modeset(0): drmSetMaster failed: Permission denied

[YuGiOhJCJ Mailing-List]

Do you mean 755 on /usr/bin/Xorg?

It is already set like that:
$ ls -l /usr/bin/Xorg 
-rwxr-xr-x 1 root root 2123272 Apr 30 23:26 /usr/bin/Xorg

Any other idea?

On Sun, 30 Apr 2017 22:08:45 -0700 (PDT)
Russ Whitaker <russ at ashlandhome.net> wrote:

> 
> 
> On Mon, 1 May 2017, YuGiOhJCJ Mailing-List wrote:
> 
> > Hello,
> >
> > I have built xorg-server, xauth, and xinit with their dependencies.
> > When I do startx I get "xf86OpenConsole: Cannot open virtual console 7 (Permission denied)".
> > So, I change the permissions on /dev/tty7 to 660.
> > Now, when I do startx I get "modeset(0): drmSetMaster failed: Permission denied".
> >
> > I read in the web that some people use SUID on /usr/bin/Xorg to solve this problem but I am not sure if it is safe to do that and maybe there is a better way.
> > Same thing for my permissions on /dev/tty7, I would prefer to not change permissions if possible.
> > With the Xorg provided by my distro, there is no SUID on /usr/bin/Xorg and only 0620 on /dev/tty7 which is better, and it works fine.
> > So, I am wondering why it does not work with my own Xorg.
> >
> > Any idea please?
> 
> Set permissions to 755
> 
> >
> > Thank you.
> > Best regards.
> >
> > ---
> >
> > Distro: Slackware64 14.2
> > Kernel: Linux 4.9.24
> > Built and installed packages:
> > -bigreqsproto-1.1.2
> > -compositeproto-0.4.2
> > -damageproto-1.2.1
> > -dri2proto-2.8
> > -dri3proto-1.0
> > -fixesproto-5.0
> > -fontsproto-2.1.3
> > -glproto-1.4.17
> > -inputproto-2.3.2
> > -kbproto-1.0.7
> > -libdrm-2.4.80
> > -libepoxy-1.4.1
> > -libfontenc-1.1.3
> > -libICE-1.0.9
> > -libpciaccess-0.13.5
> > -libpthread-stubs-0.1
> > -libSM-1.2.2
> > -libvdpau-1.1.1
> > -libX11-1.6.5
> > -libXau-1.0.8
> > -libxcb-1.12
> > -libXdamage-1.1.4
> > -libXext-1.3.3
> > -libXfixes-5.0.3
> > -libXfont2-2.0.1
> > -libxkbfile-1.0.9
> > -libXmu-1.1.2
> > -libxshmfence-1.2
> > -libXt-1.1.5
> > -mesa-17.0.4
> > -mesa-demos-8.3.0
> > -pixman-0.34.0
> > -presentproto-1.1
> > -randrproto-1.5.0
> > -recordproto-1.14.2
> > -renderproto-0.11.1
> > -resourceproto-1.2.0
> > -scrnsaverproto-1.2.2
> > -videoproto-2.3.3
> > -xauth-1.0.10
> > -xcb-proto-1.12
> > -xcmiscproto-1.2.2
> > -xextproto-7.3.0
> > -xf86driproto-2.1.1
> > -xineramaproto-1.2.1
> > -xinit-1.3.4
> > -xorg-server-1.19.3
> > -xproto-7.0.31
> > -xtrans-1.3.5
> > _______________________________________________
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> >
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