NetBSD Problem Report #56515
From root@deep-thought.sub-etha.starwolf.com Sat Nov 20 20:07:10 2021
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for <gnats-bugs@gnats.NetBSD.org>; Sat, 20 Nov 2021 20:07:10 +0000 (UTC)
Message-Id: <20211120173900.8269248EF14@deep-thought.sub-etha.starwolf.com>
Date: Sat, 20 Nov 2021 09:39:00 -0800 (PST)
From: greywolf@starwolf.com
Reply-To: greywolf@starwolf.com
To: gnats-bugs@NetBSD.org
Subject: dhcpd dumps core after running a while (SIGSEGV)
X-Send-Pr-Version: 3.95
>Number: 56515
>Category: bin
>Synopsis: dhcpd dumps core after running a while (SIGSEGV)
>Confidential: no
>Severity: critical
>Priority: medium
>Responsible: bin-bug-people
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Sat Nov 20 20:10:00 +0000 2021
>Last-Modified: Sat Nov 20 21:55:01 +0000 2021
>Originator: Greywolf
>Release: NetBSD 9.99.92
>Organization:
>Environment:
System: NetBSD deep-thought.sub-etha.starwolf.com 9.99.92 NetBSD 9.99.92 (DEEP-THOUGHT) #0: Wed Nov 17 17:39:14 PST 2021 greywolf@eddie.starwolf.com:/sys/arch/amd64/compile/DEEP-THOUGHT amd64
Architecture: x86_64
Machine: amd64
/usr/sbin/dhcpd:
-lirs.18 => /usr/lib/libirs.so.18
-lblocklist.0 => /usr/lib/libblocklist.so.0
-lc.12 => /usr/lib/libc.so.12
-lpthread.1 => /usr/lib/libpthread.so.1
-lgssapi.11 => /usr/lib/libgssapi.so.11
-lkrb5.27 => /usr/lib/libkrb5.so.27
-lhx509.6 => /usr/lib/libhx509.so.6
-lasn1.10 => /usr/lib/libasn1.so.10
-lcom_err.8 => /usr/lib/libcom_err.so.8
-lroken.20 => /usr/lib/libroken.so.20
-lutil.7 => /usr/lib/libutil.so.7
-lcrypt.1 => /usr/lib/libcrypt.so.1
-lcrypto.14 => /usr/lib/libcrypto.so.14
-lwind.1 => /usr/lib/libwind.so.1
-lheimbase.2 => /usr/lib/libheimbase.so.2
-lsqlite3.1 => /usr/lib/libsqlite3.so.1
-lm.0 => /usr/lib/libm.so.0
-lheimntlm.5 => /usr/lib/libheimntlm.so.5
-lisccfg.18 => /usr/lib/libisccfg.so.18
-lisc.18 => /usr/lib/libisc.so.18
-lz.1 => /usr/lib/libz.so.1
-ldns.18 => /usr/lib/libdns.so.18
-lexecinfo.0 => /usr/lib/libexecinfo.so.0
-lelf.2 => /usr/lib/libelf.so.2
-lkvm.6 => /usr/lib/libkvm.so.6
-lssl.14 => /usr/lib/libssl.so.14
-lipsec.3 => /usr/lib/libipsec.so.3
/usr/sbin/dhcpd:
$NetBSD: crt0.S,v 1.4 2018/11/26 17:37:46 joerg Exp $
$NetBSD: crt0-common.c,v 1.24 2021/04/20 21:42:31 christos Exp $
$NetBSD: crti.S,v 1.1 2010/08/07 18:01:35 joerg Exp $
$NetBSD: crtbegin.S,v 1.2 2010/11/30 18:37:59 joerg Exp $
$NetBSD: dhcpd.c,v 1.4 2021/05/26 22:52:32 christos Exp $
$NetBSD: dhcp.c,v 1.3 2020/08/03 21:10:57 christos Exp $
$NetBSD: dhcpv6.c,v 1.4 2020/08/03 21:10:57 christos Exp $
$NetBSD: bootp.c,v 1.2 2018/04/07 22:37:30 christos Exp $
$NetBSD: confpars.c,v 1.3 2020/08/03 21:10:57 christos Exp $
$NetBSD: db.c,v 1.2 2018/04/07 22:37:30 christos Exp $
$NetBSD: class.c,v 1.3 2020/08/03 21:10:57 christos Exp $
$NetBSD: failover.c,v 1.3 2020/08/03 21:10:57 christos Exp $
$NetBSD: omapi.c,v 1.2 2018/04/07 22:37:30 christos Exp $
