** Attachment added: "Here is a second crash log with the issue." https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1503551/+attachment/4489128/+files/hs_err_pid2066.log
-- 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/1503551 Title: Java segfaulted in i965 driver - lots of deleted mmapped files Status in xserver-xorg-video-intel package in Ubuntu: New Bug description: Java encountered a segfault in the i965 driver while running Minecraft. A perusal of the dump report suggests that the issue is not due to Minecraft but due to heavy use of the graphics exacerbating a memory mapping leak in the driver - it seems that the mappings for /dev/drm/card0 and /dri objects are not properly freed. Note that I was running Optifine with Multi-Core loading, which causes multi-threaded use of the graphics driver. Important parts of the hs_err file are pasted below. However, I cut out a *lot* of the /drm mm object and /dev/dri/card0 mappings. There's a more than a hundred pages at 30 lines a page. --- # # A fatal error has been detected by the Java Runtime Environment: # # SIGSEGV (0xb) at pc=0x00007f180efcc4e3, pid=31233, tid=139740657592064 # # JRE version: OpenJDK Runtime Environment (7.0_79-b14) (build 1.7.0_79-b14) # Java VM: OpenJDK 64-Bit Server VM (24.79-b02 mixed mode linux-amd64 compressed oops) # Derivative: IcedTea 2.5.6 # Distribution: Ubuntu 15.04, package 7u79-2.5.6-0ubuntu1.15.04.1 # Problematic frame: # C [i965_dri.so+0x1914e3] # # Failed to write core dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again # # The crash happened outside the Java Virtual Machine in native code. # See problematic frame for where to report the bug. # Stack: [0x00007f17e831a000,0x00007f17e841b000], sp=0x00007f17e84197e0, free space=1021k Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code) C [i965_dri.so+0x1914e3] Java frames: (J=compiled Java code, j=interpreted, Vv=VM code) J 1853 org.lwjgl.opengl.GL11.nglDrawArrays(IIIJ)V (0 bytes) @ 0x00007f18614fc92a [0x00007f18614fc8e0+0x4a] J 2863 C2 net.minecraft.client.renderer.Tessellator.func_78381_a()I (346 bytes) @ 0x00007f186177e020 [0x00007f186177d7e0+0x840] J 5013 C2 WorldRendererThreaded.postRenderBlocksThreaded(ILnet/minecraft/entity/EntityLivingBase;)V (114 bytes) @ 0x00007f1861ced92c [0x00007f1861ced8c0+0x6c] J 2709 C2 WorldRendererThreaded.updateRenderer(LIWrUpdateListener;)V (823 bytes) @ 0x00007f18617a3504 [0x00007f18617a2b20+0x9e4] J 4593% C2 WrUpdateThread.run()V (140 bytes) @ 0x00007f1861abb340 [0x00007f1861abb020+0x320] v ~StubRoutines::call_stub Dynamic libraries: 00400000-00401000 r-xp 00000000 fc:00 13763814 /usr/lib/jvm/java-7-openjdk-amd64/jre/bin/java 00600000-00601000 r--p 00000000 fc:00 13763814 /usr/lib/jvm/java-7-openjdk-amd64/jre/bin/java 00601000-00602000 rw-p 00001000 fc:00 13763814 /usr/lib/jvm/java-7-openjdk-amd64/jre/bin/java 0066f000-00690000 rw-p 00000000 00:00 0 [heap] b5a00000-bda00000 rw-p 00000000 00:00 0 bda00000-c0000000 rw-p 00000000 00:00 0 c0000000-eaa80000 rw-p 00000000 00:00 0 eaa80000-100000000 rw-p 00000000 00:00 0 7f1743442000-7f174344a000 rw-s 00000000 00:05 3198953 /drm mm object (deleted) 7f174344a000-7f1743452000 rw-s 00000000 00:05 3198952 /drm mm object (deleted) 7f1743452000-7f174345a000 rw-s 00000000 00:05 3198951 /drm mm object (deleted) 7f174345a000-7f1743462000 rw-s 00000000 00:05 3198950 /drm mm object (deleted) 7f1743462000-7f174346a000 rw-s 142cc8000 00:06 11074 /dev/dri/card0 7f174346a000-7f1743472000 rw-s 00000000 00:05 3198949 /drm mm object (deleted) 7f1743472000-7f174347a000 rw-s 142cc0000 00:06 11074 /dev/dri/card0 7f174347a000-7f1743482000 rw-s 00000000 00:05 3198948 /drm mm object (deleted) 7f1743482000-7f174348a000 rw-s 142cb8000 00:06 11074 /dev/dri/card0 7f174348a000-7f1743492000 rw-s 142cb0000 00:06 11074 /dev/dri/card0 .... snip .... 