[ 34.968320] netpoll: netconsole: local port 6665 [ 34.968344] netpoll: netconsole: local IPv4 address 0.0.0.0 [ 34.968366] netpoll: netconsole: interface 'eno1' [ 34.968384] netpoll: netconsole: remote port 6666 [ 34.968402] netpoll: netconsole: remote IPv4 address 10.239.156.112 [ 34.968426] netpoll: netconsole: remote ethernet address 00:10:60:31:90:99 [ 34.968452] netpoll: netconsole: local IP 10.239.156.116 [ 34.968499] console [netcon0] enabled [ 34.968525] netconsole: network logging started [ 34.977065] console [netcon0] disabled [ 35.005754] netpoll: netconsole: local port 6665 [ 35.005779] netpoll: netconsole: local IPv4 address 0.0.0.0 [ 35.005800] netpoll: netconsole: interface 'eno1' [ 35.005818] netpoll: netconsole: remote port 6666 [ 35.005836] netpoll: netconsole: remote IPv4 address 10.239.156.112 [ 35.005859] netpoll: netconsole: remote ethernet address 00:10:60:31:90:99 [ 35.005885] netpoll: netconsole: local IP 10.239.156.116 [ 35.005926] console [netcon0] enabled [ 35.005946] netconsole: network logging started [ 47.256842] Console: switching to colour dummy device 80x25 [ 47.282835] [drm:intel_crtc_set_config] [CRTC:19] [FB:53] #connectors=1 (x y) (0 0) [ 47.282846] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:19], mode_changed=0, fb_changed=0 [ 47.282849] [drm:intel_modeset_stage_output_state] [CONNECTOR:29:VGA-1] to [CRTC:19] [ 47.282853] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 1, prepare: 1, disable: 0 [ 47.282856] [drm:connected_sink_compute_bpp] [CONNECTOR:29:VGA-1] checking for sink bpp constrains [ 47.282860] [drm:ironlake_check_fdi_lanes] checking fdi config on pipe A, lanes 1 [ 47.282862] [drm:intel_modeset_pipe_config] plane bpp: 24, pipe bpp: 24, dithering: 0 [ 47.282865] [drm:intel_dump_pipe_config] [CRTC:19][modeset] config for pipe A [ 47.282867] [drm:intel_dump_pipe_config] cpu_transcoder: A [ 47.282869] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0 [ 47.282871] [drm:intel_dump_pipe_config] fdi/pch: 1, lanes: 1, gmch_m: 3029219, gmch_n: 4194304, link_m: 126217, link_n: 524288, tu: 64 [ 47.282874] [drm:intel_dump_pipe_config] dp: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0 [ 47.282876] [drm:intel_dump_pipe_config] dp: 0, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0 [ 47.282879] [drm:intel_dump_pipe_config] audio: 0, infoframes: 0 [ 47.282881] [drm:intel_dump_pipe_config] requested mode: [ 47.282884] [drm:drm_mode_debug_printmodeline] Modeline 0:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa [ 47.282886] [drm:intel_dump_pipe_config] adjusted mode: [ 47.282888] [drm:drm_mode_debug_printmodeline] Modeline 0:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa [ 47.282892] [drm:intel_dump_crtc_timings] crtc timings: 65000 1024 1048 1184 1344 768 771 777 806, type: 0x40 flags: 0xa [ 47.282952] [drm:intel_dump_pipe_config] port clock: 270000 [ 47.282954] [drm:intel_dump_pipe_config] pipe src size: 1024x768 [ 47.282957] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000 [ 47.282959] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled [ 47.282961] [drm:intel_dump_pipe_config] ips: 0 [ 47.282963] [drm:intel_dump_pipe_config] double wide: 0 [ 47.282965] [drm:intel_crtc_set_config] [CRTC:23] [NOFB] [ 47.282973] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:23], mode_changed=0, fb_changed=0 [ 47.282976] [drm:intel_modeset_stage_output_state] [CONNECTOR:29:VGA-1] to [CRTC:19] [ 47.282979] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 0, prepare: 0, disable: 0 [ 47.282981] [drm:intel_crtc_set_config] [CRTC:27] [NOFB] [ 47.282983] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:27], mode_changed=0, fb_changed=0 [ 47.282986] [drm:intel_modeset_stage_output_state] [CONNECTOR:29:VGA-1] to [CRTC:19] [ 47.282988] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 0, prepare: 0, disable: 0 [ 47.296880] drm_kms_helper: drm: unregistered panic notifier [ 47.304745] [drm:intel_crtc_set_config] [CRTC:19] [NOFB] [ 47.304757] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:19], mode_changed=1, fb_changed=0 [ 47.304760] [drm:intel_modeset_stage_output_state] [CONNECTOR:29:VGA-1] to [NOCRTC] [ 47.304762] [drm:intel_modeset_stage_output_state] encoder changed, full mode switch [ 47.304765] [drm:intel_modeset_stage_output_state] crtc changed, full mode switch [ 47.304767] [drm:intel_modeset_stage_output_state] crtc disabled, full mode switch [ 47.304770] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 0, prepare: 0, disable: 1 [ 47.330749] [drm:hsw_crt_post_disable] Disabling SPLL [ 47.330764] [drm:intel_fbc_update] no output, disabling [ 47.330769] [drm:drm_atomic_set_fb_for_plane] Set [NOFB] for plane state ffff8800da1f1300 [ 47.330779] [drm:intel_display_power_put] disabling display [ 47.330782] [drm:hsw_set_power_well] Requesting to disable the power well [ 47.330784] [drm:intel_display_power_put] disabling always-on [ 47.330788] [drm:check_encoder_state] [ENCODER:30:DAC-30] [ 47.330791] [drm:check_encoder_state] [ENCODER:31:TMDS-31] [ 47.330793] [drm:check_encoder_state] [ENCODER:33:DP MST-33] [ 47.330795] [drm:check_encoder_state] [ENCODER:34:DP MST-34] [ 47.330797] [drm:check_encoder_state] [ENCODER:35:DP MST-35] [ 47.330799] [drm:check_encoder_state] [ENCODER:40:TMDS-40] [ 47.330801] [drm:check_encoder_state] [ENCODER:42:DP MST-42] [ 47.330802] [drm:check_encoder_state] [ENCODER:43:DP MST-43] [ 47.330804] [drm:check_encoder_state] [ENCODER:44:DP MST-44] [ 47.330806] [drm:check_crtc_state] [CRTC:19] [ 47.330809] [drm:check_crtc_state] [CRTC:23] [ 47.330810] [drm:check_crtc_state] [CRTC:27] [ 47.330812] [drm:check_shared_dpll_state] WRPLL 1 [ 47.330815] [drm:check_shared_dpll_state] WRPLL 2 [ 47.330826] [drm:i915_get_vblank_timestamp] crtc 0 is disabled [ 47.330830] [drm:gm45_get_vblank_counter] trying to get vblank count for disabled pipe A [ 47.330833] [drm:i915_get_vblank_timestamp] crtc 0 is disabled [ 47.330835] [drm:gm45_get_vblank_counter] trying to get vblank count for disabled pipe A [ 47.330838] [drm:i915_get_vblank_timestamp] crtc 1 is disabled [ 47.330840] [drm:gm45_get_vblank_counter] trying to get vblank count for disabled pipe B [ 47.330842] [drm:i915_get_vblank_timestamp] crtc 1 is