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spack concretize hangs when installing cmake with a deprecated gcc #51279

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spack concretize hangs when installing cmake with a deprecated gcc#51279
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@AndreasGocht

Description

@AndreasGocht
AndreasGocht
opened on Sep 5, 2025

Steps to reproduce

Dear all,

I tried to install cmake using a deprecated gcc. However, the concretizer hangs when trying to concretize the following spack.yaml:

# This is a Spack Environment file.
#
# It describes a set of packages to be installed, along with
# configuration settings.
spack:
    # add package specs to the `specs` list
    specs:
        - [email protected]
        - cmake %[email protected]
    view: true
    concretizer:
        unify: when_possible

Shell command:

spack concretize --deprecated

This will run forever, and can't be interrupted using Ctrl+C, only sending SIGTERM (well it can if in debug and stacktrace mode.)

I created a small Docker example to reproduce the Issue:

https://github.com/AndreasGocht/spack-bug

I am using Ubuntu 24.04 on WSL .

Error message

spack --debug --stacktrace concretize --deprecated
lib/spack/spack/cmd/__init__.py:126 ==> [2025-09-05-15:30:10.893132] Imported concretize from built-in commands
lib/spack/spack/cmd/__init__.py:126 ==> [2025-09-05-15:30:10.893569] Imported concretize from built-in commands
lib/spack/spack/config.py:1217 ==> [2025-09-05-15:30:10.895964] Reading config from file /home/andreas/kunden/tu-freiberg/benchmark/test-spack/spack.yaml
lib/spack/spack/environment/environment.py:256 ==> [2025-09-05-15:30:10.896967] Deactivated environment '/home/andreas/kunden/tu-freiberg/benchmark/test-spack'
lib/spack/spack/config.py:1217 ==> [2025-09-05-15:30:10.898286] Reading config from file /home/andreas/spack/etc/spack/defaults/repos.yaml
lib/spack/spack/environment/environment.py:229 ==> [2025-09-05-15:30:10.901872] Using environment '/home/andreas/kunden/tu-freiberg/benchmark/test-spack'
lib/spack/spack/config.py:1217 ==> [2025-09-05-15:30:10.902334] Reading config from file /home/andreas/spack/etc/spack/defaults/concretizer.yaml
lib/spack/spack/config.py:1217 ==> [2025-09-05-15:30:10.936641] Reading config from file /home/andreas/spack/etc/spack/defaults/base/packages.yaml
lib/spack/spack/config.py:1217 ==> [2025-09-05-15:30:10.975449] Reading config from file /home/andreas/.spack/packages.yaml
lib/spack/spack/database.py:610 ==> [2025-09-05-15:30:10.987165] DATABASE LOCK TIMEOUT: 60s
lib/spack/spack/store.py:179 ==> [2025-09-05-15:30:10.987459] PACKAGE LOCK TIMEOUT: No timeout
lib/spack/spack/config.py:1217 ==> [2025-09-05-15:30:10.987801] Reading config from file /home/andreas/spack/etc/spack/defaults/bootstrap.yaml
lib/spack/spack/environment/environment.py:256 ==> [2025-09-05-15:30:10.992186] Deactivated environment '/home/andreas/kunden/tu-freiberg/benchmark/test-spack'
lib/spack/spack/bootstrap/config.py:128 ==> [2025-09-05-15:30:10.992761] [BOOTSTRAP CONFIG SCOPE] name=_builtin
lib/spack/spack/config.py:1217 ==> [2025-09-05-15:30:10.993246] Reading config from file /home/andreas/spack/etc/spack/defaults/bootstrap.yaml
lib/spack/spack/bootstrap/config.py:137 ==> [2025-09-05-15:30:10.996734] [BOOTSTRAP CONFIG SCOPE] name=defaults, path=/home/andreas/spack/etc/spack/defaults
lib/spack/spack/bootstrap/config.py:137 ==> [2025-09-05-15:30:10.996889] [BOOTSTRAP CONFIG SCOPE] name=bootstrap, path=/home/andreas/.spack/bootstrap/config
lib/spack/spack/config.py:1217 ==> [2025-09-05-15:30:10.997113] Reading config from file /home/andreas/spack/etc/spack/defaults/include.yaml
lib/spack/spack/config.py:894 ==> [2025-09-05-15:30:10.998361] Creating DirectoryConfigScope defaults:linux for '/home/andreas/spack/etc/spack/defaults/linux'
lib/spack/spack/config.py:894 ==> [2025-09-05-15:30:10.998609] Creating DirectoryConfigScope defaults:base for '/home/andreas/spack/etc/spack/defaults/base'
lib/spack/spack/config.py:1217 ==> [2025-09-05-15:30:10.999465] Reading config from file /home/andreas/spack/etc/spack/defaults/config.yaml
lib/spack/spack/config.py:1217 ==> [2025-09-05-15:30:11.011164] Reading config from file /home/andreas/.spack/bootstrap/config/config.yaml
lib/spack/spack/database.py:610 ==> [2025-09-05-15:30:11.017735] DATABASE LOCK TIMEOUT: 60s
lib/spack/spack/store.py:179 ==> [2025-09-05-15:30:11.018016] PACKAGE LOCK TIMEOUT: No timeout
lib/spack/spack/config.py:1217 ==> [2025-09-05-15:30:11.087505] Reading config from file /home/andreas/spack/etc/spack/defaults/base/packages.yaml
lib/spack/spack/config.py:1217 ==> [2025-09-05-15:30:11.107995] Reading config from file /home/andreas/.spack/bootstrap/config/packages.yaml
lib/spack/spack/bootstrap/_common.py:239 ==> [2025-09-05-15:30:11.299150] [BOOTSTRAP ROOT SPEC] clingo-bootstrap@spack+python platform=linux target=x86_64
lib/spack/spack/bootstrap/core.py:358 ==> [2025-09-05-15:30:11.299350] [BOOTSTRAP MODULE clingo] Try importing from Python
lib/spack/spack/config.py:1217 ==> [2025-09-05-15:30:11.299778] Reading config from file /home/andreas/spack/etc/spack/defaults/bootstrap.yaml
lib/spack/spack/bootstrap/_common.py:97 ==> [2025-09-05-15:30:11.371315] [BOOTSTRAP MODULE clingo] The installed spec "clingo-bootstrap@spack+python platform=linux target=x86_64 ^[email protected]/et3twemsecqryfzl23e3cmsbca534dlo" provides the "clingo" Python module
lib/spack/spack/config.py:1217 ==> [2025-09-05-15:30:11.372376] Reading config from file /home/andreas/spack/etc/spack/defaults/config.yaml
