This bug was fixed in the package apport - 2.3-0ubuntu3
---------------
apport (2.3-0ubuntu3) quantal; urgency=low
* Merge from trunk:
- apport_python_hook.py: For org.freedesktop.DBus.Error.ServiceUnknown
exceptions, add a 'DbusErrorAnalysis' field to the report which points
out whether any .service file provides the service it tried to talk to,
and whether the processes for those are running. This helps to determine
the root cause for such errors (missing dependencies, broken .service
files, talking to the wrong bus, etc.) (LP: #1020572)
- hookutils.py, attach_alsa(): Use alsa-info.sh when available. Thanks
David Henningson.
- ui tests, test_wait_for_pid(): Fix eternal hang when running as root.
- testsuite: Fix ResourceWarnings when running with Python 3.
* debian/control, debian/tests/control: Add gvfs-daemons as build/test
dependency, as test_python_crashes uses it as an example for handling
python-dbus exceptions.
-- Martin Pitt <[email protected]> Tue, 10 Jul 2012 14:58:45 +0200
** Branch linked: lp:~ubuntu-core-dev/ubuntu/quantal/apport/ubuntu
** Changed in: apport (Ubuntu)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1020572
Title:
Deal better with DBus.Error.ServiceUnknown errors
Status in “apport” package in Ubuntu:
Fix Released
Bug description:
Looking to errors.ubuntu.com we get a lot of DbusException errors on
some of our python services (jockey, oneconf, software-properties,
ubuntu-sso-client, ...)
Those bugs tend to:
- not be that useful to figure the real issue
- create lot of noise for users
- be sign of setup problem rather than software bugs
We should aim at making those bugs useful, if we can't make them
useful we should stop spamming the users about them since there is no
point to trigger system error dialogs when there is no visible error
and when the report sent is not useful
Taking a jockey issue as an example
"Traceback (most recent call last):
File "/usr/bin/jockey-gtk", line 418, in <module>
sys.exit(u.run())
File "/usr/lib/python2.7/dist-packages/jockey/ui.py", line 470, in run
self.backend().shutdown()
File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 145, in
__call__
**keywords)
File "/usr/lib/python2.7/dist-packages/dbus/connection.py", line 651, in
call_blocking
message, timeout)
DBusException: org.freedesktop.DBus.Error.ServiceUnknown: The name :1.68 was
not provided by any .service files"
That basically tells us the service dbus activation is buggy, but doesn't
really inform us on the issue....
Things we should be able to get infos on:
- is the target service installed and available (could be a missing depends)
- is the service running or does it fail to start for a reason (is there a
log we can check for details on the reason)
- your ideas...
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