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Dell XPS 13 9350 启动时间过长

tag-icon • tag-icon boot xubuntu dell 17.04 ahci
Dell XPS 13 9350 启动时间过长

我在 Dell XPS 13 9350 上安装了 Xubuntu 17.04。看起来一切都很正常，除了一件事。启动时间超过 100 秒。以下是dmesg 输出. 滚动到第 914 行：

[    4.192005] brcmfmac 0000:3a:00.0 wlp58s0: renamed from wlan0
[   93.322099] ACPI: Invalid package element [0]: got number, expecting [R]

这看起来像是启动时发生超时。我该如何修复？

更新：

这是我的 systemd-analyze critical-chain 输出：

The time after the unit is active or started is printed after the "@" character.
The time the unit takes to start is printed after the "+" character.

graphical.target @1min 31.170s
└─multi-user.target @1min 31.170s
  └─hddtemp.service @1min 31.163s +7ms
    └─network-online.target @1min 31.162s
      └─NetworkManager-wait-online.service @1min 30.357s +805ms
        └─NetworkManager.service @1min 30.268s +82ms
          └─dbus.service @1min 30.258s
            └─basic.target @1min 30.255s
              └─sockets.target @1min 30.255s
                └─snapd.socket @1min 30.252s +2ms
                  └─sysinit.target @1min 30.227s
                    └─systemd-timesyncd.service @588ms +253ms
                      └─systemd-tmpfiles-setup.service @553ms +29ms
                        └─local-fs.target @551ms
                          └─run-user-1000-gvfs.mount @1min 38.072s
                            └─run-user-1000.mount @1min 37.656s
                              └─local-fs-pre.target @168ms
                                └─keyboard-setup.service @71ms +96ms
                                  └─systemd-journald.socket @69ms
                                    └─-.slice @61ms

更新

这是我的systemd-analyze blame输出：

      2.034s [email protected]
       806ms NetworkManager-wait-online.service
       719ms systemd-resolved.service
       696ms dev-nvme0n1p2.device
       239ms swapfile.swap
       179ms boot-efi.mount
       158ms lightdm.service
       155ms plymouth-quit-wait.service
       137ms accounts-daemon.service
       128ms ModemManager.service
       120ms systemd-timesyncd.service
       120ms networking.service
       113ms keyboard-setup.service
        96ms grub-common.service
        95ms apport.service

输出如下systemd-analyze：

Startup finished in 6.874s (firmware) + 5.040s (loader) + 3.139s (kernel) + 3min 439ms (userspace) = 3min 15.494s

更新 2

我的/etc/fstab文件如下所示：

UUID=9207565d-3f73-4668-8f74-db0a07516111 /               ext4    errors=remount-ro 0       1
# /boot/efi was on /dev/nvme0n1p1 during installation
UUID=AED1-2DDE  /boot/efi       vfat    umask=0077      0       1
/swapfile                                 none            swap    sw              0       0
/dev/mapper/cryptswap1 none swap sw 0 0

这是实际的分区：

/dev/nvme0n1p2: UUID="9207565d-3f73-4668-8f74-db0a07516111" TYPE="ext4" PARTUUID="d55e7382-7e13-48a5-8c82-4c937dfdfbdd"
/dev/nvme0n1: PTUUID="dbc896e1-3755-4205-a707-34370ed01e5d" PTTYPE="gpt"
/dev/nvme0n1p1: UUID="AED1-2DDE" TYPE="vfat" PARTLABEL="EFI System Partition" PARTUUID="4a8ffbf3-d968-413f-bf54-7caaf099b8a2"

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