#arm64

From askubuntu.com

Diagnosing framebuffer mmap reporting "device or resource busy" despite no processes using the framebuffer

1 1

I am working on a project that uses the Linux framebuffer (/dev/fb0). I can open it and write to it (e.g. dd if=/dev/random of=/dev/fb0 works), and I can do ioctl calls on it, but when I attempt to...

#arm64 #drivers #graphics

8h ago