Re: [PATCH] ax25 Locking fix

From: Ralf Baechle DO1GRB (terhi.victor@logonet.com)
Date: Sat Feb 28 2004 - 19:26:50 EET

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    On Sat, Feb 14, 2004 at 12:18:22AM +0000, Bernard Pidoux wrote:

    > Is there any chance that you could have a look at rose.o module code in
    > order to fix a kernel panic problem.
    > If rose module is just installed it can be removed and reinstalled
    > without problem.
    > But as soon as I do "ifconfig rose0 2080175502" I have a kernel panic.
    > Also if I perform a rsattach and try to remove the module then I have a
    > kernel oops.

    I assume you meant "ifconfig rose0 hw rose 2080175502"? Without the
    "hw rose" it's just an obscure way to set the ip address to 12.104.129.142.

    > Once I had the chance to catch this message from syslog@f6bvp
    > (f6bvp is the actual name of my Linux machine):
    >
    > f6bvp kernel : unregister_net_device : wainting for rose0 to become
    > free. Usage count =1
    > repeats x times ...
    >
    > and then I observed a catastrophic PC reboot.

    Sounds like a problem with reference counting, can't be hard to fix.

      Ralf
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