OK, I have this tested again with OS installed on the NVME.
It looks like something in the userspace is the cause:
::::::::::::::
4.15.0-20-generic-analyze
::::::::::::::
Startup finished in 8.429s (firmware) + 3.576s (loader) + 2.412s (kernel) +
23.634s (userspace) = 38.052s
graphical.target reached after 23.627s in userspace
::::::::::::::
4.15.0-30-generic-analyze
::::::::::::::
Startup finished in 8.268s (firmware) + 3.529s (loader) + 2.879s (kernel) +
23.184s (userspace) = 37.861s
graphical.target reached after 23.164s in userspace
::::::::::::::
4.15.0-42-generic-analyze
::::::::::::::
Startup finished in 8.252s (firmware) + 3.513s (loader) + 1.957s (kernel) +
23.106s (userspace) = 36.829s
graphical.target reached after 23.087s in userspace
::::::::::::::
4.15.0-45-generic-analyze
::::::::::::::
Startup finished in 8.257s (firmware) + 3.528s (loader) + 1.982s (kernel) +
23.070s (userspace) = 36.837s
graphical.target reached after 23.050s in userspace
::::::::::::::
4.15.0-46-generic-analyze
::::::::::::::
Startup finished in 9.794s (firmware) + 3.805s (loader) + 2.984s (kernel) +
41.040s (userspace) = 57.625s
graphical.target reached after 24.048s in userspace
::::::::::::::
4.15.0-47-generic-analyze
::::::::::::::
Startup finished in 9.950s (firmware) + 3.694s (loader) + 3.074s (kernel) +
41.436s (userspace) = 58.156s
graphical.target reached after 23.965s in userspace
>From a side-by-side comparison, it's fwupd.service:
==> 4.15.0-42-generic-blame <==
20.720s plymouth-quit-wait.service
6.037s NetworkManager-wait-online.service
4.667s bolt.service
==> 4.15.0-45-generic-blame <==
20.682s plymouth-quit-wait.service
6.037s NetworkManager-wait-online.service
4.466s bolt.service
==> 4.15.0-46-generic-blame <==
26.178s fwupd.service
20.367s plymouth-quit-wait.service
6.220s NetworkManager-wait-online.service
==> 4.15.0-47-generic-blame <==
26.287s fwupd.service
20.386s plymouth-quit-wait.service
6.208s NetworkManager-wait-online.service
** Summary changed:
- Feedback on the Dell G7 7588 Boot Time
+ fwupd.service causing boot time increase since 4.15.0-46 on Dell G7 7588
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https://bugs.launchpad.net/bugs/1821027
Title:
fwupd.service causing boot time increase since 4.15.0-46 on Dell G7
7588
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