From owner-freebsd-current@freebsd.org Mon Jun 5 15:21:13 2017 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 10CC1AFB85C for ; Mon, 5 Jun 2017 15:21:13 +0000 (UTC) (envelope-from bdrewery@FreeBSD.org) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id DECFA83875 for ; Mon, 5 Jun 2017 15:21:12 +0000 (UTC) (envelope-from bdrewery@FreeBSD.org) Received: by mailman.ysv.freebsd.org (Postfix) id DE28EAFB85A; Mon, 5 Jun 2017 15:21:12 +0000 (UTC) Delivered-To: current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id DDCDFAFB859 for ; Mon, 5 Jun 2017 15:21:12 +0000 (UTC) (envelope-from bdrewery@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2610:1c1:1:6074::16:84]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "freefall.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id AD5E183874; Mon, 5 Jun 2017 15:21:12 +0000 (UTC) (envelope-from bdrewery@FreeBSD.org) Received: from mail.xzibition.com (unknown [127.0.1.132]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by freefall.freebsd.org (Postfix) with ESMTPS id DB38A3761; Mon, 5 Jun 2017 15:21:11 +0000 (UTC) (envelope-from bdrewery@FreeBSD.org) Received: from mail.xzibition.com (localhost [172.31.3.2]) by mail.xzibition.com (Postfix) with ESMTP id 970F91C9D; Mon, 5 Jun 2017 15:21:10 +0000 (UTC) X-Virus-Scanned: amavisd-new at mail.xzibition.com Received: from mail.xzibition.com ([172.31.3.2]) by mail.xzibition.com (mail.xzibition.com [172.31.3.2]) (amavisd-new, port 10026) with LMTP id sRZ57277xoi5; Mon, 5 Jun 2017 15:21:01 +0000 (UTC) Subject: Re: old syslog (jail) and new kernel = 100% CPU DKIM-Filter: OpenDKIM Filter v2.9.2 mail.xzibition.com 8A7411C98 To: Alexander Leidinger Cc: current@freebsd.org References: <20170604140924.Horde.oGvD2didLbdx2PCsGHE3gDi@webmail.leidinger.net> <20170605113412.Horde.RZna3Dra3jMHzoVyzHFOKJR@webmail.leidinger.net> From: Bryan Drewery Openpgp: id=F9173CB2C3AAEA7A5C8A1F0935D771BB6E4697CF; url=http://www.shatow.net/bryan/bryan2.asc Organization: FreeBSD Message-ID: Date: Mon, 5 Jun 2017 08:20:47 -0700 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.1.1 MIME-Version: 1.0 In-Reply-To: <20170605113412.Horde.RZna3Dra3jMHzoVyzHFOKJR@webmail.leidinger.net> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="SP64G9wIhf6PrHHQwVATuCaMUlPokwHeL" X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 05 Jun 2017 15:21:13 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --SP64G9wIhf6PrHHQwVATuCaMUlPokwHeL Content-Type: multipart/mixed; boundary="Gr62bVioEttHrT1E6krMgGITWVhfwDTFE"; protected-headers="v1" From: Bryan Drewery To: Alexander Leidinger Cc: current@freebsd.org Message-ID: Subject: Re: old syslog (jail) and new kernel = 100% CPU References: <20170604140924.Horde.oGvD2didLbdx2PCsGHE3gDi@webmail.leidinger.net> <20170605113412.Horde.RZna3Dra3jMHzoVyzHFOKJR@webmail.leidinger.net> In-Reply-To: <20170605113412.Horde.RZna3Dra3jMHzoVyzHFOKJR@webmail.leidinger.net> --Gr62bVioEttHrT1E6krMgGITWVhfwDTFE Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 6/5/2017 2:34 AM, Alexander Leidinger wrote: >=20 > Quoting Bryan Drewery (from Sun, 4 Jun 2017 14:38:07= > -0700): >=20 >> On 6/4/17 5:09 AM, Alexander Leidinger wrote: >>> Hi, >>> >>> new kernel (surely r318877 and later) and old syslog in a jail =3D NO= K. >>> >> >> What branch and revision is the syslogd? From my understanding the bug= >> exists in a head version of syslogd only, maybe MFC'd to stable/11, bu= t >> not released. If it was MFC'd we need to fix it before the 11.1 relea= se. >=20 > This was a syslogd from head for sure. >=20 > So the issue was that for an intermediate period of time a bug was in > syslogd in head which was causing this, and if I would have upgraded a > system were the jail would have been head from before the or after the > bug, then I wouldn't have noticed it? >=20 Yes, that's my understanding. So it's ultimately a non-issue for releases since it is just a temporary issue on head. --=20 Regards, Bryan Drewery --Gr62bVioEttHrT1E6krMgGITWVhfwDTFE-- --SP64G9wIhf6PrHHQwVATuCaMUlPokwHeL Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAEBAgAGBQJZNXbPAAoJEDXXcbtuRpfPb+gH/i7crE/w86MoZnm5dz0em3xm tzqkIA+velc8EN8ECV6XHxcp3FZpbUWyug9oIKFiqHovoHH1eLqfHuUKbNwKd4Zf zi2IjsOuOjq8TK4wZBWwP04k/i5br3h3RPnkNjcMJS0ctZbl8Y5Ox4wZOFvSO6BP awnqvsbkID6EjBI3hgliRG+noQYaxI5h5KqFQjqLA2dbc55yEdoA1ru8w+D5vgBT dfLdKsQ31QUjhIPbhzWGsBQ4ay9O0a5458csHWCyOcSSVWcTKGONzMgLJkrPtTDk eczgx+1yLuqQ+Uf1RcFBu3aoqAgLZjomUjducikGCq3XFpBk6VT/hRvSBQFtYYw= =rpGq -----END PGP SIGNATURE----- --SP64G9wIhf6PrHHQwVATuCaMUlPokwHeL--