Comment 0 for bug 1651910

Revision history for this message
Chi-Thanh Christopher Nguyen (chithanh) wrote :

After upgrading from Ubuntu 14.04 to 16.04, the screen will stay black after GRUB (backlight is on) when booting with the new 4.4 kernel (linux-image-4.4.0-57-generic). Booting with the old 3.14 kernel will make the screen work again.

This is on a BIOSTAR A780L mainboard, with the monitor connected via DVI.

"ubuntu-bug linux" tells me that I appear to run a mainline kernel and cannot report anything (obviously, as the screen doesn't work if I boot the 16.04 kernel).

$ cat /proc/version_signature > version.log
cat: /proc/version_signature: No such file or directory

1) The release of Ubuntu you are using, via 'lsb_release -rd' or System -> About Ubuntu

$ lsb_release -rd
Description: Ubuntu 16.04.1 LTS
Release: 16.04

2) The version of the package you are using, via 'apt-cache policy pkgname' or by checking in Software Center

$ apt-cache policy linux-image-4.4.0-57-generic
linux-image-4.4.0-57-generic:
  Installed: 4.4.0-57.78
  Candidate: 4.4.0-57.78
  Version table:
 *** 4.4.0-57.78 500
        500 http://de.archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages
        500 http://security.ubuntu.com/ubuntu xenial-security/main amd64 Packages
        100 /var/lib/dpkg/status

3) What you expected to happen

Screen doesn't stay black

4) What happened instead

Screen stays black