From owner-freebsd-stable@freebsd.org Mon Mar 5 12:20:47 2018 Return-Path: Delivered-To: freebsd-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 6E4D8F29E0F for ; Mon, 5 Mar 2018 12:20:47 +0000 (UTC) (envelope-from eugen@grosbein.net) Received: from hz.grosbein.net (hz.grosbein.net [78.47.246.247]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hz.grosbein.net", Issuer "hz.grosbein.net" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id E693C76A6B for ; Mon, 5 Mar 2018 12:20:46 +0000 (UTC) (envelope-from eugen@grosbein.net) Received: from eg.sd.rdtc.ru (root@eg.sd.rdtc.ru [62.231.161.221] (may be forged)) by hz.grosbein.net (8.15.2/8.15.2) with ESMTPS id w25CKdT8022723 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for ; Mon, 5 Mar 2018 13:20:40 +0100 (CET) (envelope-from eugen@grosbein.net) X-Envelope-From: eugen@grosbein.net X-Envelope-To: Received: from [10.58.0.4] ([10.58.0.4]) by eg.sd.rdtc.ru (8.15.2/8.15.2) with ESMTPS id w25CKa8k019557 (version=TLSv1.2 cipher=DHE-RSA-AES128-SHA bits=128 verify=NOT) for ; Mon, 5 Mar 2018 19:20:36 +0700 (+07) (envelope-from eugen@grosbein.net) Subject: Re: zfs problems after rebuilding system [SOLVED] To: freebsd-stable@freebsd.org References: <21c64a2d-b9f9-24c8-88ec-ff1210891f60@zyxst.net> <1dc2b8ef-2914-8182-e2b0-ac637e6b2095@zyxst.net> <65372449-53f1-8002-981a-e20f4a592e26@zyxst.net> <5CFC89E9-57BE-4CB7-9C55-0D3CCF1E8D3D@FreeBSD.org> <20180303234236.M3811@besplex.bde.org> From: Eugene Grosbein Message-ID: <5A9D3601.6090009@grosbein.net> Date: Mon, 5 Mar 2018 19:20:17 +0700 User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.7.2 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="J0Ax8cRQEBLRAjlqIhupCTO98S4pDURs7" X-Spam-Status: No, score=2.2 required=5.0 tests=BAYES_00, LOCAL_FROM, RDNS_NONE autolearn=no autolearn_force=no version=3.4.1 X-Spam-Report: * -2.3 BAYES_00 BODY: Bayes spam probability is 0 to 1% * [score: 0.0000] * 2.6 LOCAL_FROM From my domains * 1.9 RDNS_NONE Delivered to internal network by a host with no rDNS X-Spam-Level: ** X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on hz.grosbein.net X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 05 Mar 2018 12:20:47 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --J0Ax8cRQEBLRAjlqIhupCTO98S4pDURs7 Content-Type: multipart/mixed; boundary="g91FsifVlAEaOtP0Ue2cJGM8bHXvKr1h2"; protected-headers="v1" From: Eugene Grosbein To: freebsd-stable@freebsd.org Message-ID: <5A9D3601.6090009@grosbein.net> Subject: Re: zfs problems after rebuilding system [SOLVED] References: <21c64a2d-b9f9-24c8-88ec-ff1210891f60@zyxst.net> <1dc2b8ef-2914-8182-e2b0-ac637e6b2095@zyxst.net> <65372449-53f1-8002-981a-e20f4a592e26@zyxst.net> <5CFC89E9-57BE-4CB7-9C55-0D3CCF1E8D3D@FreeBSD.org> <20180303234236.M3811@besplex.bde.org> In-Reply-To: --g91FsifVlAEaOtP0Ue2cJGM8bHXvKr1h2 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable 05.03.2018 19:10, Dimitry Andric wrote: >> When no boot drive is detected early enough, the kernel goes to the >> mountroot prompt. That seems to hold a Giant lock which inhibits >> further progress being made. Sometimes progress can be made by trying= >> to mount unmountable partitions on other drives, but this usually goes= >> too fast, especially if the USB drive often times out. >=20 > What I would like to know, is why our USB stack has such timeout issues= > at all. When I boot Linux on the same type of hardware, I never see US= B > timeouts. They must be doing something right, or maybe they just don't= > bother checking some status bits that we are very strict about? This is heavily hardware-dependent. You may have no issues with some software+hardware combination and long timeouts with same software but different hardware. --g91FsifVlAEaOtP0Ue2cJGM8bHXvKr1h2-- --J0Ax8cRQEBLRAjlqIhupCTO98S4pDURs7 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 iQEcBAEBAgAGBQJanTYOAAoJELDNGvImmIsoAEwIALCsXc7vsJsbwAfFmFdk3I3y +PvC735qgjgcC3YIs+zLEh6U1Yi4ZyI+B74ckImmNfxc/jQP36ch2b8wlF/+0o3u RorJqLmUvXhE1eXq/6acHOqKKPd3WZ6cdyZpFlkaGBCNmq3jO9FLK0NR45tlPYD1 ETYSF2tGxXLCq1Ebmjf0Eq+UuFo37lIU6Aql3Ohrb000OZvnRgssul5s5gXpUYSF OYDsrQzAxSO747cfGZzFjtA26CVH2NDUIydywZNG+uB3BlhTPzWET/3qR6OYzudp FYEg3QKca5TJCe5Bg9UTHldvrpl2LWBweinYcJ+a9JVwllwSZYkprAjrEql5mUg= =F5Tm -----END PGP SIGNATURE----- --J0Ax8cRQEBLRAjlqIhupCTO98S4pDURs7--