[ 34.430287] init: startpar-bridge (tty4--started) main process (984) terminated with status 127 [ 34.431205] init: startpar-bridge (tty5--started) main process (985) terminated with status 127 [ 34.432832] init: startpar-bridge (thermald--started) main process (986) terminated with status 127 [ 34.434242] init: startpar-bridge (tty2--started) main process (987) terminated with status 127 [ 34.435516] init: startpar-bridge (tty3--started) main process (988) terminated with status 127 [ 34.436928] init: startpar-bridge (dmesg--started) main process (989) terminated with status 127 [ 34.438193] init: startpar-bridge (tty6--started) main process (990) terminated with status 127 [ 34.439111] init: startpar-bridge (rc-sysinit--stopped) main process (991) terminated with status 127 [ 35.171339] init: startpar-bridge (cron--started) main process (1068) terminated with status 127 [ 35.171703] init: startpar-bridge (atd--started) main process (1069) terminated with status 127 [ 35.174946] init: startpar-bridge (anacron--started) main process (1071) terminated with status 127 [ 35.177511] init: startpar-bridge (plymouth-stop--started) main process (1072) terminated with status 127 [ 35.179824] init: startpar-bridge (network-interface-security-networking-started) main process (1073) terminated with status 127 [ 35.183280] init: startpar-bridge (irqbalance--started) main process (1074) terminated with status 127 [ 35.186213] init: startpar-bridge (dmesg--stopped) main process (1075) terminated with status 127 [ 35.188292] init: startpar-bridge (alsa-restore--stopped) main process (1076) terminated with status 127 [ 35.602433] init: startpar-bridge (gpu-manager--started) main process (1078) terminated with status 127 [ 35.602868] init: startpar-bridge (acpid--started) main process (1080) terminated with status 127 [ 35.603263] init: startpar-bridge (anacron--stopped) main process (1081) terminated with status 127 [ 35.691496] audit_printk_skb: 45 callbacks suppressed [ 35.691500] audit: type=1400 audit(1415286884.434:35): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/cups-browsed" pid=1120 comm="apparmor_parser" [ 35.817582] init: startpar-bridge (networking--started) main process (1138) terminated with status 127 [ 35.820891] init: startpar-bridge (alsa-state--stopped) main process (1139) terminated with status 127 [ 36.354419] init: startpar-bridge (apport--started) main process (1141) terminated with status 127 [ 36.354910] init: startpar-bridge (cups-browsed--started) main process (1147) terminated with status 127 [ 36.433397] init: startpar-bridge (wait-for-state-whoopsienetwork-manager-started) main process (1148) terminated with status 127 [ 39.071506] init: startpar-bridge (lightdm--started) main process (1388) terminated with status 127 [ 39.999302] init: startpar-bridge (mountall-net--started) main process (1527) terminated with status 127 [ 40.026981] init: startpar-bridge (mountall-net--stopped) main process (1540) terminated with status 127 [ 40.260362] init: plymouth-upstart-bridge main process ended, respawning [ 40.278018] init: startpar-bridge (plymouth-upstart-bridge--started) main process (1585) terminated with