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Questions tagged [framebuffer]

Linux kernel `fbdev` abstraction (a.k.a. Linux framebuffer), that is used by Ubuntu for most video adapters.

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fbset has no effect

I have added my username to the video group, and this allows me to open and use the /dev/fb0 device. So far so good. But when I try to change the resolution using fbset(1) nothing happens. There are ...
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fbi stuck at "loading. . . "

So I have a weird one. On my virtual machine, I can do the following: fbi -T 4 Screen_3.jpg The image shows up immediately in virtual terminal 4 and stays there until I switch back to anther virtual ...
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Change framebuffer resolution on boot like the Ubuntu Live CD does

I have a fairly recent machine using a Ryzen 5 and a GTX 1060. When I boot from a Live Ubuntu USB (20.04.3), the initial framebuffer resolution is very crude, most probably 640x480. But after some ...
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VLC crash ( '/ dev / fb0' failed, globalhotkeys,none, ..)

VLC, previously fully functional, suddenly started not playing videos. Executed from the terminal, both as vlc file.mp4 and as cvlc file.mp4 it gave the following error: (*) DirectFB / Core: Single ...
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Ping Pong Buffer Implementation in XORG

My current system configuration is like application gives the frame to XORG and XORG is configured to use simple frame buffer driver(mapped to DDR address). I need to implement a ping pong buffer ...
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825 views

User permissions for frame buffer

Trying to write something to frame buffer: cat /dev/urandom >/dev/fb0 Got error: bash: /dev/fb0: Permission denied How to allow my current user to write to frame buffer?
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1 vote
1 answer
561 views

VIA KM400 /dev/dri/card0 missing

Since a few days, X does not start anymore on my Athlon 2600+ with VIA KM400 integrated graphics running Ubuntu 18.04. It could have been triggerd by the update of some Ubuntu packages but of course I ...
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Multiple Xorg sessions

How to start xrdp session and startx ? I am trying to: Stop lightdm Login to to xrdp (it uses display :10) From tty1, startx --:1 But Xorg fails to start with the error (~/.local/share/xorg/Xorg.1....
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2 votes
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1k views

Xorg + fbdev driver (/etc/X11/xorg.conf)dosen't work in Ubuntu 18.04

I need to use fbdev driver(framebuffer) in Xorg to get better system latency. So I use "Xorg :1 -configure" to get the default xorg.conf file. Then change the "Device" part, and ...
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2 votes
1 answer
672 views

Why is my console so slow in 18.04?

I just installed 18.04 on a Dell T310 server, and I'm noticing that the text console is unusably slow when scrolling text. To add some numbers to this, invoking dmesg immediately after boot over an ...
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1 answer
427 views

No text console with custom kernel

I've recently started using my own custom kernels in Ubuntu, and they are working without problems, with the exception that I don't have a text console when I press any of the key combinations Ctrl+...
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1 vote
0 answers
703 views

How to fix framebuffer resolution for external monitor?

With Xubuntu 18.10, the framebuffer has the proper resolution only for the built-in screen of my laptop (1366×768). When using an external monitor through HDMI (1280×1024), the Xubuntu logo at ...
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Why videos and scrolling have a low frame buffering(freezing) on Ubuntu Budgie 18.04 LTS and how to fix this?

Unfortunately,since I moved to this linux distro my screen has a buffering issue when I use whatever kind of browser and when I play any video with or without a browser.The screen runs like chopped up ...
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1 answer
2k views

Display not rotated with framebuffer console

I have enabled rivers->Graphics Support->Support for framebuffer devices->Framebuffer Console Support by '*'(builtin driver) in my kernel and compiled it. My aim is to rotate the display by writing ...
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2 votes
1 answer
3k views

How to run netsurf-fb? Fails with: "Unable to set video: Could not set console screen info fbdev"

