From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030204AbWFAPgV (ORCPT ); Thu, 1 Jun 2006 11:36:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030203AbWFAPgV (ORCPT ); Thu, 1 Jun 2006 11:36:21 -0400 Received: from nf-out-0910.google.com ([64.233.182.186]:18498 "EHLO nf-out-0910.google.com") by vger.kernel.org with ESMTP id S1030204AbWFAPgU (ORCPT ); Thu, 1 Jun 2006 11:36:20 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:user-agent:mime-version:to:cc:subject:references:in-reply-to:x-enigmail-version:content-type:content-transfer-encoding; b=uE9JEiohsTRMWxW5q5Fasq7bIM0sEOeDtAhLp1tqg5bZMGRPCY6Gaqk5nRA00aCvLUDR4Daj7uJihxVacX5nUvlfkk8ujfx4Rn54eSanuMPXmK5ShWzJTmAEOHyeEVR+8nj1KuN+eFfa65jjZvJKJyBN8bIAyOAh1P6ewtndBL0= Message-ID: <447F0905.8020600@gmail.com> Date: Thu, 01 Jun 2006 17:34:06 +0159 From: Jiri Slaby User-Agent: Thunderbird 1.5.0.2 (X11/20060501) MIME-Version: 1.0 To: Andrew Morton CC: linux-kernel@vger.kernel.org, Arjan van de Ven , scjody@modernduck.com, bcollins@debian.org, linux1394-devel@lists.sourceforge.net Subject: Re: 2.6.17-rc5-mm2 References: <20060601014806.e86b3cc0.akpm@osdl.org> In-Reply-To: <20060601014806.e86b3cc0.akpm@osdl.org> X-Enigmail-Version: 0.94.0.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Andrew Morton napsal(a): > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.17-rc5/2.6.17-rc5-mm2/ > Hello, just another locking bug, I wonder if this wasn't discussed yet, but I can't find it. ============================ [ BUG: illegal lock usage! ] ---------------------------- illegal {hardirq-on-W} -> {in-hardirq-R} usage. events/0/8 [HC1[1]:SC0[0]:HE0:SE1] takes: (hl_irqs_lock){--+.}, at: [] highlevel_host_reset+0x15/0x63 [ieee1394] {hardirq-on-W} state was registered at: [] lockdep_acquire+0x59/0x6e [] _write_lock+0x3e/0x4c [] hpsb_register_highlevel+0xe1/0x123 [ieee1394] [] init_csr+0x2f/0x46 [ieee1394] [] 0xf883a1a8 [] sys_init_module+0x151/0x1c97 [] syscall_call+0x7/0xb irq event stamp: 380 hardirqs last enabled at (379): [] restore_nocheck+0x12/0x15 hardirqs last disabled at (380): [] common_interrupt+0x1b/0x2c softirqs last enabled at (0): [] copy_process+0x577/0x157e softirqs last disabled at (0): [<00000000>] 0x0 other info that might help us debug this: no locks held by events/0/8. stack backtrace: [] show_trace+0x1b/0x1d [] dump_stack+0x26/0x28 [] print_usage_bug+0x22a/0x234 [] mark_lock+0x565/0x6b0 [] __lockdep_acquire+0x3b8/0xc3b [] lockdep_acquire+0x59/0x6e [] _read_lock+0x3e/0x4c [] highlevel_host_reset+0x15/0x63 [ieee1394] [] hpsb_selfid_complete+0x222/0x2fe [ieee1394] [] ohci_irq_handler+0x705/0x9d2 [ohci1394] [] handle_IRQ_event+0x31/0x65 [] handle_fasteoi_irq+0x6f/0xc8 [] do_IRQ+0x61/0x87 ======================= [] common_interrupt+0x25/0x2c [] set_phy_reg+0x94/0x107 [ohci1394] [] ohci_devctl+0x43a/0x651 [ohci1394] [] hpsb_reset_bus+0x34/0x38 [ieee1394] [] delayed_reset_bus+0xa5/0xf3 [ieee1394] [] run_workqueue+0x7e/0xf5 [] worker_thread+0x130/0x14b [] kthread+0xc5/0xea [] kernel_thread_helper+0x5/0xb -- Jiri Slaby www.fi.muni.cz/~xslaby \_.-^-._ jirislaby@gmail.com _.-^-._/ B67499670407CE62ACC8 22A032CC55C339D47A7E