Re: things started getting ugly

As I mentioned on the DMX list, we started seeing this behavior after
updating to RHEL4U3 without Cr in the picture.  It appears to be a
DMX-RHEL4U3 problem, not a Cr problem.


Sam Liston wrote:
> I've been using for months chromium with dmx to run a 3x3 wall ( Dual
> Opteron, Nvidia Quadrofx3000, GigE, RHEL4U3).  The main app we run on
> top is VMD.  Out of the blue I started getting the following error:
> 
> [stliston@skylinearch bin]# *** glibc detected *** malloc(): memory
> corruption: 0x0000000000dedf20 ***
> Window manager warning: Lost connection to the display ':1';
> most likely the X server was shut down or you killed/destroyed
> the window manager.
> 
> I have no idea what I did to cause this.  I ran memtest86+ to make sure
> the system memory was sane.  It was fine.
> In an attempt to fix it I rebuild dmx and then rebuild chromium against
> those new headers and libraries, but to no avail.
> 
> Here's the series of events:
>    dmx starts successfully,
>    the mothership gets going,
>    crservers are started on all the backend nodes,
>    vmd starts up, but before the handshake between the mothership and
> the backend crservers can take place dmx crashes and I get "the error".
> I realize this post maybe more appropriate for the dmx mailing list. 
> But since Chromium is involve I thought I wouldn't hurt to get your
> insight.  I will post it with dmx too.
> Thank you,
> Sam


-- 

/*  Dale Southard Jr.   [email protected]  925-422-1463  f:422-9429
 *  Computer Scientist, Advanced Simulation and Computing Program
 *  Lawrence Livermore National Lab, L-556,  Livermore, CA  94551
 */


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