Date: Mon, 24 Jun 2013 14:21:56 +0400 From: Gleb Smirnoff <glebius@FreeBSD.org> To: Glen Barber <gjb@FreeBSD.org> Cc: freebsd-current@FreeBSD.org Subject: Re: [panic] swi4 page fault (ip_slowtimo()) Message-ID: <20130624102155.GF1214@FreeBSD.org> In-Reply-To: <20130622001712.GA1888@glenbarber.us> References: <20130622001712.GA1888@glenbarber.us>
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On Fri, Jun 21, 2013 at 08:17:12PM -0400, Glen Barber wrote:
G> Hi,
G>
G> I have the following kgdb session from a page fault seemingly triggered
G> in pf(4).
pfslowtimo() isn't related to pf(4). "pf" stands here for "protocol family".
G> (kgdb) list *0xffffffff80772688
G> 0xffffffff80772688 is in ip_slowtimo (/usr/src/sys/netinet/ip_input.c:1242).
G> 1237 for(fp = TAILQ_FIRST(&V_ipq[i]); fp;) {
G> 1238 struct ipq *fpp;
G> 1239
G> 1240 fpp = fp;
G> 1241 fp = TAILQ_NEXT(fp, ipq_list);
G> 1242 if(--fpp->ipq_ttl == 0) {
G> 1243 IPSTAT_ADD(ips_fragtimeout,
G> 1244 fpp->ipq_nfrags);
G> 1245 ip_freef(&V_ipq[i], fpp);
G> 1246 }
G> (kgdb) p *ipq
G> $1 = {tqh_first = 0x0, tqh_last = 0xffffffff80e20e80}
Can you please "print ipq", so that we can look at entire array.
--
Totus tuus, Glebius.
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