KDE 4 hangs at splash screen when using KMS enabled 10-CURRENT

[Nikolay Tychina]

>> > I freshly built x11/xorg and x11/kde4 on FreeBSD 10-CURRENT and was
>> > ready to use it with new Intel driver, but
>> > after I kldloaded i915kms.ko and started X, KDE just hung up at its
>> > splash screen after displaying its logo (last icon). Then screen got
>> > blank with only a movable mouse cursor on it.
>> > Any ideas?
>>
>> Do other window managers work? Is anything useful reported on the
>> console (in case you use startx and log the output of startkde4
>> somewhere)?
>
> KDE started one time for me without problems.
>
> Did you upgrade to the latest 10 sources?
>
> As I do not use KDE, I did not test it any further.
>
> One side note, X does not start always successfully with Intel KMS. My X220 freezes then but I cannot check with a second machine then.
>
> I would suggest the same as Nikolay that you start testing with a very simple window manager like blackbox or whatever you like.
>
> Erich

Window Maker works fine without any modifications to default
xorg.conf, and twm also works.
I didn't notice anything useful when I logged output with `script' command.