From owner-freebsd-fs@FreeBSD.ORG Sat Nov 8 22:07:06 2014 Return-Path: Delivered-To: freebsd-fs@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 5961AECB for ; Sat, 8 Nov 2014 22:07:06 +0000 (UTC) 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 mx1.freebsd.org (Postfix) with ESMTPS id 3B865228 for ; Sat, 8 Nov 2014 22:07:06 +0000 (UTC) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.14.9/8.14.9) with ESMTP id sA8M76NB052087 for ; Sat, 8 Nov 2014 22:07:06 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-fs@FreeBSD.org Subject: [Bug 188187] [zfs] [panic] 10-stable: Kernel panic on zpool import: integer divide fault Date: Sat, 08 Nov 2014 22:07:06 +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: 10.0-STABLE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: smh@FreeBSD.org X-Bugzilla-Status: In Discussion X-Bugzilla-Priority: Normal X-Bugzilla-Assigned-To: freebsd-fs@FreeBSD.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit 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: 2.1.18-1 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 08 Nov 2014 22:07:06 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=188187 --- Comment #5 from Steven Hartland --- (In reply to 6yearold from comment #0) > I have root on ZFS and using 10-STABLE. Somewhere from March 15 i started to > get following panic when mounting root: > > Fatal trap 18: integer divide fault while in kernel mode > Fatal trap 18: integer divide fault while in kernel mode > cpuid = 0; cpuid = 1; apic id = 00 > apic id = 01 > instruction pointer = 0x20:0xffffffff81a7f92d > instruction pointer = 0x28:0xffffffff81a7f92d > stack pointer = 0x28:0xfffffe0097a8b100 > stack pointer = 0x28:0xfffffe0097a12ba0 > frame pointer = 0x28:0xfffffe0097a8b120 > frame pointer = 0x28:0xfffffe0097a12bc0 > code segment = base rx0, limit 0xfffff, type 0x1b > code segment = base rx0, limit 0xfffff, type 0x1b > = DPL 0, pres 1, long 1, def32 0, gran 1 > = DPL 0, pres 1, long 1, def32 0, gran 1 > processor eflags = processor eflags = interrupt enabled, > interrupt enabled, resume, resume, IOPL = 0 > IOPL = 0 > current process = current process = 0 (system_taskq_1) 1198 > (zpool) > trap number = 18 > tpanic: integer divide fault > cpuid = 0 > KDB: stack backtrace: > #0 0xffffffff80910f30 at kdb_backtrace+0x60 > #1 0xffffffff808d6645 at panic+0x155 > #2 0xffffffff80cc9a9f at trap_fatal+0x38f > #3 0xffffffff80cc96fc at trap+0x72c > #4 0xffffffff80cb04f2 at calltrap+0x8 > #5 0xffffffff81a8c4e6 at vdev_mirror_io_start+0x146 > #6 0xffffffff81aa7205 at zio_vdev_io_start+0x185 > #7 0xffffffff81aa4352 at zio_execute+0x162 > #8 0xffffffff81a2f83d at arc_read+0x87d > #9 0xffffffff81a4917e at traverse_prefetcher+0x13e > #10 0xffffffff81a48580 at traverse_visitbp+0x270 > #11 0xffffffff81a48749 at traverse_visitbp+0x439 > #12 0xffffffff81a48fa3 at traverse_dnode+0x83 > #13 0xffffffff81a48d45 at traverse_visitbp+0xa35 > #14 0xffffffff81a48749 at traverse_visitbp+0x439 > #15 0xffffffff81a48fa3 at traverse_dnode+0x83 > #16 0xffffffff81a48a0c at traverse_visitbp+0x6fc > #17 0xffffffff81a482b6 at traverse_prefetch_thread+0x96 > > I've downloaded latest snapshot of 10-STABLE, booted it and ran > > ~ # zpool import -fR /mnt zroot > > The error was same. please provide the output from the kernel dump which includes line numbers. -- You are receiving this mail because: You are the assignee for the bug.