[ 97.870196] [drm:drm_pci_exit], [ 97.870208] [drm:drm_put_dev], [ 97.870215] [drm:drm_lastclose], [ 97.870227] [drm:radeon_do_cleanup_cp], [ 97.870234] [drm:drm_lastclose], driver lastclose completed [ 97.870242] [drm:drm_lastclose], lastclose completed [ 97.870251] [drm:drm_put_dev], mtrr_del=5 [ 97.870258] [drm:radeon_driver_unload], [ 97.870314] [drm:drm_put_minor], release secondary minor 0 [ 97.870537] [drm] Module unloaded [ 105.295017] [drm] radeon kernel modesetting enabled. [ 105.295042] [drm:drm_pci_init], [ 105.295165] checking generic (d0000000 4000000) vs hw (d0000000 8000000) [ 105.295173] fb: conflicting fb hw usage radeondrmfb vs VESA VGA - removing generic driver [ 105.295440] Console: switching to colour dummy device 80x25 [ 105.296291] [drm:drm_get_pci_dev], [ 105.296426] [drm:drm_get_minor], [ 105.296638] [drm:drm_get_minor], new minor assigned 64 [ 105.296647] [drm:drm_get_minor], [ 105.296789] [drm:drm_get_minor], new minor assigned 0 [ 105.296809] [drm] initializing kernel modesetting (RV250 0x1002:0x4C66). [ 105.296864] [drm] register mmio base: 0xDFEF0000 [ 105.296869] [drm] register mmio size: 65536 [ 105.298391] [drm:radeon_get_bios], COMBIOS detected [ 105.298420] agpgart-via 0000:00:00.0: AGP 2.0 bridge [ 105.298450] agpgart-via 0000:00:00.0: putting AGP V2 device into 4x mode [ 105.298532] radeon 0000:01:00.0: putting AGP V2 device into 4x mode [ 105.298542] radeon 0000:01:00.0: GTT: 64M 0xE0000000 - 0xE3FFFFFF [ 105.298559] radeon 0000:01:00.0: VRAM: 128M 0x00000000D0000000 - 0x00000000D7FFFFFF (64M used) [ 105.298593] [drm] Supports vblank timestamp caching Rev 1 (10.10.2010). [ 105.298599] [drm] Driver supports precise vblank timestamp query. [ 105.298606] [drm:drm_irq_install], irq=11 [ 105.298627] [drm] radeon: irq initialized. [ 105.298834] [drm] Detected VRAM RAM=128M, BAR=128M [ 105.298846] [drm] RAM width 128bits DDR [ 105.311198] [TTM] Zone kernel: Available graphics memory: 438880 kiB. [ 105.311208] [TTM] Zone highmem: Available graphics memory: 506436 kiB. [ 105.311215] [TTM] Initializing pool allocator. [ 105.311295] [drm] radeon: 64M of VRAM memory ready [ 105.311302] [drm] radeon: 64M of GTT memory ready. [ 105.314120] radeon 0000:01:00.0: WB disabled [ 105.314172] [drm:r100_cp_init_microcode], [ 105.314325] [drm] Loading R200 Microcode [ 105.388437] [drm] radeon: ring at 0x00000000E0001000 [ 105.388465] [drm] ring test succeeded in 0 usecs [ 105.389142] [drm] radeon: ib pool ready. [ 105.389303] [drm] ib test succeeded in 0 usecs [ 105.389818] [drm:drm_sysfs_connector_add], adding "VGA-1" to sysfs [ 105.389917] [drm:drm_sysfs_hotplug_event], generating hotplug event [ 105.389961] [drm] Panel ID String: 1024x768 [ 105.389968] [drm] Panel Size 1024x768 [ 105.389979] [drm:radeon_get_legacy_connector_info_from_bios], LCD DDC Info Table found! [ 105.389992] [drm:drm_sysfs_connector_add], adding "LVDS-1" to sysfs [ 105.390075] [drm:drm_sysfs_hotplug_event], generating hotplug event [ 105.390227] BUG: unable to handle kernel NULL pointer dereference at 00000072 [ 105.390247] IP: [] radeon_legacy_backlight_get_brightness+0x9/0x70 [radeon] [ 105.390398] *pdpt = 00000000368ab001 *pde = 0000000000000000 [ 105.390413] Oops: 0000 [#1] SMP [ 105.390423] last sysfs file: /sys/devices/platform/radeon_cp.0/firmware/radeon_cp.0/loading [ 105.390439] Modules linked in: radeon(+) ip6t_LOG xt_tcpudp xt_pkttype ipt_LOG xt_limit snd_pcm_oss snd_mixer_oss snd_seq edd cpufreq_conservative cpufreq_userspace cpufreq_powersave powernow_k7 ip6t_REJECT mperf nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw xt_NOTRACK ipt_REJECT iptable_raw iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables