Just tested with dbus-monitor and the session service running from terminal. The update-manager shows that a restart is required but the trace from either process shows nothing.
below is the trace from the dbus-monitor:
dbus-monitor --system "type='signal',sender='org.freedesktop.PackageKit',interface='org.freedesktop.PackageKit'" signal sender=org.freedesktop.DBus -> dest=:1.102 serial=2 path=/org/freedesktop/DBus; interface=org.freedesktop.DBus; member=NameAcquired string ":1.102" signal sender=:1.100 -> dest=(null destination) serial=127 path=/org/freedesktop/PackageKit; interface=org.freedesktop.PackageKit; member=TransactionListChanged array [ ] signal sender=:1.100 -> dest=(null destination) serial=1539 path=/org/freedesktop/PackageKit; interface=org.freedesktop.PackageKit; member=TransactionListChanged array [ ] signal sender=:1.100 -> dest=(null destination) serial=1548 path=/org/freedesktop/PackageKit; interface=org.freedesktop.PackageKit; member=UpdatesChanged signal sender=:1.100 -> dest=(null destination) serial=1565 path=/org/freedesktop/PackageKit; interface=org.freedesktop.PackageKit; member=TransactionListChanged array [ string "/3f30a6dd91674d5ca7df10bc03ae4fda" ] signal sender=:1.100 -> dest=(null destination) serial=1870 path=/org/freedesktop/PackageKit; interface=org.freedesktop.PackageKit; member=TransactionListChanged array [ ] signal sender=:1.114 -> dest=(null destination) serial=29 path=/org/freedesktop/PackageKit; interface=org.freedesktop.PackageKit; member=Changed signal sender=:1.114 -> dest=(null destination) serial=48 path=/org/freedesktop/PackageKit; interface=org.freedesktop.PackageKit; member=TransactionListChanged array [ ] signal sender=:1.114 -> dest=(null destination) serial=3483 path=/org/freedesktop/PackageKit; interface=org.freedesktop.PackageKit; member=TransactionListChanged array [ ] signal sender=:1.114 -> dest=(null destination) serial=3491 path=/org/freedesktop/PackageKit; interface=org.freedesktop.PackageKit; member=UpdatesChanged signal sender=:1.114 -> dest=(null destination) serial=3508 path=/org/freedesktop/PackageKit; interface=org.freedesktop.PackageKit; member=TransactionListChanged array [ string "/da20bf5db6e0428f890248a00c54c334" ] signal sender=:1.114 -> dest=(null destination) serial=3555 path=/org/freedesktop/PackageKit; interface=org.freedesktop.PackageKit; member=TransactionListChanged array [ ] signal sender=:1.121 -> dest=(null destination) serial=20 path=/org/freedesktop/PackageKit; interface=org.freedesktop.PackageKit; member=Changed
Just tested with dbus-monitor and the session service running from terminal.
The update-manager shows that a restart is required but the trace from either process shows nothing.
below is the trace from the dbus-monitor:
dbus-monitor --system "type=' signal' ,sender= 'org.freedeskto p.PackageKit' ,interface= 'org.freedeskto p.PackageKit' " org.freedesktop .DBus -> dest=:1.102 serial=2 path=/org/ freedesktop/ DBus; interface= org.freedesktop .DBus; member=NameAcquired freedesktop/ PackageKit; interface= org.freedesktop .PackageKit; member= TransactionList Changed freedesktop/ PackageKit; interface= org.freedesktop .PackageKit; member= TransactionList Changed freedesktop/ PackageKit; interface= org.freedesktop .PackageKit; member= UpdatesChanged freedesktop/ PackageKit; interface= org.freedesktop .PackageKit; member= TransactionList Changed d5ca7df10bc03ae 4fda" freedesktop/ PackageKit; interface= org.freedesktop .PackageKit; member= TransactionList Changed freedesktop/ PackageKit; interface= org.freedesktop .PackageKit; member=Changed freedesktop/ PackageKit; interface= org.freedesktop .PackageKit; member= TransactionList Changed freedesktop/ PackageKit; interface= org.freedesktop .PackageKit; member= TransactionList Changed freedesktop/ PackageKit; interface= org.freedesktop .PackageKit; member= UpdatesChanged freedesktop/ PackageKit; interface= org.freedesktop .PackageKit; member= TransactionList Changed 28f890248a00c54 c334" freedesktop/ PackageKit; interface= org.freedesktop .PackageKit; member= TransactionList Changed freedesktop/ PackageKit; interface= org.freedesktop .PackageKit; member=Changed
signal sender=
string ":1.102"
signal sender=:1.100 -> dest=(null destination) serial=127 path=/org/
array [
]
signal sender=:1.100 -> dest=(null destination) serial=1539 path=/org/
array [
]
signal sender=:1.100 -> dest=(null destination) serial=1548 path=/org/
signal sender=:1.100 -> dest=(null destination) serial=1565 path=/org/
array [
string "/3f30a6dd91674
]
signal sender=:1.100 -> dest=(null destination) serial=1870 path=/org/
array [
]
signal sender=:1.114 -> dest=(null destination) serial=29 path=/org/
signal sender=:1.114 -> dest=(null destination) serial=48 path=/org/
array [
]
signal sender=:1.114 -> dest=(null destination) serial=3483 path=/org/
array [
]
signal sender=:1.114 -> dest=(null destination) serial=3491 path=/org/
signal sender=:1.114 -> dest=(null destination) serial=3508 path=/org/
array [
string "/da20bf5db6e04
]
signal sender=:1.114 -> dest=(null destination) serial=3555 path=/org/
array [
]
signal sender=:1.121 -> dest=(null destination) serial=20 path=/org/