On Ubuntu 16.04, I've done: # Go to TTY with Ctrl + Alt + F1 sudo apt-get install netsurf-fb sudo usermod -aG 'audio,input,video' "$USER" # Logout, login. netsurf-fb And it fails with: Unable to ...
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0 answers
224 views

How to make ubuntu recognize an external screen when laptop is docked during boot

Consider the following scenario: I connect my Thinkpad (with optimus) to my docking station Boot the laptop Than I want that ubuntu recognizes that the laptop is docked and that an external monitor ...
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5 votes
1 answer
11k views

Extension “RANDR” missing on xvfb

Ubuntu: $lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 14.04.3 LTS Release: 14.04 Codename: trusty Xvfb: $ dpkg -s xvfb Package: xvfb ...
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1 answer
669 views

Access framebuffer /dev/fb0 in AWS EC2 (Ubuntu Server)

My ultimate goal is to use fbgrab program on EC2. Whenever I try fbgrab -c 1 screenshot.png, I get: Could not open /dev/fb0: No such file or directory How can I install/enable it in my Ubuntu ...
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5 votes
1 answer
18k views

How to check if framebuffer is enabled

How do I know if I have framebuffer enabled? I actually don't quite understand what framebuffer is. my /etc/initramfs-tools/conf.d/splash file has this: echo FRAMEBUFFER=y (coz I was following this ...
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2 votes
1 answer
6k views

Activate /dev/fb0 on Ubuntu Minimal?

I'm writing a program that's intended for use on an embedded CPU. For that, I'm trying to set up a small Ubuntu. Ubuntu Minimal looks like it works, with one problem: I need to do my own graphics ...
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16 votes
4 answers
35k views

hwinfo replaced with ... what?

New and Hopefully more clear question this is NOT a question about some system information program I NEED to know what framebuffer modes I can add in grub configuration without starting to ...
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8 votes
1 answer
7k views

Switching to another TTY after running startx and returning breaks Xorg

I've always been curious about an idiosyncrasy of Xorg that seems to happen on every machine I've tried it on; whenever I start a new X instance on a TTY using startx manually (that is, without the ...
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1 vote
1 answer
71 views

What should I do if the desktop is off the monitor?

I have a Samsung Series 7 LED TV that I've hooked up to a computer. But my problem is: When I start Lubuntu, the second the framebuffer initializes, it goes off screen. I disabled the framebuffer, and ...
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1 vote
1 answer
4k views

How to disable framebuffer in initramfs?

While using plymouth, I have late splash and tried to fix it, I googled and got lots of suggestions on doing this: vi /etc/initramfs-tools/conf.d/splash and add: FRAMEBUFFER=y and update-...
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2 votes
0 answers
506 views

Dual Frame Buffer on Ubuntu 12.04 Intel HD Graphics 4600 i7-4770

I have 2 monitors connected to the PC, one in HDMI, one in DVI. I have Intel integrated graphics HD4600 Now as far my understanding, both the monitors is connected at the same framebuffer /dev/fb0 ...
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9 votes
2 answers
16k views

How to enable display of framebuffer images (e.g. in w3m, fbi) within byobu (pts)?

I'm trying to run a minimal Ubuntu 13.10 installation without X Window System on my old laptop. One of the most useful tools I rely on in this setup is byobu; however, it seems to prevent me from ...
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4 votes
2 answers
6k views

Screen fade to black after 10 minutes and never come back

Im using Linaro Raring Server for Cubieboard A20 from here: www.cubieforums.com/index.php?topic=807.0 After about 10 minutes, the screen goes to black, even I'm using keyboard or mouse, so seems not ...
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1 vote
0 answers
924 views

Hyper-V frambuffer driver not working correctly

Running the up to date Alpha of Xubuntu 13.10 on Hyper-V (WIndows 8 Pro) I noticed the included Hyper-V frambuffer driver does not work as expected. According to the commit message (http://git.kernel....
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4 votes
0 answers
758 views