lib/spack/spack/config.py:1217 ==> [2025-09-05-15:30:11.384105] Reading config from file /home/andreas/spack/etc/spack/defaults/repos.yaml
lib/spack/spack/environment/environment.py:229 ==> [2025-09-05-15:30:11.386953] Using environment '/home/andreas/kunden/tu-freiberg/benchmark/test-spack'
lib/spack/spack/config.py:1217 ==> [2025-09-05-15:30:11.390379] Reading config from file /home/andreas/spack/etc/spack/defaults/base/packages.yaml
lib/spack/spack/config.py:1217 ==> [2025-09-05-15:30:11.408387] Reading config from file /home/andreas/.spack/packages.yaml
lib/spack/spack/concretize.py:147 ==> [2025-09-05-15:30:11.412882] Starting concretization pool with 2 processes
lib/spack/spack/database.py:610 ==> [2025-09-05-15:30:11.424098] DATABASE LOCK TIMEOUT: 60s
lib/spack/spack/store.py:179 ==> [2025-09-05-15:30:11.424360] PACKAGE LOCK TIMEOUT: No timeout
lib/spack/spack/config.py:1217 ==> [2025-09-05-15:30:11.424673] Reading config from file /home/andreas/spack/etc/spack/defaults/concretizer.yaml
lib/spack/spack/database.py:610 ==> [2025-09-05-15:30:11.425212] DATABASE LOCK TIMEOUT: 60s
lib/spack/spack/store.py:179 ==> [2025-09-05-15:30:11.425420] PACKAGE LOCK TIMEOUT: No timeout
lib/spack/spack/config.py:1217 ==> [2025-09-05-15:30:11.425675] Reading config from file /home/andreas/spack/etc/spack/defaults/concretizer.yaml
lib/spack/spack/database.py:610 ==> [2025-09-05-15:30:11.505004] DATABASE LOCK TIMEOUT: 60s
lib/spack/spack/store.py:179 ==> [2025-09-05-15:30:11.505187] PACKAGE LOCK TIMEOUT: No timeout
lib/spack/spack/config.py:1217 ==> [2025-09-05-15:30:11.548271] Reading config from file /home/andreas/spack/etc/spack/defaults/mirrors.yaml
lib/spack/spack/solver/input_analysis.py:94 ==> [2025-09-05-15:30:11.593792] [spack.solver.input_analysis] msvc is not for this platform
lib/spack/spack/solver/input_analysis.py:94 ==> [2025-09-05-15:30:11.596398] [spack.solver.input_analysis] apple-clang is not for this platform
lib/spack/spack/database.py:610 ==> [2025-09-05-15:30:11.660314] DATABASE LOCK TIMEOUT: 60s
lib/spack/spack/store.py:179 ==> [2025-09-05-15:30:11.660641] PACKAGE LOCK TIMEOUT: No timeout
lib/spack/spack/solver/input_analysis.py:94 ==> [2025-09-05-15:30:11.763110] [spack.solver.input_analysis] apple-gl is not for this platform
lib/spack/spack/config.py:1217 ==> [2025-09-05-15:30:11.763156] Reading config from file /home/andreas/spack/etc/spack/defaults/mirrors.yaml
lib/spack/spack/solver/input_analysis.py:94 ==> [2025-09-05-15:30:11.765872] [spack.solver.input_analysis] wgl is not for this platform
lib/spack/spack/solver/input_analysis.py:94 ==> [2025-09-05-15:30:11.835389] [spack.solver.input_analysis] msmpi is not for this platform
lib/spack/spack/solver/input_analysis.py:94 ==> [2025-09-05-15:30:11.845077] [spack.solver.input_analysis] apple-gl is not for this platform
lib/spack/spack/solver/input_analysis.py:94 ==> [2025-09-05-15:30:11.848258] [spack.solver.input_analysis] wgl is not for this platform
lib/spack/spack/solver/input_analysis.py:94 ==> [2025-09-05-15:30:12.080954] [spack.solver.input_analysis] apple-libuuid is not for this platform
lib/spack/spack/solver/input_analysis.py:94 ==> [2025-09-05-15:30:12.161527] [spack.solver.input_analysis] apple-libuuid is not for this platform
lib/spack/spack/solver/input_analysis.py:94 ==> [2025-09-05-15:30:12.246876] [spack.solver.input_analysis] msmpi is not for this platform
lib/spack/spack/solver/input_analysis.py:94 ==> [2025-09-05-15:30:12.888310] [spack.solver.input_analysis] nvpl-blas is not for this platform
lib/spack/spack/solver/input_analysis.py:94 ==> [2025-09-05-15:30:12.896508] [spack.solver.input_analysis] veclibfort is not for this platform
lib/spack/spack/solver/input_analysis.py:94 ==> [2025-09-05-15:30:12.899646] [spack.solver.input_analysis] nvpl-lapack is not for this platform
lib/spack/spack/solver/input_analysis.py:94 ==> [2025-09-05-15:30:13.204694] [spack.solver.input_analysis] nvpl-blas is not for this platform
lib/spack/spack/solver/input_analysis.py:94 ==> [2025-09-05-15:30:13.212832] [spack.solver.input_analysis] veclibfort is not for this platform
lib/spack/spack/solver/input_analysis.py:94 ==> [2025-09-05-15:30:13.216416] [spack.solver.input_analysis] nvpl-lapack is not for this platform
lib/spack/spack/solver/input_analysis.py:94 ==> [2025-09-05-15:30:13.414173] [spack.solver.input_analysis] apple-libunwind is not for this platform
lib/spack/spack/solver/input_analysis.py:94 ==> [2025-09-05-15:30:13.429523] [spack.solver.input_analysis] msvc is not for this platform
lib/spack/spack/solver/input_analysis.py:94 ==> [2025-09-05-15:30:13.430363] [spack.solver.input_analysis] apple-clang is not for this platform
lib/spack/spack/solver/input_analysis.py:94 ==> [2025-09-05-15:30:13.540983] [spack.solver.input_analysis] apple-libunwind is not for this platform
lib/spack/spack/solver/input_analysis.py:94 ==> [2025-09-05-15:30:13.550277] [spack.solver.input_analysis] msvc is not for this platform
lib/spack/spack/solver/input_analysis.py:94 ==> [2025-09-05-15:30:13.550539] [spack.solver.input_analysis] apple-clang is not for this platform
lib/spack/spack/solver/asp.py:3822 ==> [2025-09-05-15:30:30.854482] UNKNOWN SYMBOL: attr("concrete_build_dependency", NodeArgument(id='0', pkg='gcc'), compiler-wrapper, t6blrefhztiomsijda43rpjs2ncp7zwc)
lib/spack/spack/solver/asp.py:3822 ==> [2025-09-05-15:30:30.854684] UNKNOWN SYMBOL: attr("variant_value", NodeArgument(id='0', pkg='gcc'), build_type, RelWithDebInfo)
