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[Andreas Moog <andreas.moog@xxxxxxxxxxxx>]

Thank you for taking the time to report this bug and helping to make
Ubuntu better. Please answer these questions:

* Is this reproducible?
* If so, what specific steps should we take to recreate this bug?

This will help us to find and resolve the problem.

** Changed in: openjdk-6 (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1202193

Title:
  When I was trying to play minecraft with fml this happened. Can anyone
  trouble shoot for me please?

Status in “openjdk-6” package in Ubuntu:
  Incomplete

Bug description:
  
  # A fatal error has been detected by the Java Runtime Environment:
  #
  #  SIGSEGV (0xb) at pc=0x00007fbad4aedae8, pid=2021, tid=140440554010368
  #
  # JRE version: 6.0_27-b27
  # Java VM: OpenJDK 64-Bit Server VM (20.0-b12 mixed mode linux-amd64 compressed oops)
  # Derivative: IcedTea6 1.12.5
  # Distribution: Ubuntu 12.04 LTS, package 6b27-1.12.5-0ubuntu0.12.04.1
  # Problematic frame:
  # C  [libX11.so.6+0x33ae8]  XQueryExtension+0x28
  #
  # If you would like to submit a bug report, please include
  # instructions how to reproduce the bug and visit:
  #   https://bugs.launchpad.net/ubuntu/+source/openjdk-6/
  #

  ---------------  T H R E A D  ---------------

  Current thread (0x00007fbad806e000):  VMThread [stack:
  0x00007fbadd457000,0x00007fbadd558000] [id=2026]

  siginfo:si_signo=SIGSEGV: si_errno=0, si_code=1 (SEGV_MAPERR),
  si_addr=0xffffffffd8362948

  Registers:
  RAX=0x00007fbacc0008c0, RBX=0xffffffffd8361fe0, RCX=0x00007fbadd556578, RDX=0x00007fbadd556574
  RSP=0x00007fbadd556510, RBP=0x00007fbaadd90932, RSI=0x00007fbaadd90932, RDI=0xffffffffd8361fe0
  R8 =0x00007fbadd55657c, R9 =0x0000000000000077, R10=0x00007fbae0a80fa8, R11=0x0000000000000000
  R12=0x0000000000000000, R13=0x00007fbaadd90932, R14=0x00007fbacc0008c0, R15=0x0000000000000000
  RIP=0x00007fbad4aedae8, EFLAGS=0x0000000000010202, CSGSFS=0x0000000000000033, ERR=0x0000000000000005
    TRAPNO=0x000000000000000e

  Top of Stack: (sp=0x00007fbadd556510)
  0x00007fbadd556510:   0000000000000000 0000003000000003
  0x00007fbadd556520:   0000006e0000005b 0000007c00000077
  0x00007fbadd556530:   00000000ffffffff ffffffffd8361fe0
  0x00007fbadd556540:   00007fbaadd90932 0000000000000000
  0x00007fbadd556550:   00007fbaadd90932 00007fbacc0008c0
  0x00007fbadd556560:   0000000000000000 00007fbad4ae1b25
  0x00007fbadd556570:   00007fbae12cd048 00007fbaadec9520
  0x00007fbadd556580:   00007fbaadec9520 ffffffffd8361fe0
  0x00007fbadd556590:   00007fbad82948c0 00007fbad4dfc0fb
  0x00007fbadd5565a0:   00007fbae06d3790 0000001100000048
  0x00007fbadd5565b0:   00007fbadd556630 0000000000000000
  0x00007fbadd5565c0:   00007fbadd556630 ffffffffd8361fe0
  0x00007fbadd5565d0:   0000000000000000 00007fbae12cd048
  0x00007fbadd5565e0:   00007fbaadee2d50 00007fbaadd37119
  0x00007fbadd5565f0:   0000000000000000 0000000000000048
  0x00007fbadd556600:   00007fbadd556630 00007fbadd556650
  0x00007fbadd556610:   0000000000000000 00007fbae12cd048
  0x00007fbadd556620:   00007fbad8348390 00007fbaadd2db42
  0x00007fbadd556630:   00007fbadd556900 00007fbaadd908b1
  0x00007fbadd556640:   00007fbadd556900 00007fbae10b992d
  0x00007fbadd556650:   00007fbae12ce2c8 00007fbae12ce858
  0x00007fbadd556660:   00007fbae12aa000 00007fbad8006b50
  0x00007fbadd556670:   00007fbad8007660 00007fbad8007b60
  0x00007fbadd556680:   00007fbad800c840 00007fbad81528a0
  0x00007fbadd556690:   00007fbad8231aa0 00007fbae12a9000
  0x00007fbadd5566a0:   00007fbad82c7bd0 00007fbad82c7700
  0x00007fbadd5566b0:   00007fbad82b5780 00007fbad82b5c20
  0x00007fbadd5566c0:   00007fbad81cde60 00007fbad81cf980
  0x00007fbadd5566d0:   00007fbad81cf4e0 00007fbad82c80c0
  0x00007fbadd5566e0:   00007fbad81cf040 00007fbad82c8560
  0x00007fbadd5566f0:   00007fbad82e4de0 00007fbad82d2f80
  0x00007fbadd556700:   00007fbad82e2380 00007fbad81f21d0 

  Instructions: (pc=0x00007fbad4aedae8)
  0x00007fbad4aedac8:   24 d8 48 89 fb 4c 89 64 24 e0 4c 89 6c 24 e8 48
  0x00007fbad4aedad8:   89 f5 4c 89 74 24 f0 4c 89 7c 24 f8 48 83 ec 58
  0x00007fbad4aedae8:   48 8b 87 68 09 00 00 49 89 d4 49 89 cd 4d 89 c6
  0x00007fbad4aedaf8:   48 85 c0 74 02 ff 10 ba 08 00 00 00 be 62 00 00 

