On boot, I have a blank screen (blinking _) for over half a minute. I just upgraded from Debian Jessie to Stretch; I didn't have this problem before the upgrade.

I found this line in systemd-analyze blame: 30.286s NetworkManager-wait-online.service

I disabled it using systemctl disable NetworkManager-wait-online.service, but after rebooting that didn't fix the problem.

Output of systemd-analyze blame and systemd-analyze critical-chain (after disabling NetworkManager): https://pastebin.com/ws6Hqa1B

All help is appreciated.


Fixed it! I googled it and found this reddit thread with similar problems. I added 'noresume'to my kernel parameters. Specifically, I added GRUB_CMDLINE_LINUX_DEFAULT="noresume" to /etc/default/grub and ran sudo update-grub.

It works!

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