Re: Pluggable frame buffer devices

On 03/11/15 01:58, Shawn Webb wrote:
> On Monday, March 09, 2015 08:25:05 AM Shawn Webb wrote:
>> On Sat, 2015-03-07 at 21:57 +0100, Hans Petter Selasky wrote:
>>> Hi Shawn,
>>>
>>> I've just put some more pieces into the kernel.
>>>
>>> https://svnweb.freebsd.org/changeset/base/279752
>>> https://svnweb.freebsd.org/changeset/base/279753
>>>
>>> Can you give the current code a spin?
>>>
>>> To get X.org/X11 working simply create a config file under
>>> /usr/local/etc/X11/xorg.conf.d which contains the device section given
>>> by "man xf86-video-scfb".
>>>
>>> Open issues:
>>>
>>> - Restoring the frame buffer does not always work. I looks like the
>>> restored text console size is 1x1 afterwards. At least there is no
>>> panic. And you can re-plug the UDL device again.
>>>
>>> - You need to unplug the UDL device before rebooting.
>>>
>>> - UDL device must be connected to a monitor before you plug it to USB,
>>> or you can load/unload the driver to re-probe the video format.
>>>
>>> --HPS
>>
>> Sorry for the silence on my part. I've been quite busy. I hope to test
>> out the recent commits over the week and report back by Friday or
>> Saturday.
>>
>> Thanks,
>>
>> Shawn
>
> Still no go. Xorg fails to even start. It doesn't even know that my
> DisplayLink device is plugged in (which it was even before boot). I'm getting
> USB timeout errors on that device only.
>
> Thanks,
>

Can you show the error messages when you plug your device? Also, what 
USB controllers do you have?

--HPS