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 Bugs, which is subscribed to 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 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
