Re: [Ltib] LPC3250 board, X server fault: Invalid argument

[Luis Felipe Strano Moraes]

Dmitry, what is the resolution of the device you're trying to use?

There are patches on ltib to add support for specific resolutions, you might
need to add one for yours. Take a look at the xorg-server patch that is on
/opt/freescale/pkgs/

Cheers,
--lf


2009/7/29 Dmitry Vinokurov <address@hidden>:
> Hi Stuart,
>
> I have touchscreen and tslib is enabled. Tried to build without tslib --
> same result: running 'Xfbdev -nolisten tcp' with or without tslib gave same
> result:
> /*
> address@hidden /root]# Xfbdev -nolisten tcp
> Warning: mode not found, using default
> error: Invalid argument
>
> Fatal server error:
> no screens found
> */
>
> Executing 'Xfbdev -nolisten tcp -ac -mouse mouse -keybd keyboard -screen
> 240x320x32' gave same error too.
>
> Nodes /dev/fb* I've checked -- they exist and terminal (non-X) output to the
> touchscreen works fine.
>
> --
> Best Regards, Dmitry Vinokurov <address@hidden>
>
>
>
> Stuart Hughes wrote:
>>
>> Hi Dmitry,
>>
>> Another thing to check is that if you don't have touch-screen that 'tslib'
>> is disabled in the configuration.  If tslib is enabled it throws a switch in
>> the xorg-server spec file.  This may explain the invalid argument.
>>
>> Try running Xfbdev -nolisten tcp with no other args, the server is
>> supposed to be able to probe and find defaults.
>>
>> Also check that you really have a /dev/fb* device node present.
>>
>> Regards, Stuart
>>
>> Dmitry Vinokurov wrote:
>>>
>>> Same error:
>>> /*
>>> address@hidden /root]# Xfbdev -nolisten tcp -ac -mouse mouse -keybd keyboard
>>> -screen 240x320x32
>>> error: Invalid argument
>>>
>>> Fatal server error:
>>> no screens found
>>> */
>>>
>>> Tried 320x240 and 24 bpp -- same result.
>>>
>>> Kernel was built with FB suppord -- while loading, linux perfectly writes
>>> boot messages on the screen and color Tux is shown there :)
>>>
>>> --
>>> Best Regards, Dmitry Vinokurov <address@hidden>
>>>
>>>
>>>
>>> Daniel Widyanto wrote:
>>>>
>>>> Hi,
>>>>
>>>> It seems like you don't pass the screen parameter to Xfbdev (it needs
>>>> the screen resolution and bpp mode)
>>>> # Xfbdev -nolisten tcp -ac -mouse mouse -keybd keyboard -screen
>>>> 240x320x32
>>>>
>>>> Refer to: http://www.xfree86.org/current/TinyX.1.html
>>>>
>>>> -daniel
>>>>
>>>>
>>>> -----Original Message-----
>>>> From: address@hidden
>>>> [mailto:address@hidden On Behalf Of Stuart
>>>> Hughes
>>>> Sent: Wednesday, July 29, 2009 4:00 PM
>>>> To: Dmitry Vinokurov
>>>> Cc: address@hidden
>>>> Subject: Re: [Ltib] LPC3250 board, X server fault: Invalid argument
>>>>
>>>> Hi Dmitry,
>>>>
>>>> It's a guess but it looks as though your board has not been built with
>>>> frame buffer support in the kernel.
>>>>
>>>> I'm not sure about the mode error.  The only platform I've run on are an
>>>> old MAC G4 box using.
>>>>
>>>> Regards, Stuart
>>>>
>>>>
>>>>  ------------------------------------------------------------------------
>>>>
>>>> _______________________________________________
>>>> LTIB home page: http://ltib.org
>>>>
>>>> Ltib mailing list
>>>> address@hidden
>>>> http://lists.nongnu.org/mailman/listinfo/ltib
>>>>
>>>
>>>
>>> ------------------------------------------------------------------------
>>>
>>> _______________________________________________
>>> LTIB home page: http://ltib.org
>>>
>>> Ltib mailing list
>>> address@hidden
>>> http://lists.nongnu.org/mailman/listinfo/ltib
>
>
>
> _______________________________________________
> LTIB home page: http://ltib.org
>
> Ltib mailing list
> address@hidden
> http://lists.nongnu.org/mailman/listinfo/ltib
>



-- 
Luís Felipe Strano Moraes
ProFUSION embedded systems
http://profusion.mobi