From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnd Hannemann Subject: 2.6.29.1 BUG: unable to handle kernel NULL pointer dereference at (null) Date: Mon, 06 Apr 2009 20:11:20 +0200 Message-ID: <49DA45C8.8070303@nets.rwth-aachen.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7BIT Return-path: Received: from mta-2.ms.rz.RWTH-Aachen.DE ([134.130.7.73]:56013 "EHLO mta-2.ms.rz.rwth-aachen.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750804AbZDFSLq (ORCPT ); Mon, 6 Apr 2009 14:11:46 -0400 Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: LKML Cc: linux-ide@vger.kernel.org Hi, perhaps cs5536 is broken? This is with one CF card present on ALIX 2c2: [ 2.857215] Uniform Multi-Platform E-IDE driver [ 2.871238] cs5536 0000:00:0f.2: IDE controller (0x1022:0x209a rev 0x01) [ 2.891486] cs5536 0000:00:0f.2: not 100% native mode: will probe irqs later [ 2.912718] BUG: unable to handle kernel NULL pointer dereference at (null) [ 2.933857] IP: [<(null)>] (null) [ 2.944014] *pde = 00000000 [ 2.952788] Oops: 0000 [#1] [ 2.956215] last sysfs file: [ 2.956215] Modules linked in: [ 2.956215] [ 2.956215] Pid: 1, comm: swapper Not tainted (2.6.29.1-ah #1) [ 2.956215] EIP: 0060:[<00000000>] EFLAGS: 00010246 CPU: 0 [ 2.956215] EIP is at 0x0 [ 2.956215] EAX: ce925400 EBX: ce925400 ECX: ce925400 EDX: c0372ebc [ 2.956215] ESI: c0372dec EDI: cf4aa858 EBP: cf416d14 ESP: cf416d04 [ 2.956215] DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 [ 2.956215] Process swapper (pid: 1, ti=cf416000 task=cf41fb40 task.ti=cf416) [ 2.956215] Stack: [ 2.956215] c027815f ce925400 c0372dec 0000ff00 cf416d2c c0278722 cf4aa800 0 [ 2.956215] c0372dec ce92543c cf416d6c c0276a9e cf416d7c cf416e7c c0372dec 0 [ 2.956215] ce925400 00000000 c03e0c48 cf4aa8c0 01000005 c0372dec 00000000 0 [ 2.956215] Call Trace: [ 2.956215] [] ? ide_pci_check_simplex+0x4e/0x83 [ 2.956215] [] ? ide_hwif_setup_dma+0x63/0xcd [ 2.956215] [] ? ide_host_register+0x169/0x52f [ 2.956215] [] ? ide_pci_init_one+0xbe/0xd5 [ 2.956215] [] ? update_curr+0x60/0x93 [ 2.956215] [] ? idr_get_empty_slot+0x132/0x1f5 [ 2.956215] [] ? raw_pci_read+0x4c/0x57 [ 2.956215] [] ? pci_read+0x1d/0x23 [ 2.956215] [] ? pci_bus_read_config_dword+0x2c/0x44 [ 2.956215] [] ? cs5536_init_one+0x4f/0x54 [ 2.956215] [] ? local_pci_probe+0xe/0x10 [ 2.956215] [] ? pci_device_probe+0x4b/0x69 [ 2.956215] [] ? driver_probe_device+0x9b/0x112 [ 2.956215] [] ? __driver_attach+0x4c/0x6b [ 2.956215] [] ? bus_for_each_dev+0x36/0x57 [ 2.956215] [] ? driver_attach+0x14/0x16 [ 2.956215] [] ? __driver_attach+0x0/0x6b [ 2.956215] [] ? bus_add_driver+0x97/0x1a7 [ 2.956215] [] ? driver_register+0x71/0xcd [ 2.956215] [] ? __pci_register_driver+0x2e/0x5d [ 2.956215] [] ? cs5536_init+0x14/0x16 [ 2.956215] [] ? _stext+0x49/0x10b [ 2.956215] [] ? cs5536_init+0x0/0x16 [ 2.956215] [] ? proc_create_data+0x8a/0x8d [ 2.956215] [] ? register_irq_proc+0x6a/0x83 [ 2.956215] [] ? kernel_init+0x6d/0xbb [ 2.956215] [] ? kernel_init+0x0/0xbb [ 2.956215] [] ? kernel_thread_helper+0x7/0x10 [ 2.956215] Code: Bad EIP value. [ 2.956215] EIP: [<00000000>] 0x0 SS:ESP 0068:cf416d04 [ 3.638455] ---[ end trace f6947cc280ce4929 ]--- [ 3.652402] Kernel panic - not syncing: Attempted to kill init! Best regards, Arnd