Panic in 5.3, related to network traffic
Arjan Van Leeuwen
avleeuwen at gmail.com
Sat Nov 13 12:38:32 PST 2004
On Wed, 10 Nov 2004 16:42:01 +0000 (GMT), Robert Watson
<rwatson at freebsd.org> wrote:
> On Wed, 10 Nov 2004, Arjan Van Leeuwen wrote:
> > > Could you send a copy of your dmesg? Could you also use gdb on a kernel
> > > with debug symbols or addr2line to convert the function+offsets in the
> > > trace to file and line number in the source? This is a NULL pointer
> > > dereference, so presumably somewhere there is a poor assumption about
> > > memory allocation or the like.
> > dmesg is attached.
> Could you say a little about how ipfilter is being used on the box; would
> it be possible to test with it disabled?
I've converted my ipfilter/ipnat system to ipfw/natd, and now the
problem is "solved".
However, your patch still gives me a *lot* of icmp_error: n_spare != n
messages. I also noticed that if I ping from that system, it pings
every 2 seconds instead of every second. The clock doesn't seem to be
affected, and changing kern.timecounter.hardware doesn't change the
> Robert N M Watson FreeBSD Core Team, TrustedBSD Projects
> robert at fledge.watson.org Principal Research Scientist, McAfee Research
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