DPMS not working on GTX980 with DisplayPort connection
I'm seeing the same thing with a GTX 670 ever since updating to the 355.06-r1 drivers. Gentoo, Dell U3014 monitor connected via DP. My Xorg.0.log file is now filled with: [296349.058] (--) NVIDIA(GPU-0): DFP-3: disconnected [296349.058] (--) NVIDIA(GPU-0): DFP-3: Internal TMDS [296349.058] (--) NVIDIA(GPU-0): DFP-3: 330.0 MHz maximum pixel clock [296349.058] (--) NVIDIA(GPU-0): [296349.058] (--) NVIDIA(GPU-0): DELL U3014 (DFP-4): connected [296349.058] (--) NVIDIA(GPU-0): DELL U3014 (DFP-4): Internal DisplayPort [296349.058] (--) NVIDIA(GPU-0): DELL U3014 (DFP-4): 960.0 MHz maximum pixel clock [296349.058] (--) NVIDIA(GPU-0): [296528.803] (--) NVIDIA(GPU-0): CRT-0: disconnected [296528.803] (--) NVIDIA(GPU-0): CRT-0: 400.0 MHz maximum pixel clock [296528.803] (--) NVIDIA(GPU-0): [296528.806] (--) NVIDIA(GPU-0): DFP-0: disconnected [296528.806] (--) NVIDIA(GPU-0): DFP-0: Internal TMDS [296528.806] (--) NVIDIA(GPU-0): DFP-0: 330.0 MHz maximum pixel clock [296528.806] (--) NVIDIA(GPU-0): [296528.806] (--) NVIDIA(GPU-0): DFP-1: disconnected [296528.806] (--) NVIDIA(GPU-0): DFP-1: Internal TMDS [296528.806] (--) NVIDIA(GPU-0): DFP-1: 165.0 MHz maximum pixel clock [296528.806] (--) NVIDIA(GPU-0): [296528.806] (--) NVIDIA(GPU-0): DFP-2: disconnected [296528.806] (--) NVIDIA(GPU-0): DFP-2: Internal TMDS [296528.806] (--) NVIDIA(GPU-0): DFP-2: 165.0 MHz maximum pixel clock [296528.806] (--) NVIDIA(GPU-0): [296528.806] (--) NVIDIA(GPU-0): DFP-3: disconnected [296528.806] (--) NVIDIA(GPU-0): DFP-3: Internal TMDS [296528.806] (--) NVIDIA(GPU-0): DFP-3: 330.0 MHz maximum pixel clock [296528.806] (--) NVIDIA(GPU-0): [296528.807] (--) NVIDIA(GPU-0): DELL U3014 (DFP-4): connected [296528.807] (--) NVIDIA(GPU-0): DELL U3014 (DFP-4): Internal DisplayPort [296528.807] (--) NVIDIA(GPU-0): DELL U3014 (DFP-4): 960.0 MHz maximum pixel clock [296528.807] (--) NVIDIA(GPU-0): Repeated several dozen times. The previous driver did not cause entries like this--it only has one set of these entries at initialization.
I'm seeing the same thing with a GTX 670 ever since updating to the 355.06-r1 drivers.
Gentoo, Dell U3014 monitor connected via DP.

My Xorg.0.log file is now filled with:

