Public bug reported:
python segfaults if DBusMainLoop is used in multiple threads; e.g.:
#!/usr/bin/python3
import dbus
import sys
import threading
from gi.repository import GLib
from dbus.mainloop.glib import DBusGMainLoop
#DBusGMainLoop(set_as_default=True)
if __name__ == "__main__":
threading.Thread(target=GLib.MainLoop().run).start()
for r in range(1000):
print(".", flush=True, end="")
dbus.SessionBus(private=True, mainloop=DBusGMainLoop())
#dbus.SessionBus(private=True)
print("")
sys.exit(0)
$ ./test.py
.............Segmentation fault
It will also segfault if set_as_default is set to True, even without passing it
to the SessionBus's mainloop parameter.
** Affects: dbus-python (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1890753
Title:
DBusGMainLoop segfaults python if multi-threaded
Status in dbus-python package in Ubuntu:
New
Bug description:
python segfaults if DBusMainLoop is used in multiple threads; e.g.:
#!/usr/bin/python3
import dbus
import sys
import threading
from gi.repository import GLib
from dbus.mainloop.glib import DBusGMainLoop
#DBusGMainLoop(set_as_default=True)
if __name__ == "__main__":
threading.Thread(target=GLib.MainLoop().run).start()
for r in range(1000):
print(".", flush=True, end="")
dbus.SessionBus(private=True, mainloop=DBusGMainLoop())
#dbus.SessionBus(private=True)
print("")
sys.exit(0)
$ ./test.py
.............Segmentation fault
It will also segfault if set_as_default is set to True, even without passing
it to the SessionBus's mainloop parameter.
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https://bugs.launchpad.net/ubuntu/+source/dbus-python/+bug/1890753/+subscriptions
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