From owner-freebsd-stable@FreeBSD.ORG Thu Sep 12 18:49:05 2013 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id C57ADEB0 for ; Thu, 12 Sep 2013 18:49:05 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 360E82A84 for ; Thu, 12 Sep 2013 18:49:05 +0000 (UTC) Received: from tom.home (kostik@localhost [127.0.0.1]) by kib.kiev.ua (8.14.7/8.14.7) with ESMTP id r8CIn0ea090417; Thu, 12 Sep 2013 21:49:00 +0300 (EEST) (envelope-from kostikbel@gmail.com) DKIM-Filter: OpenDKIM Filter v2.8.3 kib.kiev.ua r8CIn0ea090417 Received: (from kostik@localhost) by tom.home (8.14.7/8.14.7/Submit) id r8CIn05r090416; Thu, 12 Sep 2013 21:49:00 +0300 (EEST) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com using -f Date: Thu, 12 Sep 2013 21:49:00 +0300 From: Konstantin Belousov To: Jimmy Olgeni Subject: Re: Possible kqueue related issue on STABLE/RC. Message-ID: <20130912184900.GD41229@kib.kiev.ua> References: <20130911171913.GG41229@kib.kiev.ua> <20130912073643.GM41229@kib.kiev.ua> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="plHD7dANMMm1ZgTj" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Spam-Status: No, score=-2.0 required=5.0 tests=ALL_TRUSTED,BAYES_00, DKIM_ADSP_CUSTOM_MED,FREEMAIL_FROM,NML_ADSP_CUSTOM_MED autolearn=no version=3.3.2 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on tom.home Cc: freebsd-stable@freebsd.org X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.14 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, 12 Sep 2013 18:49:05 -0000 --plHD7dANMMm1ZgTj Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Sep 12, 2013 at 08:28:48PM +0200, Jimmy Olgeni wrote: >=20 > On Thu, 12 Sep 2013, Konstantin Belousov wrote: >=20 > > Might be, your issue is that some filesystems do not care about proper > > locking mode for the fifos. UFS carefully disables shared locking for > > VFIFO, but it seems ZFS is not. I can propose the following band-aid, > > which could help you. >=20 > This certainly seems to improve things. I have been running builds > for the past couple of hours without any critical problem. Ok, so it is ZFS indeed. I think I will commit the band-aid to head shortly. >=20 > I spotted a few LORs but nothing bad happened so far: >=20 > http://olgeni.olgeni.com/~olgeni/dmesg-2013-09-12 Out of curiousity, please look up the line for vm_object_terminate+0x1d8. >=20 > If it keeps working this way I hope there's still some time to fit it=20 > into an -RC. For 10.0 yes, 9.2 is sealed (hopefully). --plHD7dANMMm1ZgTj Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.21 (FreeBSD) iQIcBAEBAgAGBQJSMgybAAoJEJDCuSvBvK1BMbcP/0pEDgA7t8BHsR+ozvfBZMUA zo9egoWPdug/LPndkppPZDIGjr2O1XSelY647sfD9YGAFP2cMZel2GLj+zFlUr1h UB2IZ5gDi7GzVRflFDb3fzb+BIrMttvS/Dl2GvG6/Y11h/LG8KIU6QemVkiAJJFe PEo18k7ODOt1z+ZXYWG0B2cCNLSPqRTIZEmxf6wd5mDE8aWh3yL166atRrvbryh2 zr00gmuEgGvPJsmVyIBkTOEyOjZm9FgZVBA8gG+JLTLzkETZTCEnNKqHM4SwBSbj 84YVPfHv6xq8OPmhfZuDjBHe36fWX/N7Nv2By7N16Opdb0O8ZCDMfxQcL24o7/xH UJDZI21/ocAhQuZevBZEC1tI6k8uzfYeu4TWbK+BqmI3arzXT38Aw9GdOoNk8Rhn AGQeoT+9Jc+mLiKH2rrtoDF/IL2KsqcyVB80pWomXcFy+6LGHAg0GoXoHQ49smrn vCsfszPaLFAerjGgLKNlA9IC2zUVpZFXif314G631UoWJCnPkZLg9fMG4zCUbzI9 rKXBuYM8blvwLGHWr5nmVlAY5XW6x3uczYD3CycLBpAw5/UrGKlJ3dCVyoi5KvLN 1tsq/TYGt8vX1Mdu8Ww0cHH/2ddtF40PljUSy7SKO8Zl6hdTth7BYx+DePk0hRiS xadXpCWfSepqlq6rHjXG =sX/B -----END PGP SIGNATURE----- --plHD7dANMMm1ZgTj--