From owner-freebsd-current@FreeBSD.ORG Mon Oct 27 11:42:59 2003 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B59C016A4B3 for ; Mon, 27 Oct 2003 11:42:59 -0800 (PST) Received: from mail.gactr.uga.edu (mail.gactr.uga.edu [128.192.37.25]) by mx1.FreeBSD.org (Postfix) with ESMTP id 46BC143FBD for ; Mon, 27 Oct 2003 11:42:58 -0800 (PST) (envelope-from robin.blanchard@gactr.uga.edu) Received: from 127.0.0.1 (localhost [127.0.0.1]) by dummy.domain.name (Postfix) with SMTP id B304876FC1 for ; Mon, 27 Oct 2003 14:42:56 -0500 (EST) Received: from EBE1.gc.nat (E2K1.gc.nat [10.10.11.21]) by mail.gactr.uga.edu (Postfix) with ESMTP id 7FE2076FC0 for ; Mon, 27 Oct 2003 14:42:56 -0500 (EST) content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable X-MimeOLE: Produced By Microsoft Exchange V6.0.6487.1 Date: Mon, 27 Oct 2003 14:42:56 -0500 Message-ID: X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: vrele: negative ref cnt (panic) Thread-Index: AcOcwoTT3jEt8MtdTwOagWjma/60tQ== From: "Robin P. Blanchard" To: Subject: vrele: negative ref cnt (panic) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 27 Oct 2003 19:42:59 -0000 Got this panic on a uni-processor 4bsd kernel with sources of this = morning (~8.30EST) upon attempting to reboot. --- panic: vrele: negative ref cnt Stack backtrace: panic: from debugger Uptime: 2m2s Dumping 255 MB 16 32 48 64 80 96 112 128 144 160 176 192 208 224 240 --- #0 doadump () at /usr/src/sys/kern/kern_shutdown.c:240 No locals. #1 0xc04b0d3c in boot (howto=3D260) at = /usr/src/sys/kern/kern_shutdown.c:372 No locals. #2 0xc04b1067 in panic () at /usr/src/sys/kern/kern_shutdown.c:550 td =3D (struct thread *) 0xc2c01d10 bootopt =3D 260 newpanic =3D 0 ap =3D 0xd2f369b0 "hj=F3=D2RGD=C0=D4\225Z=C0" buf =3D "vrele: negative ref cnt", '\0' #3 0xc04447f2 in db_panic () at /usr/src/sys/ddb/db_command.c:450 No locals. #4 0xc0444752 in db_command (last_cmdp=3D0xc06288e0, cmd_table=3D0x0, aux_cmd_tablep=3D0xc06012fc,=20 aux_cmd_tablep_end=3D0xc0601300) at = /usr/src/sys/ddb/db_command.c:346 cmd =3D (struct command *) 0xc05d1d3c t =3D 0 modif =3D "\0\222b=C0(\034i=C0=F8i=F3=D2\r\0\0\0=A0\ah=C0\r\0\0\0\001\0\0\0\030j=F3= =D2f=FAY=C0`=EDf=C0\aK\0 $\bh=C0\0\037f=C0@\222b=C0x\0\0\0@\222b=C0(\034i=C0 #11 0xc050889e in vrele () at /usr/src/sys/kern/vfs_subr.c:2220 td =3D (struct thread *) 0xc2c01d10 #12 0xc055e569 in ffs_unmount (mp=3D0xc2a05000, mntflags=3D524288, = td=3D0xc2c01d10) at /usr/src/sys/ufs/ffs/ffs_vfsops.c:997 ump =3D (struct ufsmount *) 0xc2a39800 fs =3D (struct fs *) 0xc2c01d10 error =3D -1029181440 flags =3D 0 #13 0xc0503f14 in dounmount (mp=3D0xc2a05000, flags=3D524288, = td=3D0xc2c01d10) at /usr/src/sys/kern/vfs_mount.c:1339 coveredvp =3D (struct vnode *) 0x0 fsrootvp =3D (struct vnode *) 0xc2a7fc8c error =3D 0 async_flag =3D 0 #14 0xc050a12e in vfs_unmountall () at /usr/src/sys/kern/vfs_subr.c:3175 mp =3D (struct mount *) 0xc2a05000 td =3D (struct thread *) 0xc2c01d10 error =3D 0 #15 0xc04b0c49 in boot (howto=3D0) at = /usr/src/sys/kern/kern_shutdown.c:357 bp =3D (struct buf *) 0xc7b12fe8 iter =3D 2 nbusy =3D 0 pbusy =3D 11 subiter =3D 0 #16 0xc04b0556 in reboot (td=3D0x0, uap=3D0x0) at /usr/src/sys/kern/kern_shutdown.c:178 error =3D 0 #17 0xc05ba570 in syscall (frame=3D {tf_fs =3D 47, tf_es =3D 47, tf_ds =3D 47, tf_edi =3D 0, tf_esi = =3D 0, tf_ebp =3D -1077937072, tf_isp =3D -755798668, tf_ebx =3D 2, tf_edx =3D -1, tf_ecx = =3D 672426276, tf_eax =3D 55, tf_trapno =3D 12, tf_err =3D 2, tf_eip =3D = 671765307, tf_cs =3D 31, tf_eflags =3D 582, tf_esp =3D -1077937140, tf_ss =3D 47}) at /usr/src/sys/i386/i386/trap.c:1009 params =3D 0xbfbffc10---Can't read userspace from dump, or = kernel process--- --------------------------------------- Robin P. Blanchard Systems Integration Specialist Georgia Center for Continuing Education fon: 706.542.2404 < > fax: 706.542.6546 ---------------------------------------