  Register to memory mapping:

  RAX=0x00007fbacc0008c0 is an unknown value
  RBX=0xffffffffd8361fe0 is an unknown value
  RCX=0x00007fbadd556578 is an unknown value
  RDX=0x00007fbadd556574 is an unknown value
  RSP=0x00007fbadd556510 is an unknown value
  RBP=0x00007fbaadd90932: <offset 0x96932> in /usr/lib/fglrx/libGL.so.1 at 0x00007fbaadcfa000
  RSI=0x00007fbaadd90932: <offset 0x96932> in /usr/lib/fglrx/libGL.so.1 at 0x00007fbaadcfa000
  RDI=0xffffffffd8361fe0 is an unknown value
  R8 =0x00007fbadd55657c is an unknown value
  R9 =0x0000000000000077 is an unknown value
  R10=0x00007fbae0a80fa8: <offset 0x3bbfa8> in /lib/x86_64-linux-gnu/libc.so.6 at 0x00007fbae06c5000
  R11=0x0000000000000000 is an unknown value
  R12=0x0000000000000000 is an unknown value
  R13=0x00007fbaadd90932: <offset 0x96932> in /usr/lib/fglrx/libGL.so.1 at 0x00007fbaadcfa000
  R14=0x00007fbacc0008c0 is an unknown value
  R15=0x0000000000000000 is an unknown value

  
  Stack: [0x00007fbadd457000,0x00007fbadd558000],  sp=0x00007fbadd556510,  free space=1021k
  Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
  C  [libX11.so.6+0x33ae8]  XQueryExtension+0x28

  VM_Operation (0x00007fbae12a4530): Exit, mode: safepoint, requested by
  thread 0x00007fbad8008800

  
  ---------------  P R O C E S S  ---------------

  Java Threads: ( => current thread )
    0x00007fbad8d88800 JavaThread "Thread-2" [_thread_blocked, id=10434, stack(0x00007fbaacff3000,0x00007fbaad0f4000)]
    0x00007fba9402b000 JavaThread "Thread-3882" [_thread_blocked, id=10428, stack(0x00007fba8c243000,0x00007fba8c344000)]
    0x00007fbadada6000 JavaThread "Thread-3881" [_thread_blocked, id=10427, stack(0x00007fba8c445000,0x00007fba8c546000)]
    0x00007fba94033800 JavaThread "File IO Thread" [_thread_blocked, id=3975, stack(0x00007fba8a542000,0x00007fba8a643000)]
    0x00007fbad82e1800 JavaThread "Timer hack thread" daemon [_thread_blocked, id=2038, stack(0x00007fbaae444000,0x00007fbaae545000)]
    0x00007fbad82d1000 JavaThread "Snooper Timer" daemon [_thread_blocked, id=2037, stack(0x00007fbaae964000,0x00007fbaaea65000)]
    0x00007fbad82c6800 JavaThread "AWT-XAWT" daemon [_thread_in_native, id=2036, stack(0x00007fbaaf2e1000,0x00007fbaaf3e2000)]
    0x00007fbad823b800 JavaThread "Java2D Disposer" daemon [_thread_blocked, id=2035, stack(0x00007fbaaf811000,0x00007fbaaf912000)]
    0x00007fbad809a800 JavaThread "Low Memory Detector" daemon [_thread_blocked, id=2033, stack(0x00007fbadc76e000,0x00007fbadc86f000)]
    0x00007fbad8098800 JavaThread "C2 CompilerThread1" daemon [_thread_blocked, id=2032, stack(0x00007fbadc86f000,0x00007fbadc970000)]
    0x00007fbad8095800 JavaThread "C2 CompilerThread0" daemon [_thread_blocked, id=2031, stack(0x00007fbadc970000,0x00007fbadca71000)]
    0x00007fbad8075000 JavaThread "Finalizer" daemon [_thread_blocked, id=2028, stack(0x00007fbadd255000,0x00007fbadd356000)]
    0x00007fbad8073000 JavaThread "Reference Handler" daemon [_thread_blocked, id=2027, stack(0x00007fbadd356000,0x00007fbadd457000)]
    0x00007fbad8008800 JavaThread "Minecraft main thread" [_thread_blocked, id=2023, stack(0x00007fbae11a5000,0x00007fbae12a6000)]

  Other Threads:
  =>0x00007fbad806e000 VMThread [stack: 0x00007fbadd457000,0x00007fbadd558000] [id=2026]

  VM state:at safepoint (shutting down)

  VM Mutex/Monitor currently owned by a thread:  ([mutex/lock_event])
  [0x00007fbad8004f20] Threads_lock - owner thread: 0x00007fbad806e000

  Heap
   PSYoungGen      total 98560K, used 3500K [0x00000000eaab0000, 0x00000000f6900000, 0x0000000100000000)
    eden space 96576K, 3% used [0x00000000eaab0000,0x00000000eae1b0a0,0x00000000f0900000)
    from space 1984K, 0% used [0x00000000f5e00000,0x00000000f5e00000,0x00000000f5ff0000)
    to   space 6080K, 0% used [0x00000000f6310000,0x00000000f6310000,0x00000000f6900000)
   PSOldGen        total 218304K, used 116030K [0x00000000c0000000, 0x00000000cd530000, 0x00000000eaab0000)
    object space 218304K, 53% used [0x00000000c0000000,0x00000000c714faa0,0x00000000cd530000)
   PSPermGen       total 30720K, used 30669K [0x00000000b5a00000, 0x00000000b7800000, 0x00000000c0000000)
    object space 30720K, 99% used [0x00000000b5a00000,0x00000000b77f36f8,0x00000000b7800000)

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