You can configure the behaviour of Bumblebee to fit your needs. To manually turn the card on or off using bbswitch, write into /proc/acpi/bbswitch: The default behavior of bbswitch is to leave the card power state unchanged. The only way to make Optimus work dynamically on non-Windows OS is to use Bumblebee. to your account. Optimus Technology is a hybrid graphics implementation without a hardware multiplexer. On some notebooks, the digital Video Output (HDMI or DisplayPort) is hardwired to the NVIDIA chip. The tool connects local VirtualHeads to a remote output, allowing the primary display to extend onto the remote outputs. Bumblebee supports Intel + Nvidia combination only. Since compositing hurts performance, invoking primus when a compositing WM is active is not recommended. That's hard to explain with a few extra cycles needed for redirecting the output. However, my laptop screen got turned off. If the laptop screen is stretched and the cursor is misplaced while the external monitor shows only the cursor, try killing any running compositing managers. Add yourself to bumblebee group. The tool connects local VirtualHeads to a remote output, allowing the primary display to extend onto the remote outputs. As a result, the GPU may fail to power on, fail to power off or worse. The text was updated successfully, but these errors were encountered: Try switching off compositing. Using Bumblebee, applications cannot access the screen to identify and record it. In the “device” section, change option UseEDID to true. intel-virtual-output -f # To let the process attached to the terminal intel-virtual-output # To detach the process List the available screens (main screen + virtual). (Maybe use portage for intel-virtual-output program?) A quick check can be done with vulkaninfo from vulkan-tools. This happens, for example, using obs-studio with NVENC activated. You may have to register before you can post: click the register link above to proceed. How can I specify an unconnected output port as a virtual pin in the Quartus II software when using Synplify for synthesis? Before installing Bumblebee, check your BIOS and activate Optimus (older laptops call it "switchable graphics") if possible (BIOS does not have to provide this option). mplayer-vaapi and with -vsync parameter). Intel Linux; If this is your first visit, be sure to check out the FAQ by clicking the link above. Discrete graphics mode (Use BIOS 1.19 for the love of god, you could brick your laptop if you do this switch in the bios without that version) The laptop will only boot when the choice for intel graphics was made before switching to discrete graphics. This is a known problem with VirtualGL. nvaert1986. Asus N56VZ Intel® Core™ i7-3740QM CPU @ 2.70GHz × 8 64 bit Intel Corporation 3rd Gen Core processor Graphics Controller NVIDIA Corporation GK107 [GeForce GT 650M] I have the nouveau and i915 drivers installed Debian GNU/Linux 7.5 (wheezy) Gnome 3.4.2 In the details program, for graphics, it says Intel Ivybridge Mobile. After installing Bumblebee, the HDMI port works after modifying the following files, rebooting, and executing intel-virtual-output -f from an X server running on the iGPU. Comment 2 c 2015-04-28 09:19:41 UTC (In reply to Chris Wilson from comment #1 ) > Can you double check you are using a build from git? I tried it with sudo as well. You will also need to start games with "primusrun" or "optirun" as per usual. Or you simply want to disable the discrete graphics adapter completely on an Optimus laptop such as the Dell Latitude E6430, whose BIOS does not offer a way to do that. intel-virtual-output is a utility for Intel integrated graphics chipsets on hybrid systems. The BusID is 0:2:0. When you use intel virtual output and compositing for some reason all pixels are redrawn at each frame (as opposed to only the ones that are changed) which causes Xorg to use 70/80% CPU at pretty much all times. A virtual screen is an external screen. Set the "AutoAddDevices" option to "true" in /etc/bumblebee/xorg.conf.nvidia (see here): This could be worked around by appending following lines in /etc/bumblebee/xorg.conf.nvidia (see here): You probably want to start a 32-bit application with bumblebee on a 64-bit system. Running top in the background doesn't show much of a difference between issuing intel-virtual-output or not. May 6, 2020, 6:01pm #6. Improve this question. Running ‘intel-virtual-output’ (from the intel-gpu-tools rpm) without any extra parameters will daemonize itself and detect attached displays in the background. But I've had no luck. Install mesa-demos and use glxgears to test if if Bumblebee works with your Optimus system: If the window with animation shows up, Optimus with Bumblebee is working. I'm still a Gentoo n00b. Now I can't get the second display to work. Consider switching to the official nvidia driver. Run optirun true to start the Bumblebee X server if you want to start display output on your local screen; Run intel-virtual-output to plug the NVIDIA hardware outputs as virtual outputs on the current X screen; At this point the plugged external monitors will become available in XRandR, as virtual devices, e.g. It could be also necessary to comment the driver line in /etc/X11/xorg.conf.d/10-monitor.conf. Especially use VA-API for video decoding (e.g. Comment by Michał Kopeć (mkopec) - Thursday, 23 March 2017, 17:57 GMT intel-virtual-output only works with Intel DDX. When you connect a monitor to the HDMI or thunderbolt3 output of the ThinkPad, that will be connected directly to the NVIDIA’s output. Now I can't get the second display to work. intel-virtual-output gives me: ~ $ intel-virtual-output No VIRTUAL outputs on ":1". Nouveau video driver causes many troubles on NVIDIA Optimus cards. Try also disabling triple buffering. As a last resort, you can run 2 X Servers. Interestingly enough, I don't need to use any sort of virtual output on my laptop in order to get the nvidia driver to display to the laptop screen (which is wired to intel). To start viewing messages, select the forum that you want to visit from the selection below. However, uncompressed methods will mostly load the GPU. If it is still not fixed, try to disable compositing from your desktop environment. Announcement. DESCRIPTION intel-virtual-output is a utility for Intel integrated graphics chipsets on hybrid systems. Default power state of NVIDIA card using bbswitch, Enable NVIDIA card after waking from suspend, Multiple NVIDIA Graphics Cards