$NetBSD: mdb.c,v 1.3 2020/08/03 21:10:57 christos Exp $
$NetBSD: mdb6.c,v 1.5 2020/08/03 21:10:57 christos Exp $
$NetBSD: stables.c,v 1.3 2020/08/03 21:10:57 christos Exp $
$NetBSD: salloc.c,v 1.2 2018/04/07 22:37:30 christos Exp $
$NetBSD: ddns.c,v 1.3 2020/08/03 21:10:57 christos Exp $
$NetBSD: dhcpleasequery.c,v 1.3 2020/08/03 21:10:57 christos Exp $
$NetBSD: dispatch.c,v 1.2 2018/04/07 22:37:29 christos Exp $
$NetBSD: icmp.c,v 1.2 2018/04/07 22:37:29 christos Exp $
$NetBSD: comapi.c,v 1.2 2018/04/07 22:37:29 christos Exp $
$NetBSD: memory.c,v 1.2 2018/04/07 22:37:29 christos Exp $
$NetBSD: discover.c,v 1.4 2020/08/03 21:10:56 christos Exp $
$NetBSD: execute.c,v 1.3 2020/08/03 21:10:56 christos Exp $
$NetBSD: dns.c,v 1.4 2020/08/03 21:10:56 christos Exp $
$NetBSD: alloc.c,v 1.2 2018/04/07 22:37:29 christos Exp $
$NetBSD: tables.c,v 1.3 2020/08/03 21:10:56 christos Exp $
$NetBSD: tree.c,v 1.2 2018/04/07 22:37:29 christos Exp $
$NetBSD: options.c,v 1.5 2021/01/13 17:01:31 christos Exp $
$NetBSD: ctrace.c,v 1.2 2018/04/07 22:37:29 christos Exp $
$NetBSD: socket.c,v 1.4 2020/08/03 21:10:56 christos Exp $
$NetBSD: bpf.c,v 1.4 2020/05/15 12:31:03 manu Exp $
$NetBSD: print.c,v 1.2 2018/04/07 22:37:29 christos Exp $
$NetBSD: packet.c,v 1.3 2020/05/15 12:31:03 manu Exp $
$NetBSD: ethernet.c,v 1.2 2018/04/07 22:37:29 christos Exp $
$NetBSD: conflex.c,v 1.2 2018/04/07 22:37:29 christos Exp $
$NetBSD: parse.c,v 1.4 2021/05/26 22:52:31 christos Exp $
$NetBSD: ns_name.c,v 1.3 2020/08/03 21:10:56 christos Exp $
$NetBSD: inet.c,v 1.2 2018/04/07 22:37:29 christos Exp $
$NetBSD: convert.c,v 1.2 2018/04/07 22:37:30 christos Exp $
$NetBSD: auth.c,v 1.2 2018/04/07 22:37:30 christos Exp $
$NetBSD: handle.c,v 1.2 2018/04/07 22:37:30 christos Exp $
$NetBSD: support.c,v 1.2 2018/04/07 22:37:30 christos Exp $
$NetBSD: hash.c,v 1.2 2018/04/07 22:37:30 christos Exp $
$NetBSD: protocol.c,v 1.2 2018/04/07 22:37:30 christos Exp $
$NetBSD: generic.c,v 1.2 2018/04/07 22:37:30 christos Exp $
$NetBSD: listener.c,v 1.2 2018/04/07 22:37:30 christos Exp $
$NetBSD: connection.c,v 1.3 2019/01/10 17:41:47 christos Exp $
$NetBSD: isclib.c,v 1.6 2021/08/19 11:50:56 christos Exp $
$NetBSD: toisc.c,v 1.2 2018/04/07 22:37:30 christos Exp $
$NetBSD: array.c,v 1.2 2018/04/07 22:37:30 christos Exp $
$NetBSD: dispatch.c,v 1.4 2019/01/27 01:51:50 christos Exp $
$NetBSD: result.c,v 1.3 2019/02/25 02:31:57 christos Exp $
$NetBSD: buffer.c,v 1.4 2019/01/27 01:51:50 christos Exp $
$NetBSD: trace.c,v 1.2 2018/04/07 22:37:30 christos Exp $
$NetBSD: alloc.c,v 1.2 2018/04/07 22:37:30 christos Exp $
$NetBSD: errwarn.c,v 1.4 2020/11/12 22:11:03 christos Exp $
$NetBSD: message.c,v 1.2 2018/04/07 22:37:30 christos Exp $
$NetBSD: crtend.S,v 1.1 2010/08/07 18:01:34 joerg Exp $
$NetBSD: crtn.S,v 1.1 2010/08/07 18:01:35 joerg Exp $
dhcpd.conf: (sanitized)
# *** GLOBAL PARAMETERS ***
default-lease-time 600;
max-lease-time 7200;