7f1745c72000-7f1745c7a000 rw-s 141680000 00:06 11074 /dev/dri/card0 7f1745c7a000-7f1745c82000 rw-s 141678000 00:06 11074 /dev/dri/card0 7f1745c82000-7f1745c8a000 rw-s 141670000 00:06 11074 /dev/dri/card0 7f1745c8a000-7f1745c92000 rw-s 141668000 00:06 11074 /dev/dri/card0 7f1745c92000-7f1745c9a000 rw-s 00000000 00:05 3200480 /drm mm object (deleted) 7f1745c9a000-7f1745ca2000 rw-s 141660000 00:06 11074 /dev/dri/card0 7f1745ca2000-7f1745caa000 rw-s 141658000 00:06 11074 /dev/dri/card0 7f1745caa000-7f1745cb2000 rw-s 141650000 00:06 11074 /dev/dri/card0 7f1745cb2000-7f1745cba000 rw-s 00000000 00:05 3200479 /drm mm object (deleted) 7f1745cba000-7f1745cc2000 rw-s 141648000 00:06 11074 /dev/dri/card0 .... 7f1752d0a000-7f1752d12000 rw-s 13a1b0000 00:06 11074 /dev/dri/card0 .... 7f17538e2000-7f17538ea000 rw-s 00000000 00:05 3193548 /drm mm object (deleted) .... 7f1759aca000-7f1759ad2000 rw-s 135cf8000 00:06 11074 /dev/dri/card0 .... 7f176105e000-7f1761066000 rw-s 00000000 00:05 3175532 /drm mm object (deleted) .... 7f17bbfc0000-7f17bbfc8000 rw-s 00000000 00:05 3120845 /drm mm object (deleted) 7f17bbfc8000-7f17bbfd0000 rw-s 00000000 00:05 3120844 /drm mm object (deleted) 7f17bbfd0000-7f17bbfd8000 rw-s 100ed7000 00:06 11074 /dev/dri/card0 7f17bbfd8000-7f17bbfe0000 rw-s 100ecf000 00:06 11074 /dev/dri/card0 7f17bbfe0000-7f17bbfe8000 rw-s 100ec7000 00:06 11074 /dev/dri/card0 7f17bbfe8000-7f17bbff0000 rw-s 100ebf000 00:06 11074 /dev/dri/card0 7f17bbff0000-7f17bbff8000 rw-s 100eb7000 00:06 11074 /dev/dri/card0 7f17bbff8000-7f17bc000000 rw-s 100eaf000 00:06 11074 /dev/dri/card0 7f17bc000000-7f17bc021000 rw-p 00000000 00:00 0 7f17bc021000-7f17c0000000 ---p 00000000 00:00 0 7f17c0000000-7f17c1d9a000 rw-p 00000000 00:00 0 7f17c1d9a000-7f17c4000000 ---p 00000000 00:00 0 7f17c4000000-7f17c4180000 rw-p 00000000 00:00 0 7f17c4180000-7f17c8000000 ---p 00000000 00:00 0 7f17c8000000-7f17c8048000 rw-p 00000000 00:00 0 .... 7f17e4021000-7f17e8000000 ---p 00000000 00:00 0 7f17e8000000-7f17e8001000 rw-s 00000000 00:05 3169128 /drm mm object (deleted) 7f17e8001000-7f17e8009000 rw-s 100ea7000 00:06 11074 /dev/dri/card0 .... 7f17e81a9000-7f17e8219000 rw-s 00000000 00:05 3121586 /drm mm object (deleted) 7f17e8219000-7f17e821c000 ---p 00000000 00:00 0 7f17e821c000-7f17e831a000 rw-p 00000000 00:00 0 7f17e831a000-7f17e831d000 ---p 00000000 00:00 0 7f17e831d000-7f17e841b000 rw-p 00000000 00:00 0 [stack:22484] 7f17e841b000-7f17e8496000 r-xp 00000000 fc:00 12718478 /usr/lib/x86_64-linux-gnu/nss/libfreebl3.so 7f17e8496000-7f17e8695000 ---p 0007b000 fc:00 12718478 /usr/lib/x86_64-linux-gnu/nss/libfreebl3.so (normal library mappings follow, interspersed with more /dev/dri/card0 and /drm mm object (deleted) mappings) From the crash log, I think it's evident that the driver is leaking memory mappings. 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