Tuesday, February 20, 2018

live usb - Ubuntu 17.10 freeze after login on fresh install without USB

I decided to bring new life to a disused laptop by formatting and installing Ubuntu. I created a bootable USB stick using Rufus, and installed Ubuntu from it, formatting the hard drive in the process. The install went smoothly.
I then turned off the computer, removed the usb stick, and rebooted. Ubuntu starts and lets me log in, but just after I see the gnome desktop, everything freezes. The only way out is to do a hard reset.




I did the install again, leaving the usb stick in during reboot, and this time login went normally. Thinking the problem was solved, I ejected and removed the stick. After a reboot, the problem was back.



I've worked a while to resolve this, and consistently ubuntu freezes if the bootable USB is not plugged in during first login after rebooting. After login, the stick can be removed, and I can log out and in again without issue.



The freeze happends after I see the desktop, but I notice the trash icon dosn't appear. If the USB stick is in, the trash icon and the USB stick appear mounted on the desktop.



I've attached syslog, kern.log and auth.log after my last reinstall. They are quite short, as I installed, failed to log on, did a hard reset, logged on with stick and then copied the files. The crash happened at 14:13:47, notice the alternating \'s and 00's. The longer I wait before I hard reset, the longer this pattern in the logs appear.



I'm guessing there are some file on the USB stick that needs to be on the HD, but I have no idea which. If anyone can help with this I would be most grateful :)




Logs: https://drive.google.com/open?id=12lgRWasdXpbpT9RVoFqN84DNNeTE-_-5



Brg, Martin



EDIT:
Figured out that USB stick needs to be present during boot, not login. I can take it out on the login screen and it will still work.

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