NVIDIA Has Major New Linux Driver: Optimus, RandR 1.4

tuke81 replied

11 April 2013, 01:41 PM
Originally posted by dh04000 View Post

Is the tearing issue fixable by Nvidia or Intel via driver changes or is this something that the technology just has to live with?

GLX_EXT_buffer_age should fix those problems. It's compositing window managers which have to take advantage of it.
Leave a comment:
dh04000 replied

11 April 2013, 01:21 PM
Is the tearing issue fixable by Nvidia or Intel via driver changes or is this something that the technology just has to live with?
Leave a comment:
zzippy replied

11 April 2013, 11:11 AM
Originally posted by tuke81 View Post

Are you configured your X as suggested in readme:
http://us.download.nvidia.com/XFree8...E/randr14.html

Yep. If you mean the xorg.conf file. If you mean the kernel CONFIG_DRM parameters -admit beyond my knowledge- : I don't know. Using Ubuntu Mainline 3.9 rc6. Could this be the point?

Originally posted by tuke81 View Post

You will need a xorg modesetting driver for kms(in ubuntu it's named xserver-xorg-video-modesetting).

Thought Intel >2.21.5 should work also? I started with modesetting driver, same.
Leave a comment:
cchandel replied

11 April 2013, 10:26 AM
It works - but with some tearing

Hi,
I managed to get the NVidia GPU to render throught the Intel GPU to a Laptop Screen as well as over HDMI to and external monitor.

Process detailed at http://www.barunisystems.com/index.p...page?view=blog
Regards,
Chaitanya
Leave a comment:
tuke81 replied

11 April 2013, 10:19 AM
Originally posted by zzippy View Post

Same here. If you make any progress, it would be great if you could send me a PM to point me in the right direction. Btw, I wonder if this error in Xorg.0.log
could be related:
[ 2791.538] (EE) Screen 1 deleted because of no matching config section.
[ 2791.538] (II) UnloadModule: "intel"

Are you configured your X as suggested in readme:

Chapter 32. Offloading Graphics Display with RandR 1.4

http://us.download.nvidia.com/XFree86/Linux-x86/319.12/README/randr14.html

You will need a xorg modesetting driver for kms(in ubuntu it's named xserver-xorg-video-modesetting).
Leave a comment:
zzippy replied

11 April 2013, 09:52 AM
Originally posted by LLStarks View Post

I'm pretty close to getting "Optimus" working. Unfortunately, my Nvidia card isn't wired to HDMI or any output and the LVDS doesn't want to play nice.

I'm getting a blank, backlit screen. X will start without complaining, run programs invisibly and glxinfo will report Nvidia, but there's nothing on the LVDS or HDMI.

Providers for Nvidia and modesetting (or Intel, I've tested both) report properly.

Same here. If you make any progress, it would be great if you could send me a PM to point me in the right direction. Btw, I wonder if this error in Xorg.0.log
could be related:
[ 2791.538] (EE) Screen 1 deleted because of no matching config section.
[ 2791.538] (II) UnloadModule: "intel"
Leave a comment:
pandev92 replied

10 April 2013, 02:14 PM
Originally posted by Sonadow View Post

Do the crazy logging activities affect normal performance with the driver?

It is a beta
Leave a comment:
towo2099 replied

10 April 2013, 01:22 PM
Since those messages blowing up the logfiles, after a while the desktop does not response anymore.
So i can't say anything about the performance, i have switched back to 313.30 driver.
Leave a comment:

Sonadow replied

10 April 2013, 01:14 PM

Originally posted by towo2099 View Post

For me this driver is not realy good.
With this driver i have a lot of spam like

Code:

