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Ubuntu 16.04 更新后启动缓慢

tag-icon • tag-icon boot 16.04 virtualbox
Ubuntu 16.04 更新后启动缓慢

更新后，我的 Ubuntu 16.04 系统启动非常慢。

这似乎是由于 vboxdrv 造成的。

dmesg 的输出是：

[   50.069794] Bluetooth: RFCOMM TTY layer initialized
[   50.069802] Bluetooth: RFCOMM socket layer initialized
[   50.069807] Bluetooth: RFCOMM ver 1.11
[  175.182426] vboxdrv: module verification failed: signature and/or required key missing - tainting kernel
[  175.186107] vboxdrv: Found 4 processor cores
[  175.203371] vboxdrv: TSC mode is Invariant, tentative frequency 1696056355 Hz
[  175.203374] vboxdrv: Successfully loaded version 5.1.6 (interface 0x00260000)
[  175.407006] VBoxNetFlt: Successfully started.
[  175.411295] VBoxNetAdp: Successfully started.

systemd-analyze blame 的输出是：

    2min 38.503s vboxdrv.service
         14.311s snapd.firstboot.service
          9.537s NetworkManager-wait-online.service
          8.506s dev-sda1.device
          7.248s accounts-daemon.service
          7.118s grub-common.service
          7.107s apparmor.service
          6.484s apport.service
          6.403s networking.service
          6.133s ModemManager.service
          5.586s systemd-logind.service
          5.561s irqbalance.service
          5.536s gpu-manager.service
          5.445s speech-dispatcher.service
          4.695s alsa-restore.service
          4.686s rsyslog.service
          4.664s thermald.service
          3.880s systemd-tmpfiles-setup.service
          3.845s NetworkManager.service
          2.434s lightdm.service
          2.406s console-setup.service
          2.295s plymouth-start.service
          1.377s keyboard-setup.service

该怎么办？我应该卸载 VirtualBox 吗？

答案1

[ 175.182426] vboxdrv：模块验证失败：缺少签名和/或所需密钥 - 污染内核

我不确定这是否导致了您的问题，但 vboxdrv 的签名似乎有问题，请参见此处：
https://stackoverflow.com/questions/24975377/kvm-module-verification-failed-signature-and-or-required-key-missing-taintin
你的虚拟机有自定义设置吗？
也许重新安装虚拟机就可以了

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