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#1 2016-11-02 13:13:18

Harrowed
Member
Registered: 2016-10-21
Posts: 8

Graphics problems (optimus, xrandr, compton)

Hi,

Managed to get BL installed to my new laptop but now I'm having some troubles  in driver installations.

So my laptop has of those Nvidia Optimus setups, aren't I lucky? After some searching trough these forums I found out that bumblebee is probably the way to go(?) I found this post and followed it. But there was a problem, the post tells to test the installation by running 'glxgears' and 'optirun glxgears'. 'glxgears' worked fine but 'optirun glxgears' didn't do anything nor print anything. Even 'optirun glxgears -info' just stops without printing anything. What's wrong?

Another problem I'm having is that my laptop's HDMI output isn't recognized by ARandR. Running xrandr produces the following:

xrandr: Failed to get size of gamma for output default
Screen 0: minimum 1920 x 1080, current 1920 x 1080, maximum 1920 x 1080
default connected 1920x1080+0+0 0mm x 0mm
   1920x1080      0.00*

Any help to get that one working?

Lastly, I'm experiencing pretty severe screen tearing on scrolling and full screen videos. Tried to update compton from the jessie-backports but that didn't help. Any pro tips to get rid of that?

So the laptop I have is Xiaomi Mi notebook Air 13.3". It has NVIDIA GeForce 940MX.

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#2 2016-11-02 18:22:50

Head_on_a_Stick
Member
From: London
Registered: 2015-09-29
Posts: 9,093
Website

Re: Graphics problems (optimus, xrandr, compton)

Harrowed wrote:

Lastly, I'm experiencing pretty severe screen tearing on scrolling and full screen videos. Tried to update compton from the jessie-backports but that didn't help. Any pro tips to get rid of that?

https://wiki.archlinux.org/index.php/NV … en_tearing

What is your actual hardware and drivers at the moment?

Run this command first to update the product ID database:

sudo update-pciids

Then post the output of this command:

lspci -knn | grep -iA2 '\''[030[02]\]'

Finally, did you add your user to the "bumblebee" group?

groups

https://wiki.debian.org/Bumblebee#Post-installation

Para todos todo, para nosotros nada

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#3 2016-11-02 18:30:28

Bearded_Blunder
Dodging A Bullet
From: Seat: seat0; vc7
Registered: 2015-09-29
Posts: 1,146

Re: Graphics problems (optimus, xrandr, compton)

So,  when did 

sudo apt-get install -t jessie-backports bumblebee-nvidia primus primus-libs:i386 nvidia-cuda-toolkit

did you notice if it pulled linux-headers-amd64 as a depend?  If so it will have pulled those from backports as well as bumblebee-nvidia. Which is likely to cause issues unless you also have the backported kernel.

At least that's what happened to me when I pulled something that needed headers from backports..
what is the output from

apt-cache policy linux-image-amd64

and 

apt-cache policy linux-headers-amd64

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#4 2016-11-03 01:02:33

Harrowed
Member
Registered: 2016-10-21
Posts: 8

Re: Graphics problems (optimus, xrandr, compton)

Head_on_a_Stick wrote:

That test line

nvidia-settings --assign CurrentMetaMode="nvidia-auto-select +0+0 { ForceFullCompositionPipeline = On }"

Results in

ERROR: Error resolving target specification '' (No targets match target
       specification), specified in assignment 'CurrentMetaMode=nvidia-auto-select
       +0+0 { ForceFullCompositionPipeline = On }'.
Head_on_a_Stick wrote:

What is your actual hardware and drivers at the moment?

Run this command first to update the product ID database:

sudo update-pciids

Then post the output of this command:

lspci -knn | grep -iA2 '\''[030[02]\]'
00:02.0 VGA compatible controller [0300]: Intel Corporation HD Graphics 520 [8086:1916] (rev 07)
	Subsystem: Device [1d72:1602]
00:14.0 USB controller [0c03]: Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller [8086:9d2f] (rev 21)
--
01:00.0 3D controller [0302]: NVIDIA Corporation Device [10de:134b] (rev ff)
02:00.0 Network controller [0280]: Intel Corporation Wireless 8260 [8086:24f3] (rev 3a)
	Subsystem: Intel Corporation Device [8086:9010]
Head_on_a_Stick wrote:

Finally, did you add your user to the "bumblebee" group?

groups

https://wiki.debian.org/Bumblebee#Post-installation

The user `harrowed' is already a member of `bumblebee'.

Seems so

Bearded_Blunder wrote:

Which is likely to cause issues unless you also have the backported kernel.