Apr 10 17:19:28 Defiant kernel: [  949.556429] BUG: using smp_processor_id() in preemptible [00000000] code: Xorg/7764
Apr 10 17:19:28 Defiant kernel: [  949.556478] caller is _nv012291rm+0x9/0xe [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.556480] Pid: 7764, comm: Xorg Tainted: P           O 3.9.0-rc6-experimental-amd64 #1
Apr 10 17:19:28 Defiant kernel: [  949.556482] Call Trace:
Apr 10 17:19:28 Defiant kernel: [  949.556485]  [<ffffffff811a1a11>] ? debug_smp_processor_id+0xc9/0xe0
Apr 10 17:19:28 Defiant kernel: [  949.556534]  [<ffffffffa189369b>] ? _nv012291rm+0x9/0xe [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.556593]  [<ffffffffa13ebbe3>] ? _nv015426rm+0x34/0x17a [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.556652]  [<ffffffffa13ebd68>] ? _nv015427rm+0x3f/0x78 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.556710]  [<ffffffffa13ebf70>] ? _nv015422rm+0x49/0x79 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.556837]  [<ffffffffa16d0698>] ? _nv007827rm+0x636/0xb4e [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.556963]  [<ffffffffa169fea2>] ? _nv006969rm+0xae2/0xfa5 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.557020]  [<ffffffffa13db32c>] ? _nv000778rm+0x404/0x485 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.557086]  [<ffffffffa13cfb17>] ? _nv000699rm+0xa8/0xf9 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.557149]  [<ffffffffa13cfada>] ? _nv000699rm+0x6b/0xf9 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.557204]  [<ffffffffa188ff6d>] ? _nv000790rm+0x4bd/0x9ee [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.557256]  [<ffffffffa189940b>] ? rm_ioctl+0x76/0x100 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.557303]  [<ffffffffa18b687f>] ? nv_kern_ioctl+0x334/0x39a [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.557351]  [<ffffffffa18b691b>] ? nv_kern_unlocked_ioctl+0x19/0x1d [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.557354]  [<ffffffff810f87c2>] ? vfs_ioctl+0x1e/0x31
Apr 10 17:19:28 Defiant kernel: [  949.557357]  [<ffffffff810f8f9f>] ? do_vfs_ioctl+0x3b4/0x3f6
Apr 10 17:19:28 Defiant kernel: [  949.557361]  [<ffffffff810ebb47>] ? fdget+0xe/0x17
Apr 10 17:19:28 Defiant kernel: [  949.557363]  [<ffffffff810ec2c0>] ? vfs_read+0xac/0xf5
Apr 10 17:19:28 Defiant kernel: [  949.557367]  [<ffffffff810f902e>] ? sys_ioctl+0x4d/0x7b
Apr 10 17:19:28 Defiant kernel: [  949.557370]  [<ffffffff8135cbe9>] ? system_call_fastpath+0x16/0x1b
Apr 10 17:19:28 Defiant kernel: [  949.557375] BUG: using smp_processor_id() in preemptible [00000000] code: Xorg/7764
Apr 10 17:19:28 Defiant kernel: [  949.557424] caller is _nv012291rm+0x9/0xe [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.557427] Pid: 7764, comm: Xorg Tainted: P           O 3.9.0-rc6-experimental-amd64 #1
Apr 10 17:19:28 Defiant kernel: [  949.557428] Call Trace:
Apr 10 17:19:28 Defiant kernel: [  949.557431]  [<ffffffff811a1a11>] ? debug_smp_processor_id+0xc9/0xe0
Apr 10 17:19:28 Defiant kernel: [  949.557480]  [<ffffffffa189369b>] ? _nv012291rm+0x9/0xe [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.557539]  [<ffffffffa13ebbe3>] ? _nv015426rm+0x34/0x17a [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.557598]  [<ffffffffa13ebd68>] ? _nv015427rm+0x3f/0x78 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.557725]  [<ffffffffa16d1528>] ? _nv013974rm+0x978/0x1960 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.557852]  [<ffffffffa16c9696>] ? _nv003406rm+0x47f1/0xb1bd [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.557977]  [<ffffffffa16942bd>] ? _nv006653rm+0x5a/0xa5 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.558025]  [<ffffffffa168bfc0>] ? _nv006968rm+0x1a8/0x1c3 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.558238]  [<ffffffffa16a008a>] ? _nv006969rm+0xcca/0xfa5 