Blender crashes when subdividing the defailt cube (or anything else)

Crashing at:
- default cube, enter edit and hit subdivide two (or more) times
- plane, idem

giving this dump (and more)

*** glibc detected *** blender: double free or corruption (fasttop): 0x09d71e90 ***
======= Backtrace: =========
/lib/libc.so.6(+0x6e822)[0xb5e4b822]
/lib/libc.so.6(+0x6f4c2)[0xb5e4c4c2]
/lib/libc.so.6(cfree+0x6d)[0xb5e4f5ad]
/usr/lib/libstdc++.so.6(_ZdlPv+0x1f)[0xb74aa6af]
blender(_ZNSt8_Rb_treeIPvSt4pairIKS0_jESt10_Select1stIS3_ESt4lessIS0_ESaIS3_EE5eraseERS2_+0x94)[0x89798c4]
blender(_ZN13AUD_ReferenceI11AUD_IDeviceED1Ev+0xb0)[0x8979a50]
/lib/libc.so.6(+0x30c51)[0xb5e0dc51]
/lib/libc.so.6(+0x30cdd)[0xb5e0dcdd]
/usr/lib/xorg/modules/dri/i915_dri.so(_intel_batchbuffer_flush+0x297)[0xaf7b9cb7]
/usr/lib/xorg/modules/dri/i915_dri.so(intel_flush+0x60)[0xaf7d03d0]
/usr/lib/xorg/modules/dri/i915_dri.so(intelSpanRenderStart+0x1e)[0xaf7dcd4e]
/usr/lib/xorg/modules/dri/i915_dri.so(+0x45384)[0xaf7e0384]
/usr/lib/xorg/modules/dri/i915_dri.so(+0x427a8)[0xaf7dd7a8]
/usr/lib/libdricore.so(+0x11abba)[0xaf670bba]
/usr/lib/libdricore.so(+0x11c994)[0xaf672994]
/usr/lib/libdricore.so(_tnl_run_pipeline+0x12f)[0xaf66704f]
/usr/lib/xorg/modules/dri/i915_dri.so(+0x5abba)[0xaf7f5bba]
/usr/lib/libdricore.so(_tnl_draw_prims+0x8af)[0xaf66793f]
/usr/lib/libdricore.so(_tnl_vbo_draw_prims+0x81)[0xaf667fc1]
/usr/lib/libdricore.so(vbo_exec_vtx_flush+0x550)[0xaf65d680]
/usr/lib/libdricore.so(+0x101437)[0xaf657437]
/usr/lib/libdricore.so(vbo_exec_FlushVertices+0x2f)[0xaf65b3af]
/usr/lib/libdricore.so(_mesa_PopMatrix+0x101)[0xaf5cfde1]
blender(circ+0x77)[0x836af07]
blender[0x836c2a4]
blender(view3d_main_area_draw+0x653)[0x836ff63]
blender(ED_region_do_draw+0x34c)[0x8512a8c]
blender[0x82b8a72]
blender(wm_draw_update+0xa1b)[0x82b97ab]
blender(WM_main+0x38)[0x82b8368]
blender(main+0xbf1)[0x82aece1]
/lib/libc.so.6(__libc_start_main+0xf3)[0xb5df6243]
blender[0x82b5d01]

- add a UV sphere : "segmentation fault", no other messages

Stuff does'nt need to be attached to this message, Blender dies on the default stuff...

lshw dump available upon request.

Using this:

*-cpu
product: Intel(R) Pentium(R) 4 CPU 2.66GHz
vendor: Intel Corp.
physical id: 1
bus info: cpu@0
version: 15.2.7
size: 2650MHz
width: 32 bits
XFCE 4.8 on Arch Linux

Thanks

Thor