From owner-svn-src-head@freebsd.org Mon Aug 15 09:24:47 2016 Return-Path: Delivered-To: svn-src-head@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 7342FBBAE1A; Mon, 15 Aug 2016 09:24:47 +0000 (UTC) (envelope-from bdrewery@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:1900:2254:206c::16:87]) by mx1.freebsd.org (Postfix) with ESMTP id 4CF081A28; Mon, 15 Aug 2016 09:24:47 +0000 (UTC) (envelope-from bdrewery@FreeBSD.org) Received: from mail.xzibition.com (localhost [IPv6:::1]) by freefall.freebsd.org (Postfix) with ESMTP id 3911118BA; Mon, 15 Aug 2016 09:24:47 +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 E5D951A848; Mon, 15 Aug 2016 09:24:46 +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 mOq0gK9RogEG; Mon, 15 Aug 2016 09:24:44 +0000 (UTC) Subject: Re: svn commit: r303019 - head/sys/geom DKIM-Filter: OpenDKIM Filter v2.9.2 mail.xzibition.com A961F1A843 To: Warner Losh , Ngie Cooper References: <201607190536.u6J5aLl7015268@repo.freebsd.org> <3277576.dFZ2EGo2Fh@overcee.wemm.org> <6198652.UmU69kS6Zt@overcee.wemm.org> <181fcc35-3a5d-043f-7dc4-7a01a53eebae@FreeBSD.org> <7372bf93-69a2-f5f5-1d07-204fd31f252c@FreeBSD.org> <20160812151117.GA52309@mithlond.kdm.org> <20160812151745.GA52527@mithlond.kdm.org> Cc: "Kenneth D. Merry" , "Andrey V. Elsukov" , Peter Wemm , "svn-src-all@freebsd.org" , "svn-src-head@freebsd.org" , src-committers From: Bryan Drewery Organization: FreeBSD Message-ID: <8c39aecd-d9b5-615e-455f-7f35c0616470@FreeBSD.org> Date: Mon, 15 Aug 2016 10:24:40 +0100 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.2.0 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="JKuIoU9JciIhoC98rqA0Ip4rxHc4R5f7F" X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 15 Aug 2016 09:24:47 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --JKuIoU9JciIhoC98rqA0Ip4rxHc4R5f7F Content-Type: multipart/mixed; boundary="xLPgIbPwd4waUXgBw3KtR912TJLqhBUkq" From: Bryan Drewery To: Warner Losh , Ngie Cooper Cc: "Kenneth D. Merry" , "Andrey V. Elsukov" , Peter Wemm , "svn-src-all@freebsd.org" , "svn-src-head@freebsd.org" , src-committers Message-ID: <8c39aecd-d9b5-615e-455f-7f35c0616470@FreeBSD.org> Subject: Re: svn commit: r303019 - head/sys/geom References: <201607190536.u6J5aLl7015268@repo.freebsd.org> <3277576.dFZ2EGo2Fh@overcee.wemm.org> <6198652.UmU69kS6Zt@overcee.wemm.org> <181fcc35-3a5d-043f-7dc4-7a01a53eebae@FreeBSD.org> <7372bf93-69a2-f5f5-1d07-204fd31f252c@FreeBSD.org> <20160812151117.GA52309@mithlond.kdm.org> <20160812151745.GA52527@mithlond.kdm.org> In-Reply-To: --xLPgIbPwd4waUXgBw3KtR912TJLqhBUkq Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 8/13/16 5:45 AM, Warner Losh wrote: > On Fri, Aug 12, 2016 at 3:06 PM, Ngie Cooper wr= ote: >> On Fri, Aug 12, 2016 at 8:23 AM, Bryan Drewery = wrote: >> >> ... >> >>> No, I was missing r303637. Hard to say if it is related... Andrey sa= ys >>> it's not. I haven't dived into it yet and it's so far only happened >>> once (out of a few tests). We do have various customizations but I'm= >>> inclined to think it's the stock code having problems. >> >> I hit it again on our internal vendor tree (what bdrewery was noting >> previously). I can provide some details about the panic if need be. >=20 > Ideally, you'd reproduce it on an unmodified -current. In a vendor tree= there's > many chances that something else is odd or off that would make it hard = for > the community to help. >=20 > Warner >=20 #4 0xffffffff80477b82 in g_resize_provider_event (arg=3D0xfffff80007f8d3a0, flag=3D) at /b/mnt/src/sys/geom/geom_subr.c:668 668 KASSERT(!(pp->flags & G_PF_WITHER), (gdb) p pp->mediasize $2 =3D 0 It seems that r303637 really does cover the panic we're hitting since the g_resize_provider_event was posted with mediasize=3D=3D0 which r30363= 7 avoids. --=20 Regards, Bryan Drewery --xLPgIbPwd4waUXgBw3KtR912TJLqhBUkq-- --JKuIoU9JciIhoC98rqA0Ip4rxHc4R5f7F Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQEcBAEBCgAGBQJXsYpZAAoJEDXXcbtuRpfPtzsIAM1iTnWgen4l5t6XEvtktGwg S23dRkhmnjyDzqDQJQNhL44wZEjeHdLGsGGg9CHIkkh7yf5p8YHJC3TTTk5cOm7E rGxnKt+EmbQ0O1g5IS9Qtp6RG4nWI0/+vOe542L+Sd4V+/xTxSNjSSck5lBbMczP XSktR6SPlLszqUgq1iQTd4CxkLrG7nCn7YqPTqvuxJ7yPkVJfj9LsOvW9f0Qnk5F URVVNJmX2UzNdEgYpYsv12lYRLLZ16Jj2LRogyt3b2V+i/rvV5R9s1wQHdY0EhyD XMkIMSBCeT1VSt51FOnKl2E4O4+4dR+mBK26I9qL/z7fSoprZmrrfBSPNzt1q7Y= =g8vW -----END PGP SIGNATURE----- --JKuIoU9JciIhoC98rqA0Ip4rxHc4R5f7F--