Ubuntu 15.04 启动非常慢

Ubuntu 15.04 启动非常慢

我四处寻找问题的答案,但从未找到,所以我寻求帮助。

$ uname -a

Linux Aspire-E1-570 3.19.0-16-generic #16-Ubuntu SMP 星期四 4月 30 16:09:58 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

$ systemd-analyze

启动用时 4.010 秒(固件)+ 4.277 秒(加载器)+ 5.155 秒(内核)+ 50.863 秒(用户空间)= 1 分 4.307 秒

$ systemd-analyze blame

     26.598s gpu-manager.service
     13.898s plymouth-quit-wait.service
     13.430s ModemManager.service
     12.833s NetworkManager.service
     12.191s systemd-udev-settle.service
     11.549s accounts-daemon.service
     11.484s binfmt-support.service
     11.305s systemd-logind.service
     11.062s dev-disk-by\x2duuid-b7542b6f\x2d4b2b\x2d46a1\x2db1a9\x2dbeea0e6
     10.840s ondemand.service
     10.839s irqbalance.service
     10.833s bluetooth.service
     10.826s rsyslog.service
     10.812s apport.service
     10.463s preload.service
     10.460s grub-common.service
     10.454s systemd-user-sessions.service
     10.454s avahi-daemon.service
     10.445s thermald.service
      6.191s ufw.service
      5.975s NetworkManager-wait-online.service
      5.680s kerneloops.service
      5.176s systemd-udevd.service

$ systemd-analyze 关键链

graphical.target @50.834s
└─multi-user.target @50.834s
 └─getty.target @50.834s
  └─[email protected] @50.833s
    └─rc-local.service @36.878s +50ms
      └─network.target @36.792s
       └─wpa_supplicant.service @37.252s +232ms
         └─basic.target @23.578s
          └─sockets.target @23.578s
            └─cups.socket @23.577s
              └─sysinit.target @23.551s
                └─networking.service @23.113s +436ms
                  └─apparmor.service @19.125s +3.982s
                    └─local-fs.target @19.117s
                      └─boot-efi.mount @18.879s +235ms
                        └─systemd-fsck@dev-disk-by\x2duuid-0230\x2d399C.serv
                          └─local-fs-pre.target @17.701s
                            └─systemd-remount-fs.service @17.576s +92ms
                              └─systemd-fsck-root.service @17.127s +445ms
                                └─systemd-fsckd.socket @4.274s
                                  └─-.slice @3.913s

有人能帮我吗?你还需要什么吗?谢谢

答案1

测试其他 Ubuntu 版本,如 14.04.3 LTS 或 15.10,看看你的问题是否也出现在那里

在启动/关机过程中按 F1 键,查看系统到底出了什么问题,以及哪些地方挂起了/占用了时间

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