lib/spack/spack/solver/asp.py:3822 ==> [2025-09-05-15:30:30.854786] UNKNOWN SYMBOL: attr("concrete_build_dependency", NodeArgument(id='0', pkg='gcc'), gawk, xqone4k66c6c47odlb5q7wrfna7jiiey)
lib/spack/spack/solver/asp.py:3822 ==> [2025-09-05-15:30:30.854879] UNKNOWN SYMBOL: attr("variant_value", NodeArgument(id='0', pkg='gcc'), graphite, False)
lib/spack/spack/solver/asp.py:3822 ==> [2025-09-05-15:30:30.854973] UNKNOWN SYMBOL: attr("needs_libc", NodeArgument(id='0', pkg='gcc'))
lib/spack/spack/solver/asp.py:3822 ==> [2025-09-05-15:30:30.855066] UNKNOWN SYMBOL: attr("concrete_build_dependency", NodeArgument(id='0', pkg='gcc'), diffutils, c6ve3clfu2ax443d4tv7u2h4lp7yrrjz)
lib/spack/spack/solver/asp.py:3822 ==> [2025-09-05-15:30:30.855235] UNKNOWN SYMBOL: attr("concrete_build_dependency", NodeArgument(id='0', pkg='gcc'), gcc, cvvkyt55qcemduloeyudzfjx77pz7j5x)
lib/spack/spack/solver/asp.py:3822 ==> [2025-09-05-15:30:30.855527] UNKNOWN SYMBOL: attr("concrete_build_dependency", NodeArgument(id='0', pkg='gcc'), gmake, jagpbgld425m64xikcmakxyd3o3mbnqq)
lib/spack/spack/solver/asp.py:3822 ==> [2025-09-05-15:30:30.855768] UNKNOWN SYMBOL: attr("variant_value", NodeArgument(id='0', pkg='gcc'), bootstrap, True)
lib/spack/spack/solver/asp.py:3822 ==> [2025-09-05-15:30:30.856010] UNKNOWN SYMBOL: attr("variant_value", NodeArgument(id='0', pkg='gcc'), piclibs, False)
lib/spack/spack/solver/asp.py:3822 ==> [2025-09-05-15:30:30.856284] UNKNOWN SYMBOL: attr("concrete_build_dependency", NodeArgument(id='0', pkg='gcc'), texinfo, rf3go47yacztji4b6ovcw743xymjurlf)
lib/spack/spack/solver/asp.py:3822 ==> [2025-09-05-15:30:30.856537] UNKNOWN SYMBOL: attr("compatible_runtime", NodeArgument(id='0', pkg='gcc'), gcc-runtime, 13.3.0:)
lib/spack/spack/solver/asp.py:3822 ==> [2025-09-05-15:30:30.856723] UNKNOWN SYMBOL: attr("variant_value", NodeArgument(id='0', pkg='gcc'), languages, fortran)
lib/spack/spack/solver/asp.py:3822 ==> [2025-09-05-15:30:30.856926] UNKNOWN SYMBOL: attr("variant_value", NodeArgument(id='0', pkg='gcc'), languages, c++)
lib/spack/spack/solver/asp.py:3822 ==> [2025-09-05-15:30:30.857107] UNKNOWN SYMBOL: attr("virtual_on_build_edge", NodeArgument(id='0', pkg='gcc'), gcc, cxx)
lib/spack/spack/solver/asp.py:3822 ==> [2025-09-05-15:30:30.857285] UNKNOWN SYMBOL: attr("variant_value", NodeArgument(id='0', pkg='gcc'), profiled, False)
lib/spack/spack/solver/asp.py:3822 ==> [2025-09-05-15:30:30.857462] UNKNOWN SYMBOL: attr("concrete_build_dependency", NodeArgument(id='0', pkg='gcc'), libtool, zlibhp3ccl4snpitws4gc5hymclrmobj)
lib/spack/spack/solver/asp.py:3822 ==> [2025-09-05-15:30:30.857640] UNKNOWN SYMBOL: attr("variant_value", NodeArgument(id='0', pkg='gcc'), strip, False)
lib/spack/spack/solver/asp.py:3822 ==> [2025-09-05-15:30:30.857817] UNKNOWN SYMBOL: attr("variant_value", NodeArgument(id='0', pkg='gcc'), nvptx, False)
lib/spack/spack/solver/asp.py:3822 ==> [2025-09-05-15:30:30.858005] UNKNOWN SYMBOL: attr("variant_value", NodeArgument(id='0', pkg='gcc'), binutils, False)
lib/spack/spack/solver/asp.py:3822 ==> [2025-09-05-15:30:30.858181] UNKNOWN SYMBOL: attr("concrete_build_dependency", NodeArgument(id='0', pkg='gcc'), perl, ww5cb7czbijktcgw4yslhkc5bntrnjej)
lib/spack/spack/solver/asp.py:3822 ==> [2025-09-05-15:30:30.858364] UNKNOWN SYMBOL: attr("variant_value", NodeArgument(id='0', pkg='gcc'), build_system, autotools)
lib/spack/spack/solver/asp.py:3822 ==> [2025-09-05-15:30:30.858543] UNKNOWN SYMBOL: attr("virtual_on_build_edge", NodeArgument(id='0', pkg='gcc'), gcc, c)
lib/spack/spack/solver/asp.py:3822 ==> [2025-09-05-15:30:30.858727] UNKNOWN SYMBOL: attr("variant_value", NodeArgument(id='0', pkg='gcc'), languages, c)
^CSignal received : entering python shell.
Traceback:
  File "/usr/lib/python3.12/threading.py", line 1030, in _bootstrap
    self._bootstrap_inner()
  File "/usr/lib/python3.12/threading.py", line 1073, in _bootstrap_inner
    self.run()
  File "/usr/lib/python3.12/threading.py", line 1010, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/lib/python3.12/multiprocessing/pool.py", line 516, in _handle_workers
    cls._maintain_pool(ctx, Process, processes, pool, inqueue,
  File "/usr/lib/python3.12/multiprocessing/pool.py", line 340, in _maintain_pool
    Pool._repopulate_pool_static(ctx, Process, processes, pool,
  File "/usr/lib/python3.12/multiprocessing/pool.py", line 329, in _repopulate_pool_static
    w.start()
  File "/usr/lib/python3.12/multiprocessing/process.py", line 121, in start
    self._popen = self._Popen(self)
  File "/usr/lib/python3.12/multiprocessing/context.py", line 282, in _Popen
    return Popen(process_obj)
  File "/usr/lib/python3.12/multiprocessing/popen_fork.py", line 19, in __init__
    self._launch(process_obj)
  File "/usr/lib/python3.12/multiprocessing/popen_fork.py", line 71, in _launch
    code = process_obj._bootstrap(parent_sentinel=child_r)
  File "/usr/lib/python3.12/multiprocessing/process.py", line 314, in _bootstrap
    self.run()
  File "/usr/lib/python3.12/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/lib/python3.12/multiprocessing/pool.py", line 114, in worker
    task = get()
  File "/usr/lib/python3.12/multiprocessing/queues.py", line 387, in get
    res = self._reader.recv_bytes()
  File "/usr/lib/python3.12/multiprocessing/connection.py", line 216, in recv_bytes
    buf = self._recv_bytes(maxlength)
  File "/usr/lib/python3.12/multiprocessing/connection.py", line 430, in _recv_bytes
    buf = self._recv(4)
  File "/usr/lib/python3.12/multiprocessing/connection.py", line 395, in _recv
    chunk = read(handle, remaining)

