A trace has recently shown up during a failed shutdown; the following is the OCR translation obtained from a picture (available as attachment), meaning some decoding errors may be still there, especially in the "Modules linked in" section that I have not checked:
wait-for-state stop/waiting * Stopping rsync daemon rsync * speech-dispatcher disabled; edit /etc/default/speech-dispatcher * Stopping uuidd generator uuidd * Asking all remaining processes to terminate... * Killing all remaining processes... ModemManager(1044]: <warn> Could not acquire the 'org.freedesktop.ModemManageris service name modemManager(1044]: <info> ModemManager is shut down Deactivating swap... [ 3944.666185] BUG: unable to handle kernel NULL pointer dereference at (null) [ 3944.666206] IP: [< (null)>] (null) [ 3944.666219] PGD 0 [ 3944.666225] Oops: 0010 [#1] SMP [ 3944.666234] Modules linked in: ctr ccm rfComm bnep nls_iso8859....1 snd_hda_codec_realtek snd-hda-codec-geheric snd-hda-codec-hdmi IP6t-REJECT xt_hl iP6t_rt nf_conntrack_ipv6 nf_defrag_ipv6 ipt_REJECT arc4 xt_t_OG xt_limit xt_tcpudp x We nf-conntracK-IPv4 nf_defrag_ipv4 xt_conntrack intel_rapi rt18723ae ip6table_filter ip6_tables rt18723_common x86_0(g_temp_thermal rti_pci intei_powerclamp uvcvideo nf_conntrack_netbios_ns rt lwif i coretemp nf_conntrack_broadcast nf_nat_ftp mace snd_hda_intel kvm_intel snd_hda_controller nf_nat videobuf2_vmalloc snd_hda_codec Kvm snd_hwdep nf_conntrack_ftp videobuf2_memops videobuf2_core nf_conntrack snd_pcm v412_common 1915 videodev iptable_filter media es snd_seq_midi snd_seq_midi_event cfg80211 snd_rawmidi crctlOdif_pcIml snd_seq x_tables crc32_pclmul btusb ghash_clmuli_intel ttm aesni_intel snd_seq_device drm_kms_helper bluetooth aes_x86_64 snd_timer irw drm snd gf128mui rtsx lue_helper soundcore memstick 6lowpan_lphc ablk_helper jdydev i2c_algd_bit cryptd mei_me IPc_ich mei shpchp serio_raw parport_pc ppdev msi_wmi sparse_keymap mxm_wmi 1p wmi soc_button_array parport mac hid video hid_generic usbhid b_storage rtsx_pci_sdmac ahci psmouse alx libahci rtsx_pci mdio [ 3944.666555] CPU: 5 PID: 1584 Comm: Xorg Tainted: S I 3.16.0-24-generic #32-Ubuntu [ 3944.666574] Hardware name: Micro-Star International Co., Ltd. GE 30 6.0-24 BIOS El6GCIMS.511 08/27/2013 [ 3944.666596] task! ffff880437739e90 ti: ffff880427824000 task.ti: ffff880427824000 [ 3944.666612] RIP: 0010:[<0000000000000000>] [< (null)>] (null) 1 3944.666628] RSP: 0018:ffff880427827b60 EFLAGS: 00010246 ( 3944.666640] RAX: ffffffffc0acd040 RBX: ffff880438c47800 RCX: 00000000e00000:11) ( 3944.666655] RDX: ffffffffc0abfaa7 RSI: 0000000000000000 RDI: ffff880438c47800 [ 3944.666670] RBP: ffff880427827b80 R08: 0000000Offffffff R09: ffffffffc0abf9a8 [ 3944.666686] R10: ffffffffc0a2cb58 R11: ffff880438c47a00 R12: 0000000000000001 [ 3944.666701] R13: 0000000000000000 R14: ffff880435282d30 R15: ffff8804360d3088 [ 3944.666716] FS: 00007f4c73ad99c0(0000) GSOfff88044fb40000(0000) knIGS:0000000000000000 [ 3944.666733] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 394406667451 CR2: 0000000000000000 CR3: 0000000002c13000 CR4: 00000000001407e0 [ 3944.6667601 Stack: [ 3944.666765] ffffffff209e7065 ffff880435282d20 ffff880435282d48 0000000000000000 [ 3944.666783] ffff880427827bd0 ffffffffc09ed98a ffff880427827bc0 ffffffffc0abf9a8 [ 3944.666802] 0000000000000000 0000000000000000 ffff880438c47800 ffffffffc0abf810 [ 3944.666820] Call Trace: [ 3944.666838] kffffffffc09ef065>] ? nouveau_object_dec+0x125/0x2a0 [nouveau] [ 3944.666858] [afffffffc09ed98a>] nouveau_handle_fini+Oxlfa/Ox2a0 [nouveau] [ 3944.666878] [Offfffffc09ecld3>] nouveau_client_fini+Ox53/0x80 [nouveau] [ 3944.666907] [afffffffc0a6e16f>] nouveau_cli_destroy+Ox2f/Ox50 [nouveau] [ 3944.666934] [<ffffffffc0a6e25b>] nouveau_drm_postclose+Ox1b/Ox50 [nouveau] [ 3944.666956] [dfffffffc03fdce4>] drm_release+Ox334/0x640 [dm] [ 3944.666970] Wfffffff821e26b4>] __fput+Oxe4/0x240 [ 3944.666981] [afffffff821e285e>] ____f_put+Oxe/Ox10 [ 3944.666994] l<ffffffff820919c0] task_work_run+Oxd4/Oxf0 [ 3944.6670071 (afffffff820725c7>] do_exit+Ox377/0xab0 [ 3944.667023] kffffffffc09eef27>] ? nouveau_object_del+0x97/OxbO [nouveau] [ 3944.667039] [<ffffffff82072d83>] do_group_exit+Ox43/0xc0 [ 3944.667052] Wfffffff8208312.b] get_signal_to_deliver+Ox29f/Ox8d0 ( 3944.667067] Uffffffff82012588>] do_signal+0x48/OxbOO ( 3944.6670911 kffffffffc0a6e0da>] ? nouveau_drm_ioct1+0x8a/Oxa0 [nouveau] [ 3944.667106] (Offfffff8204bc8>] ? do_vfs_ioctl+0x2c8/0x4a0 [ 3944.667120] kffffffff820130c9>] do_notiy_resume+Ox69/OxbO ( 3944.667133] [afffffff82787faw] int_signal+0x12/0x17 ( 3944.667144] Code: Bad RIP value. ( 3944.667154] RIP (< (null)>] (null) ( 3944.667166] RSP <ffff880427827b60> ( 3944.667174] CR2: 0000000000000000 Nouveau is clearly involved in the bug. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-nouveau in Ubuntu. https://bugs.launchpad.net/bugs/1388530 Title: 14.10 freezes during shutdown on MSI GE60 with Nvidia Geforce GTX 765M To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/1388530/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
