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

[Kevin Oberman]

On Fri, Jun 29, 2012 at 2:02 PM, Nikolay Tychina <niktychina at gmail.com> wrote:
> Interesting, last time I checked FreeBSD Wiki on Intel_GPU, it was
> saying 'kldload i915kms && startx'.
> Anyway, the system never hung up after I many times followed the instruction,
> it's just KDE isn't able to finish its startup.
>
> 2012/6/29 Kevin Oberman <kob6558 at gmail.com>:
>> On Fri, Jun 29, 2012 at 6:15 AM, Nikolay Tychina <niktychina at gmail.com> wrote:
>>>>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.
>>>
>>> I disabled "Composite" extension in xorg.conf and KDE started fine. No
>>> effects though.
>>> Is there an issue with Intel driver or X or anything else?
>>> Everything seems to work quite well, but I'm just curious.
>>
>> While this may or may not be the issue, you should not EVER kldload
>> i915kms.ko! This WILL result in a hung system. You should start X
>> normally (startx or via ?dm) and Xorg will load all of the required
>> modules. I believe that this is in the wiki.
>>
>> Oh, and on't EVER kldunload it, either.It is definitely documented
>> that this will panic the system.
>>
>> Several people have posted this problem on two or three different
>> lists.(I am was almost one of them.)
>> --
>> R. Kevin Oberman, Network Engineer
>> E-mail: kob6558 at gmail.com

>From hte Intel_GPU wiki:
Use startx to let ddx driver load the right kernel module. Set sysctl
hw.dri.debug=0 to reduce verbosity of the driver at runtime.
-- 
R. Kevin Oberman, Network Engineer
E-mail: kob6558 at gmail.com