# If this DHCP server is the official DHCP server for the local
# network, the authoritative directive should be uncommented.
authoritative;
# Dynamic DNS update scheme - must be set to "none", "interim" or "ad-hoc".
ddns-update-style interim;
#ddns-update-style none;
# Use this to send dhcp log messages to a different log file (you also
# have to hack syslog.conf to complete the redirection).
log-facility daemon;
zone internal.starwolf.com. {
primary 172.31.250.11;
}
zone 250.31.172.in-addr.arpa. {
primary 172.31.250.11;
}
subnet 172.31.250.0 netmask 255.255.254.0 {
interface wm1;
range 172.31.251.0 172.31.251.240;
option domain-name-servers 172.31.250.11, 172.31.250.2, 8.8.8.8;
option domain-name "internal.starwolf.com.";
option routers 172.31.250.1;
option broadcast-address 172.31.251.255;
default-lease-time 600;
max-lease-time 7200;
allow client-updates;
}
host milliways {
hardware ethernet C0:FF:EE:0D:EC:AF
fixed-address 172.31.251.242;
option domain-name-servers 192.168.60.2, 172.31.250.11, 172.31.250.2;
prepend domain-name "mywork.com ";
option routers 172.31.250.1;
}
Termination backtrace:
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x0000764028c46076 in isc_hp_retire () from /usr/lib/libisc.so.18
[Current thread is 1 (process 9295)]
>Description:
dhcpd runs for a couple hours and then gives up the ghost with
a SIGSEGV
>How-To-Repeat:
/usr/bin/dhcpd -q; connect several devices.
>Fix:
Currently, once a minute, I am running a check-and-restart-if-needed
script via cron to keep the dhcpd up and going.
>Audit-Trail:
From: Christos Zoulas <christos@zoulas.com>
To: gnats-bugs@netbsd.org
Cc: gnats-admin@netbsd.org,
netbsd-bugs@netbsd.org
Subject: Re: bin/56515: dhcpd dumps core after running a while (SIGSEGV)
Date: Sat, 20 Nov 2021 16:52:03 -0500
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It seems that it gets bad thread id 4 >= 4 for me. Perhaps it has an
active thing in the queue before the code tries to reduce its size.
I have not figured it out yet.
christos
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? o
Index: hp.c
===================================================================
RCS file: /cvsroot/src/external/mpl/bind/dist/lib/isc/hp.c,v
retrieving revision 1.4
diff -u -p -u -r1.4 hp.c
--- hp.c 29 Apr 2021 17:26:12 -0000 1.4
+++ hp.c 20 Nov 2021 19:27:15 -0000
@@ -1,4 +1,4 @@
-/* $NetBSD: hp.c,v 1.4 2021/04/29 17:26:12 christos Exp $ */
+/* $NetBSD: hp.c,v 1.1.1.3 2021/04/29 16:46:31 christos Exp $ */
/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
@@ -55,6 +55,9 @@
#include <isc/thread.h>
#include <isc/util.h>
+#include <syslog.h>
+#include <stdlib.h>
+
#define HP_MAX_THREADS 128
static int isc__hp_max_threads = HP_MAX_THREADS;
#define HP_MAX_HPS 4 /* This is named 'K' in the HP paper */
@@ -84,6 +87,8 @@ tid(void) {
void
isc_hp_init(int max_threads) {
+ syslog(LOG_ERR|LOG_CONS, "setting maxthreads to %d from %d", max_threads,
+ isc__hp_max_threads);
isc__hp_max_threads = max_threads;
isc__hp_max_retired = max_threads * HP_MAX_HPS;
