conf/56031: ipfw hangs on every invocation
James F. Hranicky
jfh at cise.ufl.edu
Wed Sep 3 03:28:14 PDT 2003
On Tue, 2 Sep 2003 12:10:28 -0400 (EDT)
Robert Watson <rwatson at FreeBSD.org> wrote:
>
> On Tue, 2 Sep 2003, James F. Hranicky wrote:
>
> > Let me know if I can provide any more info.
>
> This seems to suggest it's really just the userland application spinning,
> not a hang in the kernel. Could you try using truss to see if, once it
> starts spinning, it's making system calls, or just stuck entirely in
> userspace?
As far as I can tell it's hanging in the last ioctl() .
> Assuming it's purely a userspace problem (perhaps triggered by
> syntactically poor output from the kernel), the next thing to do is
> probably to instrument your ipfw binary with either printfs or debugging
> symbols and see where in its execution it is spinning.
I can compile it with debugging symbols and trace through the execution,
but it seems like the ioctl() is where it's hanging, again some kind of
odd terminal thing.
> Could you include a list of your IPFW rules also, please?
I don't have any set at this time, just the default pass any any.
I'll trace through it with gdb if you think it will help.
Jim
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