Date: Wed, 3 Sep 2003 03:30:20 -0700 (PDT) From: "James F. Hranicky" <jfh@cise.ufl.edu> To: freebsd-bugs@FreeBSD.org Subject: Re: conf/56031: ipfw hangs on every invocation Message-ID: <200309031030.h83AUKcO027901@freefall.freebsd.org>
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The following reply was made to PR conf/56031; it has been noted by GNATS. From: "James F. Hranicky" <jfh@cise.ufl.edu> To: Robert Watson <rwatson@FreeBSD.org> Cc: FreeBSD-gnats-submit@FreeBSD.org, admin@cise.ufl.edu, freebsd-bugs@FreeBSD.org Subject: Re: conf/56031: ipfw hangs on every invocation Date: Wed, 3 Sep 2003 06:28:09 -0400 On Tue, 2 Sep 2003 12:10:28 -0400 (EDT) Robert Watson <rwatson@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. Jimhome | help
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