From owner-freebsd-current@FreeBSD.ORG Fri Jul 13 03:11:22 2007 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id AAF7616A400 for ; Fri, 13 Jul 2007 03:11:22 +0000 (UTC) (envelope-from stevenschlansker@berkeley.edu) Received: from smtp-out1.berkeley.edu (smtp-out1.Berkeley.EDU [128.32.61.106]) by mx1.freebsd.org (Postfix) with ESMTP id 9853813C4B4 for ; Fri, 13 Jul 2007 03:11:22 +0000 (UTC) (envelope-from stevenschlansker@berkeley.edu) Received: from adsl-75-44-18-150.dsl.pltn13.sbcglobal.net ([75.44.18.150] helo=[192.168.42.10]) by fe3.calmail with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.67) (auth plain:stevenschlansker@berkeley.edu) (envelope-from ) id 1I9BYw-0000LG-An for freebsd-current@freebsd.org; Thu, 12 Jul 2007 20:11:22 -0700 Message-ID: <4696ED57.3090507@berkeley.edu> Date: Thu, 12 Jul 2007 20:11:19 -0700 From: Steven Schlansker User-Agent: Thunderbird 1.5.0.12 (X11/20070604) MIME-Version: 1.0 To: freebsd-current@freebsd.org X-Enigmail-Version: 0.94.2.0 OpenPGP: id=40BFF7A7; url=subkeys.pgp.net Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: uma_zalloc_arg: zone "mbuf" with the following non-sleepable locks held: on today's amd64 kernel 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: Fri, 13 Jul 2007 03:11:22 -0000 'Fraid I'm not much of a kernel hacker, so advance apologies if this turns out just to be noise - but I figure since I'm running current I ought to report a few bugs. If it turns out that this sort of thing shouldn't be reported, just tell me ;) I compiled a new kernel at 11:30am, and I've been writing to zfs via nfs for a bit and these messages have been showing up: Jul 12 19:52:25 universe kernel: uma_zalloc_arg: zone "mbuf" with the following non-sleepable locks held: Jul 12 19:52:25 universe kernel: exclusive sleep mutex nfsd_mtx r = 0 (0xffffffff80aad120) locked @ /usr/src/sys/nfsserver/nfs_srvsock.c:660 Jul 12 19:52:25 universe kernel: KDB: stack backtrace: Jul 12 19:52:25 universe kernel: db_trace_self_wrapper() at db_trace_self_wrapper+0x2a Jul 12 19:52:25 universe kernel: witness_warn() at witness_warn+0x248 Jul 12 19:52:25 universe kernel: uma_zalloc_arg() at uma_zalloc_arg+0x33a Jul 12 19:52:25 universe kernel: nfs_realign() at nfs_realign+0x63 Jul 12 19:52:25 universe kernel: nfsrv_rcv() at nfsrv_rcv+0x590 Jul 12 19:52:25 universe kernel: nfssvc() at nfssvc+0xb9f Jul 12 19:52:25 universe kernel: syscall() at syscall+0x1ce Jul 12 19:52:25 universe kernel: Xfast_syscall() at Xfast_syscall+0xab Jul 12 19:52:25 universe kernel: --- syscall (155, FreeBSD ELF64, nfssvc), rip = 0x8006891cc, rsp = 0x7fffffffea28, rbp = 0 --- Jul 12 19:52:25 universe kernel: uma_zalloc_arg: zone "mbuf_cluster" with the following non-sleepable locks held: Jul 12 19:52:25 universe kernel: exclusive sleep mutex nfsd_mtx r = 0 (0xffffffff80aad120) locked @ /usr/src/sys/nfsserver/nfs_srvsock.c:660 Jul 12 19:52:25 universe kernel: KDB: stack backtrace: Jul 12 19:52:25 universe kernel: db_trace_self_wrapper() at db_trace_self_wrapper+0x2a Jul 12 19:52:25 universe kernel: witness_warn() at witness_warn+0x248 Jul 12 19:52:25 universe kernel: uma_zalloc_arg() at uma_zalloc_arg+0x33a Jul 12 19:52:25 universe kernel: nfs_realign() at nfs_realign+0x91 Jul 12 19:52:25 universe kernel: nfsrv_rcv() at nfsrv_rcv+0x590 Jul 12 19:52:25 universe kernel: nfssvc() at nfssvc+0xb9f Jul 12 19:52:25 universe kernel: syscall() at syscall+0x1ce Jul 12 19:52:25 universe kernel: Xfast_syscall() at Xfast_syscall+0xab Jul 12 19:52:25 universe kernel: --- syscall (155, FreeBSD ELF64, nfssvc), rip = 0x8006891cc, rsp = 0x7fffffffea28, rbp = 0 --- I'm running: FreeBSD universe.stevenschlansker.is-a-geek.org 7.0-CURRENT FreeBSD 7.0-CURRENT #1: Thu Jul 12 11:48:11 PDT 2007 root@universe.stevenschlansker.is-a-geek.org:/usr/obj/usr/src/sys/GENERIC amd64 Didn't do anything fancy - CVSup, buildworld buildkernel, install... Hope that helps someone track down a bug :) Steven Schlansker