Mar 25 13:01:47 b1b1 kernel: [52047.852184] BUG: unable to handle kernel NULL pointer dereference at 0000000000000008 Mar 25 13:01:47 b1b1 kernel: [52047.852378] IP: [] nouveau_fence_wait_uevent+0x18/0x33b [nouveau] Mar 25 13:01:47 b1b1 kernel: [52047.852672] PGD 372b0067 PUD 7a73c067 PMD 0 Mar 25 13:01:47 b1b1 kernel: [52047.852770] Oops: 0000 [#1] SMP Mar 25 13:01:47 b1b1 kernel: [52047.852843] Modules linked in: cfg80211 nfnetlink_log nfnetlink bluetooth rfkill tcp_diag inet_diag thermal cpufreq_powersave xts gf128mul w83627hf hwmon_vid sha256_generic cbc dm_crypt dm_mod configfs fuse usbserial snd_usb_audio snd_usbmidi_lib snd_hwdep snd_rawmidi snd_seq_device gspca_stv06xx gspca_main videodev snd_intel8x0 snd_pcsp snd_ac97_codec powernow_k8 snd_pcm nouveau mxm_wmi wmi video ttm edac_mce_amd edac_core drm_kms_helper drm k8temp snd_page_alloc snd_timer snd soundcore evdev serio_raw i2c_ali15x3 i2c_ali1563 i2c_ali1535 button ac97_bus processor i2c_algo_bit i2c_core thermal_sys hid_generic usbhid hid ohci_pci ohci_hcd ehci_pci ehci_hcd usbcore sd_mod usb_common ata_generic pata_ali crc_t10dif crct10dif_common Mar 25 13:01:47 b1b1 kernel: [52047.854386] CPU: 1 PID: 1840 Comm: X Tainted: G W 3.13.0-new #95 Mar 25 13:01:47 b1b1 kernel: [52047.854521] Hardware name: 939Dual-SATA2/939Dual-SATA2, BIOS P1.20 08/26/2005 Mar 25 13:01:47 b1b1 kernel: [52047.854673] task: ffff88003737c410 ti: ffff88007c0aa000 task.ti: ffff88007c0aa000 Mar 25 13:01:47 b1b1 kernel: [52047.854815] RIP: 0010:[] [] nouveau_fence_wait_uevent+0x18/0x33b [nouveau] Mar 25 13:01:47 b1b1 kernel: [52047.855085] RSP: 0018:ffff88007c0abc08 EFLAGS: 00010292 Mar 25 13:01:47 b1b1 kernel: [52047.855189] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 Mar 25 13:01:47 b1b1 kernel: [52047.855325] RDX: 0000000000000083 RSI: 0000000000000001 RDI: ffff88007ac72c80 Mar 25 13:01:47 b1b1 kernel: [52047.855461] RBP: ffff88007ac72c80 R08: ffffc9000002a000 R09: 000000000000e200 Mar 25 13:01:47 b1b1 kernel: [52047.855598] R10: 0000000002651950 R11: 0000000000000246 R12: ffff880036ef8101 Mar 25 13:01:47 b1b1 kernel: [52047.855735] R13: ffff880037292601 R14: ffff88007627a301 R15: 0000000000000001 Mar 25 13:01:47 b1b1 kernel: [52047.855872] FS: 00007f54d0465880(0000) GS:ffff88007fd00000(0000) knlGS:0000000000000000 Mar 25 13:01:47 b1b1 kernel: [52047.856026] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Mar 25 13:01:47 b1b1 kernel: [52047.856045] CR2: 0000000000000008 CR3: 000000007abab000 CR4: 00000000000007e0 Mar 25 13:01:47 b1b1 kernel: [52047.856045] Stack: Mar 25 13:01:47 