Signal received : entering python shell.
Traceback:
  File "/home/andreas/spack/bin/spack", line 49, in <module>
    sys.exit(main())
  File "/home/andreas/spack/lib/spack/spack/main.py", line 1095, in main
    return _main(argv)
  File "/home/andreas/spack/lib/spack/spack/main.py", line 1047, in _main
    return finish_parse_and_run(parser, cmd_name, args, env_format_error)
  File "/home/andreas/spack/lib/spack/spack/main.py", line 1078, in finish_parse_and_run
    return _invoke_command(command, parser, args, unknown)
  File "/home/andreas/spack/lib/spack/spack/main.py", line 591, in _invoke_command
    return_val = command(parser, args)
  File "/home/andreas/spack/lib/spack/spack/cmd/concretize.py", line 44, in concretize
    concretized_specs = env.concretize(tests=tests)
  File "/home/andreas/spack/lib/spack/spack/environment/environment.py", line 1491, in concretize
    return self._concretize_separately(tests=tests)
  File "/home/andreas/spack/lib/spack/spack/environment/environment.py", line 1641, in _concretize_separately
    concretized_specs = spack.concretize.concretize_separately(to_concretize, tests=tests)
  File "/home/andreas/spack/lib/spack/spack/concretize.py", line 149, in concretize_separately
    for j, (i, concrete, duration) in enumerate(
  File "/home/andreas/spack/lib/spack/spack/util/parallel.py", line 86, in imap_unordered
    for result in p.imap_unordered(Task(f), list_of_args):
  File "/usr/lib/python3.12/multiprocessing/pool.py", line 861, in next
    self._cond.wait(timeout)
  File "/usr/lib/python3.12/threading.py", line 355, in wait
    waiter.acquire()

