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ifconfig up/down problem

To: netdev@xxxxxxxxxxx
Subject: ifconfig up/down problem
From: Sven-Haegar Koch <haegar@xxxxxxxxx>
Date: Tue, 9 Sep 2003 00:08:06 +0200 (CEST)
Sender: netdev-bounce@xxxxxxxxxxx
hi...

Short: ifconfig ethX down locks

Kernel: 2.4.22-bk12 (same problem with 2.4.23-pre3)
eth0: eepro100
eth1: orinoco_cs (orinoco mini-pci)
System: Toshiba Satellite Pro 4600 Laptop, P3 700Mhz

Just after booting, no X startet yet, interface not yet initialized:

aurora:~# ifconfig eth1 down
aurora:~# ifconfig eth1 up
aurora:~# ifconfig eth1 down
aurora:~# ifconfig eth1 up
aurora:~# ifconfig eth1 down
<--lock here, shell does not return, even ctrl-c does not help

haegar@aurora:~$ ps axl|grep ifconfig
4     0  1041  1035   9   0  1448  404 dev_cl S    pts/0      0:00 ifconfig eth1

top shows ifconfig consuming 100% cpu, 100% system

The same happens with eth0, there it takes only two up/down cycles,
perhaps because it is already configured with ipv4+ipv6 addresses, and the
same happens using '/sbin/ip link set eth0 up/down' too.

Kernel 2.4.20-pre2-ac3 is ok (my last kernel, running for month')

c'ya
sven

ps: kernel config available under http://sdinet.de/tmp/config-2.4.22-bk12
ps2: loaded modules:
        Module                  Size  Used by    Not tainted
        input                   3328   0 (autoclean)
        ipt_limit                888  10 (autoclean)
        ipt_REJECT              3480   2
        ipt_LOG                 3416  10
        ipt_state                568  12
        ip_conntrack_ftp        4176   0 (unused)
        ip_conntrack           18116   3 [ipt_state ip_conntrack_ftp]
        iptable_filter          1740   1
        ip_tables              12448   5 [ipt_limit ipt_REJECT ipt_LOG 
ipt_state iptable_filter]
        orinoco_cs              4596   1
        orinoco                36116   0 [orinoco_cs]
        hermes                  7044   0 [orinoco_cs orinoco]
        ds                      6996   3 [orinoco_cs]
        acm                     6464   0 (unused)
        pwc                    44432   0 (unused)
        videodev                6048   0 [pwc]
        audio                  43256   0 (unused)
        soundcore               3652   0 [audio]
        usb-uhci               23696   0 (unused)
        ide-scsi               10320   0
        i810_rng                3200   0 (unused)
        serial                 48228   0 (autoclean)
        isa-pnp                32560   0 (autoclean) [serial]
        parport_pc             23784   1 (autoclean)
        lp                      7040   0 (autoclean)
        parport                25512   1 (autoclean) [parport_pc lp]
        sd_mod                 11180   0 (unused)
        scsi_mod               87216   2 [ide-scsi sd_mod]
        usbcore                62956   1 [acm pwc audio usb-uhci]
        yenta_socket           12928   3
        pcmcia_core            43520   0 [orinoco_cs ds yenta_socket]
        agpgart                25320   0 (unused)
        ipv6                  174100  -1
        eepro100               21972   1
        mii                     2432   0 [eepro100]
        rtc                     6792   0 (autoclean)

--

The Internet treats censorship as a routing problem, and routes around it.
(John Gilmore on http://www.cygnus.com/~gnu/)

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