From owner-freebsd-current Tue Nov 24 18:08:34 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id SAA11668 for freebsd-current-outgoing; Tue, 24 Nov 1998 18:08:34 -0800 (PST) (envelope-from owner-freebsd-current@FreeBSD.ORG) Received: from troutmask.apl.washington.edu (troutmask.apl.washington.edu [128.95.76.54]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id SAA11661 for ; Tue, 24 Nov 1998 18:08:30 -0800 (PST) (envelope-from sgk@troutmask.apl.washington.edu) Received: (from sgk@localhost) by troutmask.apl.washington.edu (8.9.1/8.9.1) id SAA00353; Tue, 24 Nov 1998 18:15:50 -0800 (PST) (envelope-from sgk) From: Steve Kargl Message-Id: <199811250215.SAA00353@troutmask.apl.washington.edu> Subject: Re: Random craches under heavy(?) disk activity In-Reply-To: <199811250118.RAA25566@root.com> from David Greenman at "Nov 24, 1998 5:18:16 pm" To: dg@root.com Date: Tue, 24 Nov 1998 18:15:49 -0800 (PST) Cc: grog@lemis.com, romanp@wuppy.rcs.ru, kpielorz@tdx.co.uk, current@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL43 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG According to David Greenman: > > Guys, would you please look at the file sys/kern/vfs_cluster.c and verify > that you have rev 1.74? > rm -rf /usr/sys cvsup at 981124.1614 pst It crashes. I have an ELF kernel with debugging symbols. I can not get a dump. If I issue 'panic' at the db> prompt the system locks up tight. No keyboard, no disk activity, nothing. All I have is a stack trace: dev=0x20404, bno = 34, bsize = 8192, size = 8192, fs = /var panic: ffs_blkfree: bad size mp_lock = 00000001; cpuid = 0; lapic.id = 01000000 Debugger("panic") Stopped at _Debugger+0x35: movb $0, _in_Debugger.98 db> trace _Debugger() at _Debugger+0x35 _panic() at _panic+0x9f _ffs_blkfree() at _ffs_blkfree+0xc2 _ffs_reallocblks() at _ffs_reallocblks+0x420 _cluster_write() at _cluster_write+0x15f _ffs_write() at _ffs_write+0x56f _vn_write() at _vn_write+0xef _write() at _write+0xba _syscall() at _syscall+0x187 _Xint0x80_syscall() at _Xint0x80_syscall+0x4c If someone can clue me in on getting a crash dump, I'll give Kirk access to my machines to debug this. I have dumpdev=/dev/da1s1b in my rc.conf, and da1s1b is nearly 700MB in size. -- Steve finger kargl@troutmask.apl.washington.edu http://troutmask.apl.washington.edu/~clesceri/kargl.html To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message