F19 -> F20 upgrade disaster , and now just boot with debug in kernel boot parameters

[Sérgio Basto]

Hi, 
I tried upgrade , with fedup [1]

I tried a no conventional update, yum localinstall /system-upgrade/*rpm 

but now system doesn't boot normally , just boots when I put debug in
kernel boot parameters on grub .

I think is systemd boot order , looking to  
journalctl -b | grep -i faile , I see :

Jan 02 14:37:08 segulix systemd[1]: Failed to load configuration for
syslog.service: No such file or directory
Jan 02 14:37:08 segulix systemd[1]: Failed to load configuration for
systemd-readahead-replay.service: No such file or directory
Jan 02 14:37:08 segulix systemd[1]: Failed to load configuration for
systemd-readahead-collect.service: No such file or directory

Jan 02 14:37:20 segulix systemd[1]: Failed to load configuration for
sys-kernel-config.mount: No such file or directory
Jan 02 14:37:20 segulix systemd[1]: Failed to add job
sys-kernel-config.mount/start, ignoring: Invalid argument.

Jan 02 14:37:27 segulix systemd[1]: systemd-udevd-kernel.socket got
notified about service death (failed permanently: no)
Jan 02 14:37:27 segulix systemd[1]: systemd-udevd-control.socket got
notified about service death (failed permanently: no)
Jan 02 14:37:37 segulix systemd[1]: Failed to open private bus
connection: Failed to connect to socket /var/run/dbus/system_bus_socket:
No such file or directory
Jan 02 14:37:37 segulix systemd[1]: Failed to connect to system D-Bus,
retrying later
Jan 02 14:37:37 segulix systemd[1]: Failed to load configuration for
syslog.target: No such file or directory
Jan 02 14:37:37 segulix systemd[1]: Failed to load configuration for
exim.service: No such file or directory
Jan 02 14:37:37 segulix systemd[1]: Failed to load configuration for
postfix.service: No such file or directory
Jan 02 14:37:37 segulix systemd[1]: Failed to load configuration for
sntp.service: No such file or directory
Jan 02 14:37:37 segulix systemd[1]: Failed to load configuration for
lvm2-activation.service: No such file or directory
Jan 02 14:37:37 segulix systemd[1]: Failed to load configuration for
lvm2-activation-early.service: No such file or directory
Jan 02 14:37:37 segulix systemd[1]: Failed to load configuration for
systemd-random-seed-load.service: No such file or directory
Jan 02 14:37:37 segulix systemd[1]: Failed to load configuration for
sysroot.mount: No such file or directory
Jan 02 14:37:37 segulix systemd[1]: systemd-journald.socket got notified
about service death (failed permanently: no)
etc ...

but D-bus seems not start at time , 
and in /etc/systemd/system
syslog.service -> /usr/lib/systemd/system/rsyslog.service
this link should exists ? 

but why just boots with kernel with debug boot options , and what I
should do to but with quiet parameter or in default mode ? 

[1]

https://bugzilla.redhat.com/show_bug.cgi?id=1045847#c12

TIA,
-- 
Sérgio M. B.