Re: modprobe cpu usage > 90 %

From: Hans Christian Studt (hcstudt_at_post10.tele.dk)
Date: 09/01/04

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    To: For users of Fedora Core releases <fedora-list@redhat.com>, fedora@linsolutions.com
    Date: Wed, 01 Sep 2004 18:53:44 +0200
    
    

    Listman wrote:
    >On Wed, 2004-09-01 at 03:31, Hans Christian Studt wrote:
    >>Hi,
    >>I am trying to restart iptables through the KDE gui services tool, and according to 'top' modprobe use > 90%, now for more than 5 minuttes, while the service gui is unavailable.
    >>I probably wiil have to reboot to recover from this situation.
    >>I am using plain FC2
    >>Linux tux1700 2.6.8-1.521 #1 Mon Aug 16 09:01:18 EDT 2004 i686 athlon i386 GNU/Linux
    >>top - 09:39:29 up 45 min, 11 users, load average: 1.16, 1.00, 0.55
    >>Tasks: 113 total, 3 running, 109 sleeping, 0 stopped, 1 zombie
    >>Cpu(s): 11.6% us, 88.4% sy, 0.0% ni, 0.0% id, 0.0% wa, 0.0% hi, 0.0% si
    >>Mem: 515848k total, 453428k used, 62420k free, 40724k buffers
    >>Swap: 1052216k total, 0k used, 1052216k free, 232000k cached
    >>
    >> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
    >> 3604 root 25 0 1896 428 1416 R 86.5 0.1 9:42.57 modprobe
    >> 2660 root 15 0 96648 10m 85m S 8.0 2.2 0:26.28 X
    >> 2863 hcs 15 0 30924 15m 26m S 2.0 3.1 0:03.11 kdeinit
    >> 2852 hcs 15 0 30596 16m 26m S 1.3 3.2 0:04.68 kdeinit
    >> 3203 hcs 15 0 159m 94m 34m S 1.0 18.7 0:41.55 mozilla-bin
    >> 2848 hcs 16 0 27336 13m 24m S 0.7 2.6 0:02.22 kdeinit
    >
    >What happens if you don't use the gui?
    >What do the log files tell you?
    >Maybe the gui is broken.
    >service iptables restart in a terminal what happens?
    >Is you machine fully updated?
    >
    >Ted

    The problem also occurs without the gui.

    ----- iptables -L -----
    Table: filter
    Chain INPUT (policy ACCEPT)
    target prot opt source destination

    Chain FORWARD (policy ACCEPT)
    target prot opt source destination

    Chain OUTPUT (policy ACCEPT)
    target prot opt source destination

    Table: nat
    Chain PREROUTING (policy ACCEPT)
    target prot opt source destination

    Chain POSTROUTING (policy ACCEPT)
    target prot opt source destination
    MASQUERADE all -- anywhere anywhere

    Chain OUTPUT (policy ACCEPT)
    target prot opt source destination
    ----- iptables -L -----

    ----- /etc/sysconfig/iptables -----
    *nat
    :PREROUTING ACCEPT [0:0]
    :POSTROUTING ACCEPT [0:0]
    :OUTPUT ACCEPT [0:0]
    -A POSTROUTING -o ppp0 -j MASQUERADE
    COMMIT
    *filter
    :INPUT ACCEPT [0:0]
    :FORWARD ACCEPT [0:0]
    :OUTPUT ACCEPT [0:0]
    COMMIT
    ----- /etc/sysconfig/iptables -----

    (~) #service iptables restart
    Udskriver brandmurs-regler: [ O.k. ]
    Sætter kæder til retningslinje ACCEPT: filter nat [ O.k. ]
    Fjerner iptables-moduler:

    top - 18:52:17 up 20 min, 11 users, load average: 1.07, 0.99, 0.56
    Tasks: 111 total, 2 running, 108 sleeping, 0 stopped, 1 zombie
    Cpu(s): 13.6% us, 86.4% sy, 0.0% ni, 0.0% id, 0.0% wa, 0.0% hi, 0.0% si
    Mem: 515848k total, 438436k used, 77412k free, 38244k buffers
    Swap: 1052216k total, 0k used, 1052216k free, 226560k cached

      PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
     3413 root 25 0 2748 428 1416 R 82.9 0.1 8:13.67 modprobe
     2663 root 15 0 97048 11m 85m S 9.6 2.2 0:30.75 X
     2869 hcs 15 0 31308 15m 26m S 2.7 3.0 0:02.91 kdeinit
     3207 hcs 15 0 153m 87m 34m S 1.0 17.4 0:56.53 mozilla-bin

    Nothing in the logfiles.
    -rw------- 1 root 124492 1 sep 18:43 messages
    ons sep 01 18:52:58 (root)@(tux1700)on(pts/3):
    (/var/log) #

    Last updated 10 days ago.
    -rw-r--r-- 1 root 5489 22 aug 19:53 yum.log
    08/22/04 16:02:20 Updated: kernel-sourcecode 2.6.8-1.521.noarch

    Mvh Hans Christian Studt
    Private +45 48 79 79 89
    Mobile +45 29 23 54 14
    Business +45 36 14 54 14
    mailto:hc@studt.dk http://hc.studt.dk
    Powered by Linux 2.6.8-1.521

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