Re: suspend-resume and dri driver

Jan Beich <[email protected]>
Newsgroups gmane.os.freebsd.devel.x11
Message-ID <[email protected]> 
Oleksandr Kryvulia <[email protected]> writes:

> Hi
> After suspend-resume on my Thinkpad T490 dri driver fallbacks to swrast.
>
> On system boot:
> % xdriinfo
> Screen 0: iris
>
> After suspend-esume:
> % xdriinfo
> libGL error: failed to authenticate magic 1
> libGL error: failed to load driver: iris
> Screen 0: swrast

Maybe caused by https://github.com/freebsd/drm-kmod/issues/175
Neither Xwayland (X11) nor wlroots (Wayland) are affected.

Note, FreeBSD (unlike Linux and OpenBSD) runs Xorg (unlike anything
Wayland-related) as root (via setuid) which may affect how DRM
authentication works.
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