Issue #19248 has been updated by vo.x (Vit Ondruch). peterzhu2118 (Peter Zhu) wrote in #note-1:
Thank you for this bug report. Could you run this script and paste the output? It will help me to debug this issue.
~~~ $ make -C redhat-linux-build/ test-all TESTS="../test_19248.rb" make: Entering directory '/builddir/build/BUILD/ruby-3.2.0-6af6857ecf/redhat-linux-build' --- BEFORE COMPACT {:count=>8, :time=>19, :heap_allocated_pages=>325, :heap_sorted_length=>611, :heap_allocatable_pages=>99, :heap_available_slots=>275275, :heap_live_slots=>17572, :heap_free_slots=>257703, :heap_final_slots=>0, :heap_marked_slots=>17502, :heap_eden_pages=>325, :heap_tomb_pages=>0, :total_allocated_pages=>512, :total_freed_pages=>187, :total_allocated_objects=>72809, :total_freed_objects=>55237, :malloc_increase_bytes=>62760, :malloc_increase_bytes_limit=>16777216, :minor_gc_count=>3, :major_gc_count=>5, :compact_count=>1, :read_barrier_faults=>0, :total_moved_objects=>15899, :remembered_wb_unprotected_objects=>123, :remembered_wb_unprotected_objects_limit=>246, :old_objects=>16872, :old_objects_limit=>33744, :oldmalloc_increase_bytes=>62760, :oldmalloc_increase_bytes_limit=>16777216} {0=>{:slot_size=>40, :heap_allocatable_pages=>0, :heap_eden_pages=>85, :heap_eden_slots=>139182, :heap_tomb_pages=>0, :heap_tomb_slots=>0, :total_allocated_pages=>263, :total_freed_pages=>178, :force_major_gc_count=>0}, 1=>{:slot_size=>80, :heap_allocatable_pages=>0, :heap_eden_pages=>122, :heap_eden_slots=>99838, :heap_tomb_pages=>0, :heap_tomb_slots=>0, :total_allocated_pages=>131, :total_freed_pages=>9, :force_major_gc_count=>0}, 2=>{:slot_size=>160, :heap_allocatable_pages=>0, :heap_eden_pages=>68, :heap_eden_slots=>27799, :heap_tomb_pages=>0, :heap_tomb_slots=>0, :total_allocated_pages=>68, :total_freed_pages=>0, :force_major_gc_count=>0}, 3=>{:slot_size=>320, :heap_allocatable_pages=>17, :heap_eden_pages=>33, :heap_eden_slots=>6725, :heap_tomb_pages=>0, :heap_tomb_slots=>0, :total_allocated_pages=>33, :total_freed_pages=>0, :force_major_gc_count=>0}, 4=>{:slot_size=>640, :heap_allocatable_pages=>82, :heap_eden_pages=>17, :heap_eden_slots=>1731, :heap_tomb_pages=>0, :heap_tomb_slots=>0, :total_allocated_pages=>17, :total_freed_pages=>0, :force_major_gc_count=>0}} {"address":"0x7f6471b0fa68", "type":"OBJECT", "shape_id":134, "slot_size":40, "class":"0x7f646c568178", "ivars":10, "memsize":136, "flags":{"wb_protected":true}} {"address":"0x7f646ea5fbe8", "type":"OBJECT", "shape_id":144, "slot_size":160, "class":"0x7f646c568178", "ivars":10, "memsize":160, "flags":{"wb_protected":true}} --- AFTER COMPACT {:considered=>{:T_OBJECT=>541, :T_CLASS=>444, :T_MODULE=>44, :T_FLOAT=>3, :T_STRING=>7152, :T_REGEXP=>118, :T_ARRAY=>573, :T_HASH=>41, :T_STRUCT=>7, :T_BIGNUM=>30, :T_DATA=>277, :T_MATCH=>1, :T_SYMBOL=>8, :T_IMEMO=>7177, :T_ICLASS=>83}, :moved=>{:T_OBJECT=>541, :T_CLASS=>444, :T_MODULE=>44, :T_FLOAT=>3, :T_STRING=>7152, :T_REGEXP=>118, :T_ARRAY=>573, :T_HASH=>41, :T_STRUCT=>7, :T_BIGNUM=>30, :T_DATA=>277, :T_MATCH=>1, :T_SYMBOL=>2, :T_IMEMO=>7177, :T_ICLASS=>83}, :moved_up=>{}, :moved_down=>{:T_ARRAY=>1}} {:count=>10, :time=>37, :heap_allocated_pages=>618, :heap_sorted_length=>833, :heap_allocatable_pages=>65, :heap_available_slots=>516160, :heap_live_slots=>17639, :heap_free_slots=>498521, :heap_final_slots=>0, :heap_marked_slots=>17558, :heap_eden_pages=>618, :heap_tomb_pages=>0, :total_allocated_pages=>1005, :total_freed_pages=>387, :total_allocated_objects=>73081, :total_freed_objects=>55442, :malloc_increase_bytes=>3760, :malloc_increase_bytes_limit=>16777216, :minor_gc_count=>3, :major_gc_count=>7, :compact_count=>2, :read_barrier_faults=>0, :total_moved_objects=>32392, :remembered_wb_unprotected_objects=>123, :remembered_wb_unprotected_objects_limit=>246, :old_objects=>17427, :old_objects_limit=>34854, :oldmalloc_increase_bytes=>3760, :oldmalloc_increase_bytes_limit=>16777216} {0=>{:slot_size=>40, :heap_allocatable_pages=>0, :heap_eden_pages=>160, :heap_eden_slots=>261987, :heap_tomb_pages=>0, :heap_tomb_slots=>0, :total_allocated_pages=>513, :total_freed_pages=>353, :force_major_gc_count=>0}, 1=>{:slot_size=>80, :heap_allocatable_pages=>0, :heap_eden_pages=>222, :heap_eden_slots=>181663, :heap_tomb_pages=>0, :heap_tomb_slots=>0, :total_allocated_pages=>256, :total_freed_pages=>34, :force_major_gc_count=>0}, 2=>{:slot_size=>160, :heap_allocatable_pages=>0, :heap_eden_pages=>136, :heap_eden_slots=>55598, :heap_tomb_pages=>0, :heap_tomb_slots=>0, :total_allocated_pages=>136, :total_freed_pages=>0, :force_major_gc_count=>0}, 3=>{:slot_size=>320, :heap_allocatable_pages=>0, :heap_eden_pages=>66, :heap_eden_slots=>13450, :heap_tomb_pages=>0, :heap_tomb_slots=>0, :total_allocated_pages=>66, :total_freed_pages=>0, :force_major_gc_count=>0}, 4=>{:slot_size=>640, :heap_allocatable_pages=>65, :heap_eden_pages=>34, :heap_eden_slots=>3462, :heap_tomb_pages=>0, :heap_tomb_slots=>0, :total_allocated_pages=>34, :total_freed_pages=>0, :force_major_gc_count=>0}} {"address":"0x7f646bfaafb0", "type":"OBJECT", "shape_id":134, "slot_size":40, "class":"0x7f646b26ece8", "ivars":10, "memsize":136, "flags":{"wb_protected":true, "old":true, "uncollectible":true, "marked":true}} {"address":"0x7f646ea5fbe8", "type":"OBJECT", "shape_id":144, "slot_size":160, "class":"0x7f646b26ece8", "ivars":10, "memsize":160, "flags":{"wb_protected":true, "pinned":true}} Run options: --seed=23777 "--ruby=./miniruby -I/builddir/build/BUILD/ruby-3.2.0-6af6857ecf/lib -I. -I.ext/common /builddir/build/BUILD/ruby-3.2.0-6af6857ecf/tool/runruby.rb --extout=.ext -- --disable-gems" --excludes-dir=/builddir/build/BUILD/ruby-3.2.0-6af6857ecf/test/excludes --name=!/memory_leak/ # Running tests: Finished tests in 0.009343s, 0.0000 tests/s, 0.0000 assertions/s. 0 tests, 0 assertions, 0 failures, 0 errors, 0 skips ruby -v: ruby 3.2.0dev (2022-12-21 master 6af6857ecf) [x86_64-linux] make: Leaving directory '/builddir/build/BUILD/ruby-3.2.0-6af6857ecf/redhat-linux-build' ~~~ eightbitraptor (Matthew Valentine-House) wrote in #note-2:
is it consistent or intermittent?
