[Bug 313051] iptables modules fail to unload

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Summary: iptables modules fail to unload


https://bugzilla.redhat.com/show_bug.cgi?id=313051





------- Additional Comments From nhorman at redhat.com  2008-06-17 08:55 EST -------
You may well be seeing this:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=16fcec35e7d7c4faaa4709f6434a4a25b06d25e3
Prior to this patch there was a deadlock condition between the kernel and
userspace as described in that patch.  The fix was to fix up our reference
counting, and make modprobe non-blocking by default (which is how insmod always
works).  The down side is that the iptables service can sometimes fail to unload
modules.  The fix/workaround probably in the best case needs to be for the
iptables service script to retry unloading a module after a failure, as it will
likely succede on a repetition of the attempt


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