Put the summary of the bug you're having here

What I expected to happen was...:
my world should of opened

What actually happened was..:
game crashed when i opened world

Steps to Reproduce:
1. open v1.9
2. open a world (including servers)
3. crash

crash log was...

-------------------------------------------------------------------------

Completely ignored arguments: [--nativeLauncherVersion, 301]
[16:52:54] [Client thread/INFO]: Setting user: legomaster813
[16:52:54] [Client thread/INFO]: (Session ID is <censored>)
[16:52:56] [Client thread/INFO]: LWJGL Version: 2.9.4
[16:52:56] [Client thread/INFO]: Reloading ResourceManager: Default
[16:52:57] [Sound Library Loader/INFO]: Starting up SoundSystem...
[16:52:57] [Thread-5/INFO]: Initializing LWJGL OpenAL
[16:52:57] [Thread-5/INFO]: (The LWJGL binding of OpenAL. For more information, see http://www.lwjgl.org)
[16:52:57] [Thread-5/INFO]: OpenAL initialized.
[16:52:57] [Sound Library Loader/INFO]: Sound engine started
[16:52:58] [Client thread/INFO]: Created: 1024x512 textures-atlas
[16:53:45] [Server thread/INFO]: Starting integrated minecraft server version 1.9
[16:53:45] [Server thread/INFO]: Generating keypair
[16:53:46] [Server thread/INFO]: Preparing start region for level 0
[16:53:47] [Server thread/INFO]: Preparing spawn area: 6%
[16:53:48] [Server thread/INFO]: Preparing spawn area: 12%
[16:53:49] [Server thread/INFO]: Preparing spawn area: 21%
[16:53:50] [Server thread/INFO]: Preparing spawn area: 30%
[16:53:51] [Server thread/INFO]: Preparing spawn area: 39%
[16:53:52] [Server thread/INFO]: Preparing spawn area: 50%
[16:53:53] [Server thread/INFO]: Preparing spawn area: 60%
[16:53:54] [Server thread/INFO]: Preparing spawn area: 72%
[16:53:55] [Server thread/INFO]: Preparing spawn area: 84%
[16:53:56] [Server thread/INFO]: Preparing spawn area: 96%
[16:53:56] [Server thread/INFO]: Changing view distance to 2, from 10
[16:53:57] [Server thread/INFO]: legomaster813[local:E:f18144df] logged in with entity id 281 at (250.5, 68.0, 264.5)
[16:53:57] [Server thread/INFO]: legomaster813 joined the game
#

1. A fatal error has been detected by the Java Runtime Environment:
   #
2. EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x00007ff8f7f36b87, pid=13816, tid=5628
   #
3. JRE version: Java(TM) SE Runtime Environment (8.0_25-b18) (build 1.8.0_25-b18)
4. Java VM: Java HotSpot(TM) 64-Bit Server VM (25.25-b02 mixed mode windows-amd64 compressed oops)
5. Problematic frame:
6. C [ig8icd64.dll+0x16b87]
   #
7. Failed to write core dump. Minidumps are not enabled by default on client versions of Windows
   #
8. An error report file with more information is saved as:
9. C:\Users\Paul\AppData\Roaming\.minecraft\hs_err_pid13816.log
   #
10. If you would like to submit a bug report, please visit:
11. http://bugreport.sun.com/bugreport/crash.jsp
12. The crash happened outside the Java Virtual Machine in native code.
13. See problematic frame for where to report the bug.
    #
    AL lib: (EE) alc_cleanup: 1 device not closed
    Java HotSpot(TM) 64-Bit Server VM warning: Using incremental CMS is deprecated and will likely be removed in a future release

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