From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from len.romanrm.net ([176.31.121.172]:59228 "EHLO len.romanrm.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751901Ab2ILVXN (ORCPT ); Wed, 12 Sep 2012 17:23:13 -0400 Received: from natsu (unknown [IPv6:fd14:8086:1337:1:1e6f:65ff:fea1:3ea6]) by len.romanrm.net (Postfix) with ESMTPS id 20F642038F for ; Wed, 12 Sep 2012 21:23:12 +0000 (UTC) Date: Thu, 13 Sep 2012 03:23:10 +0600 From: Roman Mamedov To: Linux Btrfs Subject: Re: Deadlock in btrfs-cleaner, related to snapshot deletion Message-ID: <20120913032310.75088ea9@natsu> In-Reply-To: <505059E4.1080903@oracle.com> References: <20120912135315.32d670c2@natsu> <505059E4.1080903@oracle.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/py=2Ej9qs=8d1GdhNSruqnY"; protocol="application/pgp-signature" Sender: linux-btrfs-owner@vger.kernel.org List-ID: --Sig_/py=2Ej9qs=8d1GdhNSruqnY Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Wed, 12 Sep 2012 17:46:12 +0800 Liu Bo wrote: > I try to figure out where goes wrong, but the listed stacks seems to be n= ot enough for solving the deadlock, > so could you please use a lockdep debug kernel and post the result here?= =20 Hello, Thanks; I have saved the problematic FS into an image file, and will try to= run some experiments with it in a VM a bit later. Also I will have to read up on how to properly use lockdep to get debug information. --=20 With respect, Roman ~~~~~~~~~~~~~~~~~~~~~~~~~~~ "Stallman had a printer, with code he could not see. So he began to tinker, and set the software free." --Sig_/py=2Ej9qs=8d1GdhNSruqnY Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iEYEARECAAYFAlBQ/T4ACgkQTLKSvz+PZwgiMgCfb9q2o4bqNs4J4MtcQbgoVGFi xTwAn0LNQy/jHCNNfWIx7HNhS/giF5Fs =7f3H -----END PGP SIGNATURE----- --Sig_/py=2Ej9qs=8d1GdhNSruqnY--