From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S268222AbUHQN17 (ORCPT ); Tue, 17 Aug 2004 09:27:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268249AbUHQN16 (ORCPT ); Tue, 17 Aug 2004 09:27:58 -0400 Received: from postman.fhs-hagenberg.ac.at ([193.170.124.96]:4819 "EHLO postman.fhs-hagenberg.ac.at") by vger.kernel.org with ESMTP id S268222AbUHQNZu (ORCPT ); Tue, 17 Aug 2004 09:25:50 -0400 Message-ID: <412207F2.8070404@fh-hagenberg.at> Date: Tue, 17 Aug 2004 15:28:18 +0200 From: Manuel Lauss Organization: FH Hagenberg / HSSE User-Agent: Mozilla Thunderbird 0.7.3 (X11/20040808) X-Accept-Language: en-us, en MIME-Version: 1.0 To: akpm@osdl.org, linux-kernel@vger.kernel.org CC: manuel.lauss@fh-hagenberg.at Subject: 2.6.8.1-mm1: oops with firmware loading X-Enigmail-Version: 0.85.0.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 17 Aug 2004 13:25:44.0428 (UTC) FILETIME=[B3110AC0:01C4845D] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi, The new sysfs-backingstore patches cause an oops when I ifup a prism54 based device, heres the dmesg section: Loaded prism54 driver, version 1.2 PCI: Enabling device 0000:03:00.0 (0000 -> 0002) ACPI: PCI interrupt 0000:03:00.0[A] -> GSI 9 (level, low) -> IRQ 9 eth0: no IPv6 routers present eth2: islpci_open() eth2: resetting device... eth2: uploading firmware... Unable to handle kernel NULL pointer dereference at virtual address 00000000 printing eip: 00000000 *pde = 00000000 Oops: 0000 [#1] PREEMPT Modules linked in: prism54 firmware_class sonypi ipv6 usbhid ds ohci_hcd ohci1394 yenta_socket pcmcia_core ehci_hcd uhci_hcd intel_agp agpgart snd_intel8x0 snd_ac97_codec snd_mpu401_uart snd_rawmidi snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_pcm snd_timer snd_page_alloc snd_mixer_oss snd soundcore usbcore ntfs vfat fat eth1394 ieee1394 hidp rfcomm l2cap bluetooth CPU: 0 EIP: 0060:[<00000000>] Not tainted VLI EFLAGS: 00010296 (2.6.8.1-mm1) EIP is at 0x0 eax: f749542c ebx: 00000000 ecx: 00000000 edx: f7227000 esi: f7495388 edi: 00001000 ebp: f789d99c esp: f74dbf38 ds: 007b es: 007b ss: 0068 Process cp (pid: 9839, threadinfo=f74db000 task=f7a5abb0) Stack: c018745e 00000000 00000000 00001000 00001000 f78c9a40 c0187526 00000000 00000000 00001000 00000000 00000000 f7227000 bfffe5b0 c03914e0 f78c9a40 00001000 f74dbfac c015402e f74dbfac 00014e00 00000003 bfffe5b0 f78c9a40 Call Trace: [] flush_write+0x2e/0x40 [] write+0xb6/0x120 [] vfs_write+0xfe/0x130 [] sys_write+0x41/0x70 [] sysenter_past_esp+0x52/0x71 Code: Bad EIP value. <3>prism54: request_firmware() failed for 'isl3890' eth2: could not upload firmware ('isl3890') Backing out all sysfs-backing-store patches cures the problem. (sysfs-backing-store-prepare-file_perations.patch alone triggers the oops) I think the oops comes from drivers/base/firmware_class.c:423 Thanks, -- Manuel Lauss Student HSSE / FH Hagenberg