From owner-freebsd-stable@freebsd.org Thu Sep 21 23:34:27 2017 Return-Path: Delivered-To: freebsd-stable@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 AAE1CE00583 for ; Thu, 21 Sep 2017 23:34:27 +0000 (UTC) (envelope-from khellman@mcprogramming.com) Received: from smtp.webfaction.com (mail6.webfaction.com [31.170.123.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 77AE070407 for ; Thu, 21 Sep 2017 23:34:27 +0000 (UTC) (envelope-from khellman@mcprogramming.com) Received: from dane.localdomain (c-67-162-144-164.hsd1.co.comcast.net [67.162.144.164]) by smtp.webfaction.com (Postfix) with ESMTPSA id 8437860470659; Thu, 21 Sep 2017 23:34:15 +0000 (UTC) Received: from khellman by dane.localdomain with local (Exim 4.89 (FreeBSD)) (envelope-from ) id 1dvAz2-000116-AX; Thu, 21 Sep 2017 17:34:16 -0600 Date: Thu, 21 Sep 2017 17:34:16 -0600 From: Keith Hellman To: andrei@fazik.net.ua Cc: freebsd-stable@freebsd.org Subject: Re: CAM status: Command timeout Message-ID: <20170921233416.GC2994@dane.localdomain> Reply-To: khellman@mcprogramming.com References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="qtZFehHsKgwS5rPz" Content-Disposition: inline In-Reply-To: Jabber-ID: jabber@mcprogramming.com User-Agent: Mutt/1.8.3 (2017-05-23) Sender: Keith Hellman X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 21 Sep 2017 23:34:27 -0000 --qtZFehHsKgwS5rPz Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Sep 20, 2017 at 11:06:11PM +0000, freebsd-stable List wrote: > Sometimes it even can boot, but in few minutes will hang with same errors. >=20 > Hardware: Supermicro X8DTN+-F / 6xWD1502FYPS-02W3B0 /2xE5649 > HDDs connected to sata ports on baseboard. > If I add > hint.ata.2.mode=3DPIO4 > hint.ata.3.mode=3DPIO4 > hint.ata.4.mode=3DPIO4 > hint.ata.5.mode=3DPIO4 > to device.hints I'm able to boot but performance of IO becomes really dis= appointing. > Also, if I add something like "find / -name something" to zfs rc script, = than boots fine. Boots fine but hangs in a few minutes? Or all is good to go? Here is a thught: it could be the find / ... command is causing enough delay to let some hardware "settle down" and behave more reasonably. Can you replace the find cmd with an equivalent sleep(1) command of like duration and get the same results? =20 > If I roll back system to 11.0 all works fine again. Seemingly minor deltas in the system could have had the needed delay as an implicit part of the system... =20 Just my 2c --=20 Keith Hellman #include khellman@mcprogramming.com from disclaimer import standard khellman@mines.edu gpg key 9FCF40FD freenode.net as mrtuple "The First Python function ever written (takes place in the Garden of Eden)" Guido sayeth "I will write def foo():" "Hmm, I could use an import, or two", Satan said, in a whirl, "Why not write it in Perl?", and the second function ever written - def foo_you():=20 -- Python Limmerick Contest submission by cappy2112 http://groups-beta.google.com/group/comp.lang.python/browse_thread/threa= d/d7a780beaff2e88a/ --qtZFehHsKgwS5rPz Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iEYEARECAAYFAlnETHIACgkQeAsFcZ/PQP0rPQCgst4CiZXu24WMOYSXJe3GJ5Hk 1HAAnjC+q/qf4isJ5hz9oGq8o+ff+W/q =S+OF -----END PGP SIGNATURE----- --qtZFehHsKgwS5rPz--