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Thread: KDE 4.3.1 using most of my memory

  1. #1
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    Default KDE 4.3.1 using most of my memory

    I have just upgraded from KDE 4.2 to 4.3.1. While 4.2 worked fine, 4.3 uses most of the memory that I have (4Gb). I only know this because of a system info widget that I have running. I don't know what is using all my memory. Also it has disabled the 3d effects on the desktop. I have tried getting them working but the screen starts flashing black and I lose the windows borders.
    Have I upgraded wrong? One click

  2. #2
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    Default Re: KDE 4.3.1 using most of my memory

    that's strange. It doesn't happen here at all. You can see what is eating so much memory either with top or with kde's system monitor. Also, you may try loging out, renaming /home/username/.kde4 and loging back again. Note that by doing this, you'll loose your custom settings for kde so you'll have to reconfigure again some proggie's

  3. #3
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    Default Re: KDE 4.3.1 using most of my memory

    Open a terminal and run: top

    post a screen of it
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  4. #4
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    Default Re: KDE 4.3.1 using most of my memory

    Ok, sorry for the delay
    Here is the output from "top"

    Code:
    14115 root      20   0  679m 226m  22m R   89  5.7  84:50.80 Xorg
    15521 sarge     20   0  292m  22m  14m R    1  0.6   0:00.62 konsole
    14389 sarge     20   0  849m  90m  47m S    1  2.3   1:57.03 plasma-desktop
    14328 sarge     20   0  376m 107m  13m S    1  2.7   0:27.70 kded4
    14373 sarge     20   0  292m  13m 9352 S    1  0.3   0:22.16 ksmserver
    14375 sarge     20   0  290m  31m  23m S    1  0.8   0:19.18 kwin
    14377 sarge     20   0  212m  12m 8120 S    1  0.3   0:13.24 kglobalaccel
    14391 sarge     20   0  342m  20m  13m S    1  0.5   0:23.72 knotify4
    14404 sarge     20   0  211m  12m 8236 S    1  0.3   0:12.62 kaccess
    14412 sarge     20   0  340m  14m  10m S    1  0.4   0:16.16 nepomukserver
    14414 sarge     20   0  623m  29m  21m S    1  0.7   0:15.84 krunner
    14436 sarge     20   0  215m  16m  11m S    1  0.4   0:13.92 kwalletd
    14492 sarge     20   0  221m  16m  10m S    1  0.4   0:12.84 kmix
    14532 sarge     20   0  191m  17m  13m S    1  0.4   0:16.38 kupdateapplet
    14554 sarge     20   0  139m  13m  10m S    1  0.3   0:07.42 kpowersave
    14879 sarge     20   0 70468  12m 8936 S    1  0.3   0:25.22 operapluginwrap
    14967 sarge     20   0  616m  99m  66m S    0  2.5   0:11.70 soffice.bin
        1 root      20   0  1064  388  324 S    0  0.0   0:01.10 init
        2 root      15  -5     0    0    0 S    0  0.0   0:00.00 kthreadd
        3 root      RT  -5     0    0    0 S    0  0.0   0:00.00 migration/0
        4 root      15  -5     0    0    0 S    0  0.0   0:00.52 ksoftirqd/0
        5 root      RT  -5     0    0    0 S    0  0.0   0:00.00 migration/1
        6 root      15  -5     0    0    0 S    0  0.0   0:00.22 ksoftirqd/1
        7 root      15  -5     0    0    0 S    0  0.0   0:01.42 events/0
        8 root      15  -5     0    0    0 S    0  0.0   0:01.58 events/1
        9 root      15  -5     0    0    0 S    0  0.0   0:00.00 khelper
       10 root      15  -5     0    0    0 S    0  0.0   0:00.00 kintegrityd/0
       11 root      15  -5     0    0    0 S    0  0.0   0:00.00 kintegrityd/1
       12 root      15  -5     0    0    0 S    0  0.0   0:00.02 kblockd/0
       13 root      15  -5     0    0    0 S    0  0.0   0:00.00 kblockd/1
       14 root      15  -5     0    0    0 S    0  0.0   0:00.00 kacpid
       15 root      15  -5     0    0    0 S    0  0.0   0:00.00 kacpi_notify
       16 root      15  -5     0    0    0 S    0  0.0   0:00.00 cqueue
       17 root      15  -5     0    0    0 S    0  0.0   0:00.10 kseriod
       18 root      15  -5     0    0    0 S    0  0.0   0:00.82 kondemand/0
       19 root      15  -5     0    0    0 S    0  0.0   0:00.80 kondemand/1
       20 root      20   0     0    0    0 S    0  0.0   0:00.00 pdflush
       21 root      20   0     0    0    0 S    0  0.0   0:00.54 pdflush
       22 root      15  -5     0    0    0 S    0  0.0   0:00.00 kswapd0
       23 root      15  -5     0    0    0 S    0  0.0   0:00.00 aio/0
       24 root      15  -5     0    0    0 S    0  0.0   0:00.00 aio/1

