[Bug 294359] lang/ruby40: constantly crashing at different locations

Reply: bugzilla-noreply_a_freebsd.org: "maintainer-feedback requested: [Bug 294359] lang/ruby40: constantly crashing at different locations"
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From: <bugzilla-noreply_at_freebsd.org>
Date: Thu, 09 Apr 2026 14:14:11 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=294359

            Bug ID: 294359
           Summary: lang/ruby40: constantly crashing at different
                    locations
           Product: Ports & Packages
           Version: Latest
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: ruby@FreeBSD.org
          Reporter: pmc@citylink.dinoex.sub.org
          Assignee: ruby@FreeBSD.org
             Flags: maintainer-feedback?(ruby@FreeBSD.org)

After upgrading lang/ruby40 to ruby 4.0.1, my Rails applications start to crash
all the time, at different locations. 
(Running FreeBSD 14.4)

Trying 4.0.0 shows the same behaviour, but allows coredumps (which are disabled
in 4.0.1), reverting to 4.0.0.preview2 seems to solve the issue.

I tried to report this directly to ruby, but I am not allowed to:
bugs.ruby-lang.org does not send any confirmation email, and ml.ruby-lang.org
does send a confirmation email but then ignores all further messages.

This is how the crash reports look like (example):

Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
/ext/gems/4.0/gems/activesupport-8.0.1/lib/active_support/core_ext/date/calculations.rb:156:
[BUG] Segmentation fault at 0x0000000000000000
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]: ruby 4.0.1
(2026-01-13 revision e04267a14b) +PRISM [amd64-freebsd14]
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]: -- Control frame
information -----------------------------------------------
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]: c:0017 p:----
s:0112 e:000111 l:y b:---- CFUNC  :<=>
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]: c:0016 p:0021
s:0107 e:000106 l:y b:0001 METHOD
/ext/gems/4.0/gems/activesupport-8.0.1/lib/active_support/core_ext/date/calculations.rb:156
[FINISH]
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]: c:0015 p:----
s:0102 e:000101 l:y b:---- CFUNC  :<
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]: c:0014 p:0150
s:0097 e:000096 l:y b:0001 METHOD
/ext/rapp/fin_prod/releases/20260408164852/app/jobs/quote_fetch_job.rb:28
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]: c:0013 p:0053
s:0084 e:000083 l:y b:0001 METHOD
/ext/gems/4.0/gems/que-2.4.1/lib/que/job_methods.rb:51
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]: c:0012 p:0003
s:0073 e:000072 l:y b:0001 METHOD <internal:kernel>:91
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]: c:0011 p:0007
s:0069 e:000068 l:n b:---- BLOCK 
/ext/gems/4.0/gems/que-2.4.1/lib/que/worker.rb:103
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]: c:0010 p:0002
s:0066 e:000065 l:n b:---- BLOCK  (eval at
/ext/gems/4.0/gems/que-2.4.1/lib/que/utils/middleware.rb:14):11
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]: c:0009 p:0027
s:0063 e:000062 l:y b:0001 METHOD
/ext/gems/4.0/gems/que-2.4.1/lib/que/utils/middleware.rb:41
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]: c:0008 p:0011
s:0053 e:000052 l:n b:---- BLOCK 
/ext/gems/4.0/gems/que-2.4.1/lib/que/utils/middleware.rb:37
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]: c:0007 p:0002
s:0050 e:000049 l:y b:0001 METHOD
/ext/gems/4.0/gems/que-2.4.1/lib/que/active_record/connection.rb:33
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]: c:0006 p:0021
s:0045 e:000044 l:y b:0001 METHOD
/ext/gems/4.0/gems/que-2.4.1/lib/que/utils/middleware.rb:36
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]: c:0005 p:0024
s:0035 e:000034 l:y b:0001 METHOD (eval at
/ext/gems/4.0/gems/que-2.4.1/lib/que/utils/middleware.rb:14):11
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]: c:0004 p:0050
s:0029 e:000028 l:y b:0001 METHOD
/ext/gems/4.0/gems/que-2.4.1/lib/que/worker.rb:103
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]: c:0003 p:0068
s:0012 e:000011 l:y b:0001 METHOD
/ext/gems/4.0/gems/que-2.4.1/lib/que/worker.rb:76
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]: c:0002 p:0026
s:0006 e:000005 l:n b:---- BLOCK 
/ext/gems/4.0/gems/que-2.4.1/lib/que/worker.rb:46 [FINISH]
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]: c:0001 p:----
s:0003 e:000002 l:y b:---- DUMMY  [FINISH]
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]: -- Ruby level
backtrace information ----------------------------------------
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
/ext/gems/4.0/gems/que-2.4.1/lib/que/worker.rb:46:in 'block in initialize'
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
/ext/gems/4.0/gems/que-2.4.1/lib/que/worker.rb:76:in 'work_loop'
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
/ext/gems/4.0/gems/que-2.4.1/lib/que/worker.rb:103:in 'work_job'
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]: (eval at
/ext/gems/4.0/gems/que-2.4.1/lib/que/utils/middleware.rb:14):11:in
'run_job_middleware'
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
/ext/gems/4.0/gems/que-2.4.1/lib/que/utils/middleware.rb:36:in
'invoke_middleware'
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
