[60896.910842] BUG: unable to handle kernel NULL pointer dereference at (null) [60896.910882] IP: [< (null)>] (null) [60896.910907] PGD 0 [60896.910923] Oops: 0010 [#1] SMP [60896.910952] Modules linked in: rfcomm bnep fc2580 rtl2832 snd_hda_codec_realt ek dvb_usb_rtl28xxu dvb_usb_v2 snd_hda_intel ath9k snd_hda_codec rc_core rtl2830 uvcvideo dvb_core btusb bluetooth crc16 videobuf2_core videodev videobuf2_vmall oc videobuf2_memops mac80211 snd_hwdep snd_pcm snd_timer ath9k_common ath9k_hw b roadcom snd tg3 coretemp ath nouveau i2c_i801 libphy ttm acer_wmi cfg80211 iTCO_ wdt iTCO_vendor_support soundcore lpc_ich mfd_core snd_page_alloc rfkill microco de [60896.911299] CPU 2 [60896.911312] Pid: 2190, comm: X Not tainted 3.7.0-gentoo #1 Acer Aspire 5742G/ Aspire 5742G [60896.911346] RIP: 0010:[<0000000000000000>] [< (null)>] (n ull) [60896.911376] RSP: 0018:ffff88024f319cf0 EFLAGS: 00010246 [60896.911396] RAX: ffffffffa0162140 RBX: ffff880251fad300 RCX: 00000000e0000000 [60896.911421] RDX: 0000000000000005 RSI: 0000000000000000 RDI: ffff880251fad300 [60896.911446] RBP: 0000000000000001 R08: 0000000000000000 R09: 00000000ffffffff [60896.911470] R10: ffffffffa00c209c R11: dead000000200200 R12: 0000000000000000 [60896.911495] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [60896.911520] FS: 00007f1f2918b880(0000) GS:ffff88025bc80000(0000) knlGS:00000 00000000000 [60896.911548] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [60896.911569] CR2: 0000000000000000 CR3: 0000000001a0b000 CR4: 00000000000007e0 [60896.911593] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [60896.911617] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [60896.911641] Process X (pid: 2190, threadinfo ffff88024f318000, task ffff88024 e9eda20) [60896.911667] Stack: [60896.911679] ffffffffa00a6b7c ffff88024ffa7730 ffff88024ffa7730 ffffffffa015a 433 [60896.911720] ffff88024ffa7720 ffff88024ffa7748 ffffffffa00a5313 ffffffffa015a 5be [60896.911762] ffff880250e0c458 ffff880250e0c458 ffffffffa015a5be ffffffffa015a 433 [60896.911803] Call Trace: [60896.911833] [] ? nouveau_object_dec+0x23c/0x2e0 [nouveau] [60896.911865] [] ? nouveau_handle_fini+0x133/0x2b0 [nouveau] [60896.911895] [] ? nouveau_client_fini+0x5b/0xa0 [nouveau] [60896.911933] [] ? nouveau_cli_destroy+0x27/0x50 [nouveau] [60896.911962] [] ? drm_release+0x4da/0x590 [60896.911986] [] ? __fput+0x10a/0x210 [60896.912007] [] ? task_work_run+0x9e/0xc0 [60896.912033] [] ? do_exit+0x29b/0x900 [60896.912059] [] ? __fput+0x1e0/0x210 [60896.912092] [] ? mntput_no_expire+0x25/0x170 [60896.912124] [] ? do_group_exit+0x92/0xd0 [60896.912154] [] ? sys_exit_group+0x12/0x20 [60896.912187] [] ? system_call_fastpath+0x16/0x1b [60896.912221] Code: Bad RIP value. [60896.912259] RIP [< (null)>] (null) [60896.912290] RSP [60896.912305] CR2: 0000000000000000 [60896.912322] ---[ end trace a96729489c4943a2 ]--- [60896.912341] Fixing recursive fault but reboot is needed!