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The last "normal speed" entry in dmesg reads:

[    5.108969] hid-generic 0003:154A:0002.0003: hiddev0,hidraw2: USB HID v1.00 Device [ID Innovations Inc. Input Device] on usb-0000:04:00.3-3.2.1.4/input1

The next one:

[   34.740815] EXT4-fs (nvme0n1p2): mounted filesystem with ordered data mode. Quota mode: none.

Any hint out there what's slowing down the boot process?

Thanks

Artur Meinild
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wegwerf4
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  • Can you check the S.M.A.R.T. information of the related nvme device? You can use the smartctl command line or the gsmartcontrol GUI tool. – FedKad Feb 03 '23 at 11:26

1 Answers1

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Try systemd-analyze plot > plot.svg and open the svg file using firefox or something, take a look and see what is taking time.

systemd-analyze blame will also show you how much each task took on boot, but it's sorted by time, not sequentially after boot

Ali Molaei
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  • Thank you very much for your quick answer! systemd-analyze blame issued first:

    49.267s NetworkManager-wait-online.service

    Might that process be the culprit? –

     – wegwerf4 Feb 03 '23 at 11:44
  • Yes, and you can easily disable that service if your system isn't a server. See here: https://askubuntu.com/questions/1166486/how-to-decrease-the-boot-time – Jos Feb 03 '23 at 12:19
  • I suggest you look at the plot as well, there you can see some services will not start until a certain service is started successfully before them, if you reduce the time these services are waiting, it can have much more impact (for example, a service may be waiting for systemd-journald.service, and it is taking too long, then if you flush your journald logs, it may help significantly.) – Ali Molaei Feb 03 '23 at 12:25
  • The link above worked! Thank you! – wegwerf4 Feb 03 '23 at 18:06