[296349.058] (--) NVIDIA(GPU-0): DFP-3: disconnected
[296349.058] (--) NVIDIA(GPU-0): DFP-3: Internal TMDS
[296349.058] (--) NVIDIA(GPU-0): DFP-3: 330.0 MHz maximum pixel clock
[296349.058] (--) NVIDIA(GPU-0):
[296349.058] (--) NVIDIA(GPU-0): DELL U3014 (DFP-4): connected
[296349.058] (--) NVIDIA(GPU-0): DELL U3014 (DFP-4): Internal DisplayPort
[296349.058] (--) NVIDIA(GPU-0): DELL U3014 (DFP-4): 960.0 MHz maximum pixel clock
[296349.058] (--) NVIDIA(GPU-0):
[296528.803] (--) NVIDIA(GPU-0): CRT-0: disconnected
[296528.803] (--) NVIDIA(GPU-0): CRT-0: 400.0 MHz maximum pixel clock
[296528.803] (--) NVIDIA(GPU-0):
[296528.806] (--) NVIDIA(GPU-0): DFP-0: disconnected
[296528.806] (--) NVIDIA(GPU-0): DFP-0: Internal TMDS
[296528.806] (--) NVIDIA(GPU-0): DFP-0: 330.0 MHz maximum pixel clock
[296528.806] (--) NVIDIA(GPU-0):
[296528.806] (--) NVIDIA(GPU-0): DFP-1: disconnected
[296528.806] (--) NVIDIA(GPU-0): DFP-1: Internal TMDS
[296528.806] (--) NVIDIA(GPU-0): DFP-1: 165.0 MHz maximum pixel clock
[296528.806] (--) NVIDIA(GPU-0):
[296528.806] (--) NVIDIA(GPU-0): DFP-2: disconnected
[296528.806] (--) NVIDIA(GPU-0): DFP-2: Internal TMDS
[296528.806] (--) NVIDIA(GPU-0): DFP-2: 165.0 MHz maximum pixel clock
[296528.806] (--) NVIDIA(GPU-0):
[296528.806] (--) NVIDIA(GPU-0): DFP-3: disconnected
[296528.806] (--) NVIDIA(GPU-0): DFP-3: Internal TMDS
[296528.806] (--) NVIDIA(GPU-0): DFP-3: 330.0 MHz maximum pixel clock
[296528.806] (--) NVIDIA(GPU-0):
[296528.807] (--) NVIDIA(GPU-0): DELL U3014 (DFP-4): connected
[296528.807] (--) NVIDIA(GPU-0): DELL U3014 (DFP-4): Internal DisplayPort
[296528.807] (--) NVIDIA(GPU-0): DELL U3014 (DFP-4): 960.0 MHz maximum pixel clock
[296528.807] (--) NVIDIA(GPU-0):

Repeated several dozen times.
The previous driver did not cause entries like this--it only has one set of these entries at initialization.

#16
Posted 08/26/2015 04:28 PM   
Reverting to 352.30 driver fixed the problem--so something in the newer driver broke. Testable simply via: xset dpms force off When working, the display blanks and a few seconds later goes into energy saving mode turning off the backlight. With the broken driver, the screen blanks, but the backlight stays on indefinitely.
Reverting to 352.30 driver fixed the problem--so something in the newer driver broke.

Testable simply via:

xset dpms force off

When working, the display blanks and a few seconds later goes into energy saving mode turning off the backlight. With the broken driver, the screen blanks, but the backlight stays on indefinitely.

#17
Posted 09/11/2015 02:31 PM   
[quote="toddInPortland"]The first turns off the displays just fine. The second cannot turn off the display. 'xset dpms force off' just blanks the screens, but the backlight remains on. That's what happens when the screen saver turns off the display. I have tried it with and without a locker and the displays never turn off. I have spent a bunch of time with this system trying to convince it to turn off with dpms, but no luck. xrandr works, but that's an incomplete description. One of the comments was whether the display itself had dmps enabled, but I don't see a way to do that with the ACERs. Any suggestions?[/quote] i have the same issue! GTX 970 with 355.06 driver on Ubuntu 14.04.3 kernel 3.19 and a displayport 1.2 monitor please fix it! thanks
toddInPortland said:The first turns off the displays just fine.

The second cannot turn off the display. 'xset dpms force off' just blanks the screens, but the backlight remains on. That's what happens when the screen saver turns off the display. I have tried it with and without a locker and the displays never turn off. I have spent a bunch of time with this system trying to convince it to turn off with dpms, but no luck. xrandr works, but that's an incomplete description. One of the comments was whether the display itself had dmps enabled, but I don't see a way to do that with the ACERs.

Any suggestions?


i have the same issue! GTX 970 with 355.06 driver on Ubuntu 14.04.3 kernel 3.19 and a displayport 1.2 monitor

please fix it!

