By default, the Mesa libraries are already installed. After installing
nvidia-current (the nvidia
driver you've installed through the jockey), the default becomes
nvidia sinds it takes precedence
over the mesa ones. To change that, use:
update-alternatives --config i386-linux-gnu_gl_conf
/usr/lib/i386-linux-gnu/mesa/ld.so.conf
Repeat it for x86_64 if you run a 64-bit OS.
Note that Optimus is not supported for Linux, so you really have to
use a solution like
Bumblebee or change your BIOS settings.
Regards,
Lekensteyn
On Fri, Oct 21, 2011 at 9:42 AM, Matthias Loidolt
<kedapperdrake@xxxxxxxxxxxxxx <mailto:kedapperdrake@xxxxxxxxxxxxxx>>
wrote:
Yes, I'm still using Ubuntu, it's oneiric on my laptop. How can I
install them side-by-side? I installed the nvidia driver via
jockey, but i didn't see any configuration there.
Should i just install it and then change the alternative?
Am 20.10.2011 23:49, schrieb Lekensteyn:
Hi,
Are you still using Ubuntu? (I noticed Dapper Drake in your email.)
Ubuntu allows for having the libraries installed side-by-side and
then use the alternatives
system to set the OpenGL at your choice. Bumblebee sets the
default driver to Mesa
(necessary for the Intel GPU) and sets the ModulePath to the one
containing the nvidia
drivers.
For the Bumblebee project, see
https://github.com/Bumblebee-Project/Bumblebee.
Regards,
Lekensteyn
https://twitter.com/Lekensteyn
Bumblebee Developer
https://twitter.com/Team_Bumblebee
On Thu, Oct 20, 2011 at 11:09 PM, Dapper
<kedapperdrake@xxxxxxxxxxxxxx
<mailto:kedapperdrake@xxxxxxxxxxxxxx>> wrote:
Hi guys,
I have a new Thinkpad W520 with Nvidia Quadro 2000M and an
Intel HD 3000.
Maybe you know that it has a hardware mux, so I could use
both of them, but I have to switch in BIOS and
install/uninstall the nvidia driver.
In optimus mode, I can only use the Intel card, including 3D
acceleration for it (if nvidia driver isn't installd), but
the nvidia card is still active. Thanks to acpi_call, i think
i managed to disable the nvidia card:
I have to unload nouveau ( rmmod nouveau ), then to load
acpi_call ( modprobe acpi_call), and then I can run
test_off.sh, which works with the method
\_SB.PCI0.PEG.VID._DSM. After that, the card still shows up
in lspci, but it doesn't show up in powertop anymore.
I adapted Erik Andresen's script for his T420, and now it
works for me.
But there are still 2 problems left:
1. The rc6 sleep state of the intel gpu doesn't work (not
really a problem for this mailing list, i know)
2. I can't use 3D acceleration parallel with both GPUs. Do
you know a way how to install the intel and the nvidia driver
parallel without letting nvidia's one overwrite the intel
libraries for 3D (I think that's why the intel one doesn't
accelerate when nvidia driver is installed)?
If i could install them parallel, my next step would be to
try out ironhide or bumblebee.
Thanks in advance, and sorry for my english,
Matthias
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