firefox-4.0-bin: program/ir_to_mesa.cpp :2253 : prog_src_register mesa_src_reg_from_ir_src_reg(ir_to_mesa_src_reg):  L'assertion « reg.index < (1 << 11) » a échoué.

Program received signal SIGABRT, Aborted.
0x00007fadde1a4ba5 in raise (sig=<value optimised out>)
    at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
64	../nptl/sysdeps/unix/sysv/linux/raise.c: Aucun fichier ou dossier de ce type.
	in ../nptl/sysdeps/unix/sysv/linux/raise.c
(gdb) bt
#0  0x00007fadde1a4ba5 in raise (sig=<value optimised out>)
    at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#1  0x00007fadde1a86b0 in abort () at abort.c:92
#2  0x00007fadde19da71 in __assert_fail (
    assertion=0x7fadbb576ae5 "reg.index < (1 << 11)", 
    file=<value optimised out>, line=2253, 
    function=0x7fadbb577040 "prog_src_register mesa_src_reg_from_ir_src_reg(ir_to_mesa_src_reg)") at assert.c:81
#3  0x00007fadbb52a72c in ?? () from /usr/lib/dri/libdricore.so
#4  0x00007fadbb531529 in _mesa_ir_link_shader ()
   from /usr/lib/dri/libdricore.so
#5  0x00007fadbb838aae in brw_link_shader () from /usr/lib/dri/i965_dri.so
#6  0x00007fadbb53209a in _mesa_glsl_link_shader ()
   from /usr/lib/dri/libdricore.so
#7  0x00007fade32bddbb in ?? () from /usr/lib/firefox-4.0-4.0b13pre/libxul.so
#8  0x00007fade369095b in ?? () from /usr/lib/firefox-4.0-4.0b13pre/libxul.so
#9  0x00007fade3d91575 in ?? () from /usr/lib/firefox-4.0-4.0b13pre/libxul.so
#10 0x00007fade3bc2e05 in ?? () from /usr/lib/firefox-4.0-4.0b13pre/libxul.so
#11 0x00007fade3bc3192 in ?? () from /usr/lib/firefox-4.0-4.0b13pre/libxul.so
#12 0x00007fade3bc3c7c in ?? () from /usr/lib/firefox-4.0-4.0b13pre/libxul.so
#13 0x00007fade3b51701 in JS_CallFunctionValue ()
   from /usr/lib/firefox-4.0-4.0b13pre/libxul.so
#14 0x00007fade33ce069 in ?? () from /usr/lib/firefox-4.0-4.0b13pre/libxul.so
---Type <return> to continue, or q <return> to quit---
#15 0x00007fade33ecf73 in ?? () from /usr/lib/firefox-4.0-4.0b13pre/libxul.so
#16 0x00007fade33ed27a in ?? () from /usr/lib/firefox-4.0-4.0b13pre/libxul.so
#17 0x00007fade3a66a87 in ?? () from /usr/lib/firefox-4.0-4.0b13pre/libxul.so
#18 0x00007fade3a66b51 in ?? () from /usr/lib/firefox-4.0-4.0b13pre/libxul.so
#19 0x00007fade3a63d54 in ?? () from /usr/lib/firefox-4.0-4.0b13pre/libxul.so
#20 0x00007fade3a30035 in ?? () from /usr/lib/firefox-4.0-4.0b13pre/libxul.so
#21 0x00007fade3967e94 in ?? () from /usr/lib/firefox-4.0-4.0b13pre/libxul.so
#22 0x00007fade3a95812 in ?? () from /usr/lib/firefox-4.0-4.0b13pre/libxul.so
#23 0x00007fade38b04e7 in ?? () from /usr/lib/firefox-4.0-4.0b13pre/libxul.so
#24 0x00007fade3765176 in ?? () from /usr/lib/firefox-4.0-4.0b13pre/libxul.so
#25 0x00007fade2f87816 in XRE_main ()
   from /usr/lib/firefox-4.0-4.0b13pre/libxul.so
#26 0x00007fade4d3ad51 in ?? ()
#27 0x00007fadde18fd8e in __libc_start_main (main=<value optimised out>, 
    argc=<value optimised out>, ubp_av=<value optimised out>, 
    init=<value optimised out>, fini=<value optimised out>, 
    rtld_fini=<value optimised out>, stack_end=0x7ffffb091a58)
    at libc-start.c:226