Public bug reported:
I am using a Aten KVM switch CS1794 hooked on my computer.
It allows the switching for USB, HDMI, and audio.
http://www.aten.com/global/en/products/kvm/desktop-kvm-switches/cs1794/#.WWrnguk9iUk
I run a Ubuntu 17.04 system.
I experience a very long boot time, having done an analysis it appears
that the main problem is the kernel boot time and more specifically the
time it takes to start its USB subsystem.
when you look at the dsmg output you can clearly see a gap between 4-78s
and 79-91s, all in the USB sub-process.
** Affects: ubuntu
Importance: Undecided
Status: New
** Attachment added: "systemd-analyze output"
https://bugs.launchpad.net/bugs/1704614/+attachment/4915433/+files/sequence.svg
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https://bugs.launchpad.net/bugs/1704614
Title:
very long kernel boot time with some KVM switch
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