[ 68.735328] [drm] Initialized drm 1.1.0 20060810 [ 68.769517] [drm] Initialized radeon 1.31.0 20080528 for 0000:01:00.0 on minor 0 [ 81.190413] [drm] Module unloaded [ 86.202632] [drm] Initialized drm 1.1.0 20060810 [ 86.228341] [drm] radeon kernel modesetting enabled. [ 86.232290] [drm] radeon: Initializing kernel modesetting. [ 86.232373] [drm] register mmio base: 0xE0020000 [ 86.232430] [drm] register mmio size: 65536 [ 86.234615] ATOM BIOS: 113 [ 86.234677] [drm] Clocks initialized ! [ 86.234768] BUG: unable to handle kernel NULL pointer dereference at 0000000000000074 [ 86.234922] IP: [] radeon_agp_init+0x1d/0x255 [radeon] [ 86.235077] PGD 5e3c7067 PUD 5c69c067 PMD 0 [ 86.235260] Oops: 0000 [#1] SMP [ 86.235398] last sysfs file: /sys/module/agpgart/initstate [ 86.235457] CPU 0 [ 86.235553] Modules linked in: radeon(+) ttm drm_kms_helper drm i2c_algo_bit cfbcopyarea cfbimgblt cfbfillrect btusb bluetooth ext2 mbcache loop zc0301 videodev v4l1_compat v4l2_compat_ioctl32 snd_usb_audio snd_usb_lib snd_hwdep usblp joydev arc4 snd_via82xx gameport ecb snd_ac97_codec ac97_bus ath5k snd_pcm_oss snd_mixer_oss snd_pcm snd_page_alloc snd_mpu401_uart mac80211 ath snd_seq_midi snd_rawmidi cfg80211 sg snd_seq_midi_event snd_seq sr_mod rfkill usb_storage snd_timer led_class amd64_agp pcspkr snd_seq_device psmouse ohci_hcd amd64_edac_mod edac_core edac_mce_amd snd uhci_hcd k8temp evdev via_rhine mii parport_pc parport serio_raw floppy shpchp i2c_viapro ehci_hcd pci_hotplug processor cdrom soundcore button xfs exportfs dm_mod fan agpgart hid_logitech usbhid hid ff_memless sd_mod crc_t10dif sata_promise pata_via sata_via thermal thermal_sys libata scsi_mod [last unloaded: cfbfillrect] [ 86.236016] Pid: 1968, comm: work_for_cpu Not tainted 2.6.32-rc4 #3 [ 86.236016] RIP: 0010:[] [] radeon_agp_init+0x1d/0x255 [radeon] [ 86.236016] RSP: 0018:ffff88005ef77d30 EFLAGS: 00010286 [ 86.236016] RAX: 0000000000000000 RBX: ffff88005e9fb000 RCX: 00000000d0000000 [ 86.236016] RDX: ffff88005f0b8000 RSI: 0000000000000000 RDI: ffff88005e3ed000 [ 86.236016] RBP: ffff88005ef77d90 R08: ffff88005ef77d90 R09: 0000000000000000 [ 86.236016] R10: ffff88005f733f00 R11: ffff88005fba0800 R12: ffff88005e9fb000 [ 86.236016] R13: ffff88005e9fb000 R14: 000000000048001d R15: 0000000000001000 [ 86.236016] FS: 00007f9f2243f6f0(0000) GS:ffff880001800000(0000) knlGS:0000000000000000 [ 86.236016] CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b [ 86.236016] CR2: 0000000000000074 CR3: 0000000037b53000 CR4: 00000000000006f0 [ 86.236016] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 86.236016] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 86.236016] Process work_for_cpu (pid: 1968, threadinfo ffff88005ef76000, task ffff88005f039c00) [ 86.236016] Stack: [ 86.236016] ffffffffa079f920 ffff88005e9fb000 0000000000000000 0000000000001000 [ 86.236016] <0> ffff88005ef77d80 ffffffffa0753fc1 ffff88005ef77d90 ffff88005e9fb000 [ 86.236016] <0> ffff88005e9fb000 ffff88005e9fb000 ffff88005e9fb000 000000000048001d [ 86.236016] Call Trace: [ 86.236016] [] ? radeon_debugfs_add_files+0xc9/0xd4 [radeon] [ 86.236016] [] r600_mc_init+0x108/0x2a9 [radeon] [ 86.236016] [] r600_init+0x18d/0x300 [radeon] [ 86.236016] [] radeon_device_init+0x210/0x28e [radeon] [ 86.236016] [] radeon_driver_load_kms+0xfd/0x134 [radeon] [ 86.236016] [] drm_get_dev+0x342/0x42f [drm] [ 86.236016] [] ? do_work_for_cpu+0x0/0x25 [ 86.236016] [] radeon_pci_probe+0x10/0x263 [radeon] [ 86.236016] [] local_pci_probe+0x12/0x16 [ 86.236016] [] do_work_for_cpu+0x13/0x25 [ 86.236016] [] ? do_work_for_cpu+0x0/0x25 [ 86.236016] [] kthread+0x7d/0x85 [ 86.236016] [] child_rip+0xa/0x20 [ 86.236016] [] ? kthread+0x0/0x85 [ 86.236016] [] ? child_rip+0x0/0x20 [ 86.236016] Code: 0b 83 78 74 00 74 05 e8 71 0b fa ff c9 c3 55 48 89 e5 41 56 41 55 49 89 fd 41 54 53 48 83 ec 40 48 8b 7f 08 48 8b 87 48 03 00 00 <83> 78 74 00 75 1d e8 de 0a fa ff 85 c0 89 c3 74 12 89 c2 48 c7 [ 86.236016] RIP [] radeon_agp_init+0x1d/0x255 [radeon] [ 86.236016] RSP [ 86.236016] CR2: 0000000000000074 [ 86.249200] ---[ end trace fddc210125bd0e01 ]---