Blender crashes after Cap Fill Type

Hi all,

Im a newbie on blender, just started to learn about it. I was creating a cylinder and going to change Cap Fill Type to Triangle Fan, and whole blender freezed and crash.

Heres what blender.crash.txt says:

# Blender 2.70 (sub 0), Commit date: 1970-01-01 00:00, Hash unknown
bpy.ops.object.delete(use_global=False)  # Operator
bpy.ops.mesh.primitive_cylinder_add(radius=1, depth=2, view_align=False, enter_editmode=False, location=(0, 0, 0), layers=(True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False))  # Operator

# backtrace
blender() [0x8ecc68]
/lib/x86_64-linux-gnu/libc.so.6(+0x36da0) [0x7fca99143da0]
blender(MEM_lockfree_freeN+0x28) [0x120d698]
blender(RNA_path_full_property_py+0x72) [0x14621f2]
blender(WM_prop_pystring_assign+0x9e) [0x90379e]
blender() [0xa989ac]
blender() [0xa9ebb4]
blender() [0xaa6e5e]
blender() [0x8f61a3]
blender() [0x8f6528]
blender(wm_event_do_handlers+0x223) [0x8f6893]
blender(WM_main+0x18) [0x8ef008]
blender(main+0xd93) [0x8d54c3]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7fca9912eec5]
blender() [0x8ec714]

I run blender from terminal and it say crashing is about Segmentation fault.

My system is 64bit Ubuntu 14.10 (just updated). blender was installed on system before updating, but i remove it and reinstall after updating.

Can someone help me please?