Booting 4.4.0-22 with just the kernel arguments root=/dev/mapper/ubuntu--15--vg-root ro and filming the kernel bring-up messages, I see that it the very last thing displayed is:
[]fb: switching to inteldrmfb from EFI VGA before the screne blanks (no backlight) and the machine becomes non- responsive, requiring a reset. In case it's not in the attached debug logs, this is Dell 3552 laptop (the Ubuntu-qualified model!) with Braswell Celeron N3050 CPU and BIOS version 4.0.3 Matt -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1580311 Title: Kernel hangs at boot with modesettings To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1580311/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
