Thank you. Christopher M. Penalver (penalvch) for your guidance. Please see my findings with the upstream kernel, below:
chris@CKR-DKM:~$ uname -a Linux CKR-DKM 4.3.0-040300rc4-generic #201510041330 SMP Sun Oct 4 17:32:10 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux ** 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 + Manufacturer: Dell Inc. + Product Name: 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 have determined that the issue is related to the 'i915' driver in + relation to my GPU: 00:02.0 VGA compatible controller: Intel Corporation Atom Processor Z36xxx/Z37xxx Series Graphics & Display (rev 0e) - on SoC: Handle 0x0004, DMI type 4, 42 bytes Processor Information - Socket Designation: CPU 1 - Type: Central Processor - Family: Atom - Manufacturer: Intel(R) Corporation - ID: 78 06 03 00 FF FB EB BF - Signature: Type 0, Family 6, Model 55, Stepping 8 - Flags: - FPU (Floating-point unit on-chip) - VME (Virtual mode extension) - DE (Debugging extension) - PSE (Page size extension) - TSC (Time stamp counter) - MSR (Model specific registers) - PAE (Physical address extension) - MCE (Machine check exception) - CX8 (CMPXCHG8 instruction supported) - APIC (On-chip APIC hardware supported) - SEP (Fast system call) - MTRR (Memory type range registers) - PGE (Page global enable) - MCA (Machine check architecture) - CMOV (Conditional move instruction supported) - PAT (Page attribute table) - PSE-36 (36-bit page size extension) - CLFSH (CLFLUSH instruction supported) - DS (Debug store) - ACPI (ACPI supported) - MMX (MMX technology supported) - FXSR (FXSAVE and FXSTOR instructions supported) - SSE (Streaming SIMD extensions) - SSE2 (Streaming SIMD extensions 2) - SS (Self-snoop) - HTT (Multi-threading) - TM (Thermal monitor supported) - PBE (Pending break enabled) - Version: Intel(R) Pentium(R) CPU J2900 @ 2.41GHz - Voltage: 0.9 V - External Clock: 83 MHz - Max Speed: 2656 MHz - Current Speed: 2425 MHz - Status: Populated, Enabled - Upgrade: None - L1 Cache Handle: 0x0007 - L2 Cache Handle: 0x0008 - L3 Cache Handle: Not Provided - Serial Number: Not Specified - Asset Tag: Not Specified - Part Number: Not Specified - Core Count: 4 - Core Enabled: 4 - Thread Count: 4 - Characteristics: - 64-bit capable - Multi-Core - Execute Protection - Enhanced Virtualization - Power/Performance Control - + Socket Designation: CPU 1 + Type: Central Processor + Family: Atom + Manufacturer: Intel(R) Corporation + Version: Intel(R) Pentium(R) CPU J2900 @ 2.41GHz + I have gained _significant_ improvements in reliability / stability by using various flags / 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" + 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 + 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] + 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 + ** (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 + product id 990 + vendor ACR xserver.version: 2:1.17.1-0ubuntu3.1 ** Attachment added: "Upstream kernel install log" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1503731/+attachment/4490259/+files/ubu_15.04_upstream-kern-inst.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1503731 Title: 15.04 freezes totally using Intel(i915) on BayTrail / ValleyView SoC(J2900 CPU) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1503731/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs