From: Artem Bityutskiy Subject: Re: [PATCH v1 0/9] do not use s_dirt in ext4 Date: Fri, 30 Mar 2012 18:43:15 +0300 Message-ID: <1333122195.5440.60.camel@sauron.fi.intel.com> References: <1332254489-2300-1-git-send-email-dedekind1@gmail.com> <20120322095342.GC14485@quack.suse.cz> <1332410747.18717.12.camel@sauron.fi.intel.com> <20120322103309.GA14484@quack.suse.cz> <1332854998.31549.40.camel@sauron.fi.intel.com> <20120327201401.GF5020@quack.suse.cz> <1333121035.5440.49.camel@sauron.fi.intel.com> <20120330153530.GH5587@quack.suse.cz> Reply-To: dedekind1@gmail.com Mime-Version: 1.0 Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-SUsM4MwbD4bL9dz+dA+g" Cc: Ted Tso , Ext4 Mailing List , Linux FS Maling List , Linux Kernel Maling List To: Jan Kara Return-path: Received: from mga01.intel.com ([192.55.52.88]:7069 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751393Ab2C3Pke (ORCPT ); Fri, 30 Mar 2012 11:40:34 -0400 In-Reply-To: <20120330153530.GH5587@quack.suse.cz> Sender: linux-ext4-owner@vger.kernel.org List-ID: --=-SUsM4MwbD4bL9dz+dA+g Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Fri, 2012-03-30 at 17:35 +0200, Jan Kara wrote: > > [23500.239442] [] write_dirty_buffer+0x4d/0x80 > > [23500.239442] [] __flush_batch+0x4d/0xa0 > > [23500.239442] [] jbd2_log_do_checkpoint+0xf5/0x4f0 > > [23500.239442] [] __jbd2_log_wait_for_space+0x89/0x1= 90 > > [23500.239442] [] start_this_handle+0x3a8/0x4e0 > > [23500.239442] [] ? remove_wait_queue+0x50/0x50 > > [23500.239442] [] jbd2__journal_start+0xc3/0x100 > > [23500.239442] [] jbd2_journal_start+0x13/0x20 > > [23500.239442] [] ext4_journal_start_sb+0x7f/0x1d0 > > [23500.239442] [] ? ext4_fallocate+0x1a4/0x530 > > [23500.239442] [] ? ext4_meta_trans_blocks+0xa5/0xb0 > > [23500.239442] [] ext4_fallocate+0x1a4/0x530 > > [23500.239442] [] do_fallocate+0xf2/0x160 > > [23500.239442] [] sys_fallocate+0x4b/0x70 > > [23500.239442] [] system_call_fastpath+0x16/0x1b > > [23500.239442] Code: ee 44 89 e7 e8 35 1f 0f 00 49 8b 5d 18 4c 89 ef e8= 19 4e 00 00 48 83 c4 08 c1 e3 18 c1 fb 1f 83 e3 a1 89 d8 5b 41 5c 41 5d 5d= c3 <0f> 0b 0f 0b 0f 0b 0f 0b 0f 0b 66 0f 1f 84 00 00 00 00 00 55 48=20 > > [23500.239442] RIP [] submit_bh+0x10d/0x120 > > [23500.239442] RSP > > [23500.261657] ---[ end trace 3db7a7a7ae953551 ]--- > Hmm, looks like we tried to checkpoint BH_Unwritten buffer. That looks > like a bug in fallocate() support. Not really related but definitely wort= h > reporting. Well, I ran vanilla the tests in vanilla 3.3 overnight, they were fine. But may be I was lucky. I'll try to run the tests with vanilla kernel some more. I mean, it would make more sense to report something against vanilla 3.3, not a patched 3.3. Any hints how to properly report an ext4 bug? --=20 Best Regards, Artem Bityutskiy --=-SUsM4MwbD4bL9dz+dA+g Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAABAgAGBQJPddSTAAoJECmIfjd9wqK0DrMP/0lAMmGzzu/GCNR7hcMdCnJ9 pIO8HY+3LekQO44m0oZTKDcUY4iDewfO+NszE/4MQn7fA6pdWrvn6tutyIYdRMkm RW9QrlQSxWwFp0EUr4XAHbuiEQd+NMf/+aYh3tbKdznP1TsZUls+hXLXe805EpsI B6jgQli01+5oWo8+rBhRCnZU8kbyYlPgnnOUB+ebHce171Cf0ovjslw2rHxZF0Eh BbMfGv2P5E3vLcPm6zPWj5TWBIiV4qQnTwpJFVwuMsPNRPIntYOxBeKQXbrYYHFA wMhS0m8JWIsVt1iD57slrIKLV8+ytsEXd1H1eFdgKQcjt3rFwYBCfuqjyuGODTaK q8ci5kRjVeTJp3bKy7p2t1ALEf50D/RJhPIYFxg3EwqgkP6us+X4Hf9EFaMUq0CT mrg1FSWwbG+VU+5HDpc1DHo9ZV5KLIfmaj4VwB1w7WLqDmeFPjt5MkfvzHxO9fuQ Cy93RXvcqtUxcynYisYowqiS73o/fzsxhAZ+mUFLuWyxW8fJ8GySc/PPQI/dPlv+ UcINTnzQWO1pW0XuxMfvIAnSyi07Hufj3lB3h5ZILtvjToZBosAyAKyKwIFNxuXt cNga7qKW6jTT+9By5PHmEc0ABUqdSaIIyYnEsQC7TJFg33/MFxqne8f/lxMDwOyl /wmt/Eg5YXBtlPQQrX2J =FgRr -----END PGP SIGNATURE----- --=-SUsM4MwbD4bL9dz+dA+g--