Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757313Ab2JaMsf (ORCPT ); Wed, 31 Oct 2012 08:48:35 -0400 Received: from gwu.lbox.cz ([62.245.111.132]:50865 "EHLO gwu.lbox.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751588Ab2JaMsc (ORCPT ); Wed, 31 Oct 2012 08:48:32 -0400 Date: Wed, 31 Oct 2012 13:46:00 +0100 From: Nikola Ciprich To: Jan Kara Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Nikola Ciprich Subject: Re: BUG: enabling psacct breaks fsfreeze Message-ID: <20121031124600.GM20752@pcnci.linuxbox.cz> References: <20121023094351.GC27919@pcnci.linuxbox.cz> <20121031121517.GD18424@quack.suse.cz> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="fDP66DSfTvWAYVew" Content-Disposition: inline In-Reply-To: <20121031121517.GD18424@quack.suse.cz> User-Agent: Mutt/1.5.21 (2011-07-01) X-Antivirus: on lbxovapx by Kaspersky antivirus, 7966382 records (last update: 20121031) X-Spam-Score: N/A (imported whitelist) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1917 Lines: 68 --fDP66DSfTvWAYVew Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi Jan, thanks for the reply, sure, I'll gather and post requested info. One more note before that, the problem is with psacct, not audit - psacct if I'm not mistaken (and as opposed to audit) doesn't use any userspace, kernel dumps information directly to fs,=20 which might the reason for deadlock.. BR nik > > Should more debugging information be needed, I'll be glad to provide wh= atever I can.. > Thanks for report. Hum, I'm not sure how the deadlock can happen because > AFAIU audit sends a message via netlink to userspace and whatever audit > daemon does with it is its private thing. Can you please run: > echo w >/proc/sysrq-trigger > after the machine deadlocks and then take dmesg and attach it here? You'll > have to have the shell prepared and use serial console / netconsole to ga= ther > dmesg or try your luck with copying via ssh / netcat. >=20 > Honza > --=20 > Jan Kara > SUSE Labs, CR >=20 --=20 ------------------------------------- Ing. Nikola CIPRICH LinuxBox.cz, s.r.o. 28.rijna 168, 709 00 Ostrava tel.: +420 591 166 214 fax: +420 596 621 273 mobil: +420 777 093 799 www.linuxbox.cz mobil servis: +420 737 238 656 email servis: servis@linuxbox.cz ------------------------------------- --fDP66DSfTvWAYVew Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (GNU/Linux) iEYEARECAAYFAlCRHYgACgkQ3xdJJrLygV5sXgCfbK17AiHMUhZPyu6I7GcfzkZJ TPQAoLuxl+e1SX6iPDYPGZ/lLKFlRicX =IZph -----END PGP SIGNATURE----- --fDP66DSfTvWAYVew-- -- 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/