[svlug] Debugging memory problems

Matt Billenstein mbillens at one.net
Tue Jan 15 18:50:02 PST 2002


Here's a link:

http://www.hp.com/workstations/support/documentation/technotes/linux/bigmem1
_x1000_x2000_x4000.htm

m

Matt Billenstein
mbillens (at) one (dot) net
http://w3.one.net/~mbillens/


----- Original Message -----
From: "David Masten" <dmasten at piratelabs.org>
To: "Sanatan Rai" <sanat at stanford.edu>
Cc: <svlug at svlug.org>
Sent: Tuesday, January 15, 2002 6:30 PM
Subject: Re: [svlug] Debugging memory problems


| On Tue, 2002-01-15 at 17:10, Sanatan Rai wrote:
| > Hi,
| > I have a simulation that runs quite well on Sun machines running
| > Solaris (various).  However it seg-faults while reading some data files
on
| > x86. I had the same problem with Win2000 and g++ and Linux
(SULinux/RH7.x)
| > + g++, so it seems to me that the problem has something to do with the
| > architecture. I am at a loss as to how to find the exact problem.
|
| You didn't say how much RAM your sims use. I have problems with our sims
| hitting 32-bit memory limits. (doing ASIC verification simulations). The
| Sun U-80s use all 4GB RAM and start swapping,the Linux x86 machines seg
| fault the sim at 3GB memory usage.
|
| So, another possibility for your consideration.
|
| Dave
|
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