$ LD_LIBRARY_PATH=build/lib/ lldb -- clasp --non-interactive --load run-main.lisp ... Process 595631 stopped * thread #1, name = 'clasp', stop reason = signal SIGSEGV: invalid address (fault address: 0x0) frame #0: 0x00007fffeaf6ec40 libLLVM.so.19.1`llvm::DataLayout::clear() + 128 libLLVM.so.19.1`llvm::DataLayout::clear: -> 0x7fffeaf6ec40 <+128>: movq (%rdi,%r12), %rcx 0x7fffeaf6ec44 <+132>: orq %rax, %rcx 0x7fffeaf6ec47 <+135>: cmpq $-0x1000, %rcx ; imm = 0xF000 0x7fffeaf6ec4e <+142>: jne 0x7fffeaf6ec5b ; <+155> (lldb) bt * thread #1, name = 'clasp', stop reason = signal SIGSEGV: invalid address (fault address: 0x0) * frame #0: 0x00007fffeaf6ec40 libLLVM.so.19.1`llvm::DataLayout::clear() + 128 frame #1: 0x00007ffff70125e9 libclasp.so`llvm::DataLayout::operator=(this=<unavailable>, DL=<unavailable>) at DataLayout.h:205:5 frame #2: 0x00007fffc92fbdab libgallium-25.2.8-0ubuntu0.24.04.1.so`___lldb_unnamed_symbol28330 + 539 frame #3: 0x00007fffc92eb6d3 libgallium-25.2.8-0ubuntu0.24.04.1.so`___lldb_unnamed_symbol28090 + 147 frame #4: 0x00007fffc9227812 libgallium-25.2.8-0ubuntu0.24.04.1.so`___lldb_unnamed_symbol27146 + 834 frame #5: 0x00007fffc91ae52d libgallium-25.2.8-0ubuntu0.24.04.1.so`___lldb_unnamed_symbol26504 + 237 frame #6: 0x00007fffc91b2e13 libgallium-25.2.8-0ubuntu0.24.04.1.so`___lldb_unnamed_symbol26527 + 2163 frame #7: 0x00007fffc91e5e2e libgallium-25.2.8-0ubuntu0.24.04.1.so`___lldb_unnamed_symbol26765 + 126 frame #8: 0x00007fffc91e94c3 libgallium-25.2.8-0ubuntu0.24.04.1.so`___lldb_unnamed_symbol26780 + 6595 frame #9: 0x00007fffc9835900 libgallium-25.2.8-0ubuntu0.24.04.1.so`___lldb_unnamed_symbol34625 + 1056 frame #10: 0x00007fffc984cba3 libgallium-25.2.8-0ubuntu0.24.04.1.so`___lldb_unnamed_symbol34649 + 563 frame #11: 0x00007fffc8f79f40 libgallium-25.2.8-0ubuntu0.24.04.1.so`___lldb_unnamed_symbol19790 + 12096 frame #12: 0x00007fffc8f7a97b libgallium-25.2.8-0ubuntu0.24.04.1.so`___lldb_unnamed_symbol19791 + 443 frame #13: 0x00007fffc8f7b383 libgallium-25.2.8-0ubuntu0.24.04.1.so`___lldb_unnamed_symbol19795 + 195 frame #14: 0x00007fffc89814ec libgallium-25.2.8-0ubuntu0.24.04.1.so`___lldb_unnamed_symbol4757 + 76 frame #15: 0x00007fffcc93c0d4 libwlroots-0.19.so`render_pass_submit(wlr_pass=0x0000555568221f80) at pass.c:60:3 frame #16: 0x00007fffcc9369f6 libwlroots-0.19.so`wlr_render_pass_submit(render_pass=0x0000555568221f80) at pass.c:14:9 frame #17: 0x00007fffcc97187b libwlroots-0.19.so`output_acquire_empty_buffer(output=0x0000555568675ca0, state=0x00007fffffffa170) at render.c:71:7 frame #18: 0x00007fffcc971a0a libwlroots-0.19.so`output_ensure_buffer(output=0x0000555568675ca0, state=0x00007fffffffa170, new_buffer=0x00007fffffffa16b) at