From owner-freebsd-current@FreeBSD.ORG Mon Feb 21 21:10:31 2011 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 243E3106566B; Mon, 21 Feb 2011 21:10:31 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from mail.zoral.com.ua (mx0.zoral.com.ua [91.193.166.200]) by mx1.freebsd.org (Postfix) with ESMTP id 9622F8FC15; Mon, 21 Feb 2011 21:10:29 +0000 (UTC) Received: from deviant.kiev.zoral.com.ua (root@deviant.kiev.zoral.com.ua [10.1.1.148]) by mail.zoral.com.ua (8.14.2/8.14.2) with ESMTP id p1LLAPAP001849 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Mon, 21 Feb 2011 23:10:25 +0200 (EET) (envelope-from kostikbel@gmail.com) Received: from deviant.kiev.zoral.com.ua (kostik@localhost [127.0.0.1]) by deviant.kiev.zoral.com.ua (8.14.4/8.14.4) with ESMTP id p1LLAOBP044748; Mon, 21 Feb 2011 23:10:24 +0200 (EET) (envelope-from kostikbel@gmail.com) Received: (from kostik@localhost) by deviant.kiev.zoral.com.ua (8.14.4/8.14.4/Submit) id p1LLAOAK044747; Mon, 21 Feb 2011 23:10:24 +0200 (EET) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: deviant.kiev.zoral.com.ua: kostik set sender to kostikbel@gmail.com using -f Date: Mon, 21 Feb 2011 23:10:24 +0200 From: Kostik Belousov To: Mike Tancsa Message-ID: <20110221211024.GV78089@deviant.kiev.zoral.com.ua> References: <4D4A38FD.7000607@rdtc.ru> <4D3011DB.9050900@frasunek.com> <4FD1B1C3-08A7-4F48-A30A-DE5A8F3D3834@averesystems.com> <4D6133AC.6070507@sentex.net> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="uIetXajv+QHHV+2h" Content-Disposition: inline In-Reply-To: <4D6133AC.6070507@sentex.net> User-Agent: Mutt/1.4.2.3i X-Spam-Status: No, score=-3.4 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00, DNS_FROM_OPENWHOIS autolearn=no version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on skuns.kiev.zoral.com.ua Cc: freebsd-current@freebsd.org, freebsd-stable@freebsd.org Subject: Re: About "panic: bufwrite: buffer is not busy???" 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, 21 Feb 2011 21:10:31 -0000 --uIetXajv+QHHV+2h Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Feb 20, 2011 at 10:30:52AM -0500, Mike Tancsa wrote: > On 2/20/2011 9:33 AM, Andrey Smagin wrote: > > On week -current I have same problem, my box paniced every 2-15 min. I = resolve problem by next steps - unplug network connectors from 2 intel em (= 82574L) cards. I think last time that mpd5 related panic, but mpd5 work wit= h another re interface interated on MB. I think it may be em related panic,= or em+mpd5. >=20 > The latest panic I saw didnt have anything to do with em. Are you sure > your crashes are because of the nic drive ? >=20 > The latest I saw was on Friday. >=20 > # kgdb /usr/obj/usr/src/sys/router/kernel.debug vmcore.11 > (kgdb) bt > #0 doadump () at pcpu.h:231 > #1 0xc04a51f9 in db_fncall (dummy1=3D1, dummy2=3D0, dummy3=3D-1063333856, > dummy4=3D0xc6b9696c "") at /usr/src/sys/ddb/db_command.c:548 > #2 0xc04a55f1 in db_command (last_cmdp=3D0xc096f73c, cmd_table=3D0x0, > dopager=3D1) at /usr/src/sys/ddb/db_command.c:445 > #3 0xc04a574a in db_command_loop () at /usr/src/sys/ddb/db_command.c:498 > #4 0xc04a764d in db_trap (type=3D12, code=3D0) at > /usr/src/sys/ddb/db_main.c:229 > #5 0xc068ba7e in kdb_trap (type=3D12, code=3D0, tf=3D0xc6b96b94) at > /usr/src/sys/kern/subr_kdb.c:546 > #6 0xc088056f in trap_fatal (frame=3D0xc6b96b94, eva=3D52) at > /usr/src/sys/i386/i386/trap.c:937 > #7 0xc0880830 in trap_pfault (frame=3D0xc6b96b94, usermode=3D0, eva=3D52= ) at > /usr/src/sys/i386/i386/trap.c:859 > #8 0xc0880d4a in trap (frame=3D0xc6b96b94) at > /usr/src/sys/i386/i386/trap.c:532 > #9 0xc086716c in calltrap () at /usr/src/sys/i386/i386/exception.s:166 > #10 0xc0657a16 in uihold (uip=3D0x0) at /usr/src/sys/kern/kern_resource.c= :1248 > #11 0xc0654ec9 in crcopy (dest=3D0xce3ee800, src=3D0xce3ee600) at > /usr/src/sys/kern/kern_prot.c:1873 > #12 0xc0654fd1 in crcopysafe (p=3D0xc90cc810, cr=3D0xce3ee800) at > /usr/src/sys/kern/kern_prot.c:1950 > #13 0xc0656d7f in seteuid (td=3D0xc9196b80, uap=3D0xc6b96cec) at > /usr/src/sys/kern/kern_prot.c:615 > #14 0xc06985ff in syscallenter (td=3D0xc9196b80, sa=3D0xc6b96ce4) at > /usr/src/sys/kern/subr_trap.c:315 > #15 0xc0880884 in syscall (frame=3D0xc6b96d28) at > /usr/src/sys/i386/i386/trap.c:1061 > #16 0xc08671d1 in Xint0x80_syscall () at > /usr/src/sys/i386/i386/exception.s:264 > #17 0x00000033 in ?? () >=20 > (kgdb) frame 10 > #10 0xc0657a16 in uihold (uip=3D0x0) at /usr/src/sys/kern/kern_resource.c= :1248 > 1248 { > (kgdb) list > 1243 * Place another refcount on a uidinfo struct. > 1244 */ > 1245 void > 1246 uihold(uip) > 1247 struct uidinfo *uip; > 1248 { > 1249 > 1250 refcount_acquire(&uip->ui_ref); > 1251 } > 1252 > (kgdb) p *uip > Cannot access memory at address 0x0 > (kgdb) p uip > $1 =3D (struct uidinfo *) 0x0 > (kgdb) Is this reproducable ? What system version is it ? Could you, please, go to frame 12 and show the output of "p *p", "p *(p->p_ucred)" ? --uIetXajv+QHHV+2h Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (FreeBSD) iEYEARECAAYFAk1i1L8ACgkQC3+MBN1Mb4iWjQCdGtiGPTrEYq5J8OXDcGCZUHyz F54AoIP0E6k99wX7IjPdqwydwakY/85D =lR70 -----END PGP SIGNATURE----- --uIetXajv+QHHV+2h--