: Samsung Electronics Co Ltd Device c0e6
          Kernel driver in use: i915
  01:00.0 Display controller: Advanced Micro Devices, Inc. [AMD/ATI] Mars [Radeon HD 8670A/8670M/8750M] (rev ff)
          Kernel driver in use: radeon

  
  Possible upstream Debian bug: 
  https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=803087

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