From nobody Thu Mar 20 17:41:58 2025 X-Original-To: freebsd-net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4ZJXw742ptz5r8qx; Thu, 20 Mar 2025 17:42:31 +0000 (UTC) (envelope-from freebsd@walstatt-de.de) Received: from smtp6.goneo.de (smtp6.goneo.de [85.220.129.31]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4ZJXw63G5Sz45pR; Thu, 20 Mar 2025 17:42:30 +0000 (UTC) (envelope-from freebsd@walstatt-de.de) Authentication-Results: mx1.freebsd.org; dkim=pass header.d=walstatt-de.de header.s=DKIM001 header.b=LayHzljG; dmarc=none; spf=pass (mx1.freebsd.org: domain of freebsd@walstatt-de.de designates 85.220.129.31 as permitted sender) smtp.mailfrom=freebsd@walstatt-de.de Received: from hub1.goneo.de (hub1.goneo.de [85.220.129.52]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by smtp6.goneo.de (Postfix) with ESMTPS id 0EEC5240EAD; Thu, 20 Mar 2025 18:42:28 +0100 (CET) Received: from hub1.goneo.de (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by hub1.goneo.de (Postfix) with ESMTPS id 530A42405D8; Thu, 20 Mar 2025 18:42:26 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=walstatt-de.de; s=DKIM001; t=1742492546; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type; bh=LKtB/O8Umo3Ae6k+vHKWWnty18z3WK89sE1SSrX5hY8=; b=LayHzljGfINLUEg95feFQXWA6MJA3/qiqzBQE+UMYMJNSLStFL4+fCdxe18C7k9hd021f+ 9U7tiwjwXULCl0S3lQDsIyp1FDQUst/tC2ZIwda62NOlYUBvKZFJjw6iz8nrPJjsKzzK7y 9vSiHC5xr5TGnCSd77MLElY1A91zzQOSarieLwhwdr4kOydazDZ7zv1OOqy+NI97rR8rlr KP4Ydq8X1MvF3+byng/xu5lwy3M9G+0hImaPwWz1xfXY8gU1C5F7ak6vDUlZE86T902OWI Ag9/NaH5tNnBqylrQcXBBz4rMmefytRHEcKu75b8Dou1cXmZsUBVz65MHq4QWA== Received: from thor.sb211.local (dynamic-2a02-3100-1902-b702-add3-147f-174d-ed38.310.pool.telefonica.de [IPv6:2a02:3100:1902:b702:add3:147f:174d:ed38]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by hub1.goneo.de (Postfix) with ESMTPSA id 22113240564; Thu, 20 Mar 2025 18:42:26 +0100 (CET) Date: Thu, 20 Mar 2025 18:41:58 +0100 From: A FreeBSD User To: FreeBSD CURRENT Cc: freebsd-net@freebsd.org Subject: rtadvd: rtadvctl -vv show : Segmentation fault - after lots of Link up and downs (ISP) Message-ID: <20250320184143.72723d05@thor.sb211.local> List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/8_mFkvLRmZ/WPMk0FYZUY5w"; protocol="application/pgp-signature"; micalg=pgp-sha512 X-Rspamd-UID: cacbc1 X-Rspamd-UID: 9c3765 X-Spamd-Result: default: False [-6.70 / 15.00]; SIGNED_PGP(-2.00)[]; RBL_SENDERSCORE_REPUT_9(-1.00)[85.220.129.31:from]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-0.999]; NEURAL_HAM_SHORT(-1.00)[-0.998]; R_SPF_ALLOW(-0.20)[+ip4:85.220.129.0/25]; MIME_GOOD(-0.20)[multipart/signed,text/plain]; R_DKIM_ALLOW(-0.20)[walstatt-de.de:s=DKIM001]; RCVD_IN_DNSWL_LOW(-0.10)[85.220.129.31:from]; ASN(0.00)[asn:25394, ipnet:85.220.128.0/17, country:DE]; TO_DN_SOME(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; MISSING_XM_UA(0.00)[]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCVD_TLS_ALL(0.00)[]; RCPT_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; DMARC_NA(0.00)[walstatt-de.de]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MLMMJ_DEST(0.00)[freebsd-current@freebsd.org,freebsd-net@freebsd.org]; RCVD_COUNT_THREE(0.00)[3]; DKIM_TRACE(0.00)[walstatt-de.de:+] X-Rspamd-Queue-Id: 4ZJXw63G5Sz45pR X-Spamd-Bar: ------ --Sig_/8_mFkvLRmZ/WPMk0FYZUY5w Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hello, when there are often changes of the IPv6 prefix and rtadvd is running, the = command rtadvctl -vv show quits with a "Segmentation fault error" after the first vlan interface show= n, not showing any subsequent vlan NIC. Prefix delegation is corrupted and so the IPv6 network= behind the router. I have to restart rtadvd to mitigate this problem. I run an PCengine APU2 with three physical NICs, the interior NIC has up to= 10 vlan configured. The problem can easily be reproduced by restarting mpd5 several times (I wa= s configuring and coding a link-up script and had to restart mpd5 2-3 times a minute over an = hour or so). Without the restart of rtadvd, the service remains dead and inoperative. The APU2 is running FreeBSD 14-STABLE: FreeBSD 14.2-STABLE #23 n270736-94f414086075: Tue Mar 11 20:52:07 CET 2025 Kind regards, oh =20 --=20 A FreeBSD user --Sig_/8_mFkvLRmZ/WPMk0FYZUY5w Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iHUEARYKAB0WIQRQheDybVktG5eW/1Kxzvs8OqokrwUCZ9xTgQAKCRCxzvs8Oqok r8neAQCheqdmEVQpigpGC11S+OB0Q4hcgtdFNXNaMwMMLzN7GQD8C0PVsOM1I2UM rs/s/6hg8rVeEjt+NG0dR4veKIXTUwA= =eToK -----END PGP SIGNATURE----- --Sig_/8_mFkvLRmZ/WPMk0FYZUY5w--