From owner-freebsd-current@FreeBSD.ORG Sun Mar 26 15:15:51 2006 Return-Path: X-Original-To: freebsd-current@freebsd.org 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 C084116A426 for ; Sun, 26 Mar 2006 15:15:51 +0000 (UTC) (envelope-from joao.barros@gmail.com) Received: from xproxy.gmail.com (xproxy.gmail.com [66.249.82.206]) by mx1.FreeBSD.org (Postfix) with ESMTP id DA88A43D6A for ; Sun, 26 Mar 2006 15:15:49 +0000 (GMT) (envelope-from joao.barros@gmail.com) Received: by xproxy.gmail.com with SMTP id t12so749281wxc for ; Sun, 26 Mar 2006 07:15:49 -0800 (PST) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:mime-version:content-type:content-transfer-encoding:content-disposition; b=KUPziPndnLPWKGMQN+4/kfNiPxMfp0YDllPahjY8QD4A0G8BpyJzvjEzhLVDGur4VYv9PpDKrLWFBaNt6BN3tySG6/ACYrqROI4O2+o4/Bbfyo+TIMDstuODQ0umQ6d+1lVjTuWJsV29j2IBWuveapD8LX9erDWEEWbaXFXGw8I= Received: by 10.70.18.13 with SMTP id 13mr3418513wxr; Sun, 26 Mar 2006 07:15:47 -0800 (PST) Received: by 10.70.9.16 with HTTP; Sun, 26 Mar 2006 07:15:47 -0800 (PST) Message-ID: <70e8236f0603260715u54e4640di18300fa1fd031c4f@mail.gmail.com> Date: Sun, 26 Mar 2006 16:15:47 +0100 From: "Joao Barros" To: freebsd-current@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Subject: lockmgr: thread 0xc385ebd0 unlocking unheld lock X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 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: Sun, 26 Mar 2006 15:15:51 -0000 Last night I was mounting a windows share with mount_smbfs and browsing it via apache and I got the machine to panic twice. I was tired and went to bed. Today I can't replicate the panic but this always happens when I unmount: lockmgr(c36cfb08,2006,c36cfb2c,c35251b0,d5926c00) at lockmgr+0x5c6 smb_co_put(c36cfb00,d5926c00,d5926c00,c35251b0,c3703280) at smb_co_put+0x46 smbfs_unmount(c33f6800,8000000,c35251b0,0,415) at smbfs_unmount+0x71 dounmount(c33f6800,8000000,c35251b0,c0733b28,0) at dounmount+0x286 unmount(c35251b0,d5926d04,c3527234,c,c35251b0) at unmount+0x1f6 syscall(3b,3b,3b,804a465,8201a51) at syscall+0x27e Xint0x80_syscall() at Xint0x80_syscall+0x1f --- syscall (22, FreeBSD ELF32, unmount), eip =3D 0x280c205f, esp =3D 0xbfb= fe54c, eb p =3D 0xbfbfe5f8 --- Another time, a different share: lockmgr: thread 0xc385ebd0 unlocking unheld lock KDB: stack backtrace: kdb_backtrace(c06ca09c,c385ebd0) at kdb_backtrace+0x29 lockmgr(c36ed508,2006,c36ed52c,c385ebd0,dab78c00) at lockmgr+0x5c6 smb_co_put(c36ed500,dab78c00,dab78c00,c385ebd0,c3703280) at smb_co_put+0x46 smbfs_unmount(c33f5400,8000000,c385ebd0,0,415) at smbfs_unmount+0x71 dounmount(c33f5400,8000000,c385ebd0,c0733b28,0) at dounmount+0x286 unmount(c385ebd0,dab78d04,c385d000,c,c385ebd0) at unmount+0x1f6 syscall(3b,3b,3b,804a465,8201a51) at syscall+0x27e Xint0x80_syscall() at Xint0x80_syscall+0x1f --- syscall (22, FreeBSD ELF32, unmount), eip =3D 0x280c205f, esp =3D 0xbfb= fe53c, eb p =3D 0xbfbfe5e8 --- The machine is running CURRENT cvsuped last night with a kernel compiled without a bunch of drivers. I can compile GENERIC if needed. I'm trying to replicate the panic, and if I can I'll post a followup. In the meantime if anyone can provide some insight on this or needs more info I'm more than available. -- Joao Barros