status 127 [ 40.309506] init: plymouth-upstart-bridge main process ended, respawning [ 40.439980] init: startpar-bridge (plymouth-upstart-bridge--stopped) main process (1587) terminated with status 127 [ 40.440456] init: startpar-bridge (plymouth--stopped) main process (1588) terminated with status 127 [ 40.440862] init: startpar-bridge (plymouth-stop--stopped) main process (1589) terminated with status 127 [ 40.526696] systemd-logind[816]: Failed to start user service: Unknown unit: user@112.service [ 40.535332] systemd-logind[816]: New session c1 of user lightdm. [ 41.067408] init: startpar-bridge (rc--stopped) main process (1623) terminated with status 127 [ 41.125292] init: plymouth-stop pre-start process (1624) terminated with status 1 [ 41.127021] init: startpar-bridge (tty1--started) main process (1628) terminated with status 127 [ 41.273187] init: startpar-bridge (setvtrgb--started) main process (1630) terminated with status 127 [ 41.274921] init: startpar-bridge (plymouth-stop--stopped) main process (1631) terminated with status 127 [ 41.276828] init: startpar-bridge (setvtrgb--stopped) main process (1632) terminated with status 127 [ 44.244570] init: startpar-bridge (udevtrigger--stopped) main process (1646) terminated with status 127 [ 44.427387] init: startpar-bridge (udevmonitor--stopped) main process (1647) terminated with status 127 [ 44.427825] init: startpar-bridge (irqbalance--stopped) main process (1649) terminated with status 127 [ 44.522929] init: startpar-bridge (udev-finish--started) main process (1654) terminated with status 127 [ 54.234851] systemd-logind[816]: Failed to start user service: Unknown unit: user@1000.service [ 54.241512] systemd-logind[816]: New session c2 of user alan. [ 57.166569] init: startpar-bridge (gpu-manager--stopped) main process (1988) terminated with status 127 [ 57.188267] init: startpar-bridge (gdm--started) main process (2003) terminated with status 127 [ 57.292165] init: startpar-bridge (plymouth-ready-startup-stopped) main process (2032) terminated with status 127 [ 57.370695] init: gdm main process (1989) killed by TERM signal [ 57.466097] init: startpar-bridge (gdm--stopped) main process (2034) terminated with status 127 [ 59.287638] audit: type=1400 audit(1415286908.028:36): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/lib/cups/backend/cups-pdf" pid=2155 comm="apparmor_parser" [ 59.287654] audit: type=1400 audit(1415286908.028:37): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd" pid=2155 comm="apparmor_parser" [ 59.304150] audit: type=1400 audit(1415286908.048:38): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="third_party" pid=2155 comm="apparmor_parser" [ 60.997984] init: startpar-bridge (cups--started) main process (2276) terminated with status 127 [ 66.665957] init: wait-for-state (whoopsienetwork-manager) main process (1140) terminated with status 100 [ 66.752216] init: startpar-bridge (wait-for-state-whoopsienetwork-manager-stopped) main process (2343) terminated with status 127 [ 66.810331] init: startpar-bridge (whoopsie--started) main process (2349) terminated with status 127 [ 193.321714] perf interrupt took too long (2501 > 2500), lowering