It seems that bamf fails on a dbus call sometimes which causes the icon to failed to load which causes a blank icon:
WARN 2012-06-08 13:39:23 unity <unknown>:0 Failed to fetch icon: No such interface `org.ayatana.bamf.view' on object at path /org/ayatana/bamf/application62801462
WARN 2012-06-08 13:39:23 unity <unknown>:0 Failed to fetch name: No such interface `org.ayatana.bamf.view' on object at path /org/ayatana/bamf/application62801462
WARN 2012-06-08 13:39:23 unity <unknown>:0 Unable to fetch children: No such interface `org.ayatana.bamf.view' on object at path /org/ayatana/bamf/application62801462
It seems that bamf fails on a dbus call sometimes which causes the icon to failed to load which causes a blank icon:
WARN 2012-06-08 13:39:23 unity <unknown>:0 Failed to fetch icon: No such interface `org.ayatana. bamf.view' on object at path /org/ayatana/ bamf/applicatio n62801462 bamf.view' on object at path /org/ayatana/ bamf/applicatio n62801462 bamf.view' on object at path /org/ayatana/ bamf/applicatio n62801462
WARN 2012-06-08 13:39:23 unity <unknown>:0 Failed to fetch name: No such interface `org.ayatana.
WARN 2012-06-08 13:39:23 unity <unknown>:0 Unable to fetch children: No such interface `org.ayatana.