From owner-freebsd-bugs@freebsd.org Sun Jul 22 10:15:51 2018 Return-Path: Delivered-To: freebsd-bugs@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 A91D91046DE6 for ; Sun, 22 Jul 2018 10:15:51 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id 424708FCCC for ; Sun, 22 Jul 2018 10:15:51 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.ysv.freebsd.org (Postfix) id 016341046DE0; Sun, 22 Jul 2018 10:15:51 +0000 (UTC) Delivered-To: bugs@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 E2E101046DDF for ; Sun, 22 Jul 2018 10:15:50 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.ysv.freebsd.org (mxrelay.ysv.freebsd.org [IPv6:2001:1900:2254:206a::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.ysv.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 7FB548FCCB for ; Sun, 22 Jul 2018 10:15:50 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.ysv.freebsd.org (Postfix) with ESMTPS id BF3C71C2AC for ; Sun, 22 Jul 2018 10:15:49 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id w6MAFnhF066700 for ; Sun, 22 Jul 2018 10:15:49 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id w6MAFnJj066699 for bugs@FreeBSD.org; Sun, 22 Jul 2018 10:15:49 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 229958] ctld / zfs deadlock Date: Sun, 22 Jul 2018 10:15:49 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 11.2-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: bugzilla.freebsd@omnilan.de X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 22 Jul 2018 10:15:51 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D229958 Bug ID: 229958 Summary: ctld / zfs deadlock Product: Base System Version: 11.2-RELEASE Hardware: Any OS: Any Status: New Severity: Affects Some People Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: bugzilla.freebsd@omnilan.de Hello, 'zfs rename poolA/iscsivolumeX poolA/iscsiVOLx' locks up the ZFS pool poolA= , if /dev/zvol/poolA/iscsivolumeX is used as target LUN path in ctld(8). The machine is still operational and datasets from other pools are accessab= le, but no dataset of poolA. Reboot doesn't succeed, machine hangs after "Syncing disks, vnodes remainin= g... 1 1 1 0 0 ..... done" "All buffers synced." HANG I'm quiet sure the pool lockup wasn't an issue in FreeBSD 10, since I often forgot to disable zvol ctld(8) backends before renaming the dataset. Is this in any way related to https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D220175 ??? And perhaps my other big ctld(8) problem might be related too? https://lists.freebsd.org/pipermail/freebsd-stable/2018-July/089268.html Sorry for combining problem descriptions, but I'm observing severe iSCSI regressions on all systems I updated to 11.2. Unfortunately initiators were updated too, so the root cause is not clear. Thanks, -harry --=20 You are receiving this mail because: You are the assignee for the bug.=