New submission from Felix Yan <[email protected]>:
In my riscv64 build, test_thousand
(test.test_multiprocessing_forkserver.WithProcessesTestBarrier) always hangs on
some locking thing, and the compileall part during installation hangs the same
way. I am not sure if it's toolchain related or something else, though.
Some relevant versions:
Linux riscv64-unknown-linux-gnu
Python 3.8.4
glibc 2.31
gcc 10.1.0
configure switches:
./configure --prefix=/usr \
--enable-shared \
--with-computed-gotos \
--enable-optimizations \
--with-lto \
--enable-ipv6 \
--with-system-expat \
--with-dbmliborder=gdbm:ndbm \
--with-system-ffi \
--with-system-libmpdec \
--enable-loadable-sqlite-extensions \
--without-ensurepip
When Ctrl-C:
test_thousand (test.test_multiprocessing_forkserver.WithProcessesTestBarrier)
... ^CProcess Process-1305:
Traceback (most recent call last):
File "/build/python/src/Python-3.8.4/Lib/multiprocessing/process.py", line
315, in _bootstrap
self.run()
File "/build/python/src/Python-3.8.4/Lib/multiprocessing/process.py", line
108, in run
self._target(*self._args, **self._kwargs)
File "/build/python/src/Python-3.8.4/Lib/test/_test_multiprocessing.py", line
1970, in _test_thousand_f
barrier.wait()
File "/build/python/src/Python-3.8.4/Lib/threading.py", line 610, in wait
self._enter() # Block while the barrier drains.
File "/build/python/src/Python-3.8.4/Lib/threading.py", line 631, in _enter
self._cond.wait()
File "/build/python/src/Python-3.8.4/Lib/multiprocessing/synchronize.py",
line 261, in wait
return self._wait_semaphore.acquire(True, timeout)
KeyboardInterrupt
Process Process-1304:
Traceback (most recent call last):
File "/build/python/src/Python-3.8.4/Lib/multiprocessing/process.py", line
315, in _bootstrap
self.run()
File "/build/python/src/Python-3.8.4/Lib/multiprocessing/process.py", line
108, in run
self._target(*self._args, **self._kwargs)
File "/build/python/src/Python-3.8.4/Lib/test/_test_multiprocessing.py", line
1970, in _test_thousand_f
barrier.wait()
File "/build/python/src/Python-3.8.4/Lib/threading.py", line 610, in wait
self._enter() # Block while the barrier drains.
File "/build/python/src/Python-3.8.4/Lib/threading.py", line 631, in _enter
self._cond.wait()
File "/build/python/src/Python-3.8.4/Lib/multiprocessing/synchronize.py",
line 261, in wait
return self._wait_semaphore.acquire(True, timeout)
KeyboardInterrupt
Process Process-1306:
Traceback (most recent call last):
File "/build/python/src/Python-3.8.4/Lib/multiprocessing/process.py", line
315, in _bootstrap
self.run()
File "/build/python/src/Python-3.8.4/Lib/multiprocessing/process.py", line
108, in run
self._target(*self._args, **self._kwargs)
File "/build/python/src/Python-3.8.4/Lib/test/_test_multiprocessing.py", line
1970, in _test_thousand_f
barrier.wait()
File "/build/python/src/Python-3.8.4/Lib/threading.py", line 610, in wait
self._enter() # Block while the barrier drains.
File "/build/python/src/Python-3.8.4/Lib/threading.py", line 631, in _enter
self._cond.wait()
File "/build/python/src/Python-3.8.4/Lib/multiprocessing/synchronize.py",
line 261, in wait
return self._wait_semaphore.acquire(True, timeout)
KeyboardInterrupt
Process Process-1302:
Traceback (most recent call last):
File "/build/python/src/Python-3.8.4/Lib/multiprocessing/process.py", line
315, in _bootstrap
self.run()
File "/build/python/src/Python-3.8.4/Lib/multiprocessing/process.py", line
108, in run
self._target(*self._args, **self._kwargs)
File "/build/python/src/Python-3.8.4/Lib/test/_test_multiprocessing.py", line
1970, in _test_thousand_f
barrier.wait()
File "/build/python/src/Python-3.8.4/Lib/threading.py", line 610, in wait
self._enter() # Block while the barrier drains.
File "/build/python/src/Python-3.8.4/Lib/threading.py", line 631, in _enter
self._cond.wait()
File "/build/python/src/Python-3.8.4/Lib/multiprocessing/synchronize.py",
line 261, in wait
return self._wait_semaphore.acquire(True, timeout)
KeyboardInterrupt
Process Process-1303:
Traceback (most recent call last):
File "/build/python/src/Python-3.8.4/Lib/multiprocessing/process.py", line
315, in _bootstrap
self.run()
File "/build/python/src/Python-3.8.4/Lib/multiprocessing/process.py", line
108, in run
self._target(*self._args, **self._kwargs)
File "/build/python/src/Python-3.8.4/Lib/test/_test_multiprocessing.py", line
1970, in _test_thousand_f
barrier.wait()
File "/build/python/src/Python-3.8.4/Lib/threading.py", line 610, in wait
self._enter() # Block while the barrier drains.
File "/build/python/src/Python-3.8.4/Lib/threading.py", line 631, in _enter
self._cond.wait()
File "/build/python/src/Python-3.8.4/Lib/multiprocessing/synchronize.py",
line 261, in wait
return self._wait_semaphore.acquire(True, timeout)
KeyboardInterrupt
Warning -- multiprocessing.process._dangling was modified by
test_multiprocessing_forkserver
Before: set()
After: {<weakref at 0x42d7274db0; to 'Process' at 0x42d608aaf0>, <weakref at
0x42d72746d0; to 'Process' at 0x42d608af10>, <weakref at 0x42d7274400; to
'Process' at 0x42d608a9a0>, <weakref at 0x42d7274d10; to 'Process' at
0x42d608abb0>, <weakref at 0x42d7274270; to 'Process' at 0x42d608a5e0>}
test_multiprocessing_fork passed in 1 min 46 sec
== Tests result: FAILURE, INTERRUPTED ==
Test suite interrupted by signal SIGINT.
----------
components: Library (Lib)
files: configure.output
messages: 374005
nosy: felixonmars
priority: normal
severity: normal
status: open
title: test_thousand and compileall hangs on riscv64
type: behavior
versions: Python 3.8
Added file: https://bugs.python.org/file49327/configure.output
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Python tracker <[email protected]>
<https://bugs.python.org/issue41346>
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