}
@@ -175,15 +180,25 @@ isc_hp_protect_release(isc_hp_t *hp, int
void
isc_hp_retire(isc_hp_t *hp, uintptr_t ptr) {
- hp->rl[tid()]->list[hp->rl[tid()]->size++] = ptr;
- INSIST(hp->rl[tid()]->size < isc__hp_max_retired);
+ int xtid = tid();
+ if (xtid < 0 || xtid >= isc__hp_max_threads) {
+ syslog(LOG_ERR|LOG_CONS, "bad thread id %d >= %d", xtid,
+ isc__hp_max_threads);
+ return;
+ }
+ if (hp->rl[xtid] == NULL) {
+ syslog(LOG_ERR|LOG_CONS, "null rl for thread id %d", xtid);
+ abort();
+ }
+ hp->rl[xtid]->list[hp->rl[xtid]->size++] = ptr;
+ INSIST(hp->rl[xtid]->size < isc__hp_max_retired);
- if (hp->rl[tid()]->size < HP_THRESHOLD_R) {
+ if (hp->rl[xtid]->size < HP_THRESHOLD_R) {
return;
}
- for (int iret = 0; iret < hp->rl[tid()]->size; iret++) {
- uintptr_t obj = hp->rl[tid()]->list[iret];
+ for (int iret = 0; iret < hp->rl[xtid]->size; iret++) {
+ uintptr_t obj = hp->rl[xtid]->list[iret];
bool can_delete = true;
for (int itid = 0; itid < isc__hp_max_threads && can_delete;
itid++) {
@@ -196,11 +211,11 @@ isc_hp_retire(isc_hp_t *hp, uintptr_t pt
}
if (can_delete) {
- size_t bytes = (hp->rl[tid()]->size - iret) *
- sizeof(hp->rl[tid()]->list[0]);
- memmove(&hp->rl[tid()]->list[iret],
- &hp->rl[tid()]->list[iret + 1], bytes);
- hp->rl[tid()]->size--;
+ size_t bytes = (hp->rl[xtid]->size - iret) *
+ sizeof(hp->rl[xtid]->list[0]);
+ memmove(&hp->rl[xtid]->list[iret],
+ &hp->rl[xtid]->list[iret + 1], bytes);
+ hp->rl[xtid]->size--;
hp->deletefunc((void *)obj);
}
}
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> On Nov 20, 2021, at 3:10 PM, greywolf@starwolf.com wrote:
>=20
>> Number: 56515
>> Category: bin
>> Synopsis: dhcpd dumps core after running a while (SIGSEGV)
>> Confidential: no
>> Severity: critical
>> Priority: medium
>> Responsible: bin-bug-people
>> State: open
>> Class: sw-bug
>> Submitter-Id: net
>> Arrival-Date: Sat Nov 20 20:10:00 +0000 2021
>> Originator: Greywolf
>> Release: NetBSD 9.99.92
>> Organization:
>> Environment:
> System: NetBSD deep-thought.sub-etha.starwolf.com 9.99.92 NetBSD =
9.99.92 (DEEP-THOUGHT) #0: Wed Nov 17 17:39:14 PST 2021 =
greywolf@eddie.starwolf.com:/sys/arch/amd64/compile/DEEP-THOUGHT amd64
> Architecture: x86_64
> Machine: amd64
> /usr/sbin/dhcpd:
> -lirs.18 =3D> /usr/lib/libirs.so.18
> -lblocklist.0 =3D> /usr/lib/libblocklist.so.0
> -lc.12 =3D> /usr/lib/libc.so.12
> -lpthread.1 =3D> /usr/lib/libpthread.so.1
> -lgssapi.11 =3D> /usr/lib/libgssapi.so.11
> -lkrb5.27 =3D> /usr/lib/libkrb5.so.27
> -lhx509.6 =3D> /usr/lib/libhx509.so.6
> -lasn1.10 =3D> /usr/lib/libasn1.so.10
> -lcom_err.8 =3D> /usr/lib/libcom_err.so.8
> -lroken.20 =3D> /usr/lib/libroken.so.20
> -lutil.7 =3D> /usr/lib/libutil.so.7
> -lcrypt.1 =3D> /usr/lib/libcrypt.so.1
> -lcrypto.14 =3D> /usr/lib/libcrypto.so.14
> -lwind.1 =3D> /usr/lib/libwind.so.1
> -lheimbase.2 =3D> /usr/lib/libheimbase.so.2
> -lsqlite3.1 =3D> /usr/lib/libsqlite3.so.1
> -lm.0 =3D> /usr/lib/libm.so.0
> -lheimntlm.5 =3D> /usr/lib/libheimntlm.so.5
> -lisccfg.18 =3D> /usr/lib/libisccfg.so.18