dm_mod snd_via82xx snd_via82xx_modem gameport i2c_viapro via_ircc snd_mpu401_uart pcmcia snd_ac97_codec ac97_bus snd_pcm snd_rawmidi firewire_ohci ppdev snd_timer snd_seq_device sr_mod yenta_socket firewire_core pcmcia_rsrc parport_pc via_rhine joydev cdrom snd irda shpchp pcspkr serio_raw parport battery sg pcmcia_core pci_hotplug ac button soundcore snd_page_alloc crc_ccitt crc_itu_t ext4 jbd2 crc16 usbhid uhci_hcd ehci_hcd ttm drm_kms_helper drm i2c_algo_bit usbcore fan processor ata_generic pata_via thermal thermal_sys [last unloaded: radeon] [ 105.390671] [ 105.390682] Pid: 2318, comm: modprobe Not tainted 2.6.37.1-1.2-pae #1 56548 N251C1/N251C1 [ 105.390707] EIP: 0060:[] EFLAGS: 00010286 CPU: 0 [ 105.390780] EIP is at radeon_legacy_backlight_get_brightness+0x9/0x70 [radeon] [ 105.390799] EAX: 00000072 EBX: e7517e00 ECX: 00000000 EDX: 00000072 [ 105.390813] ESI: e7517e18 EDI: e750eee0 EBP: e751c400 ESP: f683bc00 [ 105.390827] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 [ 105.390841] Process modprobe (pid: 2318, ti=f683a000 task=f6838630 task.ti=f683a000) [ 105.390857] Stack: [ 105.390864] e7517e00 f8b51026 f8bca18c f683bc20 00000000 f6e4e000 e7516800 e7516804 [ 105.390891] f7e965a2 000000ff f7ea05e0 f7ea05e0 00000001 f6c5e800 e751c400 e7516800 [ 105.390916] f6c5eaa4 00000007 f8b536d0 00000001 00000000 f5003a60 f5004080 f683bd6c [ 105.390942] Call Trace: [ 105.391207] [] radeon_legacy_backlight_init+0xd6/0x220 [radeon] [ 105.391442] [] radeon_add_legacy_connector+0x180/0x540 [radeon] [ 105.391680] [] radeon_get_legacy_connector_info_from_bios+0x8f3/0xa30 [radeon] [ 105.391853] DWARF2 unwinder stuck at radeon_get_legacy_connector_info_from_bios+0x8f3/0xa30 [radeon] [ 105.391872] [ 105.391880] Leftover inexact backtrace: [ 105.391882] [ 105.391964] [] ? drm_mode_crtc_set_gamma_size+0x18/0x40 [drm] [ 105.392008] [] ? drm_mode_crtc_set_gamma_size+0x18/0x40 [drm] [ 105.392027] [] ? radeon_modeset_init+0x5d4/0x940 [radeon] [ 105.392027] [] ? radeon_device_init+0x41f/0x4a0 [radeon] [ 105.392027] [] ? radeon_switcheroo_can_switch+0x0/0x30 [radeon] [ 105.392027] [] ? radeon_driver_load_kms+0xc1/0x1f0 [radeon] [ 105.392027] [] ? drm_get_pci_dev+0x188/0x290 [drm] [ 105.392027] [] ? radeon_pci_probe+0xdd/0xf4 [radeon] [ 105.392027] [] ? local_pci_probe+0x42/0xb0 [ 105.392027] [] ? pci_device_probe+0xd7/0xe0 [ 105.392027] [] ? really_probe+0x5d/0x200 [ 105.392027] [] ? create_dir+0x68/0xa0 [ 105.392027] [] ? driver_probe_device+0x3e/0x90 [ 105.392027] [] ? pci_match_device+0x10/0xa0 [ 105.392027] [] ? __driver_attach+0x79/0x80 [ 105.392027] [] ? __driver_attach+0x0/0x80 [ 105.392027] [] ? bus_for_each_dev+0x4b/0x70 [ 105.392027] [] ? driver_attach+0x16/0x20 [ 105.392027] [] ? __driver_attach+0x0/0x80 [ 105.392027] [] ? bus_add_driver+0x20f/0x2e0 [ 105.392027] [] ? pci_device_remove+0x0/0xf0 [ 105.392027] [] ? driver_register+0x5f/0x100 [ 105.392027] [] ? drm_pci_init+0x31/0x100 [drm] [ 105.392027] [] ? __pci_register_driver+0x3d/0xb0 [ 105.392027] [] ? do_one_initcall+0x33/0x170 [ 105.392027] [] ? __blocking_notifier_call_chain+0x4d/0x70 [ 105.392027] [] ? radeon_init+0x0/0xdb [radeon] [ 105.392027] [] ? sys_init_module+0x9b/0x1f0 [ 105.392027] [] ? sysenter_do_call+0x12/0x22 [ 105.392027] Code: c4 10 c3 8d b4 26 00 00 00 00 ba 03 00 00 00 89 d8 e8 cc f8 ff ff eb d6 8d 76 00 8d bc 27 00 00 00 00 83 c0 50 53 e8 57 97 96 c7 <8b> 10 8b 12 8b 92 1c 02 00 00 83 ba cc 00 00 00 00 77 0c 81 ba [ 105.392027] EIP: [] radeon_legacy_backlight_get_brightness+0x9/0x70 [radeon] SS:ESP 0068:f683bc00 [ 105.392027] CR2: 0000000000000072 [ 105.393153] ---[ end trace 712e5aeba94fc311 ]---