From owner-freebsd-bugs@FreeBSD.ORG Sun May 31 01:50:03 2009 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 61454106564A for ; Sun, 31 May 2009 01:50:03 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 359038FC14 for ; Sun, 31 May 2009 01:50:03 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.14.3/8.14.3) with ESMTP id n4V1o3Mg009953 for ; Sun, 31 May 2009 01:50:03 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.3/8.14.3/Submit) id n4V1o3O0009952; Sun, 31 May 2009 01:50:03 GMT (envelope-from gnats) Date: Sun, 31 May 2009 01:50:03 GMT Message-Id: <200905310150.n4V1o3O0009952@freefall.freebsd.org> To: freebsd-bugs@FreeBSD.org From: Randy Bush Cc: Subject: Re: kern/134011: [hang] swap_pager_getswapspace(4): failed X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Randy Bush List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 31 May 2009 01:50:03 -0000 The following reply was made to PR kern/134011; it has been noted by GNATS. From: Randy Bush To: bug-followup@FreeBSD.org,randy@psg.com Cc: Subject: Re: kern/134011: [hang] swap_pager_getswapspace(4): failed Date: Sun, 31 May 2009 10:48:05 +0900 a bit better in last night's syslog, possibly during backup May 30 00:40:14 work0 kernel: lock order reversal: May 30 00:40:14 work0 kernel: 1st 0xffffff0057d019d0 ufs (ufs) @ /usr/src/sys/ufs/ffs/ffs_snapshot.c:423 May 30 00:40:14 work0 kernel: 2nd 0xffffff8052c01aa0 bufwait (bufwait) @ /usr/src/sys/kern/vfs_bio.c:2556 May 30 00:40:14 work0 kernel: 3rd 0xffffff0004b8d098 ufs (ufs) @ /usr/src/sys/ufs/ffs/ffs_snapshot.c:544 May 30 00:40:16 work0 kernel: lock order reversal: May 30 00:40:16 work0 kernel: 1st 0xffffff8052c01aa0 bufwait (bufwait) @ /usr/src/sys/kern/vfs_bio.c:2556 May 30 00:40:16 work0 kernel: 2nd 0xffffff00d35c7d30 snaplk (snaplk) @ /usr/src/sys/ufs/ffs/ffs_snapshot.c:793 May 30 00:50:14 work0 kernel: lock order reversal: May 30 00:50:14 work0 kernel: 1st 0xffffff00d35c7d30 snaplk (snaplk) @ /usr/src/sys/kern/vfs_vnops.c:297 May 30 00:50:14 work0 kernel: 2nd 0xffffff0057d019d May 30 00:50:14 work0 kernel: 0 ufs (ufs) @ /u May 30 00:50:14 work0 kernel: s May 30 00:50:15 work0 kernel: r/src/sys/ May 30 00:50:15 work0 kernel: ufs/ffs/ May 30 00:50:15 work0 kernel: ffs_snap May 30 00:50:15 work0 kernel: shot.c: May 30 00:50:15 work0 kernel: 1587 May 30 01:45:21 work0 kernel: May 30 01:45:21 work0 kernel: May 30 01:45:21 work0 kernel: Fatal trap 12: page fault while in kernel mode May 30 01:45:21 work0 kernel: cpuid = 0; apic id = 00 May 30 01:45:21 work0 kernel: fault virtual address = 0x0 May 30 01:45:21 work0 kernel: fault code = supervisor write data, page not present May 30 01:45:21 work0 kernel: instruction pointer = 0x20:0xffffffff8047c256 May 30 01:45:21 work0 kernel: sta May 30 01:45:21 work0 kernel: c May 30 01:45:21 work0 kernel: k pointer = 0x28:0xffffff807a057680 May 30 01:45:21 work0 kernel: frame pointer = 0x28:0xffffff807a0576e0 May 30 01:45:21 work0 kernel: code segment = base 0x0, limit 0xfffff, type 0x1b May 30 01:45:21 work0 kernel: = DPL 0, pres 1, long 1, def32 0, gran May 30 01:45:21 work0 kernel: 1 May 30 01:45:21 work0 kernel: processor eflags = interrup May 30 01:45:21 work0 kernel: t enabled, resume, May 30 01:45:21 work0 kernel: IOPL = 0 May 30 01:45:21 work0 kernel: current process May 30 01:45:21 work0 kernel: = 9181 (nfcapd) May 30 02:10:04 work0 syslogd: kernel boot file is /boot/kernel/kernel