4 ms·
Did you try what OP did to fix this for himself – i.e. > sudo adduser seena video
by karatinversion 6y ago
Did you try what OP did to fix this for himself – i.e.
> sudo adduser seena video
- nemothekid 6y agoNo, it's not that I'm having a permission issue - /dev/fb0 simply returns all 0 on my machine.
- nitrogen 6y agoDo you have any other framebuffer devices or multiple GPUs? Or proprietary video drivers? Note: I was part of a small group that worked on a framebuffer utility library around 2002ish, but haven't used it much since apart from configuring embedded devices.
- therein 6y agoI'm getting the following: $ sudo hexdump -C /dev/fb0 00000000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 0000e000 aa aa aa 00 aa aa aa 00 aa aa aa 00 aa aa aa 00 |................| * 0000e020 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 0000f000 aa aa aa 00 aa aa aa 00 aa aa aa 00 aa aa aa 00 |................| * 0000f020 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 00300000 `*` for repeating lines.