disabled [ 47.330845] [drm:gm45_get_vblank_counter] trying to get vblank count for disabled pipe B [ 47.330847] [drm:i915_get_vblank_timestamp] crtc 2 is disabled [ 47.330849] [drm:gm45_get_vblank_counter] trying to get vblank count for disabled pipe C [ 47.330851] [drm:i915_get_vblank_timestamp] crtc 2 is disabled [ 47.330853] [drm:gm45_get_vblank_counter] trying to get vblank count for disabled pipe C [ 47.332841] BUG: unable to handle kernel NULL pointer dereference at 0000000000000001 [ 47.332847] IP: [] kmem_cache_alloc+0xd9/0x113 [ 47.332853] PGD 1195a5067 PUD 11937d067 PMD 0 [ 47.332856] Oops: 0000 [#1] SMP [ 47.332860] Modules linked in: netconsole configfs ip6table_filter ip6_tables ipv6 iptable_filter ip_tables ebtable_nat ebtables x_tables dm_mod snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support dcdbas i2c_i801 pcspkr serio_raw snd_hda_controller snd_hda_codec snd_hwdep lpc_ich shpchp mfd_core snd_pcm snd_timer snd soundcore battery acpi_cpufreq i915(-) button video drm_kms_helper drm cfbfillrect cfbimgblt cfbcopyarea [last unloaded: snd_hda_intel] [ 47.332896] CPU: 3 PID: 1078 Comm: kworker/u16:3 Not tainted 3.19.0-rc4_drm-intel-nightly_9c4bdc_20150114+ #410 [ 47.332899] Hardware name: Dell Inc. OptiPlex 9020/0DNKMN, BIOS A03 09/17/2013 [ 47.332904] Workqueue: khelper __call_usermodehelper [ 47.332906] task: ffff880119690000 ti: ffff880114490000 task.ti: ffff880114490000 [ 47.332908] RIP: 0010:[] [] kmem_cache_alloc+0xd9/0x113 [ 47.332912] RSP: 0018:ffff880114493c18 EFLAGS: 00010282 [ 47.332926] RAX: 0000000000000000 RBX: ffff880115d59de0 RCX: 0000000000001282 [ 47.332928] RDX: 0000000000001281 RSI: 00000000000000d0 RDI: ffff88011a003900 [ 47.332930] RBP: 0000000000000001 R08: 0000000000015520 R09: ffffffff8104a2ae [ 47.332932] R10: ffff8800db07f4d8 R11: ffffffff81bd1d18 R12: ffff88011a003900 [ 47.332934] R13: 00000000000000d0 R14: ffffffff8104f7cb R15: 0000000000800111 [ 47.332936] FS: 0000000000000000(0000) GS:ffff88011eac0000(0000) knlGS:0000000000000000 [ 47.332938] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.332940] CR2: 0000000000000001 CR3: 00000001167d0000 CR4: 00000000001407e0 [ 47.332994] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.332996] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.332998] Stack: [ 47.332999] 0000000000000000 ffff880115d59de0 ffffffff81bc1e00 0000000000000000 [ 47.333003] ffff8800025e4000 ffff8800daecc000 0000000000800111 ffffffff8104f7cb [ 47.333007] ffff880114493d54 ffffffff8110e859 0000000000000000 0000000000000000 [ 47.333011] Call Trace: [ 47.333014] [] ? alloc_pid+0x22/0x3b7 [ 47.333017] [] ? kmem_cache_alloc+0x27/0x113 [ 47.333020] [] ? kmem_cache_alloc+0x27/0x113 [ 47.333024] [] ? copy_process.part.36+0xd98/0x160a [ 47.333027] [] ? __call_usermodehelper+0x3e/0x3e [ 47.333030] [] ? do_fork+0xb4/0x2e0 [ 47.333032] [] ? kernel_thread+0x1e/0x20 [ 47.333035] [] ? __call_usermodehelper+0x2f/0x3e [ 47.333038] [] ? process_one_work+0x1ad/0x31a [ 47.333041] [] ? worker_thread+0x255/0x350 [ 47.333044] [] ? process_scheduled_works+0x25/0x25 [ 47.333046] [] ? kthread+0xc5/0xcd [ 