>>>
now exiting InteractiveConsole...
>>> ^CSignal received : entering python shell.
Traceback:
  File "/home/andreas/spack/bin/spack", line 49, in <module>
    sys.exit(main())
  File "/home/andreas/spack/lib/spack/spack/main.py", line 1095, in main
    return _main(argv)
  File "/home/andreas/spack/lib/spack/spack/main.py", line 1047, in _main
    return finish_parse_and_run(parser, cmd_name, args, env_format_error)
  File "/home/andreas/spack/lib/spack/spack/main.py", line 1078, in finish_parse_and_run
    return _invoke_command(command, parser, args, unknown)
  File "/home/andreas/spack/lib/spack/spack/main.py", line 591, in _invoke_command
    return_val = command(parser, args)
  File "/home/andreas/spack/lib/spack/spack/cmd/concretize.py", line 44, in concretize
    concretized_specs = env.concretize(tests=tests)
  File "/home/andreas/spack/lib/spack/spack/environment/environment.py", line 1491, in concretize
    return self._concretize_separately(tests=tests)
  File "/home/andreas/spack/lib/spack/spack/environment/environment.py", line 1641, in _concretize_separately
    concretized_specs = spack.concretize.concretize_separately(to_concretize, tests=tests)
  File "/home/andreas/spack/lib/spack/spack/concretize.py", line 149, in concretize_separately
    for j, (i, concrete, duration) in enumerate(
  File "/home/andreas/spack/lib/spack/spack/util/parallel.py", line 86, in imap_unordered
    for result in p.imap_unordered(Task(f), list_of_args):
  File "/usr/lib/python3.12/multiprocessing/pool.py", line 861, in next
    self._cond.wait(timeout)
  File "/usr/lib/python3.12/threading.py", line 355, in wait
    waiter.acquire()
  File "/home/andreas/spack/lib/spack/spack/util/debug.py", line 30, in debug_handler
    i.interact(message)
  File "/usr/lib/python3.12/code.py", line 229, in interact
    line = self.raw_input(prompt)
  File "/usr/lib/python3.12/code.py", line 276, in raw_input
    return input(prompt)

