Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266533AbUFVAXX (ORCPT ); Mon, 21 Jun 2004 20:23:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266534AbUFVAXX (ORCPT ); Mon, 21 Jun 2004 20:23:23 -0400 Received: from fw.osdl.org ([65.172.181.6]:61065 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S266533AbUFVAXV (ORCPT ); Mon, 21 Jun 2004 20:23:21 -0400 Date: Mon, 21 Jun 2004 17:26:11 -0700 From: Andrew Morton To: Tom Vier Cc: linux-kernel@vger.kernel.org Subject: Re: 2.6.7: preempt + sysfs = BUG on ppc Message-Id: <20040621172611.420ff9f9.akpm@osdl.org> In-Reply-To: <20040621234425.GA24935@zero> References: <20040620153922.GA20103@zero> <20040620144906.095a4f93.akpm@osdl.org> <20040621234425.GA24935@zero> X-Mailer: Sylpheed version 0.9.7 (GTK+ 1.2.10; i586-pc-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 Content-Length: 1908 Lines: 45 Tom Vier wrote: > > On Sun, Jun 20, 2004 at 02:49:06PM -0700, Andrew Morton wrote: > > > kernel BUG in fill_read_buffer at fs/sysfs/file.c:92! > > > > Please add this patch, then retest: > > > > --- 25/fs/sysfs/file.c~sysfs-overflow-debug 2004-06-20 14:44:44.272707136 -0700 > > +++ 25-akpm/fs/sysfs/file.c 2004-06-20 14:48:23.580367304 -0700 > > here ya go. it's /sys/class/net/eth1/wireless/beacon. that's for my airport > card (apple branded lucent chip). i would look at its sysfs code, but i'm > not familiar with it at all (and i'm busy). What device driver is this thing using? > > fill_read_buffer: show handler overrun > ->show handler: 0xc010e38c (class_device_attr_show+0x0/0x48) > kernel BUG in fill_read_buffer at fs/sysfs/file.c:99! > Oops: Exception in kernel mode, sig: 5 [#1] > PREEMPT > NIP: C00968EC LR: C00968EC SP: D19A7EA0 REGS: d19a7df0 TRAP: 0700 Not tainted > MSR: 00029032 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11 > TASK = d1366d80[878] 'rsync' THREAD: d19a6000Last syscall: 3 > GPR00: C00968EC D19A7EA0 D1366D80 00000001 00001AE3 FFFFFFFF C02D9674 C02D970C > GPR08: 0019377F C0290000 00000000 D19A6000 80008424 1004CFE4 00000000 00000004 > GPR16: 10057B08 10040000 10057880 00000000 00001000 FFFFFFFF 00001000 00000000 > GPR24: 00001000 00000000 00000000 00000000 C025DFCC CB2598FC C079F1A8 FFFFFFEA > NIP [c00968ec] fill_read_buffer+0xe0/0xf8 > LR [c00968ec] fill_read_buffer+0xe0/0xf8 > Call trace: > [c0096a6c] sysfs_read_file+0x5c/0x78 > [c005ad68] vfs_read+0xdc/0x128 > [c005afd8] sys_read+0x40/0x74 > [c0005b20] ret_from_syscall+0x0/0x44 > > -- > Tom Vier > DSA Key ID 0x15741ECE - 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/