From owner-freebsd-fs@freebsd.org Thu Feb 15 14:47:10 2018 Return-Path: Delivered-To: freebsd-fs@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 57E2DF23A63 for ; Thu, 15 Feb 2018 14:47:10 +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 4448B7BEF4 for ; Thu, 15 Feb 2018 14:47:09 +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 6B73120F75 for ; Thu, 15 Feb 2018 14:47:08 +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 w1FEl8sf045969 for ; Thu, 15 Feb 2018 14:47:08 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from bugzilla@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id w1FEl8ur045967 for freebsd-fs@FreeBSD.org; Thu, 15 Feb 2018 14:47:08 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: bugzilla set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: freebsd-fs@FreeBSD.org Subject: [Bug 223803] zio_done() panic on system with cache devices Date: Thu, 15 Feb 2018 14:47:07 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 10.3-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: commit-hook@freebsd.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-fs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: 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-fs@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 15 Feb 2018 14:47:10 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D223803 --- Comment #10 from commit-hook@freebsd.org --- A commit references this bug: Author: avg Date: Thu Feb 15 14:46:30 UTC 2018 New revision: 329314 URL: https://svnweb.freebsd.org/changeset/base/329314 Log: MFV r329313: 8857 zio_remove_child() panic due to already destroyed parent zio illumos/illumos-gate@d6e1c446d7897003fd9fd36ef5aa7da350b7f6af =20 https://github.com/illumos/illumos-gate/commit/d6e1c446d7897003fd9fd36ef5aa= 7da350b7f6af https://www.illumos.org/issues/8857 I had an OS panic on one of our servers: ffffff01809128c0 vpanic() ffffff01809128e0 mutex_panic+0x58(fffffffffb94c904, ffffff597dde7f80) ffffff0180912950 mutex_vector_enter+0x347(ffffff597dde7f80) ffffff01809129b0 zio_remove_child+0x50(ffffff597dde7c58, ffffff32bd901a= c0, ffffff3373370908) ffffff0180912a40 zio_done+0x390(ffffff32bd901ac0) ffffff0180912a70 zio_execute+0x78(ffffff32bd901ac0) ffffff0180912b30 taskq_thread+0x2d0(ffffff33bae44140) ffffff0180912b40 thread_start+8() It panicked here: http://src.illumos.org/source/xref/illumos-gate/usr/src/uts/common/fs/z= fs/ zio.c#430 pio->io_lock is DEAD, thus a panic. Further analysis shows the "pio" (parent zio of "cio") has already been destroyed. Reviewed by: Matthew Ahrens Reviewed by: Andriy Gapon Reviewed by: Youzhong Yang Approved by: Dan McDonald Author: George Wilson PR: 223803 Tested by: shiva.bhanujan@quorum.com MFC after: 2 weeks Changes: _U head/sys/cddl/contrib/opensolaris/ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/zio.h head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c --=20 You are receiving this mail because: You are the assignee for the bug.=