From owner-freebsd-fs@FreeBSD.ORG Wed Jul 6 00:51:28 2005 Return-Path: X-Original-To: fs@freebsd.org Delivered-To: freebsd-fs@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 37AF216A41C for ; Wed, 6 Jul 2005 00:51:28 +0000 (GMT) (envelope-from skylar@cs.earlham.edu) Received: from quark.cs.earlham.edu (cs.earlham.edu [159.28.230.3]) by mx1.FreeBSD.org (Postfix) with ESMTP id BD5FB43D55 for ; Wed, 6 Jul 2005 00:51:27 +0000 (GMT) (envelope-from skylar@cs.earlham.edu) Received: from quark.cs.earlham.edu (localhost [127.0.0.1]) by quark.cs.earlham.edu (8.13.4/8.13.3) with ESMTP id j660pNQl086965 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 5 Jul 2005 19:51:23 -0500 (EST) (envelope-from skylar@cs.earlham.edu) Received: (from skylar@localhost) by quark.cs.earlham.edu (8.13.4/8.13.3/Submit) id j660pNGw086964; Tue, 5 Jul 2005 19:51:23 -0500 (EST) (envelope-from skylar@cs.earlham.edu) X-Authentication-Warning: quark.cs.earlham.edu: skylar set sender to skylar@quark.cs.earlham.edu using -f Date: Tue, 5 Jul 2005 19:51:23 -0500 From: Skylar Thompson To: Kris Kennaway Message-ID: <20050706005123.GA86915@quark.cs.earlham.edu> References: <20050626182031.GA5268@quark.cs.earlham.edu> <20050701130315.C52686@duey.wolves.k12.mo.us> <42C6C873.8050808@cs.earlham.edu> <86k6k8yxf2.fsf@xps.des.no> <20050705175559.GA70037@quark.cs.earlham.edu> <20050705192932.GA46543@xor.obsecurity.org> <42CB26A2.5000300@cs.earlham.edu> <20050706003858.GA29780@xor.obsecurity.org> <20050706004410.GA86565@quark.cs.earlham.edu> <20050706004635.GA29934@xor.obsecurity.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="EVF5PPMfhYS0aIcm" Content-Disposition: inline In-Reply-To: <20050706004635.GA29934@xor.obsecurity.org> User-Agent: Mutt/1.4.2.1i X-Sender: "Skylar Thompson" X-Accept-Primary-Language: en X-Accept-Secondary-Language: es SMTP-Mailing-Host: quark.cs.earlham.edu X-Operating-System: FreeBSD 5.4-RELEASE-p1 X-Uptime: 7:50PM up 9 days, 36 mins, 14 users, load averages: 0.12, 0.21, 0.24 X-Editor: VIM - Vi IMproved 6.3 (2004 June 7, compiled May 14 2005 15:15:17) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-1.6 (quark.cs.earlham.edu [127.0.0.1]); Tue, 05 Jul 2005 19:51:23 -0500 (EST) X-Virus-Scanned: ClamAV 0.86.1/967/Mon Jul 4 16:36:05 2005 on quark.cs.earlham.edu X-Virus-Status: Clean X-Sanitizer: This message has passed the MIMEDefang sanitizer. X-Sanitizer-URL: http://www.cs.earlham.edu/applied-groups/admin/ X-Sanitizer-Version: MIMEDefang/ECSanitizer $Revision: 1.18 $ X-Sanitizer-Config-Version: $Revision: 1.180 $ X-Scanned-By: MIMEDefang 2.51 on 192.168.0.3 X-Spam-Status: No, score=-2.8 required=8.0 tests=ALL_TRUSTED autolearn=failed version=3.0.4 X-Spam-Checker-Version: SpamAssassin 3.0.4 (2005-06-05) on quark.cs.earlham.edu Cc: fs@freebsd.org Subject: Re: Snapshot problems X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Skylar Thompson List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 06 Jul 2005 00:51:28 -0000 --EVF5PPMfhYS0aIcm Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Jul 05, 2005 at 08:46:35PM -0400, Kris Kennaway wrote: > On Tue, Jul 05, 2005 at 07:44:10PM -0500, Skylar Thompson wrote: > > On Tue, Jul 05, 2005 at 08:38:58PM -0400, Kris Kennaway wrote: > > > On Tue, Jul 05, 2005 at 07:32:34PM -0500, Skylar Thompson wrote: > > > > Kris Kennaway wrote: > > > >=20 > > > > > > > > > >When you break to DDB, what processes are running or blocked? > > > > >=20 > > > > > > > > >=20 > > > > Running: > > > > ypbind > > > > cron > > > > tail > > > > atalkd > > > > python (Mailman) > > > > cron > > > > httpd > > > > sshd > > > > rwhod > > > > ypserv > > > > syncer > > > >=20 > > > > I don't see any processes in a blocked state, unless SLPQ or IWAIT = or=20 > > > > blocking states. > > >=20 > > > Try 'show lockedvnods' and trace the listed processes. > >=20 > > There's just one: > >=20 > > Locked vnodes > > 0xc2383e70: tag ufs, type VREG, usecount 0, writecount 0, refcount 2, f= lags > > (VVOBJBUF), lock type ufs: EXCL (count 1) by thread 0xc25b5180 (pid 528= 4) > > ino 23945, on dev aacd0s1a > >=20 > > pid 5284 corresponds to a running cron process. >=20 > And the trace? Sorry about that. Here it is: Tracing pid 5284 tid 100171 td 0xc25b5180 sched switch(c0753480) at sched switch+0x143 Xcpustop() at Xcpustop+0x41 --=20 -- Skylar Thompson (skylar@cs.earlham.edu) -- http://www.cs.earlham.edu/~skylar/ --EVF5PPMfhYS0aIcm Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (FreeBSD) iD8DBQFCyysLsc4yyULgN4YRAlAIAJ4nSDIlixOveCpR9D/+HZzNPMiKFACgppni +eQ9IZ0F9ElVKcP4ybsfvE8= =gUeE -----END PGP SIGNATURE----- --EVF5PPMfhYS0aIcm--