Ubuntu 20.04引导时间大约需要6分钟

我最近从Windows迁移到Ubuntu,没有双重引导,主要是使用Ubuntu作为日常驱动程序。我正在使用Ubuntu LTS 20.04。我在安装时已正确设置了硬盘驱动器,并带有一个“ /”挂载点和一个交换区。

uname -a

Linux用户名5.4.0-29-通用#33-Ubuntu SMP Wed Apr 29 14:32:27 UTC 2020 x86_64 x86_64 x86_64 GNU / Linux

systemd-analyze blame

6min 30.054s fstrim.service 2min 59.349s普利茅斯-退出-等待服务      24.937s networkd-dispatcher.service      24.571s抢购      17.715s fwupd.service      15.754s gpu-manager.service      15.496s udisks2.service      14.243s dev-sda6.device      13.357s NetworkManager-wait-online.service      10.962s accounts-daemon.service      10.799s NetworkManager.service       9.698秒ModemManager.service       9.459s polkit.service       8.955s dev-loop0.device       8.041s dev-loop3.device       7.925s dev-loop7.device       7.826s avahi-daemon.service       7.825s蓝牙服务       7.212s switcheroo-control.service       7.208s热服务       7.197s systemd-logind.service       7.194s wpa_supplicant.service       6.989s dev-loop6.device       6.969s user@125.service       6.654s螺栓服务       6.237s dev-loop8.device       6.146s dev-loop9.device       6.136s dev-loop2.device       5.778s dev-loop4.device       5.590s dev-loop5.device       5.429s dev-loop1.device       5.150s systemd-tmpfiles-setup.service       4.909s systemd-journal-flush.service

这会继续出现错误消息

dmesg

[0.000000]微码:微码较早更新至修订版0xca,日期= 2019-09-26

[0.000000] Linux版本5.4.0-29-通用(buildd @ lgw01-amd64-035)(gcc版本9.3.0 (Ubuntu 9.3.0-10ubuntu2))#33-Ubuntu SMP 2018年4月29日星期三14:32:27 UTC(Ubuntu 5.4.0-29.33-generic 5.4.30)

[0.000000]命令行:BOOT_IMAGE = / boot / vmlinuz-5.4.0-29-generic root = UUID = 2a4c11a4-cd06-4419-9d99-e7863d582c47 ro quiet splash vt.handoff = 7

[0.000000]内核支持的CPU:

[0.000000] Intel正版Intel

[0.000000] AMD AuthenticAMD

[0.000000] Hygon HygonGenuine

[0.000000] Centaur CentaurHauls

[0.000000]兆新上海

[0.000000] x86 / fpu:支持XSAVE功能0x001:“ x87浮点寄存器”

[430.158447]审核:类型= 1400审核(1589780723.411:1580):apparmor =“ DENIED” operation =“ open” profile =“ snap.snap-store.ubuntu-software” name =“ / var / lib / snapd / hostfs / usr / share / mime / icons“ pid = 2076 comm =” pool-org.gnome“。 request_mask =“ r”被拒绝_mask =“ r” fsuid = 1000 ouid = 0

[430.158488]审核:类型= 1400审核(1589780723.411:1581):apparmor =“ DENIED” operation =“ open” profile =“ snap.snap-store.ubuntu-software” name =“ / var / lib / snapd / hostfs / usr / share / mime / generic-icons“ pid = 2076 comm =” pool-org.gnome“。 request_mask =“ r”被拒绝_mask =“ r” fsuid = 1000 ouid = 0

[432.427371]审核:类型= 1400审核(1589780725.679:1582):apparmor =“ DENIED” operation =“ open” profile =“ snap.snap-store.ubuntu-software” name =“ / var / lib / snapd / hostfs / usr / share / icons / Yaru / icon-theme.cache“ pid = 2076 comm =” pool-org.gnome“。 request_mask =“ r”被拒绝_mask =“ r” fsuid = 1000 ouid = 0

[432.427373]审核:类型= 1400审核(1589780725.679:1583):apparmor =“ DENIED” operation =“ open” profile =“ snap.snap-store.ubuntu-software” name =“ / var / lib / snapd / hostfs / usr / share / icons / Yaru / 8x8 / emblems /“ pid = 2076 comm =” pool-org.gnome“。 request_mask =“ r”被拒绝_mask =“ r” fsuid = 1000 ouid = 0

[432.427775]审核:类型= 1400审核(1589780725.679:1584):apparmor =“ DENIED” operation =“ open” profile =“ snap.snap-store.ubuntu-software” name =“ / var / lib / snapd / hostfs / usr / share / icons / Yaru / icon-theme.cache“ pid = 2076 comm =” pool-org.gnome“。 request_mask =“ r”被拒绝_mask =“ r” fsuid = 1000 ouid = 0

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