Here's the Traceback:
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/aptdaemon/gtk3widgets.py", line 454, in
_on_clicked
transaction.cancel()
File "/usr/lib/python3/dist-packages/defer/utils.py", line 107, in _deferable
return func(*args, **kwargs)
File "/usr/lib/python3/dist-packages/aptdaemon/errors.py", line 200, in
_convert_dbus_exception
raise get_native_exception(error)
File "/usr/lib/python3/dist-packages/aptdaemon/errors.py", line 198, in
_convert_dbus_exception
return func(*args, **kwargs)
File "/usr/lib/python3/dist-packages/aptdaemon/client.py", line 778, in cancel
error_handler=error_handler)
File "/usr/lib/python3/dist-packages/dbus/proxies.py", line 145, in __call__
**keywords)
File "/usr/lib/python3/dist-packages/dbus/connection.py", line 651, in
call_blocking
message, timeout)
dbus.exceptions.DBusException: org.freedesktop.DBus.Python.RuntimeError:
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/aptdaemon/lock.py", line 176, in
wait_for_lock
acquire()
File "/usr/lib/python3/dist-packages/aptdaemon/lock.py", line 136, in acquire
lock.acquire()
File "/usr/lib/python3/dist-packages/aptdaemon/lock.py", line 75, in acquire
raise LockFailedError(self.path, process)
aptdaemon.lock.LockFailedError: Could not acquire lock on
/var/lib/apt/lists/lock. The lock is hold by apt-get.
** Changed in: update-manager (Ubuntu)
Status: New => Confirmed
** Changed in: update-manager (Ubuntu)
Importance: Undecided => High
** Also affects: update-manager (Ubuntu Disco)
Importance: High
Status: Confirmed
** Tags removed: rls-dd-incoming
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https://bugs.launchpad.net/bugs/1811695
Title:
/usr/bin/update-
manager:RuntimeError(org.freedesktop.DBus.Python.RuntimeError):_on_clicked:_deferable:_convert_dbus_exception:_convert_dbus_exception:cancel:__call__:call_blocking:wait_for_lock:acquire:acquire:_inline_callbacks:get_uid_from_dbus_name:return_value:_inline_callbacks:_cancel:_inline_callbacks
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