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[schmod <1512848@xxxxxxxxxxxxxxxxxx>]

** Bug watch added: Debian Bug tracker #803087
   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=803087

** Also affects: linux (Debian) via
   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=803087
   Importance: Unknown
       Status: Unknown

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https://bugs.launchpad.net/bugs/1512848

Title:
  Radeon VCE Init Error

Status in linux package in Ubuntu:
  Incomplete
Status in linux package in Debian:
  Unknown

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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