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.558300]  [<ffffffffa13db32c>] ? _nv000778rm+0x404/0x485 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.558361]  [<ffffffffa13cfb17>] ? _nv000699rm+0xa8/0xf9 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.558419]  [<ffffffffa13cfada>] ? _nv000699rm+0x6b/0xf9 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.558471]  [<ffffffffa188ff6d>] ? _nv000790rm+0x4bd/0x9ee [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.558520]  [<ffffffffa189940b>] ? rm_ioctl+0x76/0x100 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.558567]  [<ffffffffa18b687f>] ? nv_kern_ioctl+0x334/0x39a [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.558613]  [<ffffffffa18b691b>] ? nv_kern_unlocked_ioctl+0x19/0x1d [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.558615]  [<ffffffff810f87c2>] ? vfs_ioctl+0x1e/0x31
Apr 10 17:19:28 Defiant kernel: [  949.558618]  [<ffffffff810f8f9f>] ? do_vfs_ioctl+0x3b4/0x3f6
Apr 10 17:19:28 Defiant kernel: [  949.558621]  [<ffffffff810ebb47>] ? fdget+0xe/0x17
Apr 10 17:19:28 Defiant kernel: [  949.558623]  [<ffffffff810ec2c0>] ? vfs_read+0xac/0xf5
Apr 10 17:19:28 Defiant kernel: [  949.558626]  [<ffffffff810f902e>] ? sys_ioctl+0x4d/0x7b
Apr 10 17:19:28 Defiant kernel: [  949.558629]  [<ffffffff8135cbe9>] ? system_call_fastpath+0x16/0x1b
Apr 10 17:19:28 Defiant kernel: [  949.558706] BUG: using smp_processor_id() in preemptible [00000000] code: Xorg/7764
Apr 10 17:19:28 Defiant kernel: [  949.558755] caller is _nv012291rm+0x9/0xe [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.558757] Pid: 7764, comm: Xorg Tainted: P           O 3.9.0-rc6-experimental-amd64 #1
Apr 10 17:19:28 Defiant kernel: [  949.558759] Call Trace:
Apr 10 17:19:28 Defiant kernel: [  949.558762]  [<ffffffff811a1a11>] ? debug_smp_processor_id+0xc9/0xe0
Apr 10 17:19:28 Defiant kernel: [  949.558811]  [<ffffffffa189369b>] ? _nv012291rm+0x9/0xe [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.558870]  [<ffffffffa13ebbe3>] ? _nv015426rm+0x34/0x17a [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.558929]  [<ffffffffa13ebd68>] ? _nv015427rm+0x3f/0x78 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.558987]  [<ffffffffa13eb46d>] ? _nv015435rm+0x35/0x34e [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.559108]  [<ffffffffa16d065f>] ? _nv007827rm+0x5fd/0xb4e [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.559250]  [<ffffffffa169fea2>] ? _nv006969rm+0xae2/0xfa5 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.559312]  [<ffffffffa13db32c>] ? _nv000778rm+0x404/0x485 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.559372]  [<ffffffffa13cfb17>] ? _nv000699rm+0xa8/0xf9 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.559432]  [<ffffffffa13cfada>] ? _nv000699rm+0x6b/0xf9 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.559485]  [<ffffffffa188ff6d>] ? _nv000790rm+0x4bd/0x9ee [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.559535]  [<ffffffffa189940b>] ? rm_ioctl+0x76/0x100 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.559582]  [<ffffffffa18b687f>] ? nv_kern_ioctl+0x334/0x39a [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.559628]  [<ffffffffa18b691b>] ? nv_kern_unlocked_ioctl+0x19/0x1d [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.559631]  [<ffffffff810f87c2>] ? vfs_ioctl+0x1e/0x31
Apr 10 17:19:28 Defiant kernel: [  949.559633]  [<ffffffff810f8f9f>] ? do_vfs_ioctl+0x3b4/0x3f6
Apr 10 17:19:28 Defiant kernel: [  949.559636]  [<ffffffff810ebb47>] ? fdget+0xe/0x17
Apr 10 17:19:28 Defiant kernel: [  949.559639]  [<ffffffff810ec2c0>] ? vfs_read+0xac/0xf5
Apr 10 17:19:28 Defiant kernel: [  949.559642]  [<ffffffff810f902e>] ? sys_ioctl+0x4d/0x7b
Apr 10 17:19:28 Defiant kernel: [  949.559645]  [<ffffffff8135cbe9>] ? system_call_fastpath+0x16/0x1b