thanks

#18
Posted 09/15/2015 03:39 PM   
Same behaviour with a GTX660Ti and a Dell U2711 (2560x1440) in DisplayPort. [u]Setup is:[/u] [list] [.]Linux (Fedora 22) with kernel 4.1.6-201.fc22.x86_64[/.] [.]nvidia drivers (355.11-1) from negativo17 repo (http://negativo17.org/repos/nvidia/fedora-$releasever/$basearch/)[/.] [.]GTX660Ti[/.] [.]Dell U2711 on DP[/.] [/list] With nouveau drivers, blanking screen switch off backlight. Seems to be since 355.xx drivers. [u]More information:[/u] lspci: [code]01:00.0 VGA compatible controller: NVIDIA Corporation GK104 [GeForce GTX 660 Ti] (rev a1)[/code] lsmod | grep nvidia: [code]nvidia 8667136 118 drm 331776 6 nvidia[/code] dnf list installed | grep kernel (simplified, v. 4.1.6-201.fc22 everywhere): [code]kernel.x86_64 kernel-core.x86_64 kernel-devel.x86_64 kernel-headers.x86_64 kernel-modules.x86_64 kernel-modules-extra.x86_64[/code] dnf list installed | grep nvidia (simplified, v. 355.11-1.fc22 everywhere): [code] akmod-nvidia.x86_64 kmod-nvidia.x86_64 nvidia-driver.x86_64 nvidia-driver-NVML.x86_64 nvidia-driver-libs.x86_64 nvidia-libXNVCtrl.x86_64 nvidia-settings.x86_64[/code] I hope that it helps! Thanks
Same behaviour with a GTX660Ti and a Dell U2711 (2560x1440) in DisplayPort.

Setup is:
  • Linux (Fedora 22) with kernel 4.1.6-201.fc22.x86_64
  • nvidia drivers (355.11-1) from negativo17 repo (http://negativo17.org/repos/nvidia/fedora-$releasever/$basearch/)
  • GTX660Ti
  • Dell U2711 on DP


With nouveau drivers, blanking screen switch off backlight. Seems to be since 355.xx drivers.

More information:
lspci:
01:00.0 VGA compatible controller: NVIDIA Corporation GK104 [GeForce GTX 660 Ti] (rev a1)

lsmod | grep nvidia:
nvidia  8667136  118
drm 331776 6 nvidia

dnf list installed | grep kernel (simplified, v. 4.1.6-201.fc22 everywhere):
kernel.x86_64
kernel-core.x86_64
kernel-devel.x86_64
kernel-headers.x86_64
kernel-modules.x86_64
kernel-modules-extra.x86_64

dnf list installed | grep nvidia (simplified, v. 355.11-1.fc22 everywhere):
akmod-nvidia.x86_64
kmod-nvidia.x86_64
nvidia-driver.x86_64
nvidia-driver-NVML.x86_64
nvidia-driver-libs.x86_64
nvidia-libXNVCtrl.x86_64
nvidia-settings.x86_64


I hope that it helps!

Thanks

#19
Posted 09/20/2015 12:51 PM   
which driver version can i use till new drivers will be come with the fix for the problem?
which driver version can i use till new drivers will be come with the fix for the problem?

#20
Posted 10/03/2015 10:30 AM   
352.41 still had the issue. changed to 346.96 = works fine.
352.41 still had the issue. changed to 346.96 = works fine.

#21
Posted 10/04/2015 08:08 PM   
Also on Gentoo. GeForce 980 GTX + Dell U3014 and was getting the exact same issue. My Dell U3011 which acts as the left monitor does not get this issue. Downgrading to 346 solves this.
Also on Gentoo. GeForce 980 GTX + Dell U3014 and was getting the exact same issue. My Dell U3011 which acts as the left monitor does not get this issue. Downgrading to 346 solves this.

#22
Posted 10/16/2015 05:45 AM   
I tried upgrading to 358.09 and still had the issue. 346.96 (346.96-r1) is where to be for now if you own a monitor like mine (Dell U3014).
I tried upgrading to 358.09 and still had the issue. 346.96 (346.96-r1) is where to be for now if you own a monitor like mine (Dell U3014).

#23
Posted 10/19/2015 05:21 PM   
I've the same problem on Kubuntu 15.10: ii nvidia-352 352.41-0ubuntu1 amd64 NVIDIA binary driver - version 352.41 Monitor: Dell U2711
I've the same problem on Kubuntu 15.10:

ii nvidia-352 352.41-0ubuntu1 amd64 NVIDIA binary driver - version 352.41

Monitor: Dell U2711

#24
Posted 10/24/2015 03:03 PM   
From reading this thread looks like I have the same issue with driver 352.41 on Ubuntu 15.10. The monitor does not enter energy save mode nor does it shutdown the backlight on `xset dpms force off`. Configuration: - Nvidia Driver 352.41 - Ubuntu 15.10 - kernel 4.2.0-16-generic - NVS 310 card - Dell UP2414Q monitor on DisplayPort I reverted just the Nvidia driver to 340.93 and it works as expected. Please fix.
From reading this thread looks like I have the same issue with driver 352.41 on Ubuntu 15.10. The monitor does not enter energy save mode nor does it shutdown the backlight on `xset dpms force off`.