  5. #5
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    Default Re: KDE 4.3.1 using most of my memory

    You have lots of processes running, including kpowersave which is a kde3 application. I deleted it myself.
    But you realise that memory often appears all used up in Linux but it's not.

    The top section of your top was missing. I use htop (you can install it from the repos)
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  6. #6
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    Default Re: KDE 4.3.1 using most of my memory

    Quote Originally Posted by caf4926 View Post
    You have lots of processes running, including kpowersave which is a kde3 application. I deleted it myself.
    But you realise that memory often appears all used up in Linux but it's not.

    The top section of your top was missing. I use htop (you can install it from the repos)
    I'll delete kowersave. I have heard about the memory appearing used, but quite often my system will half freeze. The mouse pointer will still be working but things like the clock I have on the desktop will freeze up. If I try to search in the kickoff menu, kickoff will freeze. It is all a bit odd. KDE 4.2 was fine for most of the time thats why I'm wondering if I have mucked up the install.

  7. #7
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    Default Re: KDE 4.3.1 using most of my memory

    It's normal for linux to use up all available memory - it will allocate all memory not being used by application to buffers and cache (mostly to cache). So, what you need to look at is the amount of memory being used by applications - many memory monitors don't break it down in that way and I don't know why because that's really the important factor. The amount of memory used by cache will shrink and grow based on what's available. Maybe you already knew all that. Open system monitor - click on the

    What I notice from Top is that xorg is using 89% of your cpu - that's not normal and that would certainly slow things down.

    Hope that helps,
    James

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    Default Re: KDE 4.3.1 using most of my memory

    Thanks James.
    I have come across articles about the memory usage in linux. I don't know if I understand it. I have noticed that xorg was taking up a lot of the cpu. I tried rebooting and there was an xorg update, but none of that made any difference. I have just rebooted this morning and everything appears to be working as it should. I don't know what is going on. But won't be complaining.
    I hope all is well now as this coming week I am working away from home so I won't have access to the internet for large downloads.

  9. #9

    Default Re: KDE 4.3.1 using most of my memory

    Do you by any chance have an ATI Graphics Card and its drivers? If yes then that's your problem. The people above me responded to a completely different question. In your case the "top" command clearly shows that Xorg eats up 89% of your CPU. Which means that your system must be crawling. Am I right?
    In this bed I made for me
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  10. #10
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    Default Re: KDE 4.3.1 using most of my memory

    Quote Originally Posted by kokorikos View Post
    Do you by any chance have an ATI Graphics Card and its drivers? If yes then that's your problem. The people above me responded to a completely different question. In your case the "top" command clearly shows that Xorg eats up 89% of your CPU. Which means that your system must be crawling. Am I right?
    Yes I do have an ATI graphics card (in my laptop). And yes, it is crawling. The interesting thing is that the widgets are slow, as is the starting of programs etc. But the the mouse is still moving as normal.
    I have had a bit of a problem installing the ATI drivers in the past.
    My laptop graphics is an "ATI Radeon HD3470"

    I have noticed that Xorg is using about 45% of the cpu now in 4.3.1
    I am currently in KDE 3.5 and it seems to be working fine.

    Any (simple) ideas anyone?

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