I have the backported kernel, I needed it for my wireless card.

linux-image-amd64:
  Asennettu: 4.7+75~bpo8+1
  Ehdokas:   4.7+75~bpo8+1
  Versiotaulukko:
 *** 4.7+75~bpo8+1 0
        100 http://httpredir.debian.org/debian/ jessie-backports/main amd64 Packages
        100 /var/lib/dpkg/status
     3.16+63 0
        500 http://ftp.fi.debian.org/debian/ jessie/main amd64 Packages
linux-headers-amd64:
  Asennettu: 4.7+75~bpo8+1
  Ehdokas:   4.7+75~bpo8+1
  Versiotaulukko:
 *** 4.7+75~bpo8+1 0
        100 http://httpredir.debian.org/debian/ jessie-backports/main amd64 Packages
        100 /var/lib/dpkg/status
     3.16+63 0
        500 http://ftp.fi.debian.org/debian/ jessie/main amd64 Packages

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#5 2016-11-03 01:06:25

damo
....moderator....
Registered: 2015-08-20
Posts: 6,734

Re: Graphics problems (optimus, xrandr, compton)

Just a thought -  did you enable discrete or integrated graphics in the BIOS?

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#6 2016-11-03 06:44:09

ohnonot
...again
Registered: 2015-09-29
Posts: 5,592

Re: Graphics problems (optimus, xrandr, compton)

Harrowed wrote:

So the laptop I have is Xiaomi Mi notebook Air 13.3". It has NVIDIA GeForce 940MX.

that's a pretty, new laptop.
stress on "new".
debian stable is not exactly new.
it might not be the most suitable distro for this hardware; i see you already backported the newest (or a newer) kernel, but i daresay similar problems will keep piling up.

edit:
hah, the next new thread should be relevant to you, too.

Last edited by ohnonot (2016-11-03 06:45:53)

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#7 2016-11-03 07:41:46

Head_on_a_Stick
Member
From: London
Registered: 2015-09-29
Posts: 9,093
Website

Re: Graphics problems (optimus, xrandr, compton)

Harrowed wrote:
Head_on_a_Stick wrote:

That test line

nvidia-settings --assign CurrentMetaMode="nvidia-auto-select +0+0 { ForceFullCompositionPipeline = On }"

Results in

ERROR: Error resolving target specification '' (No targets match target
       specification), specified in assignment 'CurrentMetaMode=nvidia-auto-select
       +0+0 { ForceFullCompositionPipeline = On }'.

How strange, that suggestion has worked for several NVIDIA users over at the Arch Forums, perhaps the jessie version of nvidia-settings does not offer that option -- there is a newer version in jessie-backports if you want to try that:

https://packages.debian.org/jessie-back … a-settings

The `lspci` output shows that you currently have no video drivers loaded at all and that you have a Broadwell Intel integrated card which will need a newer DDX video driver & Mesa version to work properly, see this guide for more:

https://forums.bunsenlabs.org/viewtopic.php?id=1185

You can check which NVIDIA driver is needed by using:

nvidia-detect

https://packages.debian.org/nvidia-detect

Finally, note that any and all Xorg configuration files relating to your video cards must be removed for Bumblebee to work correctly.

From the Debian wiki page:

Warning: If you choose to install bumblebee-nvidia and the dependent nvidia driver packages, during postinst, you will see a debconf prompt warning you that you need to create a xorg.conf file in order to use the proprietary nvidia driver. This prompt only applies to non-Optimus users, i.e. single Nvidia GPU systems. Do NOT allow debconf to create a xorg.conf file, and do NOT run nvidia-xconfig!

https://wiki.debian.org/Bumblebee

ohnonot wrote:

it might not be the most suitable distro for this hardware

+1

Para todos todo, para nosotros nada

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#8 2016-11-03 19:34:41

Head_on_a_Stick
Member
From: London
Registered: 2015-09-29
Posts: 9,093
Website

Re: Graphics problems (optimus, xrandr, compton)

Just remembered that forum member and all-round Legend @stevep has a similarly-spec'd laptop that seems to be working now under Debian jessie with numerous custom backported packages:

http://forums.debian.net/viewtopic.php?p=627875#p627875

His OBS thread is here:

http://forums.debian.net/viewtopic.php?f=6&t=127574

Para todos todo, para nosotros nada

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#9 2016-11-04 20:55:29

stevep
MX Linux Developer
Registered: 2016-08-08
Posts: 381

Re: Graphics problems (optimus, xrandr, compton)

First thing is to get the Skylake graphics working, for which you need the Intel graphics driver from backports, the backports kernel, and the Mesa 12.0.3 in backports also. You may also want to set a custom 20-intel.conf file to have it use UXA acceleration.  The modesetting driver that is often suggested doesn't seem to work very well, stick with the Intel driver.

# /etc/X11/xorg.conf.d/20-intel.conf

Section "Device"
   Identifier  "Intel Graphics"
   Driver      "intel"
   Option      "AccelMethod"  "uxa"
   Option      "TearFree"     "true"
EndSection

The review I saw on Youtube for my laptop in Windows suggested that the Nvidia 940 MX only added maybe 25% in performance over the Intel, and that seems to match what I see. Maybe really not worth the trouble.  Anyway, for this chip the nvidia-driver must be at least 361, and you lucked out because 367.44 was just added to jessie-backports, so you should try the commands to set up Bumblebee in the Debian wiki from the backports repository.

Last edited by stevep (2016-11-04 21:18:09)

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