I am sorry I confused things with my VMs comment (I was explaining why I run Windows with 32GB of RAM - I won't make that mistake again). Yes, the problem occurs in Windows without VMs as well.
Again my problem is very much like Paul said. I can leave the system for days without a problem. But then when I am reading something something on the screen and decide to move the mouse or scroll down or play a video the system will crash. Though it is crazily inconsistent. I may go a couple of weeks without a crash then have three crashes in an hour. I also thought it was related to memory or a memory issue - the more things I have running the more likely I am to see the problem (e.g. lots of firefox tabs)...but I have let memtest86+ run for hours without it throwing an error. I thought it could be a heat issue because I know I didn't do the greatest job with the thermal paste (I have been watching CPU temperature closely)...but seeing that you and Paul have the same problem I am now more confident that I am OK there. What hardware are you using? Are you using a Shuttle SZ77R5 as well...or something different? Just wanting to rule out a problem with the Shuttle hardware. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/1367825 Title: Intel i915 video driver causing random crashes on i7 Z77 system Status in xserver-xorg-video-intel package in Ubuntu: Confirmed Bug description: Description: Ubuntu 14.04.1 LTS Release: 14.04 apt-cache policy xserver-xorg-video-intel xserver-xorg-video-intel: Installed: (none) Candidate: 2:2.99.910-0ubuntu1.1 System: Shuttle XPC SZ77R5 with 32 GB of memory installed (x4 8GB matched kit of sticks). Processor: Intel(R) Core(TM) i7-3770K CPU @ 3.50GHz Kernel: 3.13.0-35-generic #62-Ubuntu SMP I am experiencng random lock-ups/crashes when using this system and the i915 video driver is active. This results in a fully corrupted screen and no ability to do anything. The only remedy is to restart the system by holding down the power button. I have tried a number of different ideas from different bug reports but they all seem to be different regarding the i915 driver. The screen corruption can be seen in the attached grab. My last resort to see if it was this driver being responsible was to remove it from the system and make use of the regular vesa drivers. I have been using the vesa driver for a week now with no further crashes. All memory sticks are confirmed as good. I have maxed out the memory running 8 different virtual machines to prove to myself there wasn't a bad stick of memory. Also memtest86+ does not show any faults. This problem has been apparent from kernel 3.2.x right up to not with 3.13.x installed. At various points I did test with kernels from Liquorix to see if the problem was resolved (or in the kernel at all). The crashes have happened in Gnome and KDE with different window managers which suggests it's related to xserver (driver). The crashes can come at any time under any kind of load. Sometimes just scrolling a window or entering some text. The only constant seems to be that something on the screen has to change. If left alone with no interaction the machine would run just fine. I have used it remotely with X forwarding without problem. This definitely seems to be an i915 issue, or something closely related to it. --- ApportVersion: 2.14.1-0ubuntu3.3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: crispy 3441 F.... pulseaudio CurrentDesktop: KDE DistroRelease: Ubuntu 14.04 HibernationDevice: RESUME=UUID=789ed600-1127-4ac3-9a63-1e8f187636f1 InstallationDate: Installed on 2013-01-06 (612 days ago) InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5) IwConfig: vboxnet0 no wireless extensions. eth0 no wireless extensions. lo no wireless extensions. MachineType: Shuttle Inc. SZ77 Package: linux (not installed) ProcFB: 0 VESA VGA ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-35-generic root=/dev/mapper/vg-root ro rootdelay=10 quiet splash nomdmonddf nomdmonisw nomdmonddf nomdmonisw ProcVersionSignature: Ubuntu 3.13.0-35.62-generic 3.13.11.6 RelatedPackageVersions: linux-restricted-modules-3.13.0-35-generic N/A linux-backports-modules-3.13.0-35-generic N/A linux-firmware 1.127.5 RfKill: 0: hci0: Bluetooth Soft blocked: no Hard blocked: no Tags: trusty Uname: Linux 3.13.0-35-generic x86_64 UpgradeStatus: Upgraded to trusty on 2014-04-22 (141 days ago) UserGroups: adm cdrom dip fuse gdm lpadmin plugdev sambashare scanner sudo vboxusers _MarkForUpload: True dmi.bios.date: 05/14/2013 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 1.12 dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: FZ77 dmi.board.vendor: Shuttle Inc. dmi.board.version: 1.0 dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 3 dmi.chassis.vendor: To Be Filled By O.E.M. dmi.chassis.version: To Be Filled By O.E.M. dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1.12:bd05/14/2013:svnShuttleInc.:pnSZ77:pvr1.0:rvnShuttleInc.:rnFZ77:rvr1.0:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.: dmi.product.name: SZ77 dmi.product.version: 1.0 dmi.sys.vendor: Shuttle Inc. 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