My new laptop has an ATI FireGLV3200 card, and I am using the fglrx driver.
I was having problems with seg faults, but using "set use_display_lists"
fixed the problem.  I did try using the "set nvidia" option that Warren
suggested and it crashed my X-server.  Had to do a hard reboot.  So far so
good though with the display_lists option.  There clearly are some issues
with the ATI GL implementation and pymol, at some level.

Cheers,

Steve

-----Original Message-----
From: pymol-users-ad...@lists.sourceforge.net
[mailto:pymol-users-ad...@lists.sourceforge.net] On Behalf Of Tim Fenn
Sent: Friday, March 24, 2006 3:30 AM
To: Peter Adrian Meyer
Cc: Warren DeLano; pymol-users@lists.sourceforge.net
Subject: Re: [PyMOL] sporadic pymol/X-server freezes?


On Thu, Mar 23, 2006 at 08:56:27PM -0500, Peter Adrian Meyer wrote:
> 
> I guess it shouldn't supprise me that there are issues with proprietary
> OpenGL on linux (FYI the two machines I've seen this on are using ATI and
> intel graphics cards).  I'll try out the options you mentioned.
> 

So the ATI card is using the fglrx driver, I'm assuming (right?), and
is the intel card using the Intel graphics drivers from intel.com?
I've been told i810 that comes with XOrg is actually better (besides
having full 3d support)... but what intel chipset are you using?  Have
you tried the NON-proprietary drivers?

> Your idea about known-working (and non-working) combinations of hardware
> seems like a very good thing to do.
> 

If its a proprietary driver, my money is on a buggy driver that
doesn't cooperate with the kernel.

> >
> >
> >> Has anyone else run into cases where pymol will freeze the
> >> X-server (pymol doesn't repond to mouse or keyboard input;
> >> keyboard non-responsive to caps-lock on/off)?  The system is
> >> still stable, I'm able to login remotely and see that pymol
> >> is running at 100% CPU.  Killing pymol results in xorg
> >> running at 100% CPU (killing the xorg process as root doesn't
> >> do anything).

So xorg quits, but the monitor stays frozen?  Or the xorg process
doesn't die?  If its the latter, can you just send it a KILL (try an
INT signal first, of course)?  Anything in dmesg or the XOrg logs?
Can you grab the XOrg pid with gdb and get a stack trace?  Can you
switch over to a console (ctrl-alt-f1, typically)?

-Tim

-- 
---------------------------------------------------------

        Tim Fenn
        f...@stanford.edu
        Stanford University, School of Medicine
        James H. Clark Center
        318 Campus Drive, Room E300
        Stanford, CA  94305-5432
        Phone:  (650) 736-1714
        FAX:  (650) 736-1961

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