X :1.0 -query hostname --> (EE) Failed to load module "fbdev"
 

On Slackware 13.1, I am trying to connect to another computer using:

X :1.0 -query <hostname>

but I get a black screen and then the following error:

$ X :1.0 -query slackserver

X.Org X Server 1.7.7
Release Date: 2010-05-04
X Protocol Version 11, Revision 0
Build Operating System: Slackware 13.1 Slackware Linux Project
Current Operating System: Linux slack 2.6.33.4-smp #2 SMP Wed May 12 22:47:36 CDT 2010 i686
Kernel command line: auto BOOT_IMAGE=Slackware ro root=813 vt.default_utf8=0
Build Date: 05 May 2010 01:54:53AM

Current version of pixman: 0.16.6
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.1.0.log", Time: Sat Dec 25 13:24:49 2010
(==) Using default built-in configuration (30 lines)
(EE) Failed to load module "fbdev" (module does not exist, 0)
^Cerror setting MTRR (base = 0xe4000000, size = 0x04000000, type = 1) Inappropriate ioctl for device (25)

I tried to connect to both another Slackware 13.1 computer and a Debian computer. I also edited the /etc/X11/xdm/Xaccess file on the remote host to enable the graphical login access. I always get the same error.

How can I solve this problem?

Your problem has nothing to do with the lack of fbdev. Show us the full /var/log/Xorg.1.log file that is generated.

Adam

The file is too long, so I attached it.

/var/log/Xorg.1.0.log

if you use kdm on the remote host, you have to edit /etc/kde/kdm/kdmrc and set, in the [Xdmcp] section, Enable to "true".
Or if you're using xdm, comment the following line in /etc/X11/xdm/xdm-config
but connecting this way is slow: if you want a faster remote desktop (you can also launch single apps, like you do with "ssh -Y"), you should consider something like freenx.

Thanks. it works!

I edited the /etc/kde/kdm/kdmrc file.

Is there a way to forward also the sound?