From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263057AbTKJJJk (ORCPT ); Mon, 10 Nov 2003 04:09:40 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263077AbTKJJJk (ORCPT ); Mon, 10 Nov 2003 04:09:40 -0500 Received: from nagatino-gw.corbina.net ([195.14.53.90]:41979 "EHLO gw.home.net") by vger.kernel.org with ESMTP id S263057AbTKJJJi (ORCPT ); Mon, 10 Nov 2003 04:09:38 -0500 Date: Mon, 10 Nov 2003 12:12:25 +0300 From: Alex Tomas To: Alex Lyashkov Cc: Jan Kara , Andrew Morton , linux-kernel@vger.kernel.org, Herbert Poetzl Subject: Re: [BUG] journal handler reference count breaked and fs deadlocked Message-Id: <20031110121225.19daf448.bzzz@bzzz.linuxhacker.ru> In-Reply-To: <200311092334.01957.shadow@itt.net.ru> References: <200311092334.01957.shadow@itt.net.ru> Organization: HOME X-Mailer: Sylpheed version 0.9.6claws (GTK+ 1.2.10; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org what system did that time? mount options? On Sun, 9 Nov 2003 23:34:00 +0200 Alex Lyashkov wrote: > Hello All > > I try locate what are point where fs deadlocked. > after recompile kernel with debug jbd and set debug level to 100 i log kernel > via serial console > after deadlock - i see in log > ============== > journal.c, 581): log_start_commit: JBD: requesting commit 501252/501251 > (journal.c, 608): log_wait_commit: JBD: want 501252, j_commit_sequence=501251 > (journal.c, 263): kjournald: kjournald wakes > (journal.c, 238): kjournald: commit_sequence=501251, commit_request=501252 > (journal.c, 242): kjournald: OK, requests differ > (commit.c, 81): journal_commit_transaction: JBD: starting commit of > transaction 501252 > (commit.c, 87): journal_commit_transaction: wait updates....... > (transaction.c, 567): do_get_write_access: buffer_head c79f2e70, force_copy 0 > (revoke.c, 375): journal_cancel_revoke: journal_head c79f2e70, cancelling > revoke > (transaction.c, 567): do_get_write_access: buffer_head c79f2e70, force_copy 0 > (revoke.c, 375): journal_cancel_revoke: journal_head c79f2e70, cancelling > revoke > (transaction.c, 1104): journal_dirty_metadata: journal_head c79f2e70 > (transaction.c, 1392): journal_stop: h_ref 2 -> 1 > ============== > i think it`s reason fs deadlocked, because wait query not be waked :-\ > if i right - it very big problem on ext3.. > other logs\infos can be created after request.... > > > -- > With best regards, > Alex > - > 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/