render.c:124:30 frame #19: 0x00007fffcc970c3c libwlroots-0.19.so`wlr_output_commit_state(output=0x0000555568675ca0, state=0x00007fffffffa288) at output.c:776:7 frame #20: 0x00007ffff7fb4319 libheart.so`handle_new_output(listener=0x000055556327cb38, data=0x0000555568675ca0) at output.c:172:10 frame #21: 0x00007ffff5e8010c libwayland-server.so.0`wl_signal_emit_mutable(signal=<unavailable>, data=0x0000555568675ca0) at wayland-server.c:2332:3 frame #22: 0x00007fffcc95b747 libwlroots-0.19.so`new_output_reemit(listener=0x00005555645a0f78, data=0x0000555568675ca0) at backend.c:189:2 frame #23: 0x00007ffff5e8010c libwayland-server.so.0`wl_signal_emit_mutable(signal=<unavailable>, data=0x0000555568675ca0) at wayland-server.c:2332:3 frame #24: 0x00007fffcc9623e9 libwlroots-0.19.so`output_start(output=0x0000555568675ca0) at output.c:1147:2 frame #25: 0x00007fffcc9627d1 libwlroots-0.19.so`wlr_wl_output_create(wlr_backend=0x000055556593ce60) at output.c:1220:2 frame #26: 0x00007fffcc95d534 libwlroots-0.19.so`backend_start(backend=0x000055556593ce60) at backend.c:466:3 frame #27: 0x00007fffcc94500b libwlroots-0.19.so`wlr_backend_start(backend=0x000055556593ce60) at backend.c:57:10 frame #28: 0x00007fffcc95b0b1 libwlroots-0.19.so`multi_backend_start(wlr_backend=0x0000555568d2fdc0) at backend.c:31:8 frame #29: 0x00007fffcc94500b libwlroots-0.19.so`wlr_backend_start(backend=0x0000555568d2fdc0) at backend.c:57:10 frame #30: 0x00007ffff7fb5ab2 libheart.so`hrt_server_start(server=0x000055556327cae0) at server.c:108:10 frame #31: 0x00007fffd75c93bc JIT(0x555568c85000)`(CHAR (POINTER))-CALLER^KEYWORD^FN^^-lcl at -f89a97.repl-code:999902 frame #32: 0x00007fffd75c94a5 JIT(0x555568c85000)`(CHAR (POINTER))-CALLER^KEYWORD^FN^^-xep2 at -f89a97.repl-code:999909 frame #33: 0x00007fffd76e1c6c JIT(0x5555669b5000)`%%FOREIGN-FUNCALL^CROSS-CLASP.CLASP.CLASP-FFI^FN^^-lcl at -a0f788.fli.lisp:263:2 frame #34: 0x00007fffd76e1cf5 JIT(0x5555669b5000)`%%FOREIGN-FUNCALL^CROSS-CLASP.CLASP.CLASP-FFI^FN^^-xep at -a0f788.fli.lisp:262 

cat /etc/os-release NAME="Pop!_OS" VERSION="24.04 LTS" ID=pop ID_LIKE="ubuntu debian" PRETTY_NAME="Pop!_OS 24.04 LTS" VERSION_ID="24.04" HOME_URL="https://pop.system76.com" SUPPORT_URL="https://support.system76.com" BUG_REPORT_URL="https://github.com/pop-os/pop/issues" PRIVACY_POLICY_URL="https://system76.com/privacy" VERSION_CODENAME=noble UBUNTU_CODENAME=noble LOGO=distributor-logo-pop-os 

dpkg -l llvm-19 Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Architecture Description +++-==============-=========================-============-=========================================== ii llvm-19 1:19.1.1-1ubuntu1~24.04.2 amd64 Modular compiler and toolchain technologies