Phil,
#1) With older versions of LTSP (2.08 and older), we needed special
X servers that had a patch applied to allow them to work
properly in a read-only root filesystem.
Since v2.09, we use devfs for the /dev directory, which
means that we can use the standard Xservers directly from
the XFree86 web site.
So yes, it is completely safe to use a non-ltsp Xserver.
#2) The proper way, I suppose, is to just grab an Xserver
from another site or distro and drop it into the
/opt/ltsp/i386/usr/X11R6/bin directory. That is, for
version 3.3.6 of XFree86. For newer versions, based
on X4.0, you need to place the modules in the correct
place. I'm not sure what would happen if you used
a module from, say X4.2.0 with the XFree86 binary
from X4.1.0. You'd have to try it.
#3) The Xservers that are packaged for use with
LTSP are likely smaller, because I ran the 'strip'
program on them, to strip out the symbol table.
The symbol table is only used for debugging, and
we don't do much of that with X.
I'm rather puzzled why the SVGA server from the XFree86 site
works fine with the SIS 6202 chipset, and my Xserver doesn't.
I grab the sources directly from ftp.xfree86.org, and I applied
the simple patch for the read-only root fs. Other than that,
they should be identical.
Hope that helps,
Jim McQuillan
[EMAIL PROTECTED]
On Tue, 19 Feb 2002, Philip A. Roa wrote:
> Dear Jim,
>
> I recently encountered an SIS 6202 video card (it's quite old, with 1MB memory)
>while setting up one of my
> workstations. The default /opt/ltsp/i386/usr/X11R6/bin/XFree86 Xserver binary
>couldn't detect the card even
> with the XSERVER=auto or XSERVER=SIS directive in the /opt/ltsp/i386/etc/lts.conf
>file . I did the same using
> the xserver from the ltsp_x336_svga.tgz package with no success (i guess maybe the
>modules for the card
> were just not compiled with it)
>
> Looking for a quick fix, I went to the xfree86 site to check out my card and found a
>support for 86c202 on its
> version 3.3.6. I downloaded it and used it for the card. It worked.
>
> Now, my question Jim.
>
> 1. Is it safe to just download X servers straightaway for use on the LTSP
>environment? (there must be a
> reason why you ship a separate X server with LTSP)
>
> 2. What is the proper way in doing this (i.e. adding support for video cards to the
>X Server)?
>
> 3. Are there any memory penalties in (1) above? (the X Server binaries i downloaded
>from the xfree site
> were quite large compared to what was shipped with LTSP).
>
> Thanks,
>
> phil
>
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