on kernel 3.8.6 and 3.9-rc6.

Do the crazy logging activities affect normal performance with the driver?

Leave a comment:

towo2099 replied

10 April 2013, 01:04 PM

For me this driver is not realy good.
With this driver i have a lot of spam like

Code:

Apr 10 17:19:28 Defiant kernel: [  949.556429] BUG: using smp_processor_id() in preemptible [00000000] code: Xorg/7764
Apr 10 17:19:28 Defiant kernel: [  949.556478] caller is _nv012291rm+0x9/0xe [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.556480] Pid: 7764, comm: Xorg Tainted: P           O 3.9.0-rc6-experimental-amd64 #1
Apr 10 17:19:28 Defiant kernel: [  949.556482] Call Trace:
Apr 10 17:19:28 Defiant kernel: [  949.556485]  [<ffffffff811a1a11>] ? debug_smp_processor_id+0xc9/0xe0
Apr 10 17:19:28 Defiant kernel: [  949.556534]  [<ffffffffa189369b>] ? _nv012291rm+0x9/0xe [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.556593]  [<ffffffffa13ebbe3>] ? _nv015426rm+0x34/0x17a [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.556652]  [<ffffffffa13ebd68>] ? _nv015427rm+0x3f/0x78 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.556710]  [<ffffffffa13ebf70>] ? _nv015422rm+0x49/0x79 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.556837]  [<ffffffffa16d0698>] ? _nv007827rm+0x636/0xb4e [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.556963]  [<ffffffffa169fea2>] ? _nv006969rm+0xae2/0xfa5 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.557020]  [<ffffffffa13db32c>] ? _nv000778rm+0x404/0x485 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.557086]  [<ffffffffa13cfb17>] ? _nv000699rm+0xa8/0xf9 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.557149]  [<ffffffffa13cfada>] ? _nv000699rm+0x6b/0xf9 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.557204]  [<ffffffffa188ff6d>] ? _nv000790rm+0x4bd/0x9ee [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.557256]  [<ffffffffa189940b>] ? rm_ioctl+0x76/0x100 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.557303]  [<ffffffffa18b687f>] ? nv_kern_ioctl+0x334/0x39a [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.557351]  [<ffffffffa18b691b>] ? nv_kern_unlocked_ioctl+0x19/0x1d [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.557354]  [<ffffffff810f87c2>] ? vfs_ioctl+0x1e/0x31
Apr 10 17:19:28 Defiant kernel: [  949.557357]  [<ffffffff810f8f9f>] ? do_vfs_ioctl+0x3b4/0x3f6
Apr 10 17:19:28 Defiant kernel: [  949.557361]  [<ffffffff810ebb47>] ? fdget+0xe/0x17
Apr 10 17:19:28 Defiant kernel: [  949.557363]  [<ffffffff810ec2c0>] ? vfs_read+0xac/0xf5
Apr 10 17:19:28 Defiant kernel: [  949.557367]  [<ffffffff810f902e>] ? sys_ioctl+0x4d/0x7b
Apr 10 17:19:28 Defiant kernel: [  949.557370]  [<ffffffff8135cbe9>] ? system_call_fastpath+0x16/0x1b
Apr 10 17:19:28 Defiant kernel: [  949.557375] BUG: using smp_processor_id() in preemptible [00000000] code: Xorg/7764
Apr 10 17:19:28 Defiant kernel: [  949.557424] caller is _nv012291rm+0x9/0xe [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.557427] Pid: 7764, comm: Xorg Tainted: P           O 3.9.0-rc6-experimental-amd64 #1
Apr 10 17:19:28 Defiant kernel: [  949.557428] Call Trace:
Apr 10 17:19:28 Defiant kernel: [  949.557431]  [<ffffffff811a1a11>] ? debug_smp_processor_id+0xc9/0xe0
Apr 10 17:19:28 Defiant kernel: [  949.557480]  [<ffffffffa189369b>] ? _nv012291rm+0x9/0xe [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.557539]  [<ffffffffa13ebbe3>] ? _nv015426rm+0x34/0x17a [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.557598]  [<ffffffffa13ebd68>] ? _nv015427rm+0x3f/0x78 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.557725]  [<ffffffffa16d1528>] ? _nv013974rm+0x978/0x1960 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.557852]  [<ffffffffa16c9696>] ? _nv003406rm+0x47f1/0xb1bd [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.557977]  [<ffffffffa16942bd>] ? _nv006653rm+0x5a/0xa5 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.558025]  [<ffffffffa168bfc0>] ? _nv006968rm+0x1a8/0x1c3 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.558238]  [<ffffffffa16a008a>] ? _nv006969rm+0xcca/0xfa5 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.558300]  [<ffffffffa13db32c>] ? _nv000778rm+0x404/0x485 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.558361]  [<ffffffffa13cfb17>] ? _nv000699rm+0xa8/0xf9 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.558419]  [<ffffffffa13cfada>] ? _nv000699rm+0x6b/0xf9 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.558471]  [<ffffffffa188ff6d>] ? _nv000790rm+0x4bd/0x9ee [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.558520]  [<ffffffffa189940b>] ? rm_ioctl+0x76/0x100 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.558567]  [<ffffffffa18b687f>] ? nv_kern_ioctl+0x334/0x39a [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.558613]  [<ffffffffa18b691b>] ? nv_kern_unlocked_ioctl+0x19/0x1d [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.558615]  [<ffffffff810f87c2>] ? vfs_ioctl+0x1e/0x31
Apr 10 17:19:28 Defiant kernel: [  949.558618]  [<ffffffff810f8f9f>] ? do_vfs_ioctl+0x3b4/0x3f6
Apr 10 17:19:28 Defiant kernel: [  949.558621]  [<ffffffff810ebb47>] ? fdget+0xe/0x17
Apr 10 17:19:28 Defiant kernel: [  949.558623]  [<ffffffff810ec2c0>] ? vfs_read+0xac/0xf5
Apr 10 17:19:28 Defiant kernel: [  949.558626]  [<ffffffff810f902e>] ? sys_ioctl+0x4d/0x7b
Apr 10 17:19:28 Defiant kernel: [  949.558629]  [<ffffffff8135cbe9>] ? system_call_fastpath+0x16/0x1b
Apr 10 17:19:28 Defiant kernel: [  949.558706] BUG: using smp_processor_id() in preemptible [00000000] code: Xorg/7764
Apr 10 17:19:28 Defiant kernel: [  949.558755] caller is _nv012291rm+0x9/0xe [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.558757] Pid: 7764, comm: Xorg Tainted: P           O 3.9.0-rc6-experimental-amd64 #1
Apr 10 17:19:28 Defiant kernel: [  949.558759] Call Trace:
Apr 10 17:19:28 Defiant kernel: [  949.558762]  [<ffffffff811a1a11>] ? debug_smp_processor_id+0xc9/0xe0
Apr 10 17:19:28 Defiant kernel: [  949.558811]  [<ffffffffa189369b>] ? _nv012291rm+0x9/0xe [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.558870]  [<ffffffffa13ebbe3>] ? _nv015426rm+0x34/0x17a [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.558929]  [<ffffffffa13ebd68>] ? _nv015427rm+0x3f/0x78 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.558987]  [<ffffffffa13eb46d>] ? _nv015435rm+0x35/0x34e [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.559108]  [<ffffffffa16d065f>] ? _nv007827rm+0x5fd/0xb4e [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.559250]  [<ffffffffa169fea2>] ? _nv006969rm+0xae2/0xfa5 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.559312]  [<ffffffffa13db32c>] ? _nv000778rm+0x404/0x485 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.559372]  [<ffffffffa13cfb17>] ? _nv000699rm+0xa8/0xf9 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.559432]  [<ffffffffa13cfada>] ? _nv000699rm+0x6b/0xf9 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.559485]  [<ffffffffa188ff6d>] ? _nv000790rm+0x4bd/0x9ee [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.559535]  [<ffffffffa189940b>] ? rm_ioctl+0x76/0x100 [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.559582]  [<ffffffffa18b687f>] ? nv_kern_ioctl+0x334/0x39a [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.559628]  [<ffffffffa18b691b>] ? nv_kern_unlocked_ioctl+0x19/0x1d [nvidia]
Apr 10 17:19:28 Defiant kernel: [  949.559631]  [<ffffffff810f87c2>] ? vfs_ioctl+0x1e/0x31
Apr 10 17:19:28 Defiant kernel: [  949.559633]  [<ffffffff810f8f9f>] ? do_vfs_ioctl+0x3b4/0x3f6
Apr 10 17:19:28 Defiant kernel: [  949.559636]  [<ffffffff810ebb47>] ? fdget+0xe/0x17
Apr 10 17:19:28 Defiant kernel: [  949.559639]  [<ffffffff810ec2c0>] ? vfs_read+0xac/0xf5
Apr 10 17:19:28 Defiant kernel: [  949.559642]  [<ffffffff810f902e>] ? sys_ioctl+0x4d/0x7b
Apr 10 17:19:28 Defiant kernel: [  949.559645]  [<ffffffff8135cbe9>] ? system_call_fastpath+0x16/0x1b

on kernel 3.8.6 and 3.9-rc6.

Announcement

NVIDIA Has Major New Linux Driver: Optimus, RandR 1.4

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