VMD-L Mailing List

From: Praedor Atrebates (praedor_at_yahoo.com)
Date: Fri Sep 23 2005 - 14:30:03 CDT

On Friday 23 September 2005 13:44, John Stone wrote:
> Hi,
> This sounds like a familiar bug in one of the ATI video drivers out
> there. You didn't specify which ATI video driver you're using, is this the
> X.org driver or the ATI driver? I suspect that if you run VMD from within
> a debugger, you'll find that the crash occurs inside the video driver. Try
> this:
> tcsh
> source /usr/local/bin/vmd
> (quit out immediately)
> gdb /usr/local/lib/vmd/vmd_LINUX
> run
> (load the PDB file(s) that usually crash you)
> (then when it crashes..)
> where
>
> Tell me what output you get from gdb, there's a good bet that this is
> just the same ATI driver bug that a few other people have hit on the
> mobility laptop graphics chips.
[...]

Thank you for the response. Here's the output of gdb on vmd at crash point,
though it seems to have a problem with my tcl install (it's
at /usr/lib/tcl8.4):

Info) VMD for LINUX, version 1.8.3 (February 15, 2005)
Info) http://www.ks.uiuc.edu/Research/vmd/
Info) Email questions and bug reports to vmd_at_ks.uiuc.edu
Info) Please include this reference in published work using VMD:
Info) Humphrey, W., Dalke, A. and Schulten, K., `VMD - Visual
Info) Molecular Dynamics', J. Molec. Graphics 1996, 14.1, 33-38.
Info) -------------------------------------------------------------
Info) Multithreading available, 1 CPU detected.
Info) OpenGL renderer: MOBILITY RADEON 9000 DDR Generic
Info) Features: STENCIL RN MDE CVA MTX PP
Info) GLSL rendering mode is NOT available.
Info) Textures: 2-D (2048x2048), 3-D (512x512x512), Multitexture (6)
ERROR) Tcl startup error: Can't find a usable init.tcl in the following
directories:
ERROR) /usr/local/lib/tcl8.4 /usr/local/lib/lib/tcl8.4 /usr/local/lib/tcl8.4 /usr/local/lib/library /usr/local/library /usr/local/tcl8.4.1/library /usr/tcl8.4.1/library /usr/local/lib/tcl8.4
ERROR)
ERROR)
ERROR)
ERROR) This probably means that Tcl wasn't installed properly.
ERROR) Tk startup error: invalid command name "tcl_findLibrary"
ERROR) VMDDIR undefined, startup failure likely.
Found 4 plugins or data handlers in directory
        '/usr/local/lib/vmd/plugins/LINUX/molfile'.
ERROR) Could not read the vmd initialization file -
ERROR) source {/usr/local/lib/vmd/scripts/vmd/vmdinit.tcl}
ERROR) can't find package http 2.4
ERROR) The VMDDIR environment variable is set by the startup
ERROR) script and should point to the top of the VMD hierarchy.
ERROR) VMD will continue with limited functionality.
ERROR) invalid command name "vmd_load_extension_packages" 

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