Configuration:
- Nvidia Driver 352.41
- Ubuntu 15.10 - kernel 4.2.0-16-generic
- NVS 310 card
- Dell UP2414Q monitor on DisplayPort

I reverted just the Nvidia driver to 340.93 and it works as expected. Please fix.

#25
Posted 10/29/2015 04:41 PM   
I'm having the same problem over HDMI: - nvidia-352 (352.41-0ubuntu1) - Ubuntu 15.10 - kernel 4.2.0-16-generic - MSI GTX950 - Vizio M49-C1
I'm having the same problem over HDMI:

- nvidia-352 (352.41-0ubuntu1)
- Ubuntu 15.10 - kernel 4.2.0-16-generic
- MSI GTX950
- Vizio M49-C1

#26
Posted 10/30/2015 09:05 AM   
FYI, I can get the output working again by moving the screen to the DisplayPort output (with dp-HDMI adapter) and then back to the HDMI output on the card.
FYI, I can get the output working again by moving the screen to the DisplayPort output (with dp-HDMI adapter) and then back to the HDMI output on the card.

#27
Posted 10/30/2015 09:06 AM   
I just upgraded to a 980ti and 352.55 on Debian Jessie and have encountered this issue with multiple monitors. I'm currently running 4 monitors: DisplayPort x 2 (Dell U2410, Dell U3011) DVI x 1 (BenQ 241W) HDMI x 1 (Vizio M49-CT) The DVI and HDMI ports are turning off with DPMS but the DisplayPort connections are only blanking. I was previously running a 3 monitor setup on a 660ti with driver version 340.65 in the following configuration and never had any DPMS issues: DisplayPort x 1 (Dell U3011) DVI x 2 (BenQ 241W, Dell U2410)
I just upgraded to a 980ti and 352.55 on Debian Jessie and have encountered this issue with multiple monitors.

I'm currently running 4 monitors:

DisplayPort x 2 (Dell U2410, Dell U3011)
DVI x 1 (BenQ 241W)
HDMI x 1 (Vizio M49-CT)

The DVI and HDMI ports are turning off with DPMS but the DisplayPort connections are only blanking.

I was previously running a 3 monitor setup on a 660ti with driver version 340.65 in the following configuration and never had any DPMS issues:

DisplayPort x 1 (Dell U3011)
DVI x 2 (BenQ 241W, Dell U2410)

#28
Posted 11/15/2015 07:27 PM   
fyi - just found this post as I had the same issue. I have a new Dell U3415W connected to a GTX 980 via the Dell provided displayport cable, using DP 1.2 I thought you might be interested to learn that it seems to have been an NVIDIA regression - fixed in Version: 352.63 (released 16/11/2015) "Fixed a regression that prevented DPMS from working correctly on some DisplayPort displays." all working fine for me now (so far!)
fyi - just found this post as I had the same issue.
I have a new Dell U3415W connected to a GTX 980 via the Dell provided displayport cable, using DP 1.2
I thought you might be interested to learn that it seems to have been an NVIDIA regression - fixed in Version: 352.63 (released 16/11/2015)
"Fixed a regression that prevented DPMS from working correctly on some DisplayPort displays."

all working fine for me now (so far!)

#29
Posted 11/17/2015 04:17 PM   
Yeah, same here sadly. It's been like it since the 352.xx release IIRC. GPU is: NVIDIA GPU GeForce GTX 670 (GK104) at PCI:1:0:0 (GPU-0) The DVI and HDMI displays turn off correctly, the DP one (Ancor Communications Inc ASUS PB278) doesn't - the screen blanks but doesn't turn off. I'm on an updated Arch install so everything else should be current. @aplattner: if you need anything else let me know :)
Yeah, same here sadly. It's been like it since the 352.xx release IIRC. GPU is: NVIDIA GPU GeForce GTX 670 (GK104) at PCI:1:0:0 (GPU-0)

The DVI and HDMI displays turn off correctly, the DP one (Ancor Communications Inc ASUS PB278) doesn't - the screen blanks but doesn't turn off.

I'm on an updated Arch install so everything else should be current.

@aplattner: if you need anything else let me know :)

#30
Posted 11/18/2015 10:04 AM   
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