RE: [K12OSN] odd problem

Derek Zollinger (helpme@ameritech.net)
03 Sep 2002 04:32:43 -0500 

Hello Aaron, I must have missed the original e-mail, however after
reading what you describe, it sound exactly like what happened to my
diskless workstations when the graphics chipset was not auto-detected. 
To solve the problem, I went into my lts.conf file
(/opt/ltsp/i386/etc/lts.conf) and specified the proper Xserver for the
chipset I was using (ati).

I knew what chipset was being used from physical examination of the
card, and from other operating systems that were on the same hardware. 
Although the auto detection algorithms are fairly advanced, they are not
complete.  http://www.xfree86.org/4.2.0/RELNOTES3.html#10 gives a
listing of all chipsets supported by the new 4.2.0 version of Xfree86
and corresponding Xserver drivers to run them.

Depending on your situation, I would do one of the following:  If this
is just one machine that is having this problem, create an entry in your
lts.conf file by the mac address if the machine that is having this
error, and specify that this specific station use a specific Xserver. 
For example, add the following lines to your lts.conf file:

# comment lines:
# New Section for workstations that are not being auto-detected
# Sections seperated by their MAC address
[00:50:56:59:7f:81]
	XSERVER		= tseng
# or whatever the Xserver chipset might be.

Once you have corrected the problem, I would suggest opening a dialogue
with Jim McQuillan about adding your specific chipset identity so that
future versions of LTSP will auto-detect your specific chipset.

Good Luck!
	-:D erek

On Sun, 2002-09-01 at 22:27, Bert Rolston wrote:
> Hi Aaron,
> 
> I've been on leave for a week.
> 
> Any progress on this?
> 
> What about the mouse setting? I vaguely recall getting something like this with an incorrect mouse type. (my brain is mush at the moment).
> 
> Cheers,
> Bert
> 
> On Sunday, August 25, 2002 6:35 AM, Aaron Leininger [SMTP:aleininger@ttsd.k12.or.us] wrote:
> > The server is different hardware. It is in runlevel 5. It has a gui logon
> > and it works just fine.
> > 
> > The network is well known and documented. I am not having connection
> > problems at all. The machine goes into a normal bootup process until it
> > attempts to start the xserver. That's when it starts flashing screen-fulls
> > of information at me. They go by so fast that I cannot tell what they are
> > saying. After about 7 screens of info flash by, the screen halts and says
> > fatal error, no valid modes found.
> > 
> > -Aaron
> > 
> > -----Original Message-----
> > From: k12osn-admin@redhat.com [mailto:k12osn-admin@redhat.com]On Behalf
> > Of Bert Rolston
> > Sent: Thursday, August 22, 2002 5:56 PM
> > To: 'k12osn@redhat.com'
> > Subject: RE: [K12OSN] odd problem
> > 
> > 
> > Hi Aaron,
> > 
> > So the monitors are different.
> > 
> > How about trying a monitor from the class on a known good terminal?
> > 
> > What we have to do is start eliminating possible causes.
> > 
> > You have a different server. Is it identical hardware? (I don't think this
> > is the problem)
> > 
> > You have a different network.
> > Do you know all the little 'niceties' of that network? Is it totally
> > documented? I inherited one that isn't well documented.
> > 
> > You have a different monitor.
> > 
> > Does the terminal go through it's power on self test?
> > 
> > What point does it stop working?
> > 
> > Do you have a a GUI login on the server?
> > Remember, the server has to be at runlevel 5 for the terminals to get the
> > GUI (unless this has been changed and I've missed it).
> > 
> > This may sound simple, and I'm not trying to be patronising, so please
> > forgive me in advance. But it's the only way I know to eliminate possible
> > causes.
> > 
> > Cheers,
> > Bert
> > 
> > 
> > 
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> > 
> > 
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> > 
> 
> 
> 
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