我从 14.04 升级到 16.04 后启动速度非常慢
它有时无法启动，我必须强制关闭它，同时按下电源按钮并从头开始打开
我使用systemd-analyze blame并得到以下
1min 31.254s winbind.service
1min 31.254s winbind.service
1min 31.254s winbind.service
1min 31.243s nmbd.service
1min 30.508s samba-ad-dc.service
1min 26.919s vmware.service
1min 16.574s apache2.service
1min 4.486s mysql.service
36.783s apparmor.service
33.976s virtualbox.service
26.262s udhcpd.service
25.635s preload.service
24.296s dev-sda1.device
23.807s networking.service
23.106s speech-dispatcher.service
20.720s ModemManager.service
17.155s vmware-USBArbitrator.service
15.922s irqbalance.service
13.746s apport.service
13.373s lightdm.service
12.647s upower.service
10.698s NetworkManager-wait-online.service
10.174s keyboard-setup.service
10.054s snapd.refresh.service
9.695s systemd-logind.service
9.634s alsa-restore.service
9.632s gpu-manager.service
9.629s rsyslog.service
9.625s systemd-user-sessions.service
9.459s avahi-daemon.service
9.459s thermald.service
9.416s grub-common.service
9.197s colord.service
8.910s apt-daily.service
8.862s dev-hugepages.mount
8.861s dev-mqueue.mount
8.860s sys-kernel-debug.mount
8.667s kmod-static-nodes.service
8.645s ufw.service
8.167s systemd-journald.service
7.487s systemd-modules-load.service
5.649s systemd-localed.service
5.062s systemd-udevd.service
3.321s console-setup.service
3.119s systemd-tmpfiles-setup.service
2.986s NetworkManager.service
2.181s accounts-daemon.service
2.124s systemd-tmpfiles-setup-dev.service
1.924s jetty.service
1.857s plymouth-start.service
1.708s binfmt-support.service
1.688s polkitd.service
1.541s setvtrgb.service
1.283s lm-sensors.service
1.208s bluetooth.service
1.192s dns-clean.service
1.032s plymouth-read-write.service
754ms wpa_supplicant.service
691ms systemd-backlight@backlight:intel_backlight.service
681ms systemd-tmpfiles-clean.service
621ms systemd-update-utmp.service
611ms systemd-sysctl.service
600ms systemd-timesyncd.service
460ms dev-disk-by\x2duuid-21920ece\x2d32b5\x2d4739\x2da584\x2d3f27984
369ms systemd-journal-flush.service
358ms smbd.service
340ms udisks2.service
330ms systemd-random-seed.service
267ms hddtemp.service
236ms systemd-udev-trigger.service
236ms resolvconf.service
208ms rc-local.service
145ms systemd-remount-fs.service
104ms proc-sys-fs-binfmt_misc.mount
62ms pppd-dns.service
51ms [email protected]
47ms hostapd.service
46ms systemd-hostnamed.service
19ms ondemand.service
13ms vncserver.service
11ms snapd.socket
9ms ureadahead-stop.service
3ms systemd-update-utmp-runlevel.service
3ms rtkit-daemon.service
2ms systemd-rfkill.service
1ms sys-fs-fuse-connections.mount
1ms plymouth-quit-wait.service
ESCOD
1min 31.254s winbind.service
1min 31.243s nmbd.service
1min 30.508s samba-ad-dc.service
1min 26.919s vmware.service
1min 16.574s apache2.service
1min 4.486s mysql.service
36.783s apparmor.service
33.976s virtualbox.service
26.262s udhcpd.service
25.635s preload.service
24.296s dev-sda1.device
23.807s networking.service
23.106s speech-dispatcher.service
20.720s ModemManager.service
17.155s vmware-USBArbitrator.service
15.922s irqbalance.service
13.746s apport.service
13.373s lightdm.service
12.647s upower.service
10.698s NetworkManager-wait-online.service
10.174s keyboard-setup.service
10.054s snapd.refresh.service
9.695s systemd-logind.service
9.634s alsa-restore.service
9.632s gpu-manager.service
9.629s rsyslog.service
9.625s systemd-user-sessions.service
9.459s avahi-daemon.service
9.459s thermald.service
9.416s grub-common.service
9.197s colord.service
8.910s apt-daily.service
8.862s dev-hugepages.mount
8.861s dev-mqueue.mount
8.860s sys-kernel-debug.mount
8.667s kmod-static-nodes.service
8.645s ufw.service
8.167s systemd-journald.service
7.487s systemd-modules-load.service
5.649s systemd-localed.service
5.062s systemd-udevd.service
3.321s console-setup.service
3.119s systemd-tmpfiles-setup.service
2.986s NetworkManager.service
2.181s accounts-daemon.service
2.124s systemd-tmpfiles-setup-dev.service
1.924s jetty.service
1.857s plymouth-start.service
1.708s binfmt-support.service
1.688s polkitd.service
1.541s setvtrgb.service
1.283s lm-sensors.service
1.208s bluetooth.service
1.192s dns-clean.service
1.032s plymouth-read-write.service
754ms wpa_supplicant.service
691ms systemd-backlight@backlight:intel_backlight.service
681ms systemd-tmpfiles-clean.service
621ms systemd-update-utmp.service
611ms systemd-sysctl.service
600ms systemd-timesyncd.service
460ms dev-disk-by\x2duuid-21920ece\x2d32b5\x2d4739\x2da584\x2d3f27984
369ms systemd-journal-flush.service
358ms smbd.service
340ms udisks2.service
330ms systemd-random-seed.service
267ms hddtemp.service
236ms systemd-udev-trigger.service
236ms resolvconf.service
208ms rc-local.service
145ms systemd-remount-fs.service
104ms proc-sys-fs-binfmt_misc.mount
62ms pppd-dns.service
51ms [email protected]
47ms hostapd.service
46ms systemd-hostnamed.service
19ms ondemand.service
13ms vncserver.service
11ms snapd.socket
9ms ureadahead-stop.service
3ms systemd-update-utmp-runlevel.service
3ms rtkit-daemon.service
2ms systemd-rfkill.service
1ms sys-fs-fuse-connections.mount
1ms plymouth-quit-wait.service