/ext/gems/4.0/gems/que-2.4.1/lib/que/active_record/connection.rb:33:in 'call'
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
/ext/gems/4.0/gems/que-2.4.1/lib/que/utils/middleware.rb:37:in 'block in
invoke_middleware'
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
/ext/gems/4.0/gems/que-2.4.1/lib/que/utils/middleware.rb:41:in
'invoke_middleware'
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]: (eval at
/ext/gems/4.0/gems/que-2.4.1/lib/que/utils/middleware.rb:14):11:in 'block in
run_job_middleware'
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
/ext/gems/4.0/gems/que-2.4.1/lib/que/worker.rb:103:in 'block in work_job'
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
<internal:kernel>:91:in 'tap'
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
/ext/gems/4.0/gems/que-2.4.1/lib/que/job_methods.rb:51:in '_run'
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
/ext/rapp/fin_prod/releases/20260408164852/app/jobs/quote_fetch_job.rb:28:in
'run'
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
/ext/rapp/fin_prod/releases/20260408164852/app/jobs/quote_fetch_job.rb:28:in
'<'
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
/ext/gems/4.0/gems/activesupport-8.0.1/lib/active_support/core_ext/date/calculations.rb:156:in
'compare_with_coercion'
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
/ext/gems/4.0/gems/activesupport-8.0.1/lib/active_support/core_ext/date/calculations.rb:156:in
'<=>'
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]: -- Threading
information ---------------------------------------------------
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]: Total ractor count:
1
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]: Ruby thread count
for this ractor: 6
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]: -- C level
backtrace information -------------------------------------------
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
/usr/local/lib/libruby40.so.40(rb_profile_frame_full_label+0x233e)
[0x822ec5e2e]
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
/usr/local/lib/libruby40.so.40(rb_bug_reporter_add) [0x822cc5b00]
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
/usr/local/lib/libruby40.so.40(ruby_sig_finalize) [0x822e09934]
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
/lib/libthr.so.3(pthread_sigmask+0x556) [0x8294dba16]
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
/lib/libthr.so.3(pthread_signals_unblock_np) [0x8294daf0a]
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]: [0x821b682d3]
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
/usr/local/lib/libruby40.so.40(rb_gc_adjust_memory_usage) [0x822cf7e5e]
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
/usr/local/lib/libruby40.so.40(rb_gc_writebarrier+0xdd) [0x822ce66fd]
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
/ext/gems/4.0/gems/date-3.5.1/lib/date_core.so(Init_date_core+0x145)
[0x830904b65]
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
/ext/gems/4.0/gems/date-3.5.1/lib/date_core.so(Init_date_core+0xa5)
[0x8308f5655]
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
/usr/local/lib/libruby40.so.40(ruby_free_at_exit_p) [0x822eb5106]
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
/usr/local/lib/libruby40.so.40(rb_error_arity) [0x822e97827]
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
/usr/local/lib/libruby40.so.40(rb_error_arity) [0x822e90b08]
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
/usr/local/lib/libruby40.so.40(rb_check_funcall) [0x822ea0571]
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
/usr/local/lib/libruby40.so.40(rb_scan_args_kw) [0x822c33448]
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
/usr/local/lib/libruby40.so.40(ruby_free_at_exit_p) [0x822eb5106]
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
/usr/local/lib/libruby40.so.40(rb_error_arity) [0x822e97827]
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
/usr/local/lib/libruby40.so.40(rb_error_arity) [0x822e90b9b]
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
/usr/local/lib/libruby40.so.40(rb_proc_ractor_make_shareable) [0x822ea6e94]
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
/usr/local/lib/libruby40.so.40(rb_proc_ractor_make_shareable) [0x822ea62fa]
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
/usr/local/lib/libruby40.so.40(rb_internal_thread_specific_set) [0x822e607ec]
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
/usr/local/lib/libruby40.so.40(rb_internal_thread_specific_set) [0x822e5ff39]
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
/usr/local/lib/libruby40.so.40(rb_internal_thread_specific_set) [0x822e5fa01]
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
/lib/libthr.so.3(pthread_create) [0x8294d1d68]
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]: -- Other runtime
information -----------------------------------------------
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]: * Loaded script:
/ext/gems/4.0/bin/que
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]:
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]: * Ruby Box:
disabled
Apr  9 00:30:24 <daemon.notice> rail rails-fin_prod[73556]: * Loaded features:
[etc.etc.]

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