Xorg massive memory usage

[Dennis J.]

I'm seeing Xorg leaking memory too:
https://bugzilla.redhat.com/show_bug.cgi?id=531779

Regards,
   Dennis

On 02/03/2010 06:35 PM, Marcus Rademacher wrote:
> It lists x-nautilus-desktop at the top with 2257K, then two more entries
> that are <unknown> with 2250K in use each.
>
> Marcus
>
> On Wed, Feb 3, 2010 at 10:53 AM, Clemens Eisserer <linuxhippy at gmail.com
> <mailto:linuxhippy at gmail.com>> wrote:
>
>     What does xrestop report when you see Xorg consuming such large
>     amounts of memory?
>
>     - Clemens
>
>     2010/2/3 Marcus Rademacher <endingpop at gmail.com
>     <mailto:endingpop at gmail.com>>:
>      > I'm having an issue with Xorg using a ton of memory. To start
>     off, here are
>      > the machine specs:
>      >
>      > Dell Precision M4400
>      > 4 GB of RAM
>      > Dedicated video card with onboard video RAM
>      > Running Ubuntu 9.10 x64
>      > Not using Compiz or any special display effects.
>      >
>      > Results of "X -version":
>      > X.Org X Server 1.6.4
>      > Release Date: 2009-9-27
>      > X Protocol Version 11, Revision 0
>      > Build Operating System: Linux 2.6.24-23-server x86_64 Ubuntu
>      > Current Operating System: Linux marcus-laptop 2.6.31-17-generic
>     #54-Ubuntu
>      > SMP Thu Dec 10 17:01:44 UTC 2009 x86_64
>      > Kernel command line: BOOT_IMAGE=/boot/vmlinuz-2.6.31-17-generic
>      > root=UUID=dc474f24-3833-4896-bd3e-0a209d66a767 ro vga=799 quiet
>     splash
>      > Build Date: 14 November 2009  05:48:57PM
>      > xorg-server 2:1.6.4-2ubuntu4.1 (buildd@)
>      >     Before reporting problems, check http://wiki.x.org
>      >     to make sure that you have the latest version.
>      >
>      > I'm using this machine for thesis research, and that involves
>     running some
>      > niche software and some of my own code. The crux is that many
>     folders and
>      > files are created and deleted over the course of 30 seconds.
>     These runs take
>      > several days to complete.
>      >
>      > The problem is that if I start out with a fresh log in Xorg
>     starts at about
>      > 30 MiB in use. After letting my program run overnight, Xorg is
>     typically
>      > using several GiB of memory, pushing the amount in use up about 95%.
>      > Normally I can do regular web browsing while my program runs, but
>     when the
>      > memory usage is that high the whole machine is unusable, and my
>     research
>      > program slows a lot.
>      >
>      > So what I'm actually running is a bash script that calls a commercial
>      > optimization code (HEEDS) several times in sequence, which in
>     turn calls
>      > Matlab and some very small C programs of mine many times as well.
>     So no
>      > instance of my code or HEEDS is running the entire length of
>     time, since
>      > they end and new instances begin many times. That fact, and that
>     I've run
>      > this same thing on other Linux platforms and Windows without
>     issue makes me
>      > think that this is unrelated to the code I'm running. Perhaps it's
>      > exacerbated by the many folders and files that are created over
>     the course
>      > of the program's run.
>      >
>      > So what do I have to do prevent Xorg from stealing all of my memory?
>      >
>      > Also posted to Ubuntu Forums:
>      > http://ubuntuforums.org/showthread.php?t=1397093
>      >
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