47.333049] [] ? kthread_freezable_should_stop+0x40/0x40 [ 47.333053] [] ? ret_from_fork+0x7c/0xb0 [ 47.333056] [] ? kthread_freezable_should_stop+0x40/0x40 [ 47.333058] Code: e9 4d 89 f8 4c 89 f1 48 89 ea 48 89 de 41 ff 14 24 49 83 c4 10 49 83 3c 24 00 eb 36 eb 38 49 63 44 24 20 4d 8b 04 24 48 8d 4a 01 <48> 8b 5c 05 00 48 89 e8 65 49 0f c7 08 0f 94 c0 84 c0 0f 85 78 [ 47.333098] RIP [] kmem_cache_alloc+0xd9/0x113 [ 47.333101] RSP [ 47.333102] CR2: 0000000000000001 [ 47.333105] ---[ end trace 0e850f2f346708bd ]--- [ 47.333107] general protection fault: 0000 [#2] SMP [ 47.333108] Modules linked in: netconsole configfs ip6table_filter ip6_tables ipv6 iptable_filter ip_tables ebtable_nat ebtables x_tables dm_mod snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support dcdbas i2c_i801 pcspkr serio_raw snd_hda_controller snd_hda_codec snd_hwdep lpc_ich shpchp mfd_core snd_pcm snd_timer snd soundcore battery acpi_cpufreq i915(-) button video drm_kms_helper drm cfbfillrect cfbimgblt cfbcopyarea [last unloaded: snd_hda_intel] [ 47.333162] CPU: 5 PID: 4009 Comm: kworker/u16:3 Tainted: G D 3.19.0-rc4_drm-intel-nightly_9c4bdc_20150114+ #410 [ 47.333167] Hardware name: Dell Inc. OptiPlex 9020/0DNKMN, BIOS A03 09/17/2013 [ 47.333171] task: ffff8800daecd800 ti: ffff8800027f4000 task.ti: ffff8800027f4000 [ 47.333174] RIP: 0010:[] [] free_pid+0x3c/0x111 [ 47.333181] RSP: 0018:ffff8800027f7e28 EFLAGS: 00010046 [ 47.333184] RAX: 0000000000000000 RBX: ffffffff81bc1e00 RCX: dead000000200200 [ 47.333187] RDX: ffff8800da1f1330 RSI: ffff8800da1f1308 RDI: ffffffff81b92140 [ 47.333191] RBP: ffff8800da1f1300 R08: dead000000200200 R09: 000000000000001f [ 47.333194] R10: 0000000000000006 R11: 000000000000001a R12: 0000000000000000 [ 47.333198] R13: 0000000000000046 R14: 0000000000000000 R15: 0000000000000000 [ 47.333201] FS: 0000000000000000(0000) GS:ffff88011eb40000(0000) knlGS:0000000000000000 [ 47.333205] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.333208] CR2: 00007f7260547000 CR3: 0000000002709000 CR4: 00000000001407e0 [ 47.333211] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.333215] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.333217] Stack: [ 47.333219] ffff8800da1f1308 ffff8800daecd800 ffff880118d8e600 ffff880002a498c0 [ 47.333226] 0000000000000001 ffffffff8103c9d7 ffff880119701248 0000000000000000 [ 47.333232] 0000000000000001 ffffffff81bc8700 0000000000000001 ffff8800daecd800 [ 47.333239] Call Trace: [ 47.333244] [] ? release_task+0x239/0x3da [ 47.333249] [] ? do_exit+0x7cd/0x91d [ 47.333253] [] ? ____call_usermodehelper+0x119/0x120 [ 47.333258] [] ? __call_usermodehelper+0x3e/0x3e [ 47.333263] [] ? ret_from_fork+0x7c/0xb0 [ 47.333266] [] ? __call_usermodehelper+0x3e/0x3e [ 47.333269] Code: 81 53 56 e8 73 f5 74 00 49 89 c5 e9 a4 00 00 00 49 63 c4 48 c1 e0 05 48 8d 54 05 30 48 8b 42 10 48 8b 4a 18 48 8b 5a 08 48 85 c0 <48> 89 01 74 04 48 89 48 08 48 b9 00 02 20 00 00 00 ad de 48 89 [ 47.333322] RIP [] free_pid+0x3c/0x111 [ 47.333325] RSP [ 47.333327] ---[ end trace 0e850f2f346708be ]--- [ 47.333329] Fixing recursive fault but reboot is needed!