uma coisa curiosa quando fiz "sudo ./eclipse" no primeiro acesso do eclipse abrio normal e mostrou aquela tela do "Welcome to Eclipse" dae refiz o procedimento "./eclipse" e no primeiro acesso ele tenta inicializar cria a pasta workspace trava e fecha.
no log me retornou isto:
# A fatal error has been detected by the Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0x00007f8bd66b1ca9, pid=9198, tid=140240174311168
#
# JRE version: OpenJDK Runtime Environment (7.0_55-b14) (build 1.7.0_55-b14)
# Java VM: OpenJDK 64-Bit Server VM (24.51-b03 mixed mode linux-amd64 compressed oops)
# Problematic frame:
# C [libwebkitgtk-1.0.so.0+0x461ca9] webkit_web_view_get_type+0x2489
#
# Failed to write core dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again
#
# If you would like to submit a bug report, please include
# instructions on how to reproduce the bug and visit:
#
http://icedtea.classpath.org/bugzilla# The crash happened outside the Java Virtual Machine in native code.
# See problematic frame for where to report the bug.
#