Signal received : entering python shell.
Traceback:
  File "/usr/lib/python3.12/threading.py", line 1030, in _bootstrap
    self._bootstrap_inner()
  File "/usr/lib/python3.12/threading.py", line 1073, in _bootstrap_inner
    self.run()
  File "/usr/lib/python3.12/threading.py", line 1010, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/lib/python3.12/multiprocessing/pool.py", line 516, in _handle_workers
    cls._maintain_pool(ctx, Process, processes, pool, inqueue,
  File "/usr/lib/python3.12/multiprocessing/pool.py", line 340, in _maintain_pool
    Pool._repopulate_pool_static(ctx, Process, processes, pool,
  File "/usr/lib/python3.12/multiprocessing/pool.py", line 329, in _repopulate_pool_static
    w.start()
  File "/usr/lib/python3.12/multiprocessing/process.py", line 121, in start
    self._popen = self._Popen(self)
  File "/usr/lib/python3.12/multiprocessing/context.py", line 282, in _Popen
    return Popen(process_obj)
  File "/usr/lib/python3.12/multiprocessing/popen_fork.py", line 19, in __init__
    self._launch(process_obj)
  File "/usr/lib/python3.12/multiprocessing/popen_fork.py", line 71, in _launch
    code = process_obj._bootstrap(parent_sentinel=child_r)
  File "/usr/lib/python3.12/multiprocessing/process.py", line 314, in _bootstrap
    self.run()
  File "/usr/lib/python3.12/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/lib/python3.12/multiprocessing/pool.py", line 114, in worker
    task = get()
  File "/usr/lib/python3.12/multiprocessing/queues.py", line 386, in get
    with self._rlock:
  File "/usr/lib/python3.12/multiprocessing/synchronize.py", line 95, in __enter__
    return self._semlock.__enter__()

