From owner-freebsd-fs@freebsd.org Mon Oct 15 00:28:53 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 D172710C9D95 for ; Mon, 15 Oct 2018 00:28:52 +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 5904A7CAC4 for ; Mon, 15 Oct 2018 00:28:52 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.ysv.freebsd.org (Postfix) id 0473A10C9D92; Mon, 15 Oct 2018 00:28:52 +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 D710E10C9D91 for ; Mon, 15 Oct 2018 00:28:51 +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 78D097CAB1 for ; Mon, 15 Oct 2018 00:28:51 +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 C67CC18EB9 for ; Mon, 15 Oct 2018 00:28:50 +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 w9F0SoMr009634 for ; Mon, 15 Oct 2018 00:28:50 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id w9F0SoGf009633 for fs@FreeBSD.org; Mon, 15 Oct 2018 00:28:50 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 228750] panic on zfs mirror removal Date: Mon, 15 Oct 2018 00:28:50 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 11.1-STABLE X-Bugzilla-Keywords: panic X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: cheeky.m@live.com X-Bugzilla-Status: In Progress X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: mav@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: 2.1.27 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 15 Oct 2018 00:28:53 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D228750 --- Comment #14 from Roger Hammerstein --- (In reply to Allan Jude from comment #13) actually there is no panic on the console. kgdb /boot/kernel/kernel /var/crash/vmcore.2 Unread portion of the kernel message buffer: Fatal trap 12: page fault while in kernel mode Fatal trap 12: page fault while in kernel mode cpuid =3D 19; apic id =3D 26 fault virtual address =3D 0x0 fault code =3D supervisor read data, page not present instruction pointer =3D 0x20:0xffffffff8243df34 Fatal trap 12: page fault while in kernel mode stack pointer =3D 0x28:0xfffffe023ca77750 frame pointer =3D 0x28:0xfffffe023ca77780 code segment =3D base 0x0, limit 0xfffff, type 0x1b =3D DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags =3D interrupt enabled, resume, IOPL =3D 0 current process =3D 0 (zio_free_issue_2_3) trap number =3D 12 panic: page fault cpuid =3D 19 KDB: stack backtrace: #0 0xffffffff80b40df7 at kdb_backtrace+0x67 #1 0xffffffff80afa337 at vpanic+0x177 #2 0xffffffff80afa1b3 at panic+0x43 #3 0xffffffff80f7c38f at trap_fatal+0x35f #4 0xffffffff80f7c3e9 at trap_pfault+0x49 #5 0xffffffff80f7ba8c at trap+0x29c #6 0xffffffff80f5bfcc at calltrap+0x8 #7 0xffffffff824bc89b at vdev_indirect_io_start+0x9b #8 0xffffffff824e9fa9 at zio_vdev_io_start+0x2a9 #9 0xffffffff824e68ec at zio_execute+0xbc #10 0xffffffff824e61fb at zio_nowait+0xcb #11 0xffffffff824c248f at vdev_mirror_io_start+0x41f #12 0xffffffff824e9e5c at zio_vdev_io_start+0x15c #13 0xffffffff824e68ec at zio_execute+0xbc #14 0xffffffff80b52694 at taskqueue_run_locked+0x154 #15 0xffffffff80b537f8 at taskqueue_thread_loop+0x98 #16 0xffffffff80abd963 at fork_exit+0x83 #17 0xffffffff80f5cf8e at fork_trampoline+0xe --=20 You are receiving this mail because: You are on the CC list for the bug.=