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[Bug 1503731] Re: 8086:0f31 Ubuntu 15.04-15.10 freezes totally

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** Description changed:

- Behavior:
- 
  Ever since I first installed 15.04 back in April/May on my new DELL
- Inspiron 3646:
- 
- Handle 0x0001, DMI type 1, 27 bytes
- System Information
-         Manufacturer: Dell Inc.
-         Product Name: Inspiron 3646
- 
- I have experienced frequent(daily/every-other-day)complete
+ Inspiron 3646 I have experienced frequent(daily/every-other-day)complete
  lockups(cannot even switch to console(Alt-F1,F2,etc.).
  
  I have determined that the issue is related to the 'i915' driver in
- relation to my GPU:
+ relation to my GPU.
  
- 00:02.0 VGA compatible controller: Intel Corporation Atom Processor
- Z36xxx/Z37xxx Series Graphics & Display (rev 0e)
+ I'm currently using intel-linux-graphics-
+ installer_1.2.0-0intel1_amd64.deb from https://01.org/linuxgraphics with
+ similar results (maybe a little better than the stock i915 stack in
+ 15.04).
  
- on SoC:
- 
- Handle 0x0004, DMI type 4, 42 bytes
- Processor Information
-         Socket Designation: CPU 1
-         Type: Central Processor
-         Family: Atom
-         Manufacturer: Intel(R) Corporation
-         Version: Intel(R) Pentium(R) CPU  J2900  @ 2.41GHz
-         
+ WORKAROUND: Use kernel boot parameter:
+ intel_idle.max_cstate=1
  
  I have gained _significant_ improvements in reliability / stability by
- using various flags / parameters in the i915 module:
+ using parameters in the i915 module:
  
  /etc/modprobe.d/i915.conf:
- 
  options i915 semaphores=1
  
  and / or
  
  /etc/default/grub:
- 
  GRUB_CMDLINE_LINUX_DEFAULT="quiet intel_pstate=disable"
  
  and / or
- 
  /usr/share/X11/xorg.conf.d/20-intel.conf:
  
  Section "Device"
     Identifier "Intel Graphics"
     Driver "intel"
     Option "TearFree" "1"
  EndSection
  
  and / or
- 
  Disable "Intel Virtualization Technologies" in the BIOS.
- 
- chris@CKR-DKM:~$ lsb_release -rd
- Description:    Ubuntu 15.04
- Release:        15.04
- 
- chris@CKR-DKM:~$ apt-cache policy xorg
- xorg:
-   Installed: (none)
-   Candidate: 1:7.7+7ubuntu4
-   Version table:
-      1:7.7+7ubuntu4 0
-         500 http://us.archive.ubuntu.com/ubuntu/ vivid/main amd64 Packages
- 
- 
- *****************************************************************
- 
- I'm currently using:  intel-linux-graphics-
- installer_1.2.0-0intel1_amd64.deb
- 
- from:  https://01.org/linuxgraphics
- 
- with similar results(maybe a little better than the stock i915 stack in
- 15.04).
- 
- 
- *****************************************************************
- 
  
  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: xorg (not installed)
  ProcVersionSignature: Ubuntu 3.19.0-30.34-generic 3.19.8-ckt6
  Uname: Linux 3.19.0-30-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1.5
  Architecture: amd64
  CompositorRunning: None
  Date: Wed Oct  7 09:32:47 2015
  DistUpgraded: Fresh install
  DistroCodename: vivid
  DistroVariant: ubuntu
  ExtraDebuggingInterest: Yes
  GraphicsCard:
   Intel Corporation Atom Processor Z36xxx/Z37xxx Series Graphics & Display [8086:0f31] (rev 0e) (prog-if 00 [VGA controller])
     Subsystem: Dell Device [1028:068d]
  InstallationDate: Installed on 2015-09-17 (19 days ago)
  InstallationMedia: Ubuntu-Server 15.04 "Vivid Vervet" - Release amd64 (20150422)
  LightdmGreeterLog:
   ** (lightdm-gtk-greeter:1005): WARNING **: [PIDs] Failed to execute command: upstart
  