>>>
now exiting InteractiveConsole...
^CSignal received : entering python shell.
Traceback:
  File "/home/andreas/spack/bin/spack", line 49, in <module>
    sys.exit(main())
  File "/home/andreas/spack/lib/spack/spack/main.py", line 1095, in main
    return _main(argv)
  File "/home/andreas/spack/lib/spack/spack/main.py", line 1047, in _main
    return finish_parse_and_run(parser, cmd_name, args, env_format_error)
  File "/home/andreas/spack/lib/spack/spack/main.py", line 1078, in finish_parse_and_run
    return _invoke_command(command, parser, args, unknown)
  File "/home/andreas/spack/lib/spack/spack/main.py", line 591, in _invoke_command
    return_val = command(parser, args)
  File "/home/andreas/spack/lib/spack/spack/cmd/concretize.py", line 44, in concretize
    concretized_specs = env.concretize(tests=tests)
  File "/home/andreas/spack/lib/spack/spack/environment/environment.py", line 1491, in concretize
    return self._concretize_separately(tests=tests)
  File "/home/andreas/spack/lib/spack/spack/environment/environment.py", line 1641, in _concretize_separately
    concretized_specs = spack.concretize.concretize_separately(to_concretize, tests=tests)
  File "/home/andreas/spack/lib/spack/spack/concretize.py", line 149, in concretize_separately
    for j, (i, concrete, duration) in enumerate(
  File "/home/andreas/spack/lib/spack/spack/util/parallel.py", line 83, in imap_unordered
    with multiprocessing.Pool(
  File "/usr/lib/python3.12/multiprocessing/pool.py", line 739, in __exit__
    self.terminate()
  File "/usr/lib/python3.12/multiprocessing/pool.py", line 657, in terminate
    self._terminate()
  File "/usr/lib/python3.12/multiprocessing/util.py", line 227, in __call__
    res = self._callback(*self._args, **self._kwargs)
  File "/usr/lib/python3.12/multiprocessing/pool.py", line 695, in _terminate_pool
    cls._help_stuff_finish(inqueue, task_handler, len(pool))
  File "/usr/lib/python3.12/multiprocessing/pool.py", line 675, in _help_stuff_finish
    inqueue._rlock.acquire()

>>> ^CSignal received : entering python shell.
Traceback:
  File "/home/andreas/spack/bin/spack", line 49, in <module>
    sys.exit(main())
  File "/home/andreas/spack/lib/spack/spack/main.py", line 1095, in main
    return _main(argv)
  File "/home/andreas/spack/lib/spack/spack/main.py", line 1047, in _main
    return finish_parse_and_run(parser, cmd_name, args, env_format_error)
  File "/home/andreas/spack/lib/spack/spack/main.py", line 1078, in finish_parse_and_run
    return _invoke_command(command, parser, args, unknown)
  File "/home/andreas/spack/lib/spack/spack/main.py", line 591, in _invoke_command
    return_val = command(parser, args)
  File "/home/andreas/spack/lib/spack/spack/cmd/concretize.py", line 44, in concretize
    concretized_specs = env.concretize(tests=tests)
  File "/home/andreas/spack/lib/spack/spack/environment/environment.py", line 1491, in concretize
    return self._concretize_separately(tests=tests)
  File "/home/andreas/spack/lib/spack/spack/environment/environment.py", line 1641, in _concretize_separately
    concretized_specs = spack.concretize.concretize_separately(to_concretize, tests=tests)
  File "/home/andreas/spack/lib/spack/spack/concretize.py", line 149, in concretize_separately
    for j, (i, concrete, duration) in enumerate(
  File "/home/andreas/spack/lib/spack/spack/util/parallel.py", line 83, in imap_unordered
    with multiprocessing.Pool(
  File "/usr/lib/python3.12/multiprocessing/pool.py", line 739, in __exit__
    self.terminate()
  File "/usr/lib/python3.12/multiprocessing/pool.py", line 657, in terminate
    self._terminate()
  File "/usr/lib/python3.12/multiprocessing/util.py", line 227, in __call__
    res = self._callback(*self._args, **self._kwargs)
  File "/usr/lib/python3.12/multiprocessing/pool.py", line 695, in _terminate_pool
    cls._help_stuff_finish(inqueue, task_handler, len(pool))
  File "/usr/lib/python3.12/multiprocessing/pool.py", line 675, in _help_stuff_finish
    inqueue._rlock.acquire()
  File "/home/andreas/spack/lib/spack/spack/util/debug.py", line 30, in debug_handler
    i.interact(message)
  File "/usr/lib/python3.12/code.py", line 229, in interact
    line = self.raw_input(prompt)
  File "/usr/lib/python3.12/code.py", line 276, in raw_input
    return input(prompt)

