[Wayland-bugs] [Bug 73782] Weston called from weston-launch loses permission to uaccess fb devices on tty switch back

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=73782

--- Comment #1 from Pekka Paalanen <ppaalanen at gmail.com> ---
The difference here is that weston-launch (a setuid-root helper process) is
used to open DRM and input devices, but does not support opening legacy fb
devices AFAICT. The fbdev backend opens the fb device itself.

However, I am unsure what would be the right fix for the real issue of opening
/dev/fb - let weston-launch open it, or is there some race during VT switching
that could be fixed?

The very least weston should deal gracefully with the failure instead of
segfaulting.

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