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https://issues.apache.org/jira/browse/DISPATCH-2144?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17499574#comment-17499574
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Jiri Daněk commented on DISPATCH-2144:
--------------------------------------
The commits above seem to fix most of the problems. It is possible that there
are still some INCREFs unprotected by the GIL... These will be caught with more
Python correctness fixes in the future.
> Fatal Python error: _PyMem_DebugMalloc: Python memory allocator called
> without holding the GIL
> ----------------------------------------------------------------------------------------------
>
> Key: DISPATCH-2144
> URL: https://issues.apache.org/jira/browse/DISPATCH-2144
> Project: Qpid Dispatch
> Issue Type: Bug
> Components: Policy Engine
> Affects Versions: 1.16.0
> Reporter: Jiri Daněk
> Assignee: Jiri Daněk
> Priority: Major
> Fix For: 1.19.0
>
>
> To reproduce, install python3-debug on Fedora, then use it to build and run
> Dispatch
> https://github.com/jiridanek/qpid-dispatch/runs/2629007367?check_suite_focus=true#step:25:7044
> {noformat}
> 25: Router QDR.Policy output file:
> 25: >>>>
> 25:
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/python/qpid_dispatch_internal/policy/policy_util.py:65:
> ResourceWarning: unclosed <socket.socket fd=3,
> family=AddressFamily.AF_INET6, type=SocketKind.SOCK_STREAM, proto=0,
> laddr=('::', 0, 0, 0)>
> 25: if is_ipv6_enabled():
> 25: ResourceWarning: Enable tracemalloc to get the object allocation traceback
> 25: Fatal Python error: _PyMem_DebugMalloc: Python memory allocator called
> without holding the GIL
> 25: Python runtime state: initialized
> 25:
> 25: Thread 0x00007f0e8fffcec0 (most recent call first):
> 25: <no Python frame>
> {noformat}
> Unrelated error in the same log that I noticed at random
> {noformat}
> 23: E /builddir/build/BUILD/Python-3.9.5/Modules/gcmodule.c:114:
> gc_decref: Assertion "gc_get_refs(g) > 0" failed: refcount is too small
> 23: E Enable tracemalloc to get the memory block allocation
> traceback
> 23: E
> 23: E object address : 0x7fd3e1b90cd0
> 23: E object refcount : 117
> 23: E object type : 0x7b6000095c30
> 23: E object type name: Agent
> 23: E object repr :
> <qpid_dispatch_internal.management.agent.Agent object at 0x7fd3e1b90cd0>
> 23: E
> 23: E Fatal Python error: _PyObject_AssertFailed:
> _PyObject_AssertFailed
> 23: E Python runtime state: initialized
> 23: E
> 23: E Current thread 0x00007fd3e39e3ec0 (most recent call first):
> 23: E <no Python frame>
> {noformat}
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