I even tried to manually load the module with modeset=1, yes.
Will have to try again, maybe there has been a change since I last tried that
fixes it. But I'm sceptical.
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On 07/19/2017 01:22 PM, Tommy Nevtelen wrote:
> What do you mean when you say it's working? On 17.10 the display just
> freezes when I load the nvidia driver 378 or 384 with modeset=1.
>
Did you do as I laid out in link above? Works just fine here in 17.10 &
16.04.3 (from -proposed
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What do you mean when you say it's working? On 17.10 the display just
freezes when I load the nvidia driver 378 or 384 with modeset=1.
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Title:
Is now working but users need to set up themselves, instructions here
https://ubuntuforums.org/showthread.php?t=2365449=13663158=1#post13663158
** Changed in: lightdm (Ubuntu)
Status: Confirmed => Fix Released
** Changed in: nvidia-prime (Ubuntu)
Status: Confirmed => Fix Released
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: lightdm (Ubuntu)
Status: New => Confirmed
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Title:
Checking in 17.10 PRIME Synchronization can be enabled & works in
UbuntuGnome but doesn't in Ubuntu. Main reason is in UbuntuGnome
nvidia_drm.modeset can be enabled, in Ubuntu it can't.
ex.'s
UbuntuGnome, gdm3
$ sudo cat /sys/module/nvidia_drm/parameters/modeset
[sudo] password for doug:
Y
$
** Tags added: artful
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Title:
PRIME synchronization not working with xserver-1.19.x
To manage notifications about this bug go to:
So, I just upgraded to 17.04 with Xorg 1.19.3 and nvidia 375.xx drivers.
By default, Ubuntu installed a modprobe.d file to set drm modeset = 0
for the nvidia kernel module and that seem to prevent Prime
Synchronization from working.
I tried to change the modeset to 1 so I could finally try the
** Description changed:
xserver-1.19.x is being proposed for 17.04, currently available in test ppa
https://launchpad.net/~canonical-x/+archive/ubuntu/x-staging
FFe - https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1671799
On 2 separate Optimus laptops there is no sign of it
I have a ThinkPad P50 and Prime sync is now working for me. I don't know
what change happened, sorry; it was two weeks since I did an update, and
it could be an updated kernel or updated xserver packages from Timo's
PPA. I have the 375 driver. And it works really well, it's marvellous
to behold
Tested with both nvidia-375 & nvidia-378 (deb packages) & various kernels
(ubuntu packaged
17.04 - same deal with 4.9.x & 4.10.x
16.04 - same deal with 4.8.x, 4.9.x & 4.10.x
In all cases see a single line in Xorg.0.log -
randr: falling back to unsynchronized pixmap sharing
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I can't see anything obviously wrong with your kernel output. It seems
as if the nvidia_modeset driver has loaded. I assume xrandr --verbose
output also reports PRIME sync: 0?
However, the NVidia forum has some reports by people with similar
problems, hinting at a potential incompatibility of the
** Attachment added: "kernel log"
https://bugs.launchpad.net/ubuntu/+source/nvidia-prime/+bug/1674304/+attachment/4848212/+files/kern.log
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On 03/27/2017 02:03 PM, Mario Kleiner wrote:
> Is the nvidia-drm module loaded and its drm modesetting enabled?
>
> E.g., via kernel cmdline option nvidia_drm.modeset=1
> cat /sys/module/nvidia_drm/parameters/modeset should be 1 or "Y"
>
> I think that isn't needed for PRIME outputs, but it is
Is the nvidia-drm module loaded and its drm modesetting enabled?
E.g., via kernel cmdline option nvidia_drm.modeset=1
cat /sys/module/nvidia_drm/parameters/modeset should be 1 or "Y"
I think that isn't needed for PRIME outputs, but it is needed for the
new PRIME sync to work, so maybe not yet
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: nvidia-prime (Ubuntu)
Status: New => Confirmed
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$ inxi -G
Graphics: Card-1: Intel 4th Gen Core Processor Integrated Graphics Controller
Card-2: NVIDIA GK107M [GeForce GT 755M]
Display Server: X.Org 1.19.3 drivers: modesetting,nvidia
Resolution: 1920x1080@59.91hz
GLX Renderer: GeForce GT
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