********** https://bugs.freedesktop.org/show_bug.cgi?id=92464
********** On Tue, 13 Oct 2015, Chris Rainey <ckr...@gmail.com> wrote: > [1.] One line summary of the problem: 8086:0f31_freezes_totally > > [2.] Full description of the problem/report: Total lockup(cannot even > switch to console via Alt-F1, F2, etc.). Bug is most easily > reproducible via Chromium browser when opening multiple > background-tabs(middle-button(wheel) mouse-clicks) and when using > ALT-TAB to switch between browser and Xterms, etc. Very difficult to > pin due to randomness(i.e. system may run for 30-seconds, 30-minutes > or 30-hours before freeze). However -- it rarely runs stable for more > that 24-48/hrs without a lockup. Please file a bug at [1] running drm-intel-nightly and attach dmesg from boot with drm.debug=14 module parameter set. BR, Jani. [1] https://bugs.freedesktop.org/enter_bug.cgi?product=DRI&component=DRM/Intel -- Jani Nikula, Intel Open Source Technology Center ** Bug watch added: freedesktop.org Bugzilla #92464 https://bugs.freedesktop.org/show_bug.cgi?id=92464 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1503731 Title: 8086:0f31 Ubuntu 15.04-15.10 freezes totally Status in linux package in Ubuntu: Triaged Bug description: 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 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: 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 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" 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 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1503731/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp