Can't run d.mon

Lawrence Houston grass at
Tue Oct 22 01:53:52 EDT 1996

On Mon, 21 Oct 1996, Luc Boerboom wrote:

> I look forward to the time that I can answer questions but for now I
> still only ask them. I reinstalled GRASS on a Linux 2.0.0 PC with a
> new videocard (Diamond Stealth 64 2MB) after my harddrive had broken
> down and was replaced. GRASS worked under the old configuration with the
> only differencethat it ran on the old harddrive and a Diamond Speedstar
> 1MB card. Obviously I had to reconfigure my windows configuration file:
> XF86Config, a Linux file.
> I installed the 1996 Linux compiled linuxg.a* files with the
> The problem:
> I can start GRASS just fine and after filling out the entry screen I get
> the GRASS prompt. Running e.g. d.rast works fine until it complains (of
> course) that I need to run d.mon.
> When I run d.mon this is what happens:
> GRASS-GRID > d.mon start=x3
> X Error of failed request:  BadMatch (invalid parameter attributes)
>   Major opcode of failed request:  78 (X_CreateColormap)
>   Serial number of failed request:  75
>   Current serial number in output stream:  76
> Please start graphics monitor <x3>.
> Error - Graphics monitor <x3> not running!
> Problem selecting x3. Will try once more
> Please start graphics monitor <x3>.
> Error - Graphics monitor <x3> not running!
> I tried:
> - csh and bash (the latter worked before hardrive brake down)
> - fvwm95 and fvwm (the latter worked before hardrive brake down)
> - to install Grass4.1.3 which for some reason did not work, I guess it
>   was confused with the other GRASS4.1.5 still being present.
> A suggestion here at computer services was that I might want to recompile
> GRASS on my own machine. Is that a solution? What does it entail? Where is
> thes source code located of GRASS 4.1.5? (I think i did see 4.1.3)?
> ORRR... is this not a GRASS problem but an X-windows or Linux problem?
> I hope All this info is enough for one of you to help me out. Thanks in
> advance.


Almost certainly your problem stems from the fact that GRASS's "stock" 
XDRIVER ONLY runs on systems supporting 256 Colours!  Reconfigure your
Stealth 64 to use the a "Depth" of 8 (256 Colours) and you should be in

Good Luck!

Lawrence Houston  -  (grass at

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