crashing

when I go into multiplayer and get on the sever titainmc.net or play.itsjerryandharry.net it always crashes after 10 to 30 seconds being on the sever. sometimes it happens on singleCompletely ignored arguments: [--nativeLauncherVersion, 307]
[23:03:15] [Client thread/INFO]: Setting user: tabbycat1132
[23:03:15] [Client thread/INFO]: (Session ID is <censored>)
[23:03:20] [Client thread/INFO]: LWJGL Version: 2.9.4
[23:03:23] [Client thread/INFO]: Reloading ResourceManager: Default
[23:03:24] [Sound Library Loader/INFO]: Starting up SoundSystem...
[23:03:24] [Thread-6/INFO]: Initializing LWJGL OpenAL
[23:03:24] [Thread-6/INFO]: (The LWJGL binding of OpenAL. For more information, see http://www.lwjgl.org)
[23:03:24] [Thread-6/INFO]: OpenAL initialized.
[23:03:24] [Sound Library Loader/INFO]: Sound engine started
[23:03:32] [Client thread/INFO]: Created: 512x512 textures-atlas
[23:03:52] [Client thread/INFO]: Connecting to titanmc.net, 25565
#

1. A fatal error has been detected by the Java Runtime Environment:
   #

2. EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x00007ff8d6d4d683, pid=4484, tid=5420
   #

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 [ig7icd64.dll+0x6d683]
   #

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\tabbycat\AppData\Roaming\.minecraft\hs_err_pid4484.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
    player too.