Moemenmohamed24 commented on issue #50919:
URL: https://github.com/apache/arrow/issues/50919#issuecomment-5391360563
I found the C level backtrace in the CI logs. It shows the crash happens on
a separate native thread , not the main Ruby thread and the call chain goes
through glib2's process_request to gobject-introspection's
rb_gi_callback_invoke , rb_funcallv_scope, then crashes.
this suggests it might be a threading issue, a GObject callback being
invoked from a background thread without properly acquiring Ruby's GVL, which
could be a bug in how gobject-introspection or glib2, invokes Ruby callbacks
from non-Ruby-registered threads.
I don't have a macOS machine to reproduce locally, but I had like to dig
into rb_gi_callback_invoke in the gobject introspection gem source to check the
thread safety handling. does this direction right to you?
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