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[Timothée Girard <girard.timothee@xxxxxxxxx>]

@David: I see that in your logfile: 
"RBP=0x00007f8ff8eab932: <offset 0x96932> in /usr/lib/fglrx/libGL.so.1 at 0x00007f8ff8e15000"

fglrx is the name of ATI proprietary driver and I think this proprietary
is the cause of problem. Because at beginning I use the free drivers and
I don't the problem, Minecraft exit normally. And when I install the ATI
proprietary driver the problem come out like you.

Infortunately, I don't think there is a solution because the source code
of proprietary driver is close and may be ATI stop the support for your
graphic card's like me (ATI HD4650 Mobility).

Sorry for my english, I'm french :)

-- 
You received this bug notification because you are a member of OpenJDK,
which is subscribed to openjdk-7 in Ubuntu.
https://bugs.launchpad.net/bugs/1074956

Title:
  Minecraft SIGSEGVs and hangs on exit, MC head dev says it's on the JRE

Status in “openjdk-7” package in Ubuntu:
  Confirmed

Bug description:
  Nearly every time I exit the Minecraft program on my Ubuntu system, it
  crashes with a SIGSEGV.  After this, the window frame remains (solid
  black) and does not respond to close requests.  A few minutes later,
  it closes and posts a system message to the effect of "the program
  "java" closed unexpectedly. [...] Your system does not have enough
  memory to automatically analyze the problem."

  Here are the exit messages from the console:
  ---
  SoundSystem shutting down...
      Author: Paul Lamb, www.paulscode.com

  #
  # A fatal error has been detected by the Java Runtime Environment:
  #
  #  SIGSEGV (0xb) at pc=0x00007f903c2eec58, pid=28809, tid=140257483912960
  #
  # JRE version: 7.0_09-b30
  # Java VM: OpenJDK 64-Bit Server VM (23.2-b09 mixed mode linux-amd64 compressed oops)
  # Problematic frame:
  # C  [libX11.so.6+0x33c58]  XQueryExtension+0x28
  #
  # 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/dmh/Games/Minecraft/hs_err_pid28809.log
  #
  # If you would like to submit a bug report, please include
  # instructions on how to reproduce the bug and visit:
  #   https://bugs.launchpad.net/ubuntu/+source/openjdk-7/
  #
  ---
  I will try to attach the named logfile.

  I have tried reporting this to the Minecraft bug tracker, and the head
  developer (Dinnerbone) has said it's a JRE issue:
  https://mojang.atlassian.net/browse/MC-146

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