Public bug reported:
Running 9.10 on a Dell T7500, with two NVS420s. The X log files show
that the correct driver and the correct GLX module are loading, and
xdpyinfo shows both the GLX and NV-GLX extensions available, but any
attempt to run a GLX app fails with the message: "Error: couldn't find
RGB GLX visual" or some variant (sometimes complaining about a double-
buffered visual).
I've tried running with the packages from the nvidia-vdpau PPA
repository, but the results are identical.
ProblemType: Bug
Architecture: amd64
Date: Tue Apr 27 17:46:11 2010
DistroRelease: Ubuntu 9.10
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
MachineType: Dell Inc. Precision WorkStation T7500
NonfreeKernelModules: nvidia
Package: nvidia-glx-185 185.18.36-0ubuntu9
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.31-20-generic
root=UUID=9eb4a643-08f0-44b3-a221-94eca374c079 ro quiet splash
ProcEnviron:
LANG=en_AU.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-20.58-generic
RelatedPackageVersions:
xserver-xorg 1:7.4+3ubuntu10
libgl1-mesa-glx 7.6.0-1ubuntu4
libdrm2 2.4.14-1ubuntu1
xserver-xorg-video-intel 2:2.9.0-1ubuntu2.1
xserver-xorg-video-ati 1:6.12.99+git20090929.7968e1fb-0ubuntu1
SourcePackage: nvidia-graphics-drivers-180
Uname: Linux 2.6.31-20-generic x86_64
Xrandr:
Error: command ['xrandr', '--verbose'] failed with exit code 1: Xlib:
extension "RANDR" missing on display ":0.0".
RandR extension missing
dmi.bios.date: 09/09/2009
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A03
dmi.board.name: 0D881F
dmi.board.vendor: Dell Inc.
dmi.board.version: A06
dmi.chassis.type: 7
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA03:bd09/09/2009:svnDellInc.:pnPrecisionWorkStationT7500:pvr:rvnDellInc.:rn0D881F:rvrA06:cvnDellInc.:ct7:cvr:
dmi.product.name: Precision WorkStation T7500
dmi.sys.vendor: Dell Inc.
fglrx: Not loaded
system:
distro: Ubuntu
architecture: x86_64kernel: 2.6.31-20-generic
** Affects: nvidia-graphics-drivers-180 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug
--
GLX extension loaded but GLX visuals not available
https://bugs.launchpad.net/bugs/570570
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