kernel.perf_event_max_sample_rate to 50000 [ 878.950834] perf interrupt took too long (5018 > 5000), lowering kernel.perf_event_max_sample_rate to 25000 [ 2536.984046] ------------[ cut here ]------------ [ 2536.984113] WARNING: CPU: 0 PID: 1042 at /build/buildd/linux-3.16.0/drivers/gpu/drm/i915/intel_display.c:3324 intel_crtc_wait_for_pending_flips+0x131/0x140 [i915]() [ 2536.984115] Modules linked in: rfcomm bnep bluetooth 6lowpan_iphc binfmt_misc uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev media wl(POE) snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi coretemp snd_seq serio_raw snd_seq_device snd_timer cfg80211 lpc_ich i915 snd drm_kms_helper drm i2c_algo_bit soundcore shpchp joydev acer_wmi mxm_wmi sparse_keymap ene_ir wmi video rc_core mac_hid vboxdrv(OE) parport_pc ppdev lp parport ahci psmouse libahci atl1c [ 2536.984158] CPU: 0 PID: 1042 Comm: Xorg Tainted: P OE 3.16.0-25-generic #33-Ubuntu [ 2536.984160] Hardware name: Acer Aspire 5734Z /Aspire 5734Z , BIOS V1.06 04/25/2011 [ 2536.984162] 00000000 00000000 ef1bfd04 c16bca2b 00000000 ef1bfd38 c105eec2 c18b1284 [ 2536.984168] 00000000 00000412 f8bf48cc 00000cfc f8ba5e91 00000cfc f8ba5e91 00000000 [ 2536.984173] f2dd8000 ef6f44d8 ef1bfd48 c105ef82 00000009 00000000 ef1bfd74 f8ba5e91 [ 2536.984179] Call Trace: [ 2536.984190] [] dump_stack+0x41/0x52 [ 2536.984195] [] warn_slowpath_common+0x82/0xa0 [ 2536.984216] [] ? intel_crtc_wait_for_pending_flips+0x131/0x140 [i915] [ 2536.984236] [] ? intel_crtc_wait_for_pending_flips+0x131/0x140 [i915] [ 2536.984239] [] warn_slowpath_null+0x22/0x30 [ 2536.984259] [] intel_crtc_wait_for_pending_flips+0x131/0x140 [i915] [ 2536.984264] [] ? prepare_to_wait_event+0xe0/0xe0 [ 2536.984284] [] intel_crtc_disable_planes+0x2e/0x190 [i915] [ 2536.984304] [] i9xx_crtc_disable+0x3f/0x3b0 [i915] [ 2536.984335] [] ? drm_modeset_lock+0x26/0xd0 [drm] [ 2536.984356] [] intel_crtc_update_dpms+0x5c/0x90 [i915] [ 2536.984377] [] intel_connector_dpms+0x59/0x70 [i915] [ 2536.984391] [] drm_mode_obj_set_property_ioctl+0x44a/0x470 [drm] [ 2536.984404] [] drm_mode_connector_property_set_ioctl+0x33/0x40 [drm] [ 2536.984417] [] ? drm_mode_obj_set_property_ioctl+0x470/0x470 [drm] [ 2536.984427] [] drm_ioctl+0x1f5/0x560 [drm] [ 2536.984433] [] ? __queue_work+0x102/0x2d0 [ 2536.984445] [] ? drm_mode_obj_set_property_ioctl+0x470/0x470 [drm] [ 2536.984452] [] ? sysfs_notify+0x49/0x80 [ 2536.984457] [] ? backlight_generate_event+0x4a/0x60 [ 2536.984461] [] ? brightness_store+0x9f/0xe0 [ 2536.984465] [] ? common_file_perm+0x3f/0xe0 [ 2536.984469] [] ? _copy_to_user+0x26/0x30 [ 2536.984473] [] ? backlight_resume+0x70/0x70 [ 2536.984482] [] ? drm_ioctl_flags+0x30/0x30 [drm] [ 2536.984488] [] do_vfs_ioctl+0x302/0x510 [ 2536.984491] [] ? kernfs_fop_write+0x5d/0x160 [ 2536.984496] [] ? __sb_end_write+0x31/0x70 [ 2536.984499] [] ? vfs_write+0x165/0x1e0 [ 2536.984504] [] ? __fget_light+0x22/0x60 [ 2536.984507] [] SyS_ioctl+0x60/0x90 [ 2536.984513] [] sysenter_do_call+0x12/0x12 [ 2536.984515] ---[ end trace 4671dd158c074634 ]--- [ 2542.925139] systemd-logind[816]: New session c3 of user alan. [ 2722.420083] ------------[ cut here ]------------ [ 