From owner-freebsd-current@FreeBSD.ORG Mon Jun 15 21:02:18 2009 Return-Path: Delivered-To: current@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id A87E91065688; Mon, 15 Jun 2009 21:02:18 +0000 (UTC) (envelope-from kris@FreeBSD.org) Received: from kennaway-macbookpro.config (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id AE02E8FC28; Mon, 15 Jun 2009 21:02:17 +0000 (UTC) (envelope-from kris@FreeBSD.org) Message-ID: <4A36B6D8.8000701@FreeBSD.org> Date: Mon, 15 Jun 2009 22:02:16 +0100 From: Kris Kennaway User-Agent: Thunderbird 2.0.0.21 (Macintosh/20090302) MIME-Version: 1.0 To: pav@FreeBSD.org References: <1242075474.72992.118.camel@hood.oook.cz> In-Reply-To: <1242075474.72992.118.camel@hood.oook.cz> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: dfr@FreeBSD.org, kmacy@FreeBSD.org, current@FreeBSD.org Subject: Re: pointyhat panic 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: Mon, 15 Jun 2009 21:02:20 -0000 Pav Lucistnik wrote: > panic: mtx_lock() of destroyed mutex @ /usr/src/sys/rpc/clnt_vc.c:953 > cpuid = 2 > KDB: enter: panic > [thread pid 0 tid 100029 ] > Stopped at kdb_enter+0x3d: movq $0,0x3f5fb8(%rip) > db> bt > Tracing pid 0 tid 100029 td 0xffffff00018e1000 > kdb_enter() at kdb_enter+0x3d > panic() at panic+0x17b > _mtx_lock_flags() at _mtx_lock_flags+0xc5 > clnt_vc_soupcall() at clnt_vc_soupcall+0x273 > sowakeup() at sowakeup+0xf8 > tcp_do_segment() at tcp_do_segment+0x23c9 > tcp_input() at tcp_input+0x9ec > ip_input() at ip_input+0xbc > ether_demux() at ether_demux+0x1ed > ether_input() at ether_input+0x171 > em_rxeof() at em_rxeof+0x201 > em_handle_rxtx() at em_handle_rxtx+0x4b > taskqueue_run() at taskqueue_run+0x96 > taskqueue_thread_loop() at taskqueue_thread_loop+0x3f > fork_exit() at fork_exit+0x12a > fork_trampoline() at fork_trampoline+0xe > --- trap 0, rip = 0, rsp = 0xffffffff240a6d40, rbp = 0 --- > > The box is in kdb on serial console for now. May 9 -CURRENT, I think. > This happened again. The trigger was this (^C of a find on a busy netapp volume with a lot of other concurrent nfs traffic to the same mountpoint): pointyhat# find . -name \*.bz2 -mmin -10 ^Cnfs server dumpster:/vol/vol4/pointyhat: not responding nfs server dumpster:/vol/vol4/pointyhat: not responding nfs server dumpster:/vol/vol4/pointyhat: not responding nfs server dumpster:/vol/vol4/pointyhat: not responding nfs server dumpster:/vol/vol4/pointyhat: not responding nfs server dumpster:/vol/vol4/pointyhat: not responding nfs server dumpster:/vol/vol4/pointyhat: not responding nfs server dumpster:/vol/vol4/pointyhat: not responding nfs server dumpster:/vol/vol4/pointyhat: not responding nfs server dumpster:/vol/vol4/pointyhat: not responding nfs server dumpster:/vol/vol4/pointyhat: not responding nfs server dumpster:/vol/vol4/pointyhat: not responding load: 4.54 cmd: find 93357 [rpccon] 11.19u 111.62s 0% 4848k About 5-10 minutes later the machine panicked. I'll try updating to a newer -CURRENT. Kris