Issue #21191 has been updated by alanwu (Alan Wu). Status changed from Open to Feedback Would you mind posting the report generated with RUBY_CRASH_REPORT? (See `man ruby`.) ---------------------------------------- Bug #21191: Ruby 3.4.2 crashes unexpectedly https://bugs.ruby-lang.org/issues/21191#change-112430 * Author: datanoise (Kent Sibilev) * Status: Feedback * ruby -v: ruby 3.4.2 (2025-02-15 revision d2930f8e7a) +PRISM [arm64-darwin24] * Backport: 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN, 3.4: UNKNOWN ---------------------------------------- Running my Rails app in development mode with Ruby 3.4.2 crashes with: Thread 15 Crashed:: puma srv tp 003 0 libsystem_kernel.dylib 0x19323f720 __pthread_kill + 8 1 libsystem_pthread.dylib 0x193277f70 pthread_kill + 288 2 libsystem_c.dylib 0x193184908 abort + 128 3 libruby.3.4.dylib 0x10176c30c die + 12 4 libruby.3.4.dylib 0x101a78e38 rb_bug + 32 5 libruby.3.4.dylib 0x101a49570 yjit::yjit::rb_bug_panic_hook::_$u7b$$u7b$closure$u7d$$u7d$::h0f4c55d7c8e55fcf + 340 6 libruby.3.4.dylib 0x1019d242c std::panicking::rust_panic_with_hook::h9a5dc30b684e2ff4 + 740 7 libruby.3.4.dylib 0x1019d2030 std::panicking::begin_panic_handler::_$u7b$$u7b$closure$u7d$$u7d$::hbcb5de8b840ae91c + 104 8 libruby.3.4.dylib 0x1019d1188 std::sys::backtrace::__rust_end_short_backtrace::ha657d4b4d65dc993 + 12 9 libruby.3.4.dylib 0x1019d1cdc rust_begin_unwind + 32 10 libruby.3.4.dylib 0x101a6a8c8 core::panicking::panic_fmt::hda207213c7ca0065 + 32 11 libruby.3.4.dylib 0x101a6a938 core::panicking::panic::h58f3db1cc4835fac + 52 12 libruby.3.4.dylib 0x1019f3330 yjit::codegen::jit_guard_known_klass::h231d0cbaae1c099c + 2852 13 libruby.3.4.dylib 0x1019ec404 yjit::codegen::gen_equality_specialized::h93a21f50d2816872 + 760 14 libruby.3.4.dylib 0x1019ec82c yjit::codegen::gen_opt_eq::h5396bf9fac489b74 + 36 15 libruby.3.4.dylib 0x1019df604 yjit::codegen::gen_single_block::h01cba096a3e9933d + 2996 16 libruby.3.4.dylib 0x101a200a8 yjit::core::gen_block_series::h1b8008b9e695e93a + 132 17 libruby.3.4.dylib 0x101a21fe0 yjit::core::branch_stub_hit_body::ha9f3b0e799953b26 + 916 18 libruby.3.4.dylib 0x101a3a390 yjit::stats::with_compile_time::hb64811b90dfb965e + 64 19 libruby.3.4.dylib 0x101a66088 yjit::cruby::with_vm_lock::hf301ea5cad023986 + 84 20 libruby.3.4.dylib 0x101a253e4 yjit::core::branch_stub_hit::h44174fb9640d7093 + 80 21 ??? 0x150002078 ??? 22 libruby.3.4.dylib 0x10190ad58 vm_exec_core + 9576 23 libruby.3.4.dylib 0x1019072d8 rb_vm_exec + 492 24 libruby.3.4.dylib 0x10192ed2c invoke_block_from_c_bh + 872 25 libruby.3.4.dylib 0x10192e46c catch_i + 108 26 libruby.3.4.dylib 0x101918e78 vm_catch_protect + 200 27 libruby.3.4.dylib 0x101919888 rb_f_catch + 112 28 ??? 0x1502acbe4 ??? 29 libruby.3.4.dylib 0x10190ad58 vm_exec_core + 9576 30 libruby.3.4.dylib 0x101907304 rb_vm_exec + 536 31 libruby.3.4.dylib 0x10191ba24 vm_invoke_proc + 712 32 libruby.3.4.dylib 0x1018db74c thread_do_start_proc + 668 33 libruby.3.4.dylib 0x1018dae18 thread_start_func_2 + 796 34 libruby.3.4.dylib 0x1018da994 nt_start + 248 35 libsystem_pthread.dylib 0x1932782e4 _pthread_start + 136 36 libsystem_pthread.dylib 0x1932730fc thread_start + 8 ---Files-------------------------------- ruby-2025-03-18-112226.ips (97.7 KB) -- https://bugs.ruby-lang.org/