Re: ip_conntrack modules still somewhat buggy

[Rusty Russell]

In message <[e-mail]> you write:
> Hello,
> 
> from the log below, you can see, that the module ip_conntrack is neither
> loaded nor unloaded. This should never happen, but it does in
> linux-2.4.0-test5. Maybe there are some insmod|rmmod races, because I
> insmod ip_conntrack in my /etc/ppp/ip-up script and I rmmod it in my
> /etc/ppp/ip-down script, and unter rare circumstances, both may be run
> simultaneously.
> 
> router|20:27:10|/etc> lsmod
> Module                  Size  Used by
> ip_conntrack               0   0  (deleted)

This means that someone is holding an skb with a reference to a
connection, so ip_conntrack won't unload.  This is insoluble with the
current module architecture.

Rusty.
--
Hacking time.