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Date:      Sun, 30 Jul 2017 18:12:24 -0700
From:      David Christensen <dpchrist@holgerdanske.com>
To:        freebsd-questions@freebsd.org
Subject:   failed to set mtrr: Invalid argument
Message-ID:  <31a46ee8-85c6-2a85-4f8f-c33bcdad34dc@holgerdanske.com>

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freebsd-questions:

I have a Dell Inspiron E1505 laptop with an Intel T7400 CPU, 2 GB RAM, 
16 GB SSD, Intel GM945 graphics, a 1280x800 screen, and a fresh install 
of FreeBSD:

[root@tinkywinky ~]# freebsd-version
11.1-RELEASE

[root@tinkywinky ~]# uname -a
FreeBSD tinkywinky 11.1-RELEASE FreeBSD 11.1-RELEASE #0 r321309: Fri Jul 
21 02:08:28 UTC 2017 
root@releng2.nyi.freebsd.org:/usr/obj/usr/src/sys/GENERIC  amd64


I have installed xorg.  'startx' seems to work correctly.


I have installed lumina.  'start-lumina-desktop' causes the screen to 
flicker and then return to the CLI:

$ start-lumina-desktop
No X11 session detected: Lumina will try to start one...


X.Org X Server 1.18.4
Release Date: 2016-07-19
X Protocol Version 11, Revision 0
Build Operating System: FreeBSD 11.0-RELEASE-p11 amd64
Current Operating System: FreeBSD tinkywinky 11.1-RELEASE FreeBSD 
11.1-RELEASE #0 r321309: Fri Jul 21 02:08:28 UTC 2017 
root@releng2.nyi.freebsd.org:/usr/obj/usr/src/sys/GENERIC amd64
Build Date: 13 July 2017  09:43:21AM

Current version of pixman: 0.34.0
	Before reporting problems, check http://wiki.x.org
	to make sure that you have the latest version.
Markers: (--) probed, (**) from config file, (==) default setting,
	(++) from command line, (!!) notice, (II) informational,
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/Xorg.0.log", Time: Sun Jul 30 18:03:04 2017
(==) Using default built-in configuration (39 lines)
scfb trace: probe start
scfb trace: probe done
failed to set mtrr: Invalid argument
Starting the Lumina desktop on current X11 session: ":0"
Found Desktop Lock for X session: ":0"
  - Disabling Lock and starting new desktop session
  - Resetting monitor configuration to last-used settings
  - ID: "default" Current Geometry: "1024x768+0+0"
Create new Screen entry: "default" "1024x768+0+0"
  - Starting the session...
Watch Files for changes: "wm" 
("/home/tinkywinky/.config/lumina-desktop/fluxbox-init", 
"/home/tinkywinky/.config/lumina-desktop/fluxbox-keys")
Watch Files for changes: "compositing" 
("/home/tinkywinky/.config/lumina-desktop/compton.conf")
Finished Closing Down Lumina
xinit: connection to X server lost

waiting for X server to shut down failed to unset mtrr: No such file or 
directory
(II) Server terminated successfully (0). Closing log file.


Note the error message "failed to set mtrr: Invalid argument".


How do I make Lumina work?


David



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