Public bug reported:
System: PowerMac 7,2
Video card: Nvidia GeForce 6800 GT DDL
Display: Apple Cinema 30 inch
On this machine the desktop is shown twice vertically, full width half
height. There are no other artifacts or tearing. I have another PowerMac
(11,2 with Nvidia Quadro FX 4500) where this setup works correctly.
If I manually add the missing 2500x1600 mode using xrandr --output
DVI-I-1 --mode 2560x1600 the xserver seems to reset immediately and go
to a login screen split as above.
Ubuntu Mate 16.04
lsb_release -rd:
Description: Ubuntu 16.04.1 LTS
Release: 16.04
xserver-xorg-video-nouveau:
Installed: 1:1.0.12-1build2
Candidate: 1:1.0.12-1build2
Version table:
*** 1:1.0.12-1build2 500
500 http://us.ports.ubuntu.com/ubuntu-ports xenial/main powerpc Packages
100 /var/lib/dpkg/status
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: xserver-xorg-video-nouveau 1:1.0.12-1build2
ProcVersionSignature: Ubuntu 4.4.0-31.50-powerpc64-smp 4.4.13
Uname: Linux 4.4.0-31-powerpc64-smp ppc64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: powerpc
CurrentDesktop: MATE
Date: Thu Jul 21 16:48:50 2016
InstallationDate: Installed on 2016-05-30 (51 days ago)
InstallationMedia: Ubuntu-MATE 16.04 LTS "Xenial Xerus" - Release powerpc
(20160420.1)
SourcePackage: xserver-xorg-video-nouveau
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: xserver-xorg-video-nouveau (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug powerpc xenial
** Attachment added: "dmesg and X.org.log"
https://bugs.launchpad.net/bugs/1605413/+attachment/4704971/+files/dmesg%20and%20Xorg.log
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https://bugs.launchpad.net/bugs/1605413
Title:
dual link isn't properly configured
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