Info about X-architecture

[Alan Hourihane]

You haven't compiled and installed the fbdev driver.

Alan.

On Tue, 2010-10-05 at 11:45 +0530, vijay singh wrote:
> Hi,
> Thanks for info..
> 
> I have below HW system :
> Main CPU : ARM11
> Graphic Card : SGX535.
> 
> Currently in my first step i want startx should run & then xterm.
> 
> When i try to run startx on target below is error :
> ========================================================================
> auth:  creating new authority file /root/.serverauth.948
> _XSERVTransSocketOpenCOTSServer: Unable to open socket for inet6
> _XSERVTransOpen: transport open failed for inet6/ARM11SMP-NEMID:0
> _XSERVTransMakeAllCOTSServerListeners: failed to open listener for
>  inet6   X.Org X Server 1.8.2 Release Date: 2010-07-01 X Protocol
> Version 11, Revision 0 Build Operating System: Linux 2.6.32-24-generic
> i686 Current Operating System: Linux ARM11SMP 2.6.34.6 #1 SMP Mon Sep 20
> 13:47:32 CEST 2010 armv6l Kernel command line: console=ttyS0,115200n8n
> mem=192M maxcpus=2 rootwait root=/d ev/sda1 lpj=1994752 Build Date: 01
> October 2010  06:31:51PM   
> Current version of pixman: 0.17.6
>       Before reporting problems, check http://wiki.x.org         to make
> sure that you have the latest version. Markers: (--) probed, (**) from
> config file, (==) default setting,         (++) from command line, (!!)
> notice, (II) informational,         (WW) warning, (EE) error, (NI) not
> implemented, (??) unknown. (==) Log file: "/var/log/Xorg.0.log", Time:
> Thu Jan  1 01:04:31 1970 
> Primary device is not PCI (==) Using default built-in configuration (12
> lines) 
> (EE) Failed to load module "fbdev" (module does not exist, 0)
> (EE) No drivers available.   Fatal server error: no screens found  
>  Please consult the The X.Org Foundation support          at
> http://wiki.x.org for help. Please also check the log file at
> "/var/log/Xorg.0.log" for additional informati on.   giving up. xinit:
> No such file or directory (errno 2):  unable to connect to X server
> xinit:  No such process (errno 3):  Server error
> ==========================================================================
> 
> Any idea what is missing ??
> 
> Cheers--
> 
> 
> 
> On Tue, 2010-10-05 at 07:30 +0900, Carsten Haitzler wrote:
> > On Mon, 4 Oct 2010 09:48:36 -0700 Corbin Simpson <mostawesomedude at gmail.com>
> > said:
> > 
> > indeed. most hw i have ever seen in embedded has a memory mapped dumb fb as
> > part of the main memory - the kernel should already support this- if so x will
> > work just fine (fb drvier). it will work exactly as well as it does on a
> > desktop or laptop - just no acceleration. this of course depends if you HAVE
> > any hardware that can do acceleration on your SoC. even then - is it useful? at
> > worst it may simply be you ave multiple fb's (yuv over/underlay, rgb layer
> > (8/16/32bpp) and have to configure them correctly on  init and use the right
> > one to get sensible gfx. xv (yuv layer) may not work in this dumb mode without
> > some driver work.
> > 
> > your problems really begin when trying to do the yuv support and then
> > acceleration - if your SoC has anything.. and the big problems begin with 3D if
> > your SoC has a 3D unit. at this point you'll want to  have your SoC vendor be
> > helping you out.
> > 
> > > Which hardware, specifically? If Linux has already been ported, and a
> > > framebuffer driver exists, then X will work perfectly already, using the
> > > "fbdev" X driver.
> > > 
> > > Sending from a mobile, pardon the brevity. ~ C.
> > > 
> > > On Oct 4, 2010 3:18 AM, "vijay singh" <testmrs.evo at gmail.com> wrote:
> > > > On Mon, 2010-10-04 at 13:11 +0300, Timo Juhani Lindfors wrote:
> > > >> vijay singh <testmrs.evo at gmail.com> writes:
> > > >> > I would like to know is their any document available which will explain
> > > >> > about X-architecture.
> > > >>
> > > >> Even just http://en.wikipedia.org/wiki/X_Window_System gives a rough
> > > overview.
> > > >>
> > > >> > if i want to add any new X-client then what is the way.
> > > >>
> > > >> Things like evolution and firefox usually work as X clients on
> > > >> gnu/linux. You can take a look at them or google for "GTK hello world"
> > > >> or "QT hello world" to get something simpler.
> > > >>
> > > > Thanks for the info..
> > > >
> > > > If i want to build test filesystem for new HW (In my case it is
> > > > ARM11)where some basics X-client (xterm,xeyes..) should work, in this
> > > > case how i should configure X to work.
> > > >
> > > > If more details about what all kernel dependency, how X can be test will
> > > > be helpful.
> > > >
> > > >>
> > > >
> > > >
> > > > _______________________________________________
> > > > xorg at lists.freedesktop.org: X.Org support
> > > > Archives: http://lists.freedesktop.org/archives/xorg
> > > > Info: http://lists.freedesktop.org/mailman/listinfo/xorg
> > > > Your subscription address: mostawesomedude at gmail.com
> > 
> > 
> 
> 
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