Traceback (most recent call last):
  File "/usr/lib/python3.12/multiprocessing/pool.py", line 856, in next
    item = self._items.popleft()
           ^^^^^^^^^^^^^^^^^^^^^
IndexError: pop from an empty deque

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/andreas/spack/lib/spack/spack/util/parallel.py", line 86, in imap_unordered
    for result in p.imap_unordered(Task(f), list_of_args):
  File "/usr/lib/python3.12/multiprocessing/pool.py", line 861, in next
    self._cond.wait(timeout)
  File "/usr/lib/python3.12/threading.py", line 355, in wait
    waiter.acquire()
  File "/home/andreas/spack/lib/spack/spack/util/debug.py", line 30, in debug_handler
    i.interact(message)
  File "/usr/lib/python3.12/code.py", line 229, in interact
    line = self.raw_input(prompt)
           ^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.12/code.py", line 276, in raw_input
    return input(prompt)
           ^^^^^^^^^^^^^
  File "/home/andreas/spack/lib/spack/spack/util/debug.py", line 30, in debug_handler
    i.interact(message)
  File "/usr/lib/python3.12/code.py", line 229, in interact
    line = self.raw_input(prompt)
           ^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.12/code.py", line 276, in raw_input
    return input(prompt)
           ^^^^^^^^^^^^^
RuntimeError: can't re-enter readline

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/andreas/spack/bin/spack", line 49, in <module>
    sys.exit(main())
             ^^^^^^
  File "/home/andreas/spack/lib/spack/spack/main.py", line 1095, in main
    return _main(argv)
           ^^^^^^^^^^^
  File "/home/andreas/spack/lib/spack/spack/main.py", line 1047, in _main
    return finish_parse_and_run(parser, cmd_name, args, env_format_error)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/andreas/spack/lib/spack/spack/main.py", line 1078, in finish_parse_and_run
    return _invoke_command(command, parser, args, unknown)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/andreas/spack/lib/spack/spack/main.py", line 591, in _invoke_command
    return_val = command(parser, args)
                 ^^^^^^^^^^^^^^^^^^^^^
  File "/home/andreas/spack/lib/spack/spack/cmd/concretize.py", line 44, in concretize
    concretized_specs = env.concretize(tests=tests)
                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/andreas/spack/lib/spack/spack/environment/environment.py", line 1491, in concretize
    return self._concretize_separately(tests=tests)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/andreas/spack/lib/spack/spack/environment/environment.py", line 1641, in _concretize_separately
    concretized_specs = spack.concretize.concretize_separately(to_concretize, tests=tests)
                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/andreas/spack/lib/spack/spack/concretize.py", line 149, in concretize_separately
    for j, (i, concrete, duration) in enumerate(
  File "/home/andreas/spack/lib/spack/spack/util/parallel.py", line 83, in imap_unordered
    with multiprocessing.Pool(
  File "/usr/lib/python3.12/multiprocessing/pool.py", line 739, in __exit__
    self.terminate()
  File "/usr/lib/python3.12/multiprocessing/pool.py", line 657, in terminate
    self._terminate()
  File "/usr/lib/python3.12/multiprocessing/util.py", line 227, in __call__
    res = self._callback(*self._args, **self._kwargs)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.12/multiprocessing/pool.py", line 695, in _terminate_pool
    cls._help_stuff_finish(inqueue, task_handler, len(pool))
  File "/usr/lib/python3.12/multiprocessing/pool.py", line 675, in _help_stuff_finish
    inqueue._rlock.acquire()
  File "/home/andreas/spack/lib/spack/spack/util/debug.py", line 30, in debug_handler
    i.interact(message)
  File "/usr/lib/python3.12/code.py", line 229, in interact
    line = self.raw_input(prompt)
           ^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.12/code.py", line 276, in raw_input
    return input(prompt)
           ^^^^^^^^^^^^^
  File "/home/andreas/spack/lib/spack/spack/util/debug.py", line 30, in debug_handler
    i.interact(message)
  File "/usr/lib/python3.12/code.py", line 229, in interact
    line = self.raw_input(prompt)
           ^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.12/code.py", line 276, in raw_input
    return input(prompt)
           ^^^^^^^^^^^^^
RuntimeError: can't re-enter readline

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  • I have run spack debug report and reported the version of Spack/Python/Platform
  • I have searched the issues of this repo and believe this is not a duplicate
  • I have run the failing commands in debug mode and reported the output

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