None of these solutions work.  I am using 32bpp depth, and Squeak still
refuses to run.  This is getting fustrating.

Ivan

On Tue, 6 Apr 1999, Dino wrote:

> Hi Hi!
> 
> If you use vnc to access your X desktop, you can run the vncviewer with the -cc
> 3 option and a depth of 16.  It seems to have fixed my vnc problem.  
> 
> Although, I don't see this being a problem if you run squeak in X11.  I run it
> fine on my machine.  I'm also running 2.2.4 and libc6.  You probably have seen
> me in the CoC using squeak on my seemingly exported display...
> 
> -- Dino
> 
> G–ran Hultgren wrote:
> > 
> > Hi!
> > 
> > ---Ivan Brusic <ivan at cc.gatech.edu> wrote:
> > > Hello fellow squeakers,
> > >
> > > I am unable to run Squeak on Linux.  There are two different errors
> > which
> > > I get when trying to run Squeak:
> > >
> > > 1) When using Ian's precompiled VM (SqueakVM-2.3-i386-linux-2.0.36) or
> > >    using my own compiled VM (with the lastest sources) I get the
> > following
> > >    error:
> > >    This visual class is not supported
> > 
> > This has to do with X Windows. I got the same problem when trying to
> > get Squeak to work with VNC. After looking in the VM code (sqXwindos.c
> > - see below) it showed that Squeak does not support every possible X
> > configuration when it comes to colors.
> > 
> > I changed VNC to use PsuedoColors with 256 colors and everything works
> > great. So I suggest that you check your colordepth that X uses, if its
> > 256 you have to raise it to 65536 or change your color support from
> > TrueColor/DirectColor to PseudoColor.
> > 
> > Exerpt from: ftp://alix.inria.fr/pub/squeak/unix/Squeak/src/sqXWindow.c
> > ----
> > switch (stVisual->class)
> >     {
> >     case PseudoColor:
> >       if (stBitsPerPixel == 8)
> >         break;
> >       else
> >         {
> >           fprintf(stderr, "This visual class is not supported\n");
> >           exit(1);
> >           return;
> >         }
> >     case TrueColor:
> >     case DirectColor:
> >       getMaskbit(stVisual->red_mask,   &stRNMask, &stRShift);
> >       getMaskbit(stVisual->green_mask, &stGNMask, &stGShift);
> >       getMaskbit(stVisual->blue_mask,  &stBNMask, &stBShift);
> >       if (stBitsPerPixel == 16)
> >         {
> >           stHasSameRGBMask16= (stVisual->red_mask   == (0x1f << 10) &&
> >                                stVisual->green_mask == (0x1f << 5) &&
> >                                stVisual->blue_mask  == (0x1f));
> >           break;
> >         }
> >       else if (stBitsPerPixel == 32)
> >         {
> >           stHasSameRGBMask32= (stVisual->red_mask   == (0xff << 16) &&
> >                                stVisual->green_mask == (0xff << 8) &&
> >                                stVisual->blue_mask  == (0xff));
> >           break;
> >         }
> >       else
> >         {
> >           fprintf(stderr, "This visual class is not supported\n");
> >           exit(1);
> >           return;
> >         }
> >     case GrayScale:
> >     case StaticColor:
> >     case StaticGray:
> >     default:
> >       fprintf(stderr, "This visual class is not supported\n");
> >       exit(1);
> >       return;
> >     }
> > 
> > -----
> > 
> > So reading this correct I assume that 256 colors is OK in PseudoColor
> > but when using TrueColor or DirectColor you need 65536 or ~2 million
> > colors (16 or 32 bits).
> > 
> > Wll, that's my two cents.
> > 
> > regards, G–ran
> > 
> > ===
> > G–ran Hultgren, gohu at rocketmail.com, icq#:6136722
> > GSM: +46 709 472152, http://195.22.65.4
> > "First they ignore you. Then they laugh at you.
> > Than they fight you. Then you win." -- Gandhi
> > _________________________________________________________
> > DO YOU YAHOO!?
> > Get your free @yahoo.com address at http://mail.yahoo.com
> 
> 

-- 

Ivan Brusic                        |  "Computers are nothing but a perfect
Graduate Student                   |   illusion of order" - Iggy Pop
College of Computing & GVU Center  |  
Georgia Institute of Technology    |  E-mail: ivan [at] cc.gatech.edu