STINNER Victor <vstin...@redhat.com> added the comment: Attached bug.py reproduces the bug with a daemonic thread but without fork():
$ ./python bug.py ls coredpython: Python/pystate.c:589: PyThreadState_Clear: Assertion `tstate->exc_info->previous_item == NULL' failed. Aborted (core dumped) (You might have to run the script a few times to get the crash, it's not deterministic.) vstinner@apu$ gdb ./python -c coredump-python.24130 GNU gdb (GDB) Fedora 8.0.1-36.fc27 (..) Core was generated by `./python bug.py'. Program terminated with signal SIGABRT, Aborted. #0 0x00007f5136075660 in raise () from /lib64/libc.so.6 [Current thread is 1 (Thread 0x7f5136f64040 (LWP 24130))] (gdb) where #0 0x00007f5136075660 in raise () from /lib64/libc.so.6 #1 0x00007f5136076c41 in abort () from /lib64/libc.so.6 #2 0x00007f513606df7a in __assert_fail_base () from /lib64/libc.so.6 #3 0x00007f513606dff2 in __assert_fail () from /lib64/libc.so.6 #4 0x0000000000591dde in PyThreadState_Clear (tstate=0x1b7a430) at Python/pystate.c:589 #5 0x0000000000590274 in PyInterpreterState_Clear (interp=0x1b23930) at Python/pystate.c:204 #6 0x000000000058cf4c in Py_FinalizeEx () at Python/pylifecycle.c:1153 #7 0x00000000004257af in pymain_main (pymain=0x7ffe5f82f200) at Modules/main.c:2664 #8 0x0000000000425915 in _Py_UnixMain (argc=2, argv=0x7ffe5f82f448) at Modules/main.c:2697 #9 0x000000000041f1e7 in main (argc=2, argv=0x7ffe5f82f448) at ./Programs/python.c:15 (gdb) info threads Id Target Id Frame 1 Thread 0x7f5136f64040 (LWP 24130) 0x00007f5136075660 in raise () from /lib64/libc.so.6 * 2 Thread 0x7f512e8c6700 (LWP 24138) 0x00007f5136b56be6 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 3 Thread 0x7f512e0c5700 (LWP 24139) 0x00007f5136b56be6 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 4 Thread 0x7f512d8c4700 (LWP 24147) 0x00007f5136b56be6 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 5 Thread 0x7f512f0c7700 (LWP 24137) 0x00007f5136b56be6 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 (gdb) t 2 [Switching to thread 2 (Thread 0x7f512e8c6700 (LWP 24138))] #0 0x00007f5136b56be6 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 (gdb) where #0 0x00007f5136b56be6 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x000000000053458a in PyCOND_TIMEDWAIT (cond=0xa07248 <_PyRuntime+1224>, mut=0xa07278 <_PyRuntime+1272>, us=5000) at Python/condvar.h:90 #2 0x00000000005349a3 in take_gil (tstate=0x1b87980) at Python/ceval_gil.h:208 ---------- Added file: https://bugs.python.org/file47612/bug.py _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue33612> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
