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[Bug 420008] [NEW] [nvidia185] Acer External Monitor fails to display anything in "Twinview" mode

 

Public bug reported:

I just updated my Karmic system ( a late 2008 13" Macbook; aka version
5,1 ) yesterday and a new version (185) restricted driver landed on my
system.  After a restart, my system failed to start X, and I could only
login from a command prompt.  See bug#418681 for the details.

While debugging, I listed all of my nvidia packages and noticed that one
had a ~jaunty version, mbp-nvidia-bl-dkms ( 0.22~jaunty ), which was
installed from the mactel-support PPA ( lp:~mactel-support ).  So
thinking it might be part of the problem I used 'dpkg -P' to forcibly
remove it.   Note, nvidia-bl-dkm version 0.14 was still installed.  I
continued debugging the problem ( see the bug reference above for
details ), and I now have a usable system.

That is, until I tried to fire up Twinview on my external Acer 26"
monitor.  The monitor is connected via a mini Display Port to DVI cable
to a DVI to HDMI cable.

nvidia-settings recognizes the monitor, it allows me to configure as
"Twinview", and when I hit the "Apply" button, I see the power button on
the monitor transition from red to blue, but the screen never displays a
thing.  No errors are shown by nvidia-settings.

Note, I tried tp re-install the nvidia-bl driver from mactel-support,
but that doesn't seem to make a difference.

One last note, I've *never* been able to get this machine to work with a
mini DisplayPort-to-VGA adapter.  I was only able to make the DVI
version work.

ProblemType: Bug
Architecture: amd64
Date: Thu Aug 27 11:31:08 2009
DistroRelease: Ubuntu 9.10
MachineType: Apple Inc. MacBook5,1
NonfreeKernelModules: nvidia wl
Package: nvidia-glx-185 185.18.36-0ubuntu1
PccardctlIdent:
 
PccardctlStatus:
 
ProcCmdLine: root=UUID=0edc7e68-43e0-4c85-9ee5-3f87f5c76631 ro quiet splash  crashkernel=384M-2G:64M,2G-:128M
ProcEnviron:
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-7.27-generic
RelatedPackageVersions:
 xserver-xorg 1:7.4+3ubuntu5
 libgl1-mesa-glx 7.6.0~git20090817.7c422387-0ubuntu3
 libdrm2 2.4.12+git20090801.45078630-0ubuntu1
 xserver-xorg-video-intel 2:2.8.1-1ubuntu1
 xserver-xorg-video-ati 1:6.12.99+git20090629.f39cafc5-0ubuntu6
SourcePackage: nvidia-graphics-drivers-180
Uname: Linux 2.6.31-7-generic x86_64
dmi.bios.date: 01/30/09
dmi.bios.vendor: Apple Inc.
dmi.bios.version: MB51.88Z.007D.B00.0901301153
dmi.board.asset.tag: Base Board Asset Tag#
dmi.board.name: Mac-F42D89A9
dmi.board.vendor: Apple Inc.
dmi.board.version: Proto
dmi.chassis.asset.tag: Asset Tag#
dmi.chassis.type: 10
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-F42D89A9
dmi.modalias: dmi:bvnAppleInc.:bvrMB51.88Z.007D.B00.0901301153:bd01/30/09:svnAppleInc.:pnMacBook5,1:pvr1.0:rvnAppleInc.:rnMac-F42D89A9:rvrProto:cvnAppleInc.:ct10:cvrMac-F42D89A9:
dmi.product.name: MacBook5,1
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.
fglrx: Not loaded
system:
 distro:             Ubuntu
 architecture:       x86_64kernel:             2.6.31-7-generic

** Affects: nvidia-graphics-drivers-180 (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug

-- 
[nvidia185] Acer External Monitor fails to display anything in "Twinview" mode
https://bugs.launchpad.net/bugs/420008
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