It seems to be consistent. 5 failures out of 5 attempts: ~~~ $ make -C redhat-linux-build/ test-all TESTS="-v -n /TestGCCompact#test_moving_objects_between_size_pools/" make: Entering directory '/builddir/build/BUILD/ruby-3.2.0-6af6857ecf/redhat-linux-build' Run options: --seed=40875 "--ruby=./miniruby -I/builddir/build/BUILD/ruby-3.2.0-6af6857ecf/lib -I. -I.ext/common /builddir/build/BUILD/ruby-3.2.0-6af6857ecf/tool/runruby.rb --extout=.ext -- --disable-gems" --excludes-dir=/builddir/build/BUILD/ruby-3.2.0-6af6857ecf/test/excludes --name=!/memory_leak/ -v -n /TestGCCompact#test_moving_objects_between_size_pools/ # Running tests: [1/0] TestGCCompact#test_moving_objects_between_size_pools = 0.12 s 1) Error: TestGCCompact#test_moving_objects_between_size_pools: NoMethodError: undefined method `>=' for nil:NilClass /builddir/build/BUILD/ruby-3.2.0-6af6857ecf/test/ruby/test_gc_compact.rb:278:in `<main>' /builddir/build/BUILD/ruby-3.2.0-6af6857ecf/test/ruby/test_gc_compact.rb:256:in `test_moving_objects_between_size_pools' /builddir/build/BUILD/ruby-3.2.0-6af6857ecf/tool/test/runner.rb:23:in `<top (required)>' /builddir/build/BUILD/ruby-3.2.0-6af6857ecf/test/runner.rb:16:in `require_relative' /builddir/build/BUILD/ruby-3.2.0-6af6857ecf/test/runner.rb:16:in `<main>' Finished tests in 4.621852s, 0.2164 tests/s, 0.6491 assertions/s. 1 tests, 3 assertions, 0 failures, 1 errors, 0 skips ruby -v: ruby 3.2.0dev (2022-12-21 master 6af6857ecf) [x86_64-linux] make: *** [uncommon.mk:856: yes-test-all] Error 1 make: Leaving directory '/builddir/build/BUILD/ruby-3.2.0-6af6857ecf/redhat-linux-build' ~~~ ---------------------------------------- Bug #19248: TestGCCompact#test_moving_objects_between_size_pools test failure https://bugs.ruby-lang.org/issues/19248#change-100758 * Author: vo.x (Vit Ondruch) * Status: Open * Priority: Normal * ruby -v: ruby 3.2.0dev (2022-12-21 master 6af6857ecf) [x86_64-linux] * Backport: 2.7: UNKNOWN, 3.0: UNKNOWN, 3.1: UNKNOWN ---------------------------------------- Testing on Fedora Rawhide with commit:git|6af6857ecf, I observe the following error: ~~~ 1) Error: TestGCCompact#test_moving_objects_between_size_pools: NoMethodError: undefined method `>=' for nil:NilClass /builddir/build/BUILD/ruby-3.2.0-6af6857ecf/test/ruby/test_gc_compact.rb:278:in `<main>' /builddir/build/BUILD/ruby-3.2.0-6af6857ecf/test/ruby/test_gc_compact.rb:256:in `test_moving_objects_between_size_pools' /builddir/build/BUILD/ruby-3.2.0-6af6857ecf/tool/test/runner.rb:23:in `<top (required)>' /builddir/build/BUILD/ruby-3.2.0-6af6857ecf/test/runner.rb:16:in `require_relative' /builddir/build/BUILD/ruby-3.2.0-6af6857ecf/test/runner.rb:16:in `<main>' ~~~ Testing previously with commit:git|11acb7f7bc, everything was fine. I might just guess that this is related to commit:git|bfc66e07b7e0134dfa2041c311dc56941fe1caf0 -- https://bugs.ruby-lang.org/