From owner-freebsd-stable@freebsd.org Wed Nov 9 18:28:40 2016 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 99936C372A4 for ; Wed, 9 Nov 2016 18:28:40 +0000 (UTC) (envelope-from thierry@pompo.net) Received: from erza.lautre.net (erza.lautre.net [80.67.160.89]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "*.lautre.net", Issuer "COMODO RSA Domain Validation Secure Server CA" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 5E7766C7 for ; Wed, 9 Nov 2016 18:28:39 +0000 (UTC) (envelope-from thierry@pompo.net) Received: from graf.pompo.net (graf.pompo.net [78.225.128.39]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by erza.lautre.net (Postfix) with ESMTPSA id 492AAEAF6B; Wed, 9 Nov 2016 19:23:14 +0100 (CET) Received: by graf.pompo.net (Postfix, from userid 1001) id 1C0C24892B5; Wed, 9 Nov 2016 19:23:15 +0100 (CET) Date: Wed, 9 Nov 2016 19:23:15 +0100 From: Thierry Thomas To: Henri Hennebert Cc: freebsd-stable@freebsd.org Subject: Re: Freebsd 11.0 RELEASE - ZFS deadlock Message-ID: <20161109182315.GK794@graf.pompo.net> Mail-Followup-To: Henri Hennebert , freebsd-stable@freebsd.org References: <0c223160-b76f-c635-bb15-4a068ba7efe7@restart.be> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="AhhlLboLdkugWU4S" Content-Disposition: inline In-Reply-To: X-Operating-System: FreeBSD 11.0-STABLE amd64 Organization: Kabbale Eros X-Face: (hRbQnK~Pt7$ct`!fupO(`y_WL4^-Iwn4@ly-.,[4xC4xc; y=\ipKMNm<1J>lv@PP~7Z<.t KjAnXLs: X-PGP: 0xF1C516B3C8359753 User-Agent: Mutt/1.6.1 (2016-04-27) 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: Wed, 09 Nov 2016 18:28:40 -0000 --AhhlLboLdkugWU4S Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Le mer. 9 nov. 16 =E0 15:03:49 +0100, Henri Hennebert =E9crivait=A0: > [root@avoriaz ~]# procstat -kk 85656 > PID TID COMM TDNAME KSTACK > 85656 101112 find - mi_switch+0xd2=20 > sleepq_wait+0x3a sleeplk+0x1b4 __lockmgr_args+0x356 vop_stdlock+0x3c=20 > VOP_LOCK1_APV+0x8d _vn_lock+0x43 vget+0x47 cache_lookup+0x679=20 > vfs_cache_lookup+0xac VOP_LOOKUP_APV+0x87 lookup+0x591 namei+0x572=20 > kern_statat+0xa8 sys_fstatat+0x2c amd64_syscall+0x4ce Xfast_syscall+0xfb It looks similar to the problem reportes in PR 205163 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D205163 May be causes by too small values for some vfs.zfs.arc*. Could you please list sysctl for vfs.zfs.arc_max and others? Regards, --=20 Th. Thomas. --AhhlLboLdkugWU4S Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQJ8BAEBCgBmBQJYI2mSXxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXRFNTM2QkU4NTM4NTM5OUQwMEI2RkFBNzZG MUM1MTZCM0M4MzU5NzUzAAoJEPHFFrPINZdTgogP/RbHMna+diDaRKTaxsY1S0ms skBEih1ldjDi9FlF0unN44qFNXyACoAC8VGxAK8+WePDPKNWw+LOXuZqbBq7GnrL nU1WZ5vSgxxAllsPM74y0DsyY5b2vWVGLfrVViq4YptdNOldYogCspnxSWuTFSJq gnczeCNzWvT+YE5RyT/vcrQ9IoiycRoUKRZqaTF4myfPxhgmmU1LOXcmUmxBNRmf c9SeFSWxNq8I7QM/eXNV1uAauyKCa5mIvrAzQzlc912i0icr63OjRVJ0VUMadgXp avu7O9dc6JpOhITeMAe3FfCM4iBWEFRECcqrVUx1snsbsrjbHmqZJ3aFm7+EvnXB hSblO5J2MBnvPiCMMj6o5XWW2k6VA4RH4YWc9OVqQAmlC6Mc9Z40v2BMygvkO4V2 wCPQHuYLnbFx2A5GnvVIcDpQ9a68o6qO+ZyuAxOLTCkNuKv4+6Y+ExUshQYfgV/F wqCZnuH++oiVUUs+Ghao9T0gwJvtuSDeZzPcsmBsW+YM7+fHB7m4fkiDE8b1l/bF lNOlVP91rTPAxNL+Afvwc/WMWG1FPyhSlkdi2PE9ioOzbPVHzqxV9nt4MfMuLwVX 4xXEc1wAkSmrtp5TKmVL8kTcq87TPYXOonp9nhz/bvVSP7Pv2dORFFZ51JnHF5gh y6oumHtO5gW7W4hpJAWB =JvyK -----END PGP SIGNATURE----- --AhhlLboLdkugWU4S--