相关文章推荐
Lite Wise thanks for your interest.  The output of commands suggested is:
systemd-analyze
Startup finished in 10.721s (kernel) + 1min 6.263s (userspace) = 1min 16.984s
graphical.target reached after 1min 6.235s in userspace
40.209s networking.service
30.337s blueman-mechanism.service
24.998s networkd-dispatcher.service
18.606s NetworkManager-wait-online.service
14.510s systemd-journal-flush.service
13.973s udisks2.service
11.892s accounts-daemon.service
11.601s ModemManager.service
11.584s NetworkManager.service
11.243s dev-sda5.device
10.349s polkit.service
9.048s avahi-daemon.service
9.034s bluetooth.service
8.333s switcheroo-control.service
8.267s thermald.service
8.259s systemd-logind.service
8.244s wpa_supplicant.service
4.992s gpu-manager.service
4.377s systemd-resolved.service
3.785s rsyslog.service
3.378s apparmor.service
3.241s preload.service
3.063s lightdm.service

And output from dmesg from the 40 sec mark:
42.728643] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[   42.728647] Bluetooth: BNEP filters: protocol multicast
[   42.728655] Bluetooth: BNEP socket layer initialized
[   42.821093] NET: Registered protocol family 38
[   51.353975] kauditd_printk_skb: 19 callbacks suppressed
[   51.353979] audit: type=1400 audit(1602917429.451:31): apparmor="DENIED" operation="capable" profile="/usr/sbin/cups-browsed" pid=839 comm="cups-browsed" capability=23  capname="sys_nice"
[   56.929164] Generic FE-GE Realtek PHY r8169-300:00: attached PHY driver [Generic FE-GE Realtek PHY] (mii_bus:phy_addr=r8169-300:00, irq=IGNORE)
[   57.051605] r8169 0000:03:00.0 enp3s0: Link is Down
[   61.515942] wlp2s0: authenticate with a6:91:b1:4f:36:55
[   61.519041] wlp2s0: send auth to a6:91:b1:4f:36:55 (try 1/3)
[   61.520034] wlp2s0: authenticated
[   61.526300] wlp2s0: associate with a6:91:b1:4f:36:55 (try 1/3)
[   61.527644] wlp2s0: RX AssocResp from a6:91:b1:4f:36:55 (capab=0x1011 status=0 aid=3)
[   61.535073] wlp2s0: associated
[   61.658047] wlp2s0: Limiting TX power to 23 (23 - 0) dBm as advertised by a6:91:b1:4f:36:55
[   61.658977] IPv6: ADDRCONF(NETDEV_CHANGE): wlp2s0: link becomes ready
[   84.324584] Bluetooth: RFCOMM TTY layer initialized
[   84.324610] Bluetooth: RFCOMM socket layer initialized
[   84.324639] Bluetooth: RFCOMM ver 1.11
[   96.332234] logitech-hidpp-device 0003:046D:4062.0006: HID++ 4.5 device connected.

Any other ideas.  I'm using an Logitech wireless integrated mouse/keyboard and a wireless headset although that is not usually turned on at start up.
Cheers Rob

Hi all, LL5 on Lenovo G50-30 Notebook taking a long time to load  - this seems to be the important bit.  Any help greatly appreciated.
[   43.868289] Bluetooth: BNEP (Ethernet Emulation) ver 1.3[   43.868292] Bluetooth: BNEP filters: protocol multicast
[   43.868300] Bluetooth: BNEP socket layer initialized
[   43.927832] NET: Registered protocol family 38
[   48.587704] Generic FE-GE Realtek PHY r8169-300:00: attached PHY driver [Generic FE-GE Realtek PHY] (mii_bus:phy_addr=r8169-300:00, irq=IGNORE)
[   48.707804] r8169 0000:03:00.0 enp3s0: Link is Down
[   54.261819] wlp2s0: authenticate with a6:91:b1:4f:36:55
[   54.265366] wlp2s0: send auth to a6:91:b1:4f:36:55 (try 1/3)
[   54.266403] wlp2s0: authenticated
[   54.274207] wlp2s0: associate with a6:91:b1:4f:36:55 (try 1/3)
[   54.275404] wlp2s0: RX AssocResp from a6:91:b1:4f:36:55 (capab=0x1011 status=0 aid=2)
[   54.285296] wlp2s0: associated
[   55.323135] wlp2s0: Limiting TX power to 36 (36 - 0) dBm as advertised by a6:91:b1:4f:36:55
[   55.324024] IPv6: ADDRCONF(NETDEV_CHANGE): wlp2s0: link becomes ready
[   58.726326] kauditd_printk_skb: 19 callbacks suppressed
[   58.726332] audit: type=1400 audit(1594720343.759:31): apparmor="DENIED" operation="capable" profile="/usr/sbin/cups-browsed" pid=983 comm="cups-browsed" capability=23  capname="sys_nice"
[   78.132780] Bluetooth: RFCOMM TTY layer initialized
[   78.132793] Bluetooth: RFCOMM socket layer initialized
[   78.132810] Bluetooth: RFCOMM ver 1.11
[   89.806872] logitech-hidpp-device 0003:046D:4062.0006: HID++ 4.5 device connected.
[  110.106504] logitech-hidpp-device 0003:046D:405E.0005: multiplier = 8
 
推荐文章