b1b1 kernel: [52047.856045] ffff8800211a3000 ffffffffa017a04b 0000000000000000 0000000000000000 Mar 25 13:01:47 b1b1 kernel: [52047.856045] ffff880006f176d8 0000000000000000 ffff88007c0abcf8 ffffffffa01ed4f8 Mar 25 13:01:47 b1b1 kernel: [52047.856045] 0000000000000002 0000000000000000 ffff88007ac72c80 ffff880036ef8101 Mar 25 13:01:47 b1b1 kernel: [52047.856045] Call Trace: Mar 25 13:01:47 b1b1 kernel: [52047.856045] [] ? ttm_bo_wait+0x32/0x158 [ttm] Mar 25 13:01:47 b1b1 kernel: [52047.856045] [] ? nouveau_fence_done+0x4d/0x85 [nouveau] Mar 25 13:01:47 b1b1 kernel: [52047.856045] [] ? nouveau_fence_wait+0x43/0x12a [nouveau] Mar 25 13:01:47 b1b1 kernel: [52047.856045] [] ? nouveau_fence_done+0x4d/0x85 [nouveau] Mar 25 13:01:47 b1b1 kernel: [52047.856045] [] ? ttm_bo_wait+0xa2/0x158 [ttm] Mar 25 13:01:47 b1b1 kernel: [52047.856045] [] ? nouveau_gem_ioctl_cpu_prep+0x4c/0x7d [nouveau] Mar 25 13:01:47 b1b1 kernel: [52047.856045] [] ? drm_ioctl+0x27b/0x3ba [drm] Mar 25 13:01:47 b1b1 kernel: [52047.856045] [] ? lru_add_drain+0xe/0x10 Mar 25 13:01:47 b1b1 kernel: [52047.856045] [] ? nouveau_gem_ioctl_pushbuf+0xcb3/0xcb3 [nouveau] Mar 25 13:01:47 b1b1 kernel: [52047.856045] [] ? current_kernel_time+0x9/0x30 Mar 25 13:01:47 b1b1 kernel: [52047.856045] [] ? nouveau_drm_ioctl+0x4d/0x84 [nouveau] Mar 25 13:01:47 b1b1 kernel: [52047.856045] [] ? do_vfs_ioctl+0x3f1/0x43a Mar 25 13:01:47 b1b1 kernel: [52047.856045] [] ? mntput_no_expire+0x17/0x10e Mar 25 13:01:47 b1b1 kernel: [52047.856045] [] ? SyS_ioctl+0x4e/0x7b Mar 25 13:01:47 b1b1 kernel: [52047.856045] [] ? system_call_fastpath+0x16/0x1b Mar 25 13:01:47 b1b1 kernel: [52047.856045] Code: 7d 28 00 0f 94 c0 48 83 c4 10 5b 5d 41 5c 41 5d 41 5e c3 41 57 41 56 41 88 f6 41 55 41 54 55 48 89 fd 53 48 83 ec 48 48 8b 47 28 <4c> 8b 68 08 49 8b bd 08 01 00 00 e8 5b fd ff ff 48 8b 50 10 49 Mar 25 13:01:47 b1b1 kernel: [52047.856045] RIP [] nouveau_fence_wait_uevent+0x18/0x33b [nouveau] Mar 25 13:01:47 b1b1 kernel: [52047.856045] RSP Mar 25 13:01:47 b1b1 kernel: [52047.856045] CR2: 0000000000000008 Mar 25 13:01:47 b1b1 kernel: [52047.891776] ---[ end trace dc9612f88a689f21 ]--- Mar 25 13:01:48 b1b1 kernel: [52048.257326] [drm:drm_release] *ERROR* Device busy: 1 Mar 25 13:01:52 b1b1 kernel: [52052.378057] [drm:drm_release] *ERROR* Device busy: 1 Mar 25 13:01:52 b1b1 kernel: [52052.733904] [drm:drm_release] *ERROR* Device busy: 1 Mar 25 13:01:52 b1b1 kernel: [52052.734171] [drm:drm_release] *ERROR* Device busy: 1 Mar 25 13:01:52 b1b1 kernel: [52052.734505] [drm:drm_release] *ERROR* Device busy: 1