From owner-freebsd-stable@FreeBSD.ORG Wed May 14 08:50:56 2008 Return-Path: Delivered-To: stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id EABE31065679 for ; Wed, 14 May 2008 08:50:56 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from relay03.kiev.sovam.com (relay03.kiev.sovam.com [62.64.120.201]) by mx1.freebsd.org (Postfix) with ESMTP id 8A9768FC20 for ; Wed, 14 May 2008 08:50:56 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from [212.82.216.226] (helo=skuns.kiev.zoral.com.ua) by relay03.kiev.sovam.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.67) (envelope-from ) id 1JwChK-000OTi-Ho for stable@freebsd.org; Wed, 14 May 2008 11:50:54 +0300 Received: from deviant.kiev.zoral.com.ua (root@deviant.kiev.zoral.com.ua [10.1.1.148]) by skuns.kiev.zoral.com.ua (8.14.2/8.14.2) with ESMTP id m4E8oRAU016128 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 14 May 2008 11:50:28 +0300 (EEST) (envelope-from kostikbel@gmail.com) Received: from deviant.kiev.zoral.com.ua (kostik@localhost [127.0.0.1]) by deviant.kiev.zoral.com.ua (8.14.2/8.14.2) with ESMTP id m4E8oPPb042309; Wed, 14 May 2008 11:50:25 +0300 (EEST) (envelope-from kostikbel@gmail.com) Received: (from kostik@localhost) by deviant.kiev.zoral.com.ua (8.14.2/8.14.2/Submit) id m4E8oPNd042308; Wed, 14 May 2008 11:50:25 +0300 (EEST) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: deviant.kiev.zoral.com.ua: kostik set sender to kostikbel@gmail.com using -f Date: Wed, 14 May 2008 11:50:25 +0300 From: Kostik Belousov To: Ben Stuyts Message-ID: <20080514085025.GL18958@deviant.kiev.zoral.com.ua> References: <7A0780B6-AD8E-440B-BFDB-EC2C4ACA1A70@altus-escon.com> <4829F1B8.1000707@delphij.net> <11D2E346-752B-4F61-979E-1D64FB34ED34@altus-escon.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="QIAmslimH5K9Znqb" Content-Disposition: inline In-Reply-To: <11D2E346-752B-4F61-979E-1D64FB34ED34@altus-escon.com> User-Agent: Mutt/1.4.2.3i X-Virus-Scanned: ClamAV version 0.91.2, clamav-milter version 0.91.2 on skuns.kiev.zoral.com.ua X-Virus-Status: Clean X-Spam-Status: No, score=-4.4 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 autolearn=ham version=3.2.4 X-Spam-Checker-Version: SpamAssassin 3.2.4 (2008-01-01) on skuns.kiev.zoral.com.ua X-Scanner-Signature: 4fe2b897d4d72954524b6b73d18f8617 X-DrWeb-checked: yes X-SpamTest-Envelope-From: kostikbel@gmail.com X-SpamTest-Group-ID: 00000000 X-SpamTest-Header: Not Detected X-SpamTest-Info: Profiles 2810 [May 13 2008] X-SpamTest-Info: helo_type=3 X-SpamTest-Method: none X-SpamTest-Rate: 0 X-SpamTest-Status: Not detected X-SpamTest-Status-Extended: not_detected X-SpamTest-Version: SMTP-Filter Version 3.0.0 [0278], KAS30/Release Cc: stable@freebsd.org, d@delphij.net Subject: Re: Panic after hung rsync, probably zfs related X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 14 May 2008 08:50:57 -0000 --QIAmslimH5K9Znqb Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, May 14, 2008 at 10:39:36AM +0200, Ben Stuyts wrote: >=20 > On 13 mei 2008, at 21:53, Xin LI wrote: >=20 > >| While doing an rsync from a zfs filesystem to an external usb hd =20 > >(also > >| zfs), the rsync processes hung in zfs state. I could not kill these > >| processes, although the rest of the server seemingly continued to =20 > >run > >| fine. The reboot command did not work. Next I tried a shutdown now > >| command. This caused a panic: > > > >Sound like you somehow run out of memory, there is an known issue with > >ZFS which causes livelock when there is memory pressure. Which rsync > >version are you using? With rsync 3.x the memory usage would drop > >drastically which would help to prevent this from happening. >=20 > I'm running rsync 3.0.0. Two weeks ago I already increased the memory =20 > in this machine from 4 to 8 GB, but I did not change any loader.conf =20 > variables. >=20 > BTW, The wired memory goes all over the place in this machine: even =20 > when it's mostly idle it varies between 300 MB and 3.5 GB. That's why =20 > I added 4 more GB. 3.5Gb wired ? Do you run amd64 ? Does wired memory drops lower after you change the load ? --QIAmslimH5K9Znqb Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (FreeBSD) iEYEARECAAYFAkgqp9AACgkQC3+MBN1Mb4jlrgCffex2lnSLoSUMWgZdvRoF2vqK o18AoMiofyVjN8ZXGu1c+UeoQsL0ZHXE =hbGB -----END PGP SIGNATURE----- --QIAmslimH5K9Znqb--