apport-collect will give me the same output as ubuntu-bug, namely that I am not
running an Ubuntu kernel and refuse to do anything else.
The official 16.04 kernel will only produce a black screen.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1651910
Title:
radeon: black screen after upgrade from 14.04 to 16.04 on RS780
Status in linux package in Ubuntu:
Confirmed
Bug description:
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
---
ApportVersion: 2.20.1-0ubuntu2.4
Architecture: amd64
CurrentDesktop: KDE
DistroRelease: Ubuntu 16.04
Package: xorg 1:7.7+13ubuntu3
PackageArchitecture: amd64
Tags: xenial
Uname: Linux 3.14.79-031479-generic x86_64
UpgradeStatus: Upgraded to xenial on 2016-09-24 (88 days ago)
UserGroups: adm admin cdrom dialout lpadmin nopasswdlogin plugdev sambashare
_MarkForUpload: True
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