[ 449.487271] [drm] radeon kernel modesetting enabled. [ 449.487412] checking generic (d0000000 4000000) vs hw (d0000000 8000000) [ 449.487421] fb: conflicting fb hw usage radeondrmfb vs VESA VGA - removing generic driver [ 449.487694] Console: switching to colour dummy device 80x25 [ 449.489068] [drm] initializing kernel modesetting (RV250 0x1002:0x4C66). [ 449.489130] [drm] register mmio base: 0xDFEF0000 [ 449.489136] [drm] register mmio size: 65536 [ 449.490699] agpgart-via 0000:00:00.0: AGP 2.0 bridge [ 449.490729] agpgart-via 0000:00:00.0: putting AGP V2 device into 4x mode [ 449.490812] radeon 0000:01:00.0: putting AGP V2 device into 4x mode [ 449.490822] radeon 0000:01:00.0: GTT: 64M 0xE0000000 - 0xE3FFFFFF [ 449.490839] radeon 0000:01:00.0: VRAM: 128M 0x00000000D0000000 - 0x00000000D7FFFFFF (64M used) [ 449.490865] [drm] Supports vblank timestamp caching Rev 1 (10.10.2010). [ 449.490871] [drm] Driver supports precise vblank timestamp query. [ 449.490893] [drm] radeon: irq initialized. [ 449.491077] [drm] Detected VRAM RAM=128M, BAR=128M [ 449.491089] [drm] RAM width 128bits DDR [ 449.498501] [TTM] Zone kernel: Available graphics memory: 438880 kiB. [ 449.498511] [TTM] Zone highmem: Available graphics memory: 506436 kiB. [ 449.498518] [TTM] Initializing pool allocator. [ 449.498598] [drm] radeon: 64M of VRAM memory ready [ 449.498605] [drm] radeon: 64M of GTT memory ready. [ 449.501499] radeon 0000:01:00.0: WB disabled [ 449.501698] [drm] Loading R200 Microcode [ 449.593685] [drm] radeon: ring at 0x00000000E0001000 [ 449.593712] [drm] ring test succeeded in 0 usecs [ 449.594393] [drm] radeon: ib pool ready. [ 449.594563] [drm] ib test succeeded in 0 usecs [ 449.595193] [drm] Panel ID String: 1024x768 [ 449.595201] [drm] Panel Size 1024x768 [ 449.595444] BUG: unable to handle kernel NULL pointer dereference at 00000072 [ 449.595463] IP: [] radeon_legacy_backlight_get_brightness+0x9/0x70 [radeon] [ 449.595611] *pdpt = 0000000036fe0001 *pde = 0000000000000000 [ 449.595626] Oops: 0000 [#1] SMP [ 449.595636] last sysfs file: /sys/devices/platform/radeon_cp.0/firmware/radeon_cp.0/loading [ 449.595651] Modules linked in: radeon(+) ttm drm_kms_helper drm 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 mperf ip6t_REJECT 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 i2c_viapro pcmcia via_ircc snd_via82xx yenta_socket gameport snd_via82xx_modem pcmcia_rsrc firewire_ohci pcmcia_core sr_mod cdrom joydev irda sg battery snd_mpu401_uart shpchp pci_hotplug firewire_core ppdev pcspkr snd_ac97_codec ac parport_pc ac97_bus parport via_rhine button snd_rawmidi snd_seq_device serio_raw crc_itu_t snd_pcm snd_timer crc_ccitt snd soundcore snd_page_alloc ext4 jbd2 crc16 usbhid uhci_hcd ehci_hcd i2c_algo_bit usbcore fan processor ata_generic pata_via thermal thermal_sys [last unloaded: drm] [ 449.595884] [ 449.595896] Pid: 2396, comm: modprobe Not tainted 2.6.37.1-1.2-pae #1 