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Thread: strange memory consumption values in System Monitor

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  1. #1
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    Unhappy strange memory consumption values in System Monitor

    Hi,

    on my hardy 64bit, I get this very strange set of memory consumption values for some processes. For some others its looks fine (I am not sure anymore if those values are correct anyway).

    Attaching a screenshot.

    Has anyone seen a process in their system monitor that takes up 17179869180.0 GB RAM ??
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    Ubuntu User #21703 Linux User #470446
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  2. #2
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    Re: strange memory consumption values in System Monitor

    i have had a similar problem with this, but instead, it says that i was using 100 percent of my cpu. it must be a bug, especially when i have equipment capable of running linux, its an amd 3000+

  3. #3
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    Re: strange memory consumption values in System Monitor

    The "insane memory usage" problem is an Xgl bug. The sooner we can drop that unmaintained annoyance, the better.

    If system monitor says CPU utilisation is at 100%, it's likely correct.
    Remember: if your problem is not described on a Launchpad bug, it can only be fixed by accident!

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    Re: strange memory consumption values in System Monitor

    Quote Originally Posted by RAOF View Post
    The "insane memory usage" problem is an Xgl bug. The sooner we can drop that unmaintained annoyance, the better.

    If system monitor says CPU utilisation is at 100%, it's likely correct.
    Well, for me its says 50% CPU, but I guess that would be because I am on Core2Duo, and system monitor shows 2 cpus in there. So, effectively its hogging 1 cpu 100% resulting in effectively 50% usage overall.

    How about a bug reported on this issue ? Is it already reported ?
    Ubuntu User #21703 Linux User #470446
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    Re: strange memory consumption values in System Monitor

    Instead of using the graphical system monitor, use the command line based htop
    Code:
    sudo apt-get install htop
    There is a bug in system monitor itself. Running htop on command line yields accurate reading of your system.
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    Last edited by retrow; May 6th, 2008 at 06:25 AM.
    Face your daemons

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    Re: strange memory consumption values in System Monitor

    Quote Originally Posted by s_raghu20 View Post
    Well, for me its says 50% CPU, but I guess that would be because I am on Core2Duo, and system monitor shows 2 cpus in there. So, effectively its hogging 1 cpu 100% resulting in effectively 50% usage overall.

    How about a bug reported on this issue ? Is it already reported ?
    What issue? What program is taking 100% of a core for you? This can be entirely normal if, for example, that program is doing something fundamentally CPU intensive .
    Remember: if your problem is not described on a Launchpad bug, it can only be fixed by accident!

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    Re: strange memory consumption values in System Monitor

    Quote Originally Posted by RAOF View Post
    What issue? What program is taking 100% of a core for you? This can be entirely normal if, for example, that program is doing something fundamentally CPU intensive .
    The point was about system monitor showing insanely huge memory consumption values for processes.

    The CPU usage that I reported was for gnome-display-properties thing. I think I confused between two threads and mentioned my cpu usage stats here, whereas they were meant to be taken in the view of this thread - http://ubuntuforums.org/showthread.php?t=783619

    So, back to the system monitor thing, how is it supposed to be fixed then ? The fact that it reports wrong values for memory used remains. Has it been raised as a bug ? Is there some update/fix already available ? Or is it just because I am using xserver-xgl ?
    Ubuntu User #21703 Linux User #470446
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    Re: strange memory consumption values in System Monitor

    GNOME is correct; it's not a GNOME bug. It's a bug in the way XGL reports memory usage. It should be reported upstream to the freedesktop.org bugtracker, but there's not much development of XGL going on anymore - there have been only 9 commits to the repository this year so far, and fewer than 30 commits over the whole of 2007.

    Quote Originally Posted by RAOF View Post
    ...The sooner we can drop that unmaintained annoyance, the better.
    ...
    It's not quite unmaintained yet, but it's pretty much obsoleted by the improved Xorg drivers, EXA maturing, DRI2, etc.
    Remember: if your problem is not described on a Launchpad bug, it can only be fixed by accident!

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    Re: strange memory consumption values in System Monitor

    Quote Originally Posted by RAOF View Post
    GNOME is correct; it's not a GNOME bug. It's a bug in the way XGL reports memory usage. It should be reported upstream to the freedesktop.org bugtracker, but there's not much development of XGL going on anymore - there have been only 9 commits to the repository this year so far, and fewer than 30 commits over the whole of 2007.

    It's not quite unmaintained yet, but it's pretty much obsoleted by the improved Xorg drivers, EXA maturing, DRI2, etc.
    Right, I think I got the picture. I am using a package that is not developed actively further.

    My need to use this driver is because of my laptop hardware (HP Compaq 6710b). As of now, I found out that only with this driver Compiz works on my laptop.

    It would be interesting to check out the possible replacements for xgl on my hardware and see how they behave.
    Ubuntu User #21703 Linux User #470446
    HP 6710b, C2D T7300 2GB RAM Intel X3100 Graphics | lucid lynx 64b
    Core2Quad Q6600 6GB | 12.04 64b
    http://tech.sraghav.in

  10. #10
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    Re: strange memory consumption values in System Monitor

    Quote Originally Posted by s_raghu20 View Post
    Right, I think I got the picture. I am using a package that is not developed actively further.

    My need to use this driver is because of my laptop hardware (HP Compaq 6710b). As of now, I found out that only with this driver Compiz works on my laptop.

    It would be interesting to check out the possible replacements for xgl on my hardware and see how they behave.
    Really? For almost all people Hardy should have removed the need for XGL to run compiz - presumably you have an ATI card in that laptop? If it's supported by the fglrx driver, you don't need XGL. If it isn't supported by the fglrx driver, you can use the open-source 'ati' driver (possibly having to bypass compiz' blacklist, though).
    Remember: if your problem is not described on a Launchpad bug, it can only be fixed by accident!

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