The recent derivation for the guix-data-service built with Guile 3.0.8 seems to often segfault when running the tests (see the failed builds here [1]). 1: https://data.guix.gnu.org/gnu/store/qzxq38kpd2vrpj1xwgd5i3gjdkmmxmn1-guix-data-service-0.0.1-29.4a1088c.drv With some help from IRC, I managed to get a core dump: Core was generated by `/gnu/store/jjl6sa1bhjpj9cssi80yr4h8ihdgk34z-guile-3.0.8/bin/guile --no-auto-com'. Program terminated with signal SIGSEGV, Segmentation fault. #0 0x00007ffff0720496 in ?? () [Current thread is 1 (LWP 2505)] (gdb) bt #0 0x00007ffff0720496 in ?? () #1 0x0000000000436488 in ?? () #2 0x00007ffff19eb180 in ?? () #3 0x00007fffea6ac858 in ?? () #4 0x00007ffff7ee7ccc in scm_jit_enter_mcode (thread=0x7ffff75c8d80, mcode=0x439154 ) at jit.c:6038 #5 0x00007ffff7f3cf3c in vm_regular_engine (thread=0x7ffff75c8d80) at vm-engine.c:360 #6 0x00007ffff7f4a5e9 in scm_call_n (proc=, argv=, nargs=4) at vm.c:1608 #7 0x00007ffff7eb2144 in scm_call_4 (proc=, arg1=, arg2=, arg3=, arg4=) at eval.c:517 #8 0x00007ffff7eaedd0 in error_during_backtrace (data=0x7ffff1c2b080, tag=out-of-range, throw_args=0x7fffe5a9bb80) at backtrace.c:252 #9 0x00007ffff7f68821 in scm_c_with_exception_handler.constprop.0 (type=#t, handler_data=handler_data@entry=0x7fffffff98b0, thunk_data=thunk_data@entry=0x7fffffff98b0, thunk=, handler=) at exceptions.c:167 #10 0x00007ffff7f3a88f in scm_c_catch (tag=, body=, body_data=, handler=, handler_data=, pre_unwind_handler=pre_unwind_handler@entry=0x0, pre_unwind_handler_data=0x0) at throw.c:168 #11 0x00007ffff7f3a8ae in scm_internal_catch (tag=, body=, body_data=, handler=, handler_data=) at throw.c:177 #12 0x00007ffff7eaf005 in scm_display_backtrace_with_highlights (stack=stack@entry="#" = {...}, port=port@entry=# 7ffff1c2b080>, first=first@entry=#f, depth=depth@entry=#f, highlights=highlights@entry=()) at backtrace.c:277 #13 0x00007ffff7eaf080 in scm_backtrace_with_highlights (highlights=()) at backtrace.c:310 #14 0x00007ffff7f3d336 in vm_regular_engine (thread=0x7ffff75c8d80) at vm-engine.c:972 #15 0x00007ffff7f4a5e9 in scm_call_n (proc=, argv=, nargs=4) at vm.c:1608 #16 0x00007ffff7eb6571 in scm_apply_0 (proc=#, args=()) at eval.c:603 #17 0x00007ffff7f3bc8d in scm_throw (key=match-error, args=("match" "no matching pattern" x86_64-linux)) at throw.c:262 #18 0x00007ffff7edb239 in throw_ (key=, args=) at intrinsics.c:396 #19 0x00007ffff7f3f137 in vm_regular_engine (thread=0x7ffff75c8d80) at vm-engine.c:1183 #20 0x00007ffff7f4a5e9 in scm_call_n (proc=, argv=, nargs=1) at vm.c:1608 #21 0x00007ffff7eb2457 in scm_primitive_eval (exp=) at eval.c:671 #22 0x00007ffff7eeb239 in scm_primitive_load (filename=filename@entry="/tmp/guix-build-guix-data-service-0.0.1-29.4a1088c.drv-0/source/tests/jobs-load-new-guix-revision.scm") at load.c:131 #23 0x00007ffff7eedff0 in scm_primitive_load_path (args=) at load.c:1267 #24 0x00007ffff7f3d336 in vm_regular_engine (thread=0x7ffff75c8d80) at vm-engine.c:972 #25 0x00007ffff7f4a5e9 in scm_call_n (proc=, argv=, nargs=1) at vm.c:1608 #26 0x00007ffff7eb2457 in scm_primitive_eval (exp=, exp@entry=((@ (ice-9 control) %) (begin ((@@ (ice-9 command-line) load/lang) "./build-aux/test-driver.scm") (main (command-line)) (quit)))) at eval.c:671 #27 0x00007ffff7eb84b6 in scm_eval (exp=((@ (ice-9 control) %) (begin ((@@ (ice-9 command-line) load/lang) "./build-aux/test-driver.scm") (main (command-line)) (quit))), module_or_state="#" = {...}) at eval.c:705 #28 0x00007ffff7f1c3b6 in scm_shell (argc=19, argv=0x7fffffffa6d8) at script.c:357 #29 0x00007ffff7ec749c in invoke_main_func (body_data=0x7fffffffa590) at init.c:312 #30 0x00007ffff7eb085a in c_body (d=0x7fffffffa4b0) at continuations.c:430 #31 0x00007ffff7f3d336 in vm_regular_engine (thread=0x7ffff75c8d80) at vm-engine.c:972 #32 0x00007ffff7f4a5e9 in scm_call_n (proc=, argv=, nargs=2) at vm.c:1608 #33 0x00007ffff7eb209a in scm_call_2 (proc=, arg1=, arg2=) at eval.c:503 #34 0x00007ffff7f68752 in scm_c_with_exception_handler.constprop.0 (type=#t, handler_data=handler_data@entry=0x7fffffffa440, thunk_data=thunk_data@entry=0x7fffffffa440, thunk=, handler=) at exceptions.c:170 #35 0x00007ffff7f3a88f in scm_c_catch (tag=, body=, body_data=, handler=, handler_data=, pre_unwind_handler=, pre_unwind_handler_data=0x7ffff1c2b040) at throw.c:168 #36 0x00007ffff7eb2e66 in scm_i_with_continuation_barrier (pre_unwind_handler=0x7ffff7eb2b80 , pre_unwind_handler_data=0x7ffff1c2b040, handler_data=0x7fffffffa4b0, handler=0x7ffff7eb98b0 , body_data=0x7fffffffa4b0, body=0x7ffff7eb0850 ) at continuations.c:368 #37 scm_c_with_continuation_barrier (func=, data=) at continuations.c:464 #38 0x00007ffff7f39b39 in with_guile (base=0x7fffffffa538, data=0x7fffffffa560) at threads.c:645 #39 0x00007ffff7e100ba in GC_call_with_stack_base () from /gnu/store/2lczkxbdbzh4gk7wh91bzrqrk7h5g1dl-libgc-8.0.4/lib/libgc.so.1 #40 0x00007ffff7f328b8 in scm_i_with_guile (dynamic_state=, data=, func=) at threads.c:688 #41 scm_with_guile (func=, data=) at threads.c:694 #42 0x00007ffff7ed0025 in scm_boot_guile (argc=argc@entry=19, argv=argv@entry=0x7fffffffa6d8, main_func=main_func@entry=0x401230 , closure=closure@entry=0x0) at init.c:295 #43 0x00000000004010f7 in main (argc=19, argv=0x7fffffffa6d8) at guile.c:94