It seems similar to Bug #899679
https://bugs.launchpad.net/ubuntu/+source/software-center/+bug/899679
The symptoms are the same but in addition Application lens doesn't work.
This appeared after:
1) upgrading Ubuntu 10.04 to 12.04 using Alternate CD, some packets were
updated from the Net. (PPA were disabled before the upgrade, "old" packages
were not removed);
At this point software center did crash sometimes. Not sure if Application lens
didn't work at this moment. Alt-F2 has been working.
2) updated software center using Synaptic.
Summary: software-center (or appliactions called by it) continue crash.
Application lens don't work.
Could not get error output when software-center was run on behalf of normal
(sudo)user. Being run as root it showed (LANG=RU-ru.utf8):
...
2012-05-02 20:42:48,749 - softwarecenter.ui.gtk3.widgets.exhibits - WARNING -
download failed: '<class 'gi._glib.GError'>', 'Действие не поддерживается'
Traceback (most recent call last):
File "/usr/share/software-center/softwarecenter/ui/gtk3/app.py", line 797, in
on_menuitem_reinstall_purchases_activate
self._login_via_dbus_sso()
File "/usr/share/software-center/softwarecenter/ui/gtk3/app.py", line 764, in
_login_via_dbus_sso
self._create_dbus_sso()
File "/usr/share/software-center/softwarecenter/ui/gtk3/app.py", line 760, in
_create_dbus_sso
help_text)
File "/usr/share/software-center/softwarecenter/backend/login_sso.py", line
163, in get_sso_backend
sso_class = LoginBackendDbusSSO(window_id, appname, help_text)
File "/usr/share/software-center/softwarecenter/backend/login_sso.py", line
48, in __init__
'com.ubuntu.sso', '/com/ubuntu/sso/credentials')
File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 241, in get_object
follow_name_owner_changes=follow_name_owner_changes)
File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 248, in __init__
self._named_service = conn.activate_name_owner(bus_name)
File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 180, in
activate_name_owner
self.start_service_by_name(bus_name)
File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 278, in
start_service_by_name
'su', (bus_name, flags)))
File "/usr/lib/python2.7/dist-packages/dbus/connection.py", line 651, in
call_blocking
message, timeout)
dbus.exceptions.DBusException: org.freedesktop.DBus.Error.Spawn.ChildExited:
Process /usr/lib/ubuntu-sso-client/ubuntu-sso-login exited with status 1
Could you please advice what to do to get this issue resolved?
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https://bugs.launchpad.net/bugs/976533
Title:
software centre won't work or repair
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