Can't start Xmonad from GDM

After authenticating via the GDM screen, I get an error: "Failed to load session "xmonad" "
gdm verison is 3.2.1.1
xmonad version 0.9.2
I followed the instructions on https://wiki.archlinux.org/index.php/Xm … and_xmonad but it did not help
my ~/.xmonad/xmonad.error file is empty
~/.xsession-errors is
/etc/gdm/Xsession: Beginning session setup...
localuser:mansoor being added to access control list
/etc/gdm/Xsession: ssh-agent not found!
/etc/gdm/Xsession: Setup done, will execute: gnome-session --session=xmonad
gnome-session[1085]: WARNING: Unable to find default provider 'notification-daemon' of required provider 'notifications'
gnome-session[1085]: WARNING: Unable to find required component 'gnome-panel'
Any ideas on why it won't start up xmonad?

If you have compiled your xmonad.hs, maybe it has been running normally!
You can test it by modifying your xmonad.hs as below to see if roxterm starts, then:
%xmonad --recompile
%xmonad --restart
myStartupHook :: X ()
myStartupHook = do {
spawn "roxterm";
--spawn "lxpanel";
xmonad $ defaultConfig
{ borderWidth = 1
, startupHook = myStartupHook

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If you have compiled your xmonad.hs, maybe it has been running normally!
You can test it by modifying your xmonad.hs as below to see if roxterm starts, then:
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Can't start Xmonad from GDM

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