From owner-freebsd-current Tue Sep 25 14:50: 9 2001 Delivered-To: freebsd-current@freebsd.org Received: from mail.wrs.com (unknown-1-11.windriver.com [147.11.1.11]) by hub.freebsd.org (Postfix) with ESMTP id 7AA4837B412 for ; Tue, 25 Sep 2001 14:50:00 -0700 (PDT) Received: from laptop.baldwin.cx ([147.11.46.209]) by mail.wrs.com (8.9.3/8.9.1) with ESMTP id OAA29425; Tue, 25 Sep 2001 14:47:29 -0700 (PDT) Message-ID: X-Mailer: XFMail 1.4.0 on FreeBSD X-Priority: 3 (Normal) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit MIME-Version: 1.0 In-Reply-To: <200109250019.RAA08335@windsor.research.att.com> Date: Tue, 25 Sep 2001 14:47:13 -0700 (PDT) From: John Baldwin To: Bill Fenner Subject: Re: panic on mount Cc: freebsd-current@FreeBSD.org, evms@cs.bu.edu, mark@grondar.za, peter@wemm.org Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On 25-Sep-01 Bill Fenner wrote: > > I also started getting this error with recent kernels (in the last > day or so). It looks like the mutex is really held since the mtx_assert before witness_unlock didn't trigger. You can try turning witness off for the time being as a workaround. I'm not sure why witness would be broken, however. > Mounting root from ufs:/dev/ad0s1a > panic: lock (sleep mutex) vnode interlock not locked @ > /usr/src/sys/kern/vfs_default.c:460 > Debugger("panic") > Stopped at Debugger+0x44: pushl %ebx > db> t > Debugger(c03c5bbb) at Debugger+0x44 > panic(c03c8c40,c03c4b80,c03ccf20,c03cc8a0,1cc) at panic+0x70 > witness_unlock(c7765f2c,8,c03cc8a0,1cc,c7765f2c,1,c03c4ba0,f6) at > witness_unlock+0x1d0 > _mtx_unlock_flags(c7765f2c,0,c03cc8a0,1cc,c0567bd0) at _mtx_unlock_flags+0x59 > vop_nolock(c0567be8,c0567bf8,c02920c2,c0567be8,c0567d4c) at vop_nolock+0x24 > vop_defaultop(c0567be8) at vop_defaultop+0x15 > vn_lock(c7765ec0,20002,c049f7c4,c0567d4c,c1346680) at vn_lock+0xca > ffs_mountfs(c7765ec0,c1351600,c049f7c4,c0446900,c0567d4c) at ffs_mountfs+0x7e > ffs_mount(c1351600,0,0,0,c049f7c4) at ffs_mount+0x67 > vfs_mountroot_try(c05447a8,c03cc48c) at vfs_mountroot_try+0x14e > vfs_mountroot(0,564c00,564000,0,c012caac) at vfs_mountroot+0x5a > mi_startup() at mi_startup+0x90 > begin() at begin+0x43 > > I dunno how to get a dump from this point since kern.dumpdev hasn't been > set.. > > Bill > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-current" in the body of the message -- John Baldwin -- http://www.FreeBSD.org/~jhb/ PGP Key: http://www.baldwin.cx/~john/pgpkey.asc "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message