How can I adjust framebuffer or X screen relative position? [closed]

A long time ago in a galaxy far, far away I had fixed boot screen using this nice solution. Since that time I have been looking for the way to move framebuffer in virtual console slightly to the right ...
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10 votes
0 answers
6k views

Not able to view images in w3m [closed]

I was playing around with w3m (command-line browser), and found that it was not able to display images when run from Terminator or gnome-terminal. But, when run from xterm, it is able to display ...
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0 votes
1 answer
653 views

qemu -cdrom ubuntu.iso -boot d -m 1024 -curses

How do I disable frame buffers in Ubuntu 13.10 Saucy kernel, I tried all kinds of kernel parameters but none work? DEFAULT ramdisk LABEL ramdisk kernel /casper/vmlinuz append boot=casper toram ...
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0 votes
1 answer
594 views

Framebuffer Imageviewer on Ubuntu 12.04.2 virtual machine

I'm trying to view some jpg's on my Ubuntu VMWare server using fbi but I'm getting "/dev/fb0: No such file or directory", which is valid since it doesn't exist. Using hwinfo --frambuffer it lists the ...
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4 votes
1 answer
1k views

Is it possible to change text console (VT, framebuffer) foreground color?

I tried setterm -foreground green but any action resets the color back to white. Also, switching black and white seems like a nice option for e-paper (e-ink) screens.
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1 vote
1 answer
476 views

How to make Ubuntu Server fit into a VMware window?

I installed Ubuntu Server edition in VMware 7.0.1. I am using latest version of Ubuntu. Ubuntu is not filling into complete VMware window. How can I fix this?
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3 votes
1 answer
3k views

Framebuffer in Ubuntu 12.04 (NVidia)

After a new install of 64-bit Ubuntu 12.04.2, my grub menu appeared in a nice, small font in a framebuffer and when Ubuntu loaded, the logo and red/white dots were small and crisp. I've installed ...
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2 votes
0 answers
261 views

Boot in virtual console mode with full resolution

I am able to either: 1) Boot into X, switch to virtual console #1 and use it at full resolution or 2) Boot into virtual console mode -only and use them with 80 columns max How can I boot into ...
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1 vote
2 answers
2k views

Black screen after installation of a command-line version of ubuntu 12.04

I just installed ubuntu 12.04 (command line version) on an old machine (athlon 1,2 GHz, 1GB RAM, [SiS] 65x/M650/740 graphics). When I boot the screen turns black after the BIOS messages. Even grub ...
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0 votes
1 answer
5k views

How do I set the framebuffer resolution for NVIDIA on 12.04?

So, 12.04 x86_64 is installed and working properly. I see grub and plymouth, then lightdm, X session for Unity is good. My framebuffer resolution for TTY1-6 is 1280x1024. X is 1680x1050. I can use ...
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10 votes
1 answer
6k views

Is it possible to get the Tux logo on the text-based boot?

On Knoppix-based distros, you get a nice Tux logo on the left of the screen during text boot. Is this possible to get on Ubuntu?
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4 votes
2 answers
3k views

How do you get the very first boot messages smaller?

How do I get the very first boot messages, before the decryption of the system and before uvesafb is loaded, smaller? I tried: GRUB_GFXMODE=1024x768 GRUB_GFXPAYLOAD_LINUX=1024x768 and GRUB_GFXMODE=...
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7 votes
1 answer
3k views

Cheese won't run in framebuffer

When I try to run Cheese from terminal I receive this error message: Clutter-CRITICAL **: Unable to initialize Clutter: Unable to find suitable fbconfig for the GLX context: Unable to find ...
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1 vote
2 answers
3k views

How to run kvm/qemu on a virtual terminal with kms enabled

I deduce from the kvm howtos that this should actually work with sdl and a framebuffer, but I can't get it going. Doing kvm -cdrom tinycore-current.iso with normal user account on a virtual terminal ...
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