Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751921AbZJUFEG (ORCPT ); Wed, 21 Oct 2009 01:04:06 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751330AbZJUFEF (ORCPT ); Wed, 21 Oct 2009 01:04:05 -0400 Received: from mail-ew0-f207.google.com ([209.85.219.207]:44130 "EHLO mail-ew0-f207.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750910AbZJUFED (ORCPT ); Wed, 21 Oct 2009 01:04:03 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; b=dqN5qJXzygVKLrWpAmm1gbvrg/9HIsDOjHf0F5Ynt6xKpcMitjfIDBZnPzqWUUrmXz UaZ0YXJ/lwId10GBQt889acWvgA5hA+azRkqvOak2Hh/rRKOpbU1BsBKkw1ur0nCxzhQ MOKyaCifQa96TKxJvj3VziPWwtmA0HoJLBwD8= MIME-Version: 1.0 Date: Wed, 21 Oct 2009 13:04:07 +0800 Message-ID: Subject: BUG: unable to handle kernel NULL pointer dereference at 0000000000000004 From: Jike Song To: Linux Kernel Mailing List Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3828 Lines: 81 Hi, I'm not sure if this BUG was reported before. It happens on 2.6.32-rc5-11. [arc@git ~]$ cat /proc/version Linux version 2.6.32-rc5-00011-g2fdc246 (arc@git) (gcc version 4.4.0 20090506 (Red Hat 4.4.0-4) (GCC) ) #1 SMP Mon Oct 19 15:10:14 CST 2009 Part of dmesg is: [drm:radeon_cp_cmdbuf_kms] *ERROR* invalid ioctl with kms radeon_cp_cmdbuf_kms [drm:radeon_mem_init_heap_kms] *ERROR* invalid ioctl with kms radeon_mem_init_heap_kms BUG: unable to handle kernel NULL pointer dereference at 0000000000000004 IP: [] radeon_cs_parser_relocs+0x53/0x21f [radeon] PGD 19b4ff067 PUD 19b4fe067 PMD 0 Oops: 0000 [#2] SMP last sysfs file: /sys/devices/pci0000:00/0000:00:1c.1/0000:02:00.0/resource CPU 0 Modules linked in: fuse ipv6 cpufreq_ondemand acpi_cpufreq freq_table dm_multipath uinput snd_hda_codec_atihdmi dcdbas snd_hda_codec_realtek joydev i2c_i801 serio_raw pcspkr radeon snd_hda_intel snd_hda_codec ttm btusb bluetooth drm_kms_helper snd_hwdep drm snd_pcm snd_timer firewire_ohci firewire_core i2c_algo_bit iTCO_wdt snd usb_storage crc_itu_t i2c_core soundcore iTCO_vendor_support snd_page_alloc e1000e ata_generic pata_acpi [last unloaded: microcode] Pid: 3427, comm: Xorg Tainted: G D 2.6.32-rc5-00011-g2fdc246 #1 Studio XPS 435MT RIP: 0010:[] [] radeon_cs_parser_relocs+0x53/0x21f [radeon] RSP: 0018:ffff88019b589c18 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88019b589c88 RCX: 0000000000000010 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88019b589c88 RBP: ffff88019b589c78 R08: ffff8801b6bdce70 R09: 0000000017284cf7 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88019b589c88 R13: ffff8801b6bdd2b0 R14: ffff8801b6bdc090 R15: 0000000000000000 FS: 00007fd422ff67b0(0000) GS:ffff880032200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 0000000000000004 CR3: 000000019b4a5000 CR4: 00000000000006f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process Xorg (pid: 3427, threadinfo ffff88019b588000, task ffff8801a0438000) Stack: ffff8801b6bdc090 0000000017284cf7 ffff8801b65561b0 ffffffffa01949c2 <0> ffff88019d72f770 0000000017284cf7 ffff88019b589c78 0000000000000000 <0> ffff88019b589c88 ffff8801b6bdd2b0 ffff8801b6bdc090 ffff8801ad443c30 Call Trace: [] ? radeon_ib_get+0xae/0x1e8 [radeon] [] radeon_cs_ioctl+0xcf/0x1b8 [radeon] [] ? radeon_cs_ioctl+0x0/0x1b8 [radeon] [] drm_ioctl+0x23d/0x2fd [drm] [] ? ext4_file_write+0xa0/0xc0 [] vfs_ioctl+0x7e/0xaa [] do_vfs_ioctl+0x4aa/0x506 [] ? fsnotify_modify+0x7b/0x9a [] ? path_put+0x31/0x4c [] sys_ioctl+0x65/0x9c [] system_call_fastpath+0x16/0x1b Code: 48 89 fb 48 8b 40 08 48 89 45 b0 44 8b 7f 54 31 c0 41 83 ff ff 0f 84 6f 01 00 00 4d 63 ff be 08 00 00 00 4d 6b ff 38 4c 03 7f 18 <41> 8b 7f 04 c1 ef 02 89 7b 2c 89 ff e8 44 ff ff ff 48 85 c0 48 RIP [] radeon_cs_parser_relocs+0x53/0x21f [radeon] RSP CR2: 0000000000000004 ---[ end trace 4a156201f3e63636 ]--- [drm:drm_release] *ERROR* Device busy: 1 [drm:radeon_cp_cmdbuf_kms] *ERROR* invalid ioctl with kms radeon_cp_cmdbuf_kms [drm:radeon_mem_init_heap_kms] *ERROR* invalid ioctl with kms radeon_mem_init_heap_kms I don't know what else to provide, so feel free to ask for more information. -- Thanks, Jike -- 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/