or NVIDIA Optimus, Xlib: extension "GLX" missing on display ":0.0", [ERROR]Cannot access secondary GPU: No devices detected, NVIDIA(0): Failed to assign any connected display devices to X screen 0, Failed to initialize the NVIDIA GPU at PCI:1:0:0 (GPU fallen off the bus / RmInitAdapter failed! Make sure nvidia-persistenced.service is disabled and not currently active. Intel Community; FPGAs and Programmable Solutions; Programmable Devices; The virtual clock about input or output in timing constrain; Options. there are two ways to fix this issue - reboot your system or execute the following command: And try to test if primusrun or optirun works. See Help:Style for reference. Set load_state and unload_state module options according to your needs (see bbswitch documentation). Then, you can log in the integrated-graphics powered one. This is known to be necessary on Lenovo's Legion Y720. This is exactly what the Intel-developed tool intel-virtual-output does! Intel Driver Gains Virtual/Remote Output Support. In some instances, using primusrun instead of optirun will result in a segfault. ... Как я понимаю intel-virtual-output предоставляет эту информацию. See this forum post for more information. Before continuing, make a two changes to the file /etc/bumblebee/xorg.conf.nvidia. It seems to be only a problem when using intel-virtual-output, as I've tried several setups now and the problem disappears entirely when using the nvidia card without bumblebee. This bridge is provided by VirtualGL or primus (read further) and connects to a X server started for the discrete video card. gives no output at all, and the glxgears window does not appear. If the above command did not help, try finding your NVIDIA card's bus ID: For example, above command showed 01:00.0 so we use following commands with this bus ID: and if you try to load the nvidia module you get: This could be because the nvidia driver is out of sync with the Linux kernel, for example if you installed the latest nvidia driver and have not updated the kernel in a while. For example, start Windows applications with Optimus: For another example, open NVIDIA Settings panel with Optimus: For a list of all available options, see optirun(1). intel-virtual-output will attempt to connect to any local display and then start bumblebee. Addressed an issue where iLO virtual media may not boot properly after setting the Boot on Next Reset option in the iLO Remote Console and Media - Virtual Media settings. Do other drivers support virtual outputs, too? If anybody spots room for improvement, please mention it. If the port (DisplayPort/HDMI/VGA) is wired to the Intel chip, you can set up multiple monitors with xorg.conf. It may be the case that some of your outputs are attached to your Nvidia card and some are attached to the Intel card. This is exactly what the Intel-developed tool intel-virtual-output … It comes from the package "xf86-video-intel". Top. The delay is literally seconds. Forum: Hardware. For primusrun, VSYNC is enabled by default and as a result, it could make mouse input delay lag or even slightly decrease performance. intel-virtual-output to external DP screen is very slow. Hi, I'm having the same issue, just wanted to point out that I tried Linux Mint and it's working properly there (they use kernel 4.10 + 380 NVIDIA drivers). You might encounter an issue when after resume from sleep, primusrun or optirun command does not work anymore. If Bumblebee starts/works in a random manner, check that you have set your Network configuration#Local network hostname resolution (details here). If this change is not made the daemon may default to using the internal NVIDIA card. The user must also be a member of the video group – it is usually so by default, but not always. Refer to Intel#Tearing on how to fix tearing on the Intel card. Bumblebee. after resolving my latest issues with intel-virtual-output not finding my external virtual outputs I now noticed that the 'speed' is very slow. On some laptops, the NVIDIA card may not correctly initialize during boot if the card was powered off when the system was last shutdown. Fixing xorg.conf.nvidia. The workaround is skipping auto-detection by manually setting PRIMUS_UPLOAD environment variable to either 1 or 2, depending on which one is faster on your setup. The tool connects local VirtualHeads to a remote output, allowing the primary display to extend onto the remote outputs. Already on GitHub? REPORTING BUGS The xf86-video-intel driver is part of the X.Org and Freedesktop.org umbrella projects. [4] Any user that is supposed to use Bumblebee must be added to this group. Collapse. Any programs that need 3d acceleration crashes: Apparently it is a bug of some versions of virtualgl. when using an eGPU with a laptop with another built in NVIDIA graphics card) or NVIDIA Optimus, you need to make a minor edit to /etc/bumblebee/xorg.conf.nvidia. E.g. However, I had some technical issues with bumblebee that had to reinstall the Mesa drivers. If you want to use all the displays on such a system simultaneously, the easiest solution is to use intel-virtual-output, a tool provided in the xf86-video-intel driver set, as of v2.99. I am using a laptop that has both an Intel and NVidia GPU, with a second monitor plugged on an USB-C adapter and bumblebee enabled. Bumblebee. So a workaround is to install primus and lib32-primus and use it instead: By default primus locks the framerate to the vrate of your monitor (usually 60 fps), if needed it can be unlocked by passing the vblank_mode=0 environment variable. I'm using bumblebee with nvidia, I don't have any graphics related files in xorg.conf.d . Override that on the command line: Or, set Bridge=primus in /etc/bumblebee/bumblebee.conf and you will not have to specify it on the command line. No additional configuration is necessary. If you are already in the bumblebee group ($ groups | grep bumblebee), you may try removing the socket /var/run/bumblebeed.socket. After looking up on the Web, I found this link for instance, proposing to use intel-virtual-output since apparently the VGA is wired to the nVidia card rather than the Intel one. If the discrete card is activated by some program (lets say mpv with gpu backend) and stays on. Based on the original implementation (hybrid-screenclone) by Tomáš Janoušek, and Bumblebee integration by Kevin Puetz. Setting VGL_READBACK environment variable to pbo should increase the performance.
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