> -lisc.18 =3D> /usr/lib/libisc.so.18
> -lz.1 =3D> /usr/lib/libz.so.1
> -ldns.18 =3D> /usr/lib/libdns.so.18
> -lexecinfo.0 =3D> /usr/lib/libexecinfo.so.0
> -lelf.2 =3D> /usr/lib/libelf.so.2
> -lkvm.6 =3D> /usr/lib/libkvm.so.6
> -lssl.14 =3D> /usr/lib/libssl.so.14
> -lipsec.3 =3D> /usr/lib/libipsec.so.3
> /usr/sbin/dhcpd:
> $NetBSD: crt0.S,v 1.4 2018/11/26 17:37:46 joerg Exp $
> $NetBSD: crt0-common.c,v 1.24 2021/04/20 21:42:31 christos Exp $
> $NetBSD: crti.S,v 1.1 2010/08/07 18:01:35 joerg Exp $
> $NetBSD: crtbegin.S,v 1.2 2010/11/30 18:37:59 joerg Exp $
> $NetBSD: dhcpd.c,v 1.4 2021/05/26 22:52:32 christos Exp $
> $NetBSD: dhcp.c,v 1.3 2020/08/03 21:10:57 christos Exp $
> $NetBSD: dhcpv6.c,v 1.4 2020/08/03 21:10:57 christos Exp $
> $NetBSD: bootp.c,v 1.2 2018/04/07 22:37:30 christos Exp $
> $NetBSD: confpars.c,v 1.3 2020/08/03 21:10:57 christos Exp $
> $NetBSD: db.c,v 1.2 2018/04/07 22:37:30 christos Exp $
> $NetBSD: class.c,v 1.3 2020/08/03 21:10:57 christos Exp $
> $NetBSD: failover.c,v 1.3 2020/08/03 21:10:57 christos Exp $
> $NetBSD: omapi.c,v 1.2 2018/04/07 22:37:30 christos Exp $
> $NetBSD: mdb.c,v 1.3 2020/08/03 21:10:57 christos Exp $
> $NetBSD: mdb6.c,v 1.5 2020/08/03 21:10:57 christos Exp $
> $NetBSD: stables.c,v 1.3 2020/08/03 21:10:57 christos Exp $
> $NetBSD: salloc.c,v 1.2 2018/04/07 22:37:30 christos Exp $
> $NetBSD: ddns.c,v 1.3 2020/08/03 21:10:57 christos Exp $
> $NetBSD: dhcpleasequery.c,v 1.3 2020/08/03 21:10:57 christos Exp $
> $NetBSD: dispatch.c,v 1.2 2018/04/07 22:37:29 christos Exp $
> $NetBSD: icmp.c,v 1.2 2018/04/07 22:37:29 christos Exp $
> $NetBSD: comapi.c,v 1.2 2018/04/07 22:37:29 christos Exp $
> $NetBSD: memory.c,v 1.2 2018/04/07 22:37:29 christos Exp $
> $NetBSD: discover.c,v 1.4 2020/08/03 21:10:56 christos Exp $
> $NetBSD: execute.c,v 1.3 2020/08/03 21:10:56 christos Exp $
> $NetBSD: dns.c,v 1.4 2020/08/03 21:10:56 christos Exp $
> $NetBSD: alloc.c,v 1.2 2018/04/07 22:37:29 christos Exp $
> $NetBSD: tables.c,v 1.3 2020/08/03 21:10:56 christos Exp $
> $NetBSD: tree.c,v 1.2 2018/04/07 22:37:29 christos Exp $
> $NetBSD: options.c,v 1.5 2021/01/13 17:01:31 christos Exp $
> $NetBSD: ctrace.c,v 1.2 2018/04/07 22:37:29 christos Exp $
> $NetBSD: socket.c,v 1.4 2020/08/03 21:10:56 christos Exp $
> $NetBSD: bpf.c,v 1.4 2020/05/15 12:31:03 manu Exp $
> $NetBSD: print.c,v 1.2 2018/04/07 22:37:29 christos Exp $
> $NetBSD: packet.c,v 1.3 2020/05/15 12:31:03 manu Exp $
> $NetBSD: ethernet.c,v 1.2 2018/04/07 22:37:29 christos Exp $
> $NetBSD: conflex.c,v 1.2 2018/04/07 22:37:29 christos Exp $
> $NetBSD: parse.c,v 1.4 2021/05/26 22:52:31 christos Exp $
> $NetBSD: ns_name.c,v 1.3 2020/08/03 21:10:56 christos Exp $
> $NetBSD: inet.c,v 1.2 2018/04/07 22:37:29 christos Exp $
> $NetBSD: convert.c,v 1.2 2018/04/07 22:37:30 christos Exp $
> $NetBSD: auth.c,v 1.2 2018/04/07 22:37:30 christos Exp $
> $NetBSD: handle.c,v 1.2 2018/04/07 22:37:30 christos Exp $
> $NetBSD: support.c,v 1.2 2018/04/07 22:37:30 christos Exp $
> $NetBSD: hash.c,v 1.2 2018/04/07 22:37:30 christos Exp $