2722.420141] WARNING: CPU: 1 PID: 1042 at /build/buildd/linux-3.16.0/drivers/gpu/drm/i915/intel_display.c:3324 intel_crtc_wait_for_pending_flips+0x131/0x140 [i915]() [ 2722.420144] Modules linked in: rfcomm bnep bluetooth 6lowpan_iphc binfmt_misc uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev media wl(POE) snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi coretemp snd_seq serio_raw snd_seq_device snd_timer cfg80211 lpc_ich i915 snd drm_kms_helper drm i2c_algo_bit soundcore shpchp joydev acer_wmi mxm_wmi sparse_keymap ene_ir wmi video rc_core mac_hid vboxdrv(OE) parport_pc ppdev lp parport ahci psmouse libahci atl1c [ 2722.420216] CPU: 1 PID: 1042 Comm: Xorg Tainted: P W OE 3.16.0-25-generic #33-Ubuntu [ 2722.420220] Hardware name: Acer Aspire 5734Z /Aspire 5734Z , BIOS V1.06 04/25/2011 [ 2722.420223] 00000001 00000000 ef1bfd04 c16bca2b 00000000 ef1bfd38 c105eec2 c18b1284 [ 2722.420233] 00000001 00000412 f8bf48cc 00000cfc f8ba5e91 00000cfc f8ba5e91 00000000 [ 2722.420244] f2dd8000 ef6f44d8 ef1bfd48 c105ef82 00000009 00000000 ef1bfd74 f8ba5e91 [ 2722.420254] Call Trace: [ 2722.420266] [] dump_stack+0x41/0x52 [ 2722.420274] [] warn_slowpath_common+0x82/0xa0 [ 2722.420314] [] ? intel_crtc_wait_for_pending_flips+0x131/0x140 [i915] [ 2722.420353] [] ? intel_crtc_wait_for_pending_flips+0x131/0x140 [i915] [ 2722.420359] [] warn_slowpath_null+0x22/0x30 [ 2722.420397] [] intel_crtc_wait_for_pending_flips+0x131/0x140 [i915] [ 2722.420404] [] ? prepare_to_wait_event+0xe0/0xe0 [ 2722.420443] [] intel_crtc_disable_planes+0x2e/0x190 [i915] [ 2722.420481] [] i9xx_crtc_disable+0x3f/0x3b0 [i915] [ 2722.420513] [] ? drm_modeset_lock+0x26/0xd0 [drm] [ 2722.420553] [] intel_crtc_update_dpms+0x5c/0x90 [i915] [ 2722.420592] [] intel_connector_dpms+0x59/0x70 [i915] [ 2722.420618] [] drm_mode_obj_set_property_ioctl+0x44a/0x470 [drm] [ 2722.420644] [] drm_mode_connector_property_set_ioctl+0x33/0x40 [drm] [ 2722.420669] [] ? drm_mode_obj_set_property_ioctl+0x470/0x470 [drm] [ 2722.420688] [] drm_ioctl+0x1f5/0x560 [drm] [ 2722.420695] [] ? __queue_work+0x102/0x2d0 [ 2722.420719] [] ? drm_mode_obj_set_property_ioctl+0x470/0x470 [drm] [ 2722.420728] [] ? sysfs_notify+0x49/0x80 [ 2722.420735] [] ? backlight_generate_event+0x4a/0x60 [ 2722.420741] [] ? brightness_store+0x9f/0xe0 [ 2722.420747] [] ? common_file_perm+0x3f/0xe0 [ 2722.420753] [] ? _copy_to_user+0x26/0x30 [ 2722.420758] [] ? backlight_resume+0x70/0x70 [ 2722.420776] [] ? drm_ioctl_flags+0x30/0x30 [drm] [ 2722.420783] [] do_vfs_ioctl+0x302/0x510 [ 2722.420789] [] ? kernfs_fop_write+0x5d/0x160 [ 2722.420796] [] ? __sb_end_write+0x31/0x70 [ 2722.420801] [] ? vfs_write+0x165/0x1e0 [ 2722.420807] [] ? __fget_light+0x22/0x60 [ 2722.420813] [] SyS_ioctl+0x60/0x90 [ 2722.420819] [] sysenter_do_call+0x12/0x12 [ 2722.420823] ---[ end trace 4671dd158c074635 ]--- [ 2881.477639] hud-service[2075]: segfault at b3dfc990 ip b3dfc990 sp bf83a370 error 15 [ 2884.788502] systemd-logind[816]: Removed session c2. [ 2886.853805] systemd-logind[816]: New session c4 of user lightdm. [ 2891.727879] systemd-logind[816]: New session c5 of user alan. [ 2911.775742] systemd-logind[816]: Removed session c4.