Martin, thank you for reporting this and helping make Ubuntu better. A crash in Java has nothing to do with xorg. Regarding Oracle Java, please follow the instructions as per the crash report to report to Oracle directly Regarding icedtea, your crash report is missing.
Please follow these instructions to have apport report a new bug about your crash that can be dealt with by the automatic retracer. First, execute at a terminal: cd /var/crash && sudo rm * ; sudo apt-get update && sudo apt-get -y upgrade && sudo service apport start force_start=1 If you are running the Ubuntu Stable Release you might need to enable apport in /etc/default/apport and restart. Now reproduce the crash, then open a terminal, navigate to your /var/crash directory and file your report with: sudo ubuntu-bug /var/crash/_my_crash_report.crash where _my_crash_report.crash is the crash you would like to report. By default, this sends the crash to the Ubuntu Error Tracker infrastructure, which is different than Launchpad. For more on this, please see https://wiki.ubuntu.com/ErrorTracker . However, if after doing this you would still like to have a crash report posted to Launchpad, for example to ease triage and add others to your report, one would need to open the following file via a terminal: sudo nano /etc/apport/crashdb.conf and comment out the line: 'problem_types': ['Bug', 'Package'], by changing it to: # 'problem_types': ['Bug', 'Package'], Save, close, and try to file the crash report again via: sudo ubuntu-bug /var/crash/_my_crash_report.crash I'm closing this report since the process outlined above will deal with this issue more efficiently. Also, please do not attach your crash report manually to this report and reopen it. Thank you for your understanding. Helpful bug reporting tips: https://wiki.ubuntu.com/ReportingBugs ** Changed in: xorg (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1480590 Title: Minecraft + Oracle Java + maximized always crashes with SIGSEGV (ubuntu 14.04, java 7.0_80-b15, minecraft 1.7.10) Status in xorg package in Ubuntu: Invalid Bug description: I tried playing Minecraft (a game) but it always crashes after a few minutes (5-20 minutes) with the same kind of crash. Minecraft worked previously on this computer, a few months ago. Steps to reproduce: 1. Start Minecraft. 2. Press single player. 3. Create a new world or load an old world. 4. Press escape to view menu. 5. Maximize the window that Minecraft is running in. 6. Wait for 5-20 minutes until crash (always crashes). Workaround: Do not maximize the Minecraft window. Manual resizing works without crashing. relevant Minecraft game output: Failed to open BO for returned DRI2 buffer (1855x1056, dri2 back buffer, named 93). This is likely a bug in the X Server that will lead to a crash soon. # # A fatal error has been detected by the Java Runtime Environment: # # SIGSEGV (0xb) at pc=0x00007f7cc4a9e51f, pid=4648, tid=140175230424832 # # JRE version: Java(TM) SE Runtime Environment (7.0_80-b15) (build 1.7.0_80-b15) # Java VM: Java HotSpot(TM) 64-Bit Server VM (24.80-b11 mixed mode linux-amd64 compressed oops) # Problematic frame: # C [i965_dri.so+0x3a851f] __driDriverGetExtensions_i915+0xa526f # # Failed to write core dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again # # An error report file with more information is saved as: # /home/meb1/.minecraft/hs_err_pid4648.log # # If you would like to submit a bug report, please visit: # http://bugreport.java.com/bugreport/crash.jsp # The crash happened outside the Java Virtual Machine in native code. # See problematic frame for where to report the bug. # What has changed and not changed since it last worked: Regular ubuntu updates. Probably linux kernel update Probably updated java. Same version of minecraft. Probably updated/changed graphics driver. Speculation about possible cause: Bug in latest oracle java. Linux kernel bug (https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1478989) Bug in x-server. Graphics driver bug (http://www.minecraftforum.net/forums/support/unmodified-minecraft-client/2466332-arch-linux-failed-to-open-bo-for-returned-dri2). Additional information: lsb_release -rd Description: Ubuntu 14.04.2 LTS Release: 14.04 Minecraft 1.7.10 http://www.webupd8.org/2012/01/install-oracle-java-jdk-7-in-ubuntu-via.html java -version java version "1.7.0_80" Java(TM) SE Runtime Environment (build 1.7.0_80-b15) Java HotSpot(TM) 64-Bit Server VM (build 24.80-b11, mixed mode) apt-cache policy xorg xorg: Installed: 1:7.7+1ubuntu8.1 Candidate: 1:7.7+1ubuntu8.1 Version table: *** 1:7.7+1ubuntu8.1 0 500 http://archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 Packages 100 /var/lib/dpkg/status 1:7.7+1ubuntu8 0 500 http://archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: xorg 1:7.7+1ubuntu8.1 ProcVersionSignature: Ubuntu 3.13.0-61.100-generic 3.13.11-ckt22 Uname: Linux 3.13.0-61-generic x86_64 .tmp.unity.support.test.0: ApportVersion: 2.14.1-0ubuntu3.11 Architecture: amd64 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: compiz CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0' CompositorUnredirectFSW: true CurrentDesktop: Unity Date: Sat Aug 1 19:50:06 2015 DistUpgraded: Fresh install DistroCodename: trusty DistroVariant: ubuntu GraphicsCard: Intel Corporation 4th Gen Core Processor Integrated Graphics Controller [8086:0416] (rev 06) (prog-if 00 [VGA controller]) Subsystem: CLEVO/KAPOK Computer Device [1558:2300] InstallationDate: Installed on 2014-06-11 (415 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417) MachineType: Notebook W230SS ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-61-generic root=UUID=93c74f51-3b61-4655-ac70-3bb96879f01f ro quiet splash SourcePackage: xorg Symptom: display UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 04/15/2014 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 4.6.5 dmi.board.asset.tag: Tag 12345 dmi.board.name: W230SS dmi.board.vendor: Notebook dmi.board.version: Not Applicable dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 9 dmi.chassis.vendor: Notebook dmi.chassis.version: N/A dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr4.6.5:bd04/15/2014:svnNotebook:pnW230SS:pvrNotApplicable:rvnNotebook:rnW230SS:rvrNotApplicable:cvnNotebook:ct9:cvrN/A: dmi.product.name: W230SS dmi.product.version: Not Applicable dmi.sys.vendor: Notebook version.compiz: compiz 1:0.9.11.3+14.04.20150313-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.62+git20150703.676c806d-0ubuntu0ricotz~trusty version.libgl1-mesa-dri: libgl1-mesa-dri 10.6.3~git20150727+10.6.ccef8901-0ubuntu0ricotz~trusty version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 10.6.3~git20150727+10.6.ccef8901-0ubuntu0ricotz~trusty version.xserver-xorg-core: xserver-xorg-core 2:1.15.1-0ubuntu2.7 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.4.99+git20140806.fbf575cb-0ubuntu0sarvatt~trusty version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20150729.4246c633-0ubuntu0sarvatt~trusty version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11+git20141030.3fb97d78-0ubuntu0sarvatt~trusty2 xserver.bootTime: Sat Aug 1 18:37:08 2015 xserver.configfile: default xserver.errors: open /dev/dri/card0: No such file or directory intel: Failed to load module "present" (module does not exist, 0) xserver.logfile: /var/log/Xorg.0.log xserver.outputs: product id 4931 vendor CMN xserver.version: 2:1.15.1-0ubuntu2.7 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1480590/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp