mounting /proc with hidepid causes: Fatal server error: (EE) xf86OpenConsole: Cannot open virtual console 1 (Permission denied)
Submitted by Simon Deziel
Assigned to Xorg Project Team
Link to original bug (#105508)
Description
Created attachment 138109 /var/lib/gdm3/.local/share/xorg/Xorg.0.log
Mounting /proc with hidepid=2,gid=sudo prevents X from starting properly. I originally reported the issue to Ubuntu in [1]. I'm using those mount options for added security/privacy.
On older releases this used to work fine.
1: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1754401
Attachment 138109, "/var/lib/gdm3/.local/share/xorg/Xorg.0.log":
Xorg.0.log