> $NetBSD: protocol.c,v 1.2 2018/04/07 22:37:30 christos Exp $
> $NetBSD: generic.c,v 1.2 2018/04/07 22:37:30 christos Exp $
> $NetBSD: listener.c,v 1.2 2018/04/07 22:37:30 christos Exp $
> $NetBSD: connection.c,v 1.3 2019/01/10 17:41:47 christos Exp $
> $NetBSD: isclib.c,v 1.6 2021/08/19 11:50:56 christos Exp $
> $NetBSD: toisc.c,v 1.2 2018/04/07 22:37:30 christos Exp $
> $NetBSD: array.c,v 1.2 2018/04/07 22:37:30 christos Exp $
> $NetBSD: dispatch.c,v 1.4 2019/01/27 01:51:50 christos Exp $
> $NetBSD: result.c,v 1.3 2019/02/25 02:31:57 christos Exp $
> $NetBSD: buffer.c,v 1.4 2019/01/27 01:51:50 christos Exp $
> $NetBSD: trace.c,v 1.2 2018/04/07 22:37:30 christos Exp $
> $NetBSD: alloc.c,v 1.2 2018/04/07 22:37:30 christos Exp $
> $NetBSD: errwarn.c,v 1.4 2020/11/12 22:11:03 christos Exp $
> $NetBSD: message.c,v 1.2 2018/04/07 22:37:30 christos Exp $
> $NetBSD: crtend.S,v 1.1 2010/08/07 18:01:34 joerg Exp $
> $NetBSD: crtn.S,v 1.1 2010/08/07 18:01:35 joerg Exp $
>=20
> dhcpd.conf: (sanitized)
> # *** GLOBAL PARAMETERS ***
>=20
> default-lease-time 600;
> max-lease-time 7200;
>=20
> # If this DHCP server is the official DHCP server for the local
> # network, the authoritative directive should be uncommented.
> authoritative;
>=20
> # Dynamic DNS update scheme - must be set to "none", "interim" or =
"ad-hoc".
> ddns-update-style interim;
> #ddns-update-style none;
>=20
> # Use this to send dhcp log messages to a different log file (you also
> # have to hack syslog.conf to complete the redirection).
> log-facility daemon;
>=20
> zone internal.starwolf.com. {
> primary 172.31.250.11;
> }
>=20
> zone 250.31.172.in-addr.arpa. {
> primary 172.31.250.11;
> }
>=20
> subnet 172.31.250.0 netmask 255.255.254.0 {
> interface wm1;
> range 172.31.251.0 172.31.251.240;
> option domain-name-servers 172.31.250.11, 172.31.250.2, 8.8.8.8;
> option domain-name "internal.starwolf.com.";
> option routers 172.31.250.1;
>=20
> option broadcast-address 172.31.251.255;
> default-lease-time 600;
> max-lease-time 7200;
> allow client-updates;
>=20
> }
>=20
> host milliways {
> hardware ethernet C0:FF:EE:0D:EC:AF
> fixed-address 172.31.251.242;
> option domain-name-servers 192.168.60.2, 172.31.250.11, =
172.31.250.2;
> prepend domain-name "mywork.com ";
> option routers 172.31.250.1;
> }
>=20
> Termination backtrace:
> Program terminated with signal SIGSEGV, Segmentation fault.
> #0 0x0000764028c46076 in isc_hp_retire () from /usr/lib/libisc.so.18
> [Current thread is 1 (process 9295)]
>=20
>> Description:
> dhcpd runs for a couple hours and then gives up the ghost with
> a SIGSEGV
>> How-To-Repeat:
> /usr/bin/dhcpd -q; connect several devices.
>> Fix:
> Currently, once a minute, I am running a =
check-and-restart-if-needed
> script via cron to keep the dhcpd up and going.
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$NetBSD: query-full-pr,v 1.46 2020/01/03 16:35:01 leot Exp $
$NetBSD: gnats_config.sh,v 1.9 2014/08/02 14:16:04 spz Exp $
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