segfault running on a pi 5

[aphid]

I've gotten this working on a pi zero 2 w (albeit slowwwwwly), but while compilation works on a pi 5 I get the following output & errors when running it:

[0 V3D 7.1.10.2] queueC=0[1] queueG=0[1] queueT=0[1]
[0 V3D 7.1.10.2] bugsbn1=0 bugbilz=0 bugcopc=0 bugihfa=0
[0 V3D 7.1.10.2] fp16-p/s/a=1/1/0 int8-p/s/a=1/1/0
[0 V3D 7.1.10.2] subgroup=16 basic=1 vote=1 ballot=1 shuffle=1
[1 llvmpipe (LLVM 19.1.7, 128 bits)] queueC=0[1] queueG=0[1] queueT=0[1]
[1 llvmpipe (LLVM 19.1.7, 128 bits)] bugsbn1=0 bugbilz=0 bugcopc=0 bugihfa=0
[1 llvmpipe (LLVM 19.1.7, 128 bits)] fp16-p/s/a=1/1/1 int8-p/s/a=1/1/1
[1 llvmpipe (LLVM 19.1.7, 128 bits)] subgroup=4 basic=1 vote=1 ballot=1 shuffle=1
Failed to pack instruction 138:
utof t233.l, t232; thrsw
Failed to compile MESA_SHADER_COMPUTE prog 32/0 with any strategy.
MESA: error: Failed to compile MESA_SHADER_COMPUTE prog 32 NIR to VIR
vkCreateComputePipelines failed -13
new_pipeline failed
Segmentation fault