From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264920AbUELLHi (ORCPT ); Wed, 12 May 2004 07:07:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265002AbUELLHi (ORCPT ); Wed, 12 May 2004 07:07:38 -0400 Received: from palma.portsdebalears.com ([195.53.243.35]:5775 "EHLO cochise.portsdebalears.com") by vger.kernel.org with ESMTP id S264920AbUELLHX (ORCPT ); Wed, 12 May 2004 07:07:23 -0400 Date: Wed, 12 May 2004 13:06:54 +0200 From: Kiko Piris To: Andrew Lau Cc: simon@thekelleys.org.uk, linux-kernel@vger.kernel.org Subject: Re: Atmel at76c50x PCMCIA 2.6.6 kernel panic Message-ID: <20040512110654.GA13053@fpirisp.portsdebalears.com> Mail-Followup-To: Andrew Lau , simon@thekelleys.org.uk, linux-kernel@vger.kernel.org References: <20040511134101.GA19530@espresso> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040511134101.GA19530@espresso> User-Agent: Mutt X-No-CC: Please respect my Mail-Followup-To header Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On 11/05/2004 at 23:41, Andrew Lau wrote: > My Atmel AT76C502AR_D 802.11b PCMCIA card was previously working fine > under the 2.6.5 kernel via the atmel/atmel_cs modules. However, since > upgrading to 2.6.6 I now get a kernel panic whenever I insert my card [...] > Call Trace: > [] sysfs_create_link+0x2a/0x13b > [] kobject_hotplug+0x55/0x57 > [] class_device_dev_link+0x30/0x34 > [] class_device_add+0xd9/0x110 > [] fw_register_class_device+0x10f/0x163 [firmware_class] > [] fw_setup_class_device+0x2c/0x111 [firmware_class] > [] request_firmware+0x67/0x160 [firmware_class] > [] reset_atmel_card+0x65b/0x6b4 [atmel] > [] atmel_open+0xbf/0x1a5 [atmel] I get the same oops with a 3com 3CRWE62092B pcmcia wireless card when inserting it (with 2.6.6, 2.6.5 works fine). It might be related to this thread: http://lkml.org/lkml/2004/4/23/4 . I'm not really sure... Please, let me know if I can provide any additional information to help. This is the oops I get: ---8<--- NET: Registered protocol family 23 cs: IO port probe 0x0c00-0x0cff: clean. cs: IO port probe 0x0800-0x08ff: clean. cs: IO port probe 0x0100-0x04ff: excluding 0x3b8-0x3df cs: IO port probe 0x0a00-0x0aff: clean. cs: memory probe 0xa0000000-0xa0ffffff: clean. eth1: MAC address 00:04:75:ec:37:7d eth1: Atmel at76c50x wireless. Version 0.96 simon@thekelleys.org.uk eth1: 3com 3CRWE62092B index 0x01: Vcc 3.3, irq 3, io 0x0100-0x011f Unable to handle kernel NULL pointer dereference at virtual address 00000000 printing eip: c016fe42 *pde = 00000000 Oops: 0000 [#1] CPU: 0 EIP: 0060:[] Not tainted EFLAGS: 00010246 (2.6.6) EIP is at object_path_length+0x1a/0x31 eax: 00000000 ebx: 00000000 ecx: ffffffff edx: e99d0a24 esi: 00000001 edi: 00000000 ebp: ffffffff esp: e5d03d88 ds: 007b es: 007b ss: 0068 Process ifconfig (pid: 3065, threadinfo=e5d02000 task=e6d8f430) Stack: 00000003 00000000 e99d0a24 e9940aa0 c016fed2 e99d0a24 e9940ab4 e9940aa0 c02053c6 c0335466 e6693ef4 e9940b00 e5bbed90 e9940b00 e9940aa0 c02393a6 e5bbed98 e99d0a24 c03358fd c023966d e5bbed90 e5bbedd8 e9940aec 00000000 Call Trace: [] sysfs_create_link+0x2a/0x13b [] kobject_hotplug+0x55/0x57 [] class_device_dev_link+0x30/0x34 [] class_device_add+0xd9/0x110 [] fw_register_class_device+0x10f/0x163 [firmware_class] [] fw_setup_class_device+0x2c/0xe9 [firmware_class] [] request_firmware+0x67/0x160 [firmware_class] [] reset_atmel_card+0x65b/0x6b4 [atmel] [] atmel_open+0xbf/0x1a5 [atmel] [] __wake_up_locked+0x22/0x26 [] dev_open+0xcc/0xfb [] dev_change_flags+0x51/0x120 [] devinet_ioctl+0x235/0x560 [] sock_ioctl+0x0/0x258 [] inet_ioctl+0x5e/0x9e [] sock_ioctl+0xc0/0x258 [] sys_ioctl+0xb7/0x203 [] syscall_call+0x7/0xb Code: f2 ae f7 d1 49 8b 52 24 8d 74 31 01 85 d2 75 ea 5b 89 f0 5e --->8--- -- Kiko