From owner-freebsd-fs@freebsd.org Tue Mar 19 16:12:58 2019 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 792651554840 for ; Tue, 19 Mar 2019 16:12:58 +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 105668B415 for ; Tue, 19 Mar 2019 16:12:58 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.ysv.freebsd.org (Postfix) id C34F0155483F; Tue, 19 Mar 2019 16:12:57 +0000 (UTC) Delivered-To: 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 B0EC2155483E for ; Tue, 19 Mar 2019 16:12:57 +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 TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.ysv.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4BDC68B412 for ; Tue, 19 Mar 2019 16:12:57 +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 755BACD9D for ; Tue, 19 Mar 2019 16:12:56 +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 x2JGCuIR072216 for ; Tue, 19 Mar 2019 16:12:56 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id x2JGCusM072214 for fs@FreeBSD.org; Tue, 19 Mar 2019 16:12:56 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: fs@FreeBSD.org Subject: [Bug 235783] Repeated ZFS-related kernel panic Date: Tue, 19 Mar 2019 16:12:56 +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: 11.2-RELEASE X-Bugzilla-Keywords: panic X-Bugzilla-Severity: Affects Many People X-Bugzilla-Who: jurij.kovacic@ocpea.com X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: 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: 2.1.29 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 19 Mar 2019 16:12:58 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D235783 --- Comment #7 from Jurij Kovacic --- Hi Andriy, Thank you again for the detailed instructions. The following is what I got after entering "frame 7" and "print *db" as instructed:=20 (kgdb) frame 7 #7 0xffffffff82299013 in dbuf_destroy (db=3D0xfffff8028de9cae0) at atomic.= h:79 79 atomic_subtract_32(target, 1); Current language: auto; currently minimal (kgdb) print *db $1 =3D {db =3D {db_object =3D 52289, db_offset =3D 15868362752, db_size =3D= 131072, db_data =3D 0x0}, db_objset =3D 0xfffff8000f30a400, db_dnode_handle =3D 0x0, db_parent =3D 0xfffff800168d9000, db_hash_next =3D 0x0, db_blkid =3D 121066, db_blkptr =3D 0x0, db_level = =3D 0 '\0', db_mtx =3D {lock_object =3D {lo_name =3D 0xffffffff823d529f "db->db_mtx", l= o_flags =3D 577830912, lo_data =3D 0, lo_witness =3D 0x0}, sx_lock =3D 1}, db_state =3D DB_EVICTING, db_hol= ds =3D {rc_count =3D 0}, db_buf =3D 0x0, db_changed =3D {cv_description =3D 0xffff= ffff823d52ab "db->db_changed", cv_waiters =3D 0}, db_data_pending =3D 0x0, db_last_dirty =3D 0x0, db_link =3D {avl_child =3D 0xfffff8028de9cb90, avl_pcb =3D 18446735289386928809}, db_cache_link =3D {l= ist_next =3D 0x0, list_prev =3D 0x0}, db_user =3D 0x0, db_user_immediate_evict =3D 0 '\0', db_freed_in_flight =3D 0 '\0', db_pending_evict =3D 0 '\0', db_dirtycnt =3D 0 '\0'} (kgdb) Kind regards, Jurij --=20 You are receiving this mail because: You are the assignee for the bug.=