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ivmai / bdwgc

The Boehm-Demers-Weiser conservative C/C++ Garbage Collector (bdwgc, also known as bdw-gc, boehm-gc, libgc)
https://www.hboehm.info/gc/
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GC_move_long_link failed on Linux/x86_64 if redirect malloc and gc-debug #661

Open ivmai opened 2 months ago

ivmai commented 2 months ago

Source: release-7_4 (d50367e) Build: https://app.travis-ci.com/github/ivmai/bdwgc/jobs/625906318 Host: Ubuntu 16.04.7 LTS / x86_64 Compiler: gcc How to build/test: ./configure --enable-redirect-malloc --enable-gc-debug --enable-cplusplus --enable-gc-assertions && make -j check Occurrence: 1/3 Output (gctest.log):

GC Warning: USE_PROC_FOR_LIBRARIES + GC_LINUX_THREADS performs poorly.
GC_move_long_link(link,link) failed
Test failed

Probably relates to issue #288

ivmai commented 2 months ago

Alternative output:

GC_move_disappearing_link(link,link) failed
ivmai commented 2 months ago

Observed also on release-8_0 branch

ivmai commented 1 month ago

Probably same root cause. Source: master (393944646) Build: https://github.com/ivmai/bdwgc/actions/runs/11019026341/job/30600667442 Host: Linux/x86_64 Config: zig build -Dtarget=native -DBUILD_SHARED_LIBS=false -Dbuild_cord=true -Ddisable_handle_fork=false -Denable_cplusplus=true -Denable_gc_assertions=true -Denable_gc_debug=true -Denable_large_config=false -Denable_munmap=false -Denable_parallel_mark=true -Denable_redirect_malloc=true -Denable_rwlock=true -Denable_thread_local_alloc=true -Denable_threads=true -Denable_werror test Fail in weaktestmap

ivmai commented 1 month ago

Source: release-8_0 (3b723a0) Build: https://app.travis-ci.com/github/ivmai/bdwgc/jobs/627147530 Host: Ubuntu Xenial / x86_64 Config: CONF_OPTIONS="--enable-redirect-malloc --enable-gc-debug --enable-cplusplus --enable-gc-assertions" Ouput (gctest.log):

GC Warning: USE_PROC_FOR_LIBRARIES + GC_LINUX_THREADS performs poorly.
GC_move_long_link(link,link) failed