56548 N251C1/N251C1 [ 449.595921] EIP: 0060:[] EFLAGS: 00010282 CPU: 0 [ 449.595992] EIP is at radeon_legacy_backlight_get_brightness+0x9/0x70 [radeon] [ 449.596012] EAX: 00000072 EBX: e714ba00 ECX: 00000000 EDX: 00000072 [ 449.596026] ESI: e714ba18 EDI: e712f7a0 EBP: e7124000 ESP: e8027c00 [ 449.596039] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 [ 449.596054] Process modprobe (pid: 2396, ti=e8026000 task=f4baa030 task.ti=e8026000) [ 449.596069] Stack: [ 449.596077] e714ba00 f91a3026 f921c18c e8027c20 00000000 f6d31000 e7120c00 e7120c04 [ 449.596104] f84a15a2 000000ff f84ab5e0 f84ab5e0 00000001 f4af3400 e7124000 e7120c00 [ 449.596129] f4af36a4 00000007 f91a56d0 00000001 00000000 f5003a60 f5004080 e8027d6c [ 449.596155] Call Trace: [ 449.596417] [] radeon_legacy_backlight_init+0xd6/0x220 [radeon] [ 449.596500] [] radeon_add_legacy_connector+0x180/0x540 [radeon] [ 449.596500] [] radeon_get_legacy_connector_info_from_bios+0x8f3/0xa30 [radeon] [ 449.596500] DWARF2 unwinder stuck at radeon_get_legacy_connector_info_from_bios+0x8f3/0xa30 [radeon] [ 449.596500] [ 449.596500] Leftover inexact backtrace: [ 449.596500] [ 449.596500] [] ? drm_mode_crtc_set_gamma_size+0x18/0x40 [drm] [ 449.596500] [] ? drm_mode_crtc_set_gamma_size+0x18/0x40 [drm] [ 449.596500] [] ? radeon_modeset_init+0x5d4/0x940 [radeon] [ 449.596500] [] ? radeon_device_init+0x41f/0x4a0 [radeon] [ 449.596500] [] ? radeon_switcheroo_can_switch+0x0/0x30 [radeon] [ 449.596500] [] ? radeon_driver_load_kms+0xc1/0x1f0 [radeon] [ 449.596500] [] ? drm_get_pci_dev+0x188/0x290 [drm] [ 449.596500] [] ? radeon_pci_probe+0xdd/0xf4 [radeon] [ 449.596500] [] ? local_pci_probe+0x42/0xb0 [ 449.596500] [] ? pci_device_probe+0xd7/0xe0 [ 449.596500] [] ? really_probe+0x5d/0x200 [ 449.596500] [] ? create_dir+0x68/0xa0 [ 449.596500] [] ? driver_probe_device+0x3e/0x90 [ 449.596500] [] ? pci_match_device+0x10/0xa0 [ 449.596500] [] ? __driver_attach+0x79/0x80 [ 449.596500] [] ? __driver_attach+0x0/0x80 [ 449.596500] [] ? bus_for_each_dev+0x4b/0x70 [ 449.596500] [] ? driver_attach+0x16/0x20 [ 449.596500] [] ? __driver_attach+0x0/0x80 [ 449.596500] [] ? bus_add_driver+0x20f/0x2e0 [ 449.596500] [] ? pci_device_remove+0x0/0xf0 [ 449.596500] [] ? driver_register+0x5f/0x100 [ 449.596500] [] ? drm_pci_init+0x31/0x100 [drm] [ 449.596500] [] ? __pci_register_driver+0x3d/0xb0 [ 449.596500] [] ? do_one_initcall+0x33/0x170 [ 449.596500] [] ? __blocking_notifier_call_chain+0x4d/0x70 [ 449.596500] [] ? radeon_init+0x0/0xdb [radeon] [ 449.596500] [] ? sys_init_module+0x9b/0x1f0 [ 449.596500] [] ? sysenter_do_call+0x12/0x22 [ 449.596500] 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 77 31 c7 <8b> 10 8b 12 8b 92 1c 02 00 00 83 ba cc 00 00 00 00 77 0c 81 ba [ 449.596500] EIP: [] radeon_legacy_backlight_get_brightness+0x9/0x70 [radeon] SS:ESP 0068:e8027c00 [ 449.596500] CR2: 0000000000000072 [ 449.598324] ---[ end trace 1036317ab19ae03b ]---