Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1423376AbWBBIKV (ORCPT ); Thu, 2 Feb 2006 03:10:21 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1423373AbWBBIKU (ORCPT ); Thu, 2 Feb 2006 03:10:20 -0500 Received: from smtp06.auna.com ([62.81.186.16]:37068 "EHLO smtp06.retemail.es") by vger.kernel.org with ESMTP id S1423376AbWBBIKS (ORCPT ); Thu, 2 Feb 2006 03:10:18 -0500 Date: Thu, 2 Feb 2006 09:15:14 +0100 From: "J.A. Magallon" To: Neil Brown Cc: linux-kernel@vger.kernel.org Subject: Re: 2.6.16-rc1-mm4 i386 atomic operations broken on SMP (in modules at least) Message-ID: <20060202091514.5e9f356e@werewolf.auna.net> In-Reply-To: <17377.25947.81994.747575@cse.unsw.edu.au> References: <17377.24090.486443.865483@cse.unsw.edu.au> <20060202023550.46f06ee1@werewolf.auna.net> <17377.25947.81994.747575@cse.unsw.edu.au> X-Mailer: Sylpheed-Claws 2.0.0cvs2 (GTK+ 2.8.11; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_=jqG=qXohmarldhYEgD5URB"; protocol="application/pgp-signature"; micalg=PGP-SHA1 X-Auth-Info: Auth:LOGIN IP:[83.138.209.184] Login:jamagallon@able.es Fecha:Thu, 2 Feb 2006 09:10:16 +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3417 Lines: 105 --Sig_=jqG=qXohmarldhYEgD5URB Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Thu, 2 Feb 2006 12:50:19 +1100, Neil Brown wrote: > On Thursday February 2, jamagallon@able.es wrote: > > On Thu, 2 Feb 2006 12:19:22 +1100, Neil Brown wrote: > >=20 > > >=20 > > > I've been testing md/raid in 2.6.16-rc1-mm4 on a dual Xeon with most > > > of the md personalities compiled as modules, and weird stuff if > > > happening. > > >=20 > > > In particular I'm getting lots of=20 > > >=20 > > > BUG: atomic counter underflow at: > > >=20 > > > reports in raid10 and raid5, which are modules. > > >=20 > > > > >=20 > > I also run this kernel (plus a couple patches) on a SATA raid5 setup, a= nd > > had no problems. People throws and gets files via SMB/AFP, mainly. > >=20 > > My box is dual PIII@933. >=20 > Is 'raid5' a module, or is it compiled in? >=20 nada:/usr/src/linux# grep _MD_ .config CONFIG_MD_LINEAR=3Dy CONFIG_MD_RAID0=3Dy CONFIG_MD_RAID1=3Dy CONFIG_MD_RAID10=3Dy CONFIG_MD_RAID5=3Dy CONFIG_MD_RAID6=3Dy CONFIG_MD_MULTIPATH=3Dm # CONFIG_MD_FAULTY is not set nada:/usr/src/linux# lsmod Module Size Used by w83627hf 22512 0=20 hwmon_vid 2016 1 w83627hf i2c_isa 3392 1 w83627hf i2c_viapro 7188 0=20 i2c_core 16640 3 w83627hf,i2c_isa,i2c_viapro snd_ens1371 18656 0=20 snd_rawmidi 17312 1 snd_ens1371 snd_ac97_codec 87744 1 snd_ens1371 snd_ac97_bus 1760 1 snd_ac97_codec snd_pcm 72772 2 snd_ens1371,snd_ac97_codec snd_timer 18724 1 snd_pcm snd_page_alloc 7784 1 snd_pcm snd 38104 5 snd_ens1371,snd_rawmidi,snd_ac97_codec,snd_= pcm,snd_timer e100 31620 0=20 ide_cd 35264 0=20 loop 11816 0=20 via82cxxx 8132 0 [permanent] ide_core 109844 2 ide_cd,via82cxxx via_agp 7584 1=20 agpgart 25352 1 via_agp microcode 5592 0=20 sata_promise 8868 7=20 libata 63956 1 sata_promise uhci_hcd 20044 0=20 sg 20984 0=20 st 34880 0=20 sr_mod 14020 0=20 cdrom 34320 2 ide_cd,sr_mod nada:/usr/src/linux# grep BUG /var/log/syslog nada:/usr/src/linux# grep BUG /var/log/messages nada:/usr/src/linux#=20 ;) -- J.A. Magallon \ Software is like se= x: werewolf!able!es \ It's better when it's fr= ee Mandriva Linux release 2006.1 (Cooker) for i586 Linux 2.6.15-jam7 (gcc 4.0.2 (4.0.2-1mdk for Mandriva Linux release 2006.1)) --Sig_=jqG=qXohmarldhYEgD5URB Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (GNU/Linux) iD8DBQFD4b+SRlIHNEGnKMMRAgYsAJ9RD3M9zGliX1kdu7JsOjxNEHJ0wQCeJ8CP cvE5ykNg0YF7ykADAo8LbY4= =Obis -----END PGP SIGNATURE----- --Sig_=jqG=qXohmarldhYEgD5URB-- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/