Date: Thu, 6 Aug 2015 04:17:23 +0200 From: Pawel Jakub Dawidek <pjd@FreeBSD.org> To: Andriy Gapon <avg@FreeBSD.org> Cc: "K. Macy" <kmacy@FreeBSD.org>, "src-committers@freebsd.org" <src-committers@FreeBSD.org>, "svn-src-all@freebsd.org" <svn-src-all@FreeBSD.org>, "svn-src-head@freebsd.org" <svn-src-head@FreeBSD.org>, Xin Li <delphij@delphij.net> Subject: Re: svn commit: r285021 - head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs Message-ID: <20150806021723.GB72832@garage.freebsd.pl> In-Reply-To: <55BF6A84.1040808@FreeBSD.org> References: <201507020832.t628W3WJ002944@repo.freebsd.org> <CAHM0Q_OcLqT_VuxmL4tFrDyEhAEprm_ivP8j_mrow6ZG1FLcsg@mail.gmail.com> <55BF6A84.1040808@FreeBSD.org>
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--gj572EiMnwbLXET9 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Aug 03, 2015 at 04:20:04PM +0300, Andriy Gapon wrote: > On 30/07/2015 10:24, K. Macy wrote: > > Just FYI this change introduces a deadlock with with the > > spa_namespace_lock. Mount will be holding this lock while trying to > > acquire the spa_namespace_lock. zfskern on the other hand holds the > > spa_namespace_lock when calling zfs_freebsd_access which in turn > > tries to acquire the teardown lock. >=20 > I missed the fact that zpool.cache file is being written with spa_namespa= ce_lock > held. > I'll try to either resolve the problem in the next day or I will revert t= he change. FYI, I'm hitting this deadlock on my laptop. Reverting the change fixes the problem. --=20 Pawel Jakub Dawidek http://www.wheelsystems.com FreeBSD committer http://www.FreeBSD.org Am I Evil? Yes, I Am! http://mobter.com --gj572EiMnwbLXET9 Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCgAGBQJVwsOzAAoJEJVLhSuxKFt1+SIQAL4+NbsCTih0anW5tSCm2rVC oQCgD0nUcG4GW6Wxu/qI0yIpBKRzjo7jOMAmHqb90URl6XodJYqCXJe4kI+swkEa UzQD8PE0bWXCErxhnpneVTbuIyOQ3SodUeYedV7w00XJo+/3MJVzylUsxIgUQmGU shne+El8bwP5RMEerxwNQNcRiEydtIS2BliSQE8mKWxRy+D4ORLJ2jjGXXf88l1g phM1Ul+fGuGPg+EPhaRybblOqItCZJwuwr53QP+SV/6nncfz6eoYXDRzbF0AUoXL Xu52qzfjR0uMy/1ZeX/B0cvX4Vbt6rnom+9aVcHCXz5hwLWOhRbwpnm0uQRFamHa QXNWzADikJQjJyaD2DWreD355lTwywEIHeYsSIYpAlwQi61OTHrvty4U1iCUtLf6 SdPv6McI/GHQ9q8ID6noh6IWAI8c6sat+IlFwT/JSehJdfQQrMOIpVUj2tl7urjX GNs/KIg6PocELbivLwPD6DsB7cbE5gPJPDBvFjM+prvyFvXo8Xm3DCBHPLreoBzI /hZ/4EZNkLeHAG5wLLp1kqKLOTPKgERVaYukMedqQLO0LSk7prX7KQJaxo2QrIxH UXvOOBKnUVVJCisFH8R3rT8pDiPYfNbowAxuJJeFJAHUrvyw5MXB15qw/5T/q74k 5CLuq7HhxP6UzclB//qj =Sfu3 -----END PGP SIGNATURE----- --gj572EiMnwbLXET9--
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