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Questions tagged [framebuffer]

41 questions
44
votes
8 answers

Change Linux console screen blanking behavior

How do I change the screen blanking behavior on Linux virtual terminals? For example, if I switch to a VT from X, login, and leave the system alone for 5 minutes or so, the screen will blank like a screensaver. It comes back with any keypress, like…
quack quixote
  • 43,504
24
votes
3 answers

Change Linux Console's Default Monitor

Is there any way to specify which monitor the console is displayed on in Linux? Details: I have a 3 monitor setup with 2 video cards. When I boot the computer, the BIOS displays on the PCI graphics card (which has a small monitor). When starting…
Tim
  • 1,613
21
votes
6 answers

can I display a JPG or PNG to the framebuffer (/dev/fb*)?

I know I can capture the framebuffer in linux using something like cp /dev/fb0 ~/myimage and re-display that by coping back to the device like so cp ~/myimage /dev/fb0. What format is the framebuffer image data in? and how would I go about…
ndmweb
  • 391
5
votes
2 answers

Why can video streaming sites not leverage my 100 MBit LAN-speed?

I am a bit confused about what is slowing down my network and I hope it is correct to ask here and not at "webapps.sx.com", because my issue is not only one with YouTube, but basically many video sites. I cannot understand how I, living in Seoul…
grunwald2.0
  • 804
5
votes
1 answer

How do I speed up my text console on Ubuntu 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 ssh connection takes about half a second to show…
Karu
  • 4,922
5
votes
1 answer

Problem setting command-line console resolution. vbeinfo in grub2 does not report all resolutions

I have a Asus EEE PC 1005P which I installed a Command-line system on using the Alternate Installer CD of Ubuntu Lucid Lynx. Altough I think this is a general linux and grub2 question. I do not have (or want) the X Window System installed. I want to…
Deleted
  • 5,488
5
votes
1 answer

SDL without X (dosbox on console of old notebook)

I am trying to run dosbox on low memory (512MB - 32MB video RAM) notebook without x windows for fun. It's not working out of the box and I am getting "can't init SDL no available video device" error. Dosbox usse SDL for rendering and according to…
andrej
  • 452
4
votes
2 answers

framebuffer not available. How to install the device /dev/fb/0 on Ubuntu?

I am trying to run an application that uses framebuffer on 2.6.31-14-generic #48-Ubuntu. All I need to do is to install a framebuffer device to get rid of the following error: /dev/fb/0: No such file or directory framebuffer not available. FATAL:…
Aleyna
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4
votes
0 answers

How to enable full RGB range on linux framebuffer?

I have an AMD 2400G APU and I have connected a monitor using HDMI. I am using the amdgpu kernel driver to get a framebuffer. When the driver loads, black becomes dark grey on my screen. The reason is most likely, that the driver thinks, that my…
Elrond
  • 292
4
votes
1 answer

Framebuffer device /dev/fb0 missing after installing Nvidia graphics drivers

I am running Ubuntu 16.04 LTS on a thin client desktop with NVIDIA ION GPU. Using the commands below, I installed NVIDIA graphic drivers while logged into the TTY1 console. After install, I rebooted. sudo apt-get purge nvidia-* sudo…
Zythyr
  • 271
3
votes
2 answers

fbcon - Use Android/MSM framebuffer device for boot console

I am trying to use a rooted Nexus 5 (msm 8974 chipset) device with Debian running with an X server and linux framebuffer boot console. I have recompiled the default Android hammerhead kernel (with CONFIG_FB_MSM_MDSS=y and CONFIG_FB_MSM=y, and…
Javacow
  • 31
3
votes
2 answers

How to make the linux framebuffer console narrower?

I've just a installed a Debian Wheezy box (Debian 7.0rc1). By default, the console is displayed using the frame buffer, and due to a certain hardware setup I won't go into, this comes out too wide on my display, e.g. the leftmost column of the…
einpoklum
  • 10,666
3
votes
2 answers

Linux boot - stop the kernel switching to a new framebuffer mode clearing output

I'm working on an embedded system (based onUbuntu 12.04 LTS) and I'm customizing its kernel. I'm having some problem with upstart, mountall and plymouth. Nothing unsolvable I suppose, but the real problem is that I can't diagnose properly what's…
Avio
  • 957
3
votes
0 answers

VLC Wait for Frame

I have a HD video that I would like to play without it being choppy with a grey frame (eg. when it is not being decoded fast enough) I could manually turn the playback speed down until it works, but I would like a better alternative (eg. perhaps…
rFXfAH9aMq
  • 31
2
votes
2 answers

Disable double buffering entirely or render cursor without double buffering in OS X?

Currently, in OS X, the entire system is drawn using double buffering through Quartz. The purpose of this is, as far as I know, to eliminate screen tearing. The reason I would like double buffering to be disabled is because of the mouse lag that it…
Kale Muscarella
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1
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