   ** (lightdm-gtk-greeter:1005): WARNING **: Failed to load user image: Failed to open file '/home/chris/.face': No such file or directory
  MachineType: Dell Inc. Inspiron 3646
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-30-generic.efi.signed root=UUID=ef22be35-6f79-4356-be42-2689d1de0378 ro quiet
  SourcePackage: xorg
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 08/17/2015
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A09
  dmi.board.name: 0V6D8J
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 3
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: A09
  dmi.modalias: dmi:bvnDellInc.:bvrA09:bd08/17/2015:svnDellInc.:pnInspiron3646:pvr:rvnDellInc.:rn0V6D8J:rvrA00:cvnDellInc.:ct3:cvrA09:
  dmi.product.name: Inspiron 3646
  dmi.sys.vendor: Dell Inc.
  version.compiz: compiz N/A
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.60-2
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.5.9-2ubuntu1~vivid2
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.5.9-2ubuntu1~vivid2
  version.xserver-xorg-core: xserver-xorg-core 2:1.17.1-0ubuntu3.1
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.5.0-1ubuntu2
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917-1~exp1ubuntu2.2
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu2build1
  xserver.bootTime: Tue Oct  6 20:05:51 2015
  xserver.configfile: default
  xserver.errors:
  
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   product id                                 990
   vendor                                     ACR
  xserver.version: 2:1.17.1-0ubuntu3.1

-- 
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https://bugs.launchpad.net/bugs/1503731

Title:
  8086:0f31 Ubuntu 15.04-15.10 freezes totally

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Ever since I first installed 15.04 back in April/May on my new DELL
  Inspiron 3646 I have experienced frequent(daily/every-other-
  day)complete lockups(cannot even switch to console(Alt-F1,F2,etc.).

  I have determined that the issue is related to the 'i915' driver in
  relation to my GPU.

  I'm currently using intel-linux-graphics-
  installer_1.2.0-0intel1_amd64.deb from https://01.org/linuxgraphics
  with similar results (maybe a little better than the stock i915 stack
  in 15.04).

  WORKAROUND: Use kernel boot parameter:
  intel_idle.max_cstate=1

  I have gained _significant_ improvements in reliability / stability by
  using parameters in the i915 module:

  /etc/modprobe.d/i915.conf:
  options i915 semaphores=1

  and / or

  /etc/default/grub:
  GRUB_CMDLINE_LINUX_DEFAULT="quiet intel_pstate=disable"

  and / or
  /usr/share/X11/xorg.conf.d/20-intel.conf:

  Section "Device"
     Identifier "Intel Graphics"
     Driver "intel"
     Option "TearFree" "1"
  EndSection

  and / or
  Disable "Intel Virtualization Technologies" in the BIOS.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: xorg (not installed)
  ProcVersionSignature: Ubuntu 3.19.0-30.34-generic 3.19.8-ckt6
  Uname: Linux 3.19.0-30-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1.5
  Architecture: amd64
  CompositorRunning: None
  Date: Wed Oct  7 09:32:47 2015
  DistUpgraded: Fresh install
  DistroCodename: vivid
  DistroVariant: ubuntu
  ExtraDebuggingInterest: Yes
  GraphicsCard:
   Intel Corporation Atom Processor Z36xxx/Z37xxx Series Graphics & Display [8086:0f31] (rev 0e) (prog-if 00 [VGA controller])
     Subsystem: Dell Device [1028:068d]
  InstallationDate: Installed on 2015-09-17 (19 days ago)
  InstallationMedia: Ubuntu-Server 15.04 "Vivid Vervet" - Release amd64 (20150422)
  LightdmGreeterLog:
   ** (lightdm-gtk-greeter:1005): WARNING **: [PIDs] Failed to execute command: upstart

   ** (lightdm-gtk-greeter:1005): WARNING **: Failed to load user image: Failed to open file '/home/chris/.face': No such file or directory
  MachineType: Dell Inc. Inspiron 3646
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-30-generic.efi.signed root=UUID=ef22be35-6f79-4356-be42-2689d1de0378 ro quiet
  SourcePackage: xorg
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 08/17/2015
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A09
  dmi.board.name: 0V6D8J
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 3
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: A09
  dmi.modalias: dmi:bvnDellInc.:bvrA09:bd08/17/2015:svnDellInc.:pnInspiron3646:pvr:rvnDellInc.:rn0V6D8J:rvrA00:cvnDellInc.:ct3:cvrA09:
  dmi.product.name: Inspiron 3646
  dmi.sys.vendor: Dell Inc.
  version.compiz: compiz N/A
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.60-2
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.5.9-2ubuntu1~vivid2
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.5.9-2ubuntu1~vivid2
  version.xserver-xorg-core: xserver-xorg-core 2:1.17.1-0ubuntu3.1
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.5.0-1ubuntu2
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917-1~exp1ubuntu2.2
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu2build1
  xserver.bootTime: Tue Oct  6 20:05:51 2015
  xserver.configfile: default
  xserver.errors:

  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   product id                                 990
   vendor                                     ACR
  xserver.version: 2:1.17.1-0ubuntu3.1

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