[ 49.781590] gnome-shell[713]: segfault at 0 ip 00007f326fba0a22 sp 00007ffd6d9c1160 error 4 in libmutter.so.0.0.0[7f326fb52000+ee000] [ 51.189815] [drm:intel_dp_start_link_train [i915]] *ERROR* too many full retries, give up [ 52.037734] [drm:intel_dp_start_link_train [i915]] *ERROR* too many full retries, give up [ 52.885677] [drm:intel_dp_start_link_train [i915]] *ERROR* too many full retries, give up [ 53.733516] [drm:intel_dp_start_link_train [i915]] *ERROR* too many full retries, give up [ 54.581240] [drm:intel_dp_start_link_train [i915]] *ERROR* too many full retries, give up [ 55.428999] [drm:intel_dp_start_link_train [i915]] *ERROR* too many full retries, give up [ 56.276775] [drm:intel_dp_start_link_train [i915]] *ERROR* too many full retries, give up [ 56.277021] [drm:intel_dp_complete_link_train [i915]] *ERROR* failed to train DP, aborting [ 57.115079] [drm:intel_dp_start_link_train [i915]] *ERROR* too many full retries, give up [ 57.962835] [drm:intel_dp_start_link_train [i915]] *ERROR* too many full retries, give up [ 58.810674] [drm:intel_dp_start_link_train [i915]] *ERROR* too many full retries, give up [ 59.658586] [drm:intel_dp_start_link_train [i915]] *ERROR* too many full retries, give up [ 60.282653] [drm:check_crtc_state [i915]] *ERROR* mismatch in ips_enabled (expected 1, found 0) [ 60.282656] ------------[ cut here ]------------ [ 60.282665] WARNING: CPU: 1 PID: 645 at drivers/gpu/drm/i915/intel_display.c:12324 check_crtc_state+0x8df/0xf80 [i915]() [ 60.282666] pipe state doesn't match! [ 60.282666] Modules linked in: intel_rapl uvcvideo iosf_mbi btusb btrtl btbcm btintel videobuf2_vmalloc bluetooth videobuf2_memops videobuf2_core v4l2_common videodev media x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel fuse kvm crct10dif_pclmul joydev mousedev crc32_pclmul snd_hda_codec_hdmi snd_hda_codec_realtek crc32c_intel arc4 ghash_clmulni_intel aesni_intel i915 iTCO_wdt dell_wmi sparse_keymap ppdev iTCO_vendor_support iwlmvm mac80211 snd_hda_codec_generic snd_hda_intel snd_hda_codec iwlwifi aes_x86_64 lrw drm_kms_helper gf128mul cfg80211 dell_laptop snd_hda_core snd_hwdep snd_pcm dcdbas dell_smm_hwmon glue_helper snd_timer ablk_helper evdev input_leds mac_hid serio_raw snd e1000e drm cryptd soundcore psmouse pcspkr parport_pc parport wmi thermal ptp battery dell_rbtn intel_gtt pps_core [ 60.282703] rfkill video mei_me ac mei button lpc_ich i2c_i801 i2c_algo_bit shpchp processor dell_smo8800 sch_fq_codel ip_tables x_tables ext4 crc16 mbcache jbd2 sr_mod cdrom sd_mod hid_generic usbhid hid atkbd libps2 ahci libahci ehci_pci ehci_hcd libata xhci_pci sdhci_pci sdhci xhci_hcd scsi_mod led_class mmc_core usbcore usb_common i8042 serio [ 60.282725] CPU: 1 PID: 645 Comm: Xorg Not tainted 4.2.1-1-ARCH #1 [ 60.282726] Hardware name: Dell Inc. Latitude E5540/077XV9, BIOS A12 05/19/2015 [ 60.282727] 0000000000000000 0000000078e0b7ab ffff88020f6a3788 ffffffff8156b77a [ 60.282730] 0000000000000000 ffff88020f6a37e0 ffff88020f6a37c8 ffffffff81074846 [ 60.282732] 000000010f6a37d8 ffff880213ffcb50 ffff880214506000 ffff880213ffc800 [ 60.282734] Call Trace: [ 60.282739] [] dump_stack+0x4c/0x6e [ 60.282742] [] warn_slowpath_common+0x86/0xc0 [ 60.282744] [] warn_slowpath_fmt+0x55/0x70 [ 60.282752] [] check_crtc_state+0x8df/0xf80 [i915] [ 60.282757] [] ? drm_calc_vbltimestamp_from_scanoutpos+0x17a/0x330 [drm] [ 60.282767] [] intel_modeset_check_state+0x216/0xb50 [i915] [ 60.282775] [] ? __intel_set_mode+0x92c/0xb60 [i915] [ 60.282782] [] intel_crtc_set_config+0x4c7/0x580 [i915] [ 60.282789] [] drm_mode_set_config_internal+0x66/0x100 [drm] [ 60.282794] [] drm_mode_setcrtc+0x3e9/0x500 [drm] [ 60.282798] [] drm_ioctl+0x125/0x610 [drm] [ 60.282803] [] ? drm_mode_setplane+0x1b0/0x1b0 [drm] [ 60.282805] [] do_vfs_ioctl+0x295/0x480 [ 60.282808] [] ? __fget+0x77/0xb0 [ 60.282810] [] SyS_ioctl+0x79/0x90 [ 60.282811] [] ? SyS_poll+0x71/0x130 [ 60.282814] [] entry_SYSCALL_64_fastpath+0x12/0x71 [ 60.282816] ---[ end trace b7d6db37986b27ce ]--- [ 60.506473] [drm:intel_dp_start_link_train [i915]] *ERROR* too many full retries, give up [ 61.359026] [drm:intel_dp_start_link_train [i915]] *ERROR* too many full retries, give up [ 62.207181] [drm:intel_dp_start_link_train [i915]] *ERROR* too many full retries, give up [ 62.207429] [drm:intel_dp_complete_link_train [i915]] *ERROR* failed to train DP, aborting [ 63.041845] [drm:intel_dp_start_link_train [i915]] *ERROR* too many full retries, give up [ 63.889722] [drm:intel_dp_start_link_train [i915]] *ERROR* too many full retries, give up [ 64.737505] [drm:intel_dp_start_link_train [i915]] *ERROR* too many full retries, give up [ 65.585303] [drm:intel_dp_start_link_train [i915]] *ERROR* too many full retries, give up [ 66.433127] [drm:intel_dp_start_link_train [i915]] *ERROR* too many full retries, give up [ 67.281089] [drm:intel_dp_start_link_train [i915]] *ERROR* too many full retries, give up [ 68.128957] [drm:intel_dp_start_link_train [i915]] *ERROR* too many full retries, give up [ 68.129203] [drm:intel_dp_complete_link_train [i915]] *ERROR* failed to train DP, aborting [ 68.132421] [drm:intel_set_cpu_fifo_underrun_reporting [i915]] *ERROR* uncleared fifo underrun on pipe A [ 68.132430] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun [ 124.475106] [drm:check_crtc_state [i915]] *ERROR* mismatch in ips_enabled (expected 1, found 0) [ 124.475115] ------------[ cut here ]------------ [ 124.475146] WARNING: CPU: 0 PID: 179 at drivers/gpu/drm/i915/intel_display.c:12324 check_crtc_state+0x8df/0xf80 [i915]() [ 124.475150] pipe state doesn't match! [ 124.475154] Modules linked in: intel_rapl uvcvideo iosf_mbi btusb btrtl btbcm btintel videobuf2_vmalloc bluetooth videobuf2_memops videobuf2_core v4l2_common videodev media x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel fuse kvm crct10dif_pclmul joydev mousedev crc32_pclmul snd_hda_codec_hdmi snd_hda_codec_realtek crc32c_intel arc4 ghash_clmulni_intel aesni_intel i915 iTCO_wdt dell_wmi sparse_keymap ppdev iTCO_vendor_support iwlmvm mac80211 snd_hda_codec_generic snd_hda_intel snd_hda_codec iwlwifi aes_x86_64 lrw drm_kms_helper gf128mul cfg80211 dell_laptop snd_hda_core snd_hwdep snd_pcm dcdbas dell_smm_hwmon glue_helper snd_timer ablk_helper evdev input_leds mac_hid serio_raw snd e1000e drm cryptd soundcore psmouse pcspkr parport_pc parport wmi thermal ptp battery dell_rbtn intel_gtt pps_core [ 124.475282] rfkill video mei_me ac mei button lpc_ich i2c_i801 i2c_algo_bit shpchp processor dell_smo8800 sch_fq_codel ip_tables x_tables ext4 crc16 mbcache jbd2 sr_mod cdrom sd_mod hid_generic usbhid hid atkbd libps2 ahci libahci ehci_pci ehci_hcd libata xhci_pci sdhci_pci sdhci xhci_hcd scsi_mod led_class mmc_core usbcore usb_common i8042 serio [ 124.475359] CPU: 0 PID: 179 Comm: kworker/0:4 Tainted: G W 4.2.1-1-ARCH #1 [ 124.475364] Hardware name: Dell Inc. Latitude E5540/077XV9, BIOS A12 05/19/2015 [ 124.475376] Workqueue: events drm_dp_destroy_connector_work [drm_kms_helper] [ 124.475381] 0000000000000000 0000000052b04df9 ffff880213db38a8 ffffffff8156b77a [ 124.475390] 0000000000000000 ffff880213db3900 ffff880213db38e8 ffffffff81074846 [ 124.475399] 0000000113db38f8 ffff880213ffcb50 ffff880214506000 ffff880213ffc800 [ 124.475407] Call Trace: [ 124.475422] [] dump_stack+0x4c/0x6e [ 124.475433] [] warn_slowpath_common+0x86/0xc0 [ 124.475441] [] warn_slowpath_fmt+0x55/0x70 [ 124.475474] [] check_crtc_state+0x8df/0xf80 [i915] [ 124.475513] [] intel_modeset_check_state+0x216/0xb50 [i915] [ 124.475523] [] ? dequeue_entity+0x149/0x690 [ 124.475532] [] ? set_next_entity+0xab/0x440 [ 124.475560] [] intel_connector_dpms+0x4e/0x70 [i915] [ 124.475591] [] intel_dp_destroy_mst_connector+0x34/0xc0 [i915] [ 124.475603] [] drm_dp_destroy_connector_work+0x8e/0xf0 [drm_kms_helper] [ 124.475612] [] process_one_work+0x14b/0x440 [ 124.475620] [] worker_thread+0x48/0x4a0 [ 124.475628] [] ? process_one_work+0x440/0x440 [ 124.475636] [] ? process_one_work+0x440/0x440 [ 124.475645] [] kthread+0xd8/0xf0 [ 124.475655] [] ? kthread_worker_fn+0x170/0x170 [ 124.475663] [] ret_from_fork+0x3f/0x70 [ 124.475672] [] ? kthread_worker_fn+0x170/0x170 [ 124.475679] ---[ end trace b7d6db37986b27cf ]--- [ 124.475850] [drm:check_crtc_state [i915]] *ERROR* mismatch in ips_enabled (expected 1, found 0) [ 124.475855] ------------[ cut here ]------------ [ 124.475884] WARNING: CPU: 0 PID: 179 at drivers/gpu/drm/i915/intel_display.c:12324 check_crtc_state+0x8df/0xf80 [i915]() [ 124.475887] pipe state doesn't match! [ 124.475890] Modules linked in: intel_rapl uvcvideo iosf_mbi btusb btrtl btbcm btintel videobuf2_vmalloc bluetooth videobuf2_memops videobuf2_core v4l2_common videodev media x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel fuse kvm crct10dif_pclmul joydev mousedev crc32_pclmul snd_hda_codec_hdmi snd_hda_codec_realtek crc32c_intel arc4 ghash_clmulni_intel aesni_intel i915 iTCO_wdt dell_wmi sparse_keymap ppdev iTCO_vendor_support iwlmvm mac80211 snd_hda_codec_generic snd_hda_intel snd_hda_codec iwlwifi aes_x86_64 lrw drm_kms_helper gf128mul cfg80211 dell_laptop snd_hda_core snd_hwdep snd_pcm dcdbas dell_smm_hwmon glue_helper snd_timer ablk_helper evdev input_leds mac_hid serio_raw snd e1000e drm cryptd soundcore psmouse pcspkr parport_pc parport wmi thermal ptp battery dell_rbtn intel_gtt pps_core [ 124.476004] rfkill video mei_me ac mei button lpc_ich i2c_i801 i2c_algo_bit shpchp processor dell_smo8800 sch_fq_codel ip_tables x_tables ext4 crc16 mbcache jbd2 sr_mod cdrom sd_mod hid_generic usbhid hid atkbd libps2 ahci libahci ehci_pci ehci_hcd libata xhci_pci sdhci_pci sdhci xhci_hcd scsi_mod led_class mmc_core usbcore usb_common i8042 serio [ 124.476053] CPU: 0 PID: 179 Comm: kworker/0:4 Tainted: G W 4.2.1-1-ARCH #1 [ 124.476056] Hardware name: Dell Inc. Latitude E5540/077XV9, BIOS A12 05/19/2015 [ 124.476064] Workqueue: events drm_dp_destroy_connector_work [drm_kms_helper] [ 124.476067] 0000000000000000 0000000052b04df9 ffff880213db38a8 ffffffff8156b77a [ 124.476072] 0000000000000000 ffff880213db3900 ffff880213db38e8 ffffffff81074846 [ 124.476077] 0000000113db38f8 ffff880213ffcb50 ffff880214506000 ffff880213ffc800 [ 124.476082] Call Trace: [ 124.476089] [] dump_stack+0x4c/0x6e [ 124.476094] [] warn_slowpath_common+0x86/0xc0 [ 124.476099] [] warn_slowpath_fmt+0x55/0x70 [ 124.476118] [] check_crtc_state+0x8df/0xf80 [i915] [ 124.476142] [] intel_modeset_check_state+0x216/0xb50 [i915] [ 124.476154] [] ? drm_modeset_lock_all_crtcs+0x90/0xa0 [drm] [ 124.476162] [] ? __kmalloc+0x212/0x270 [ 124.476176] [] ? drm_mode_group_init_legacy_group+0x36/0x120 [drm] [ 124.476196] [] intel_connector_dpms+0x4e/0x70 [i915] [ 124.476214] [] intel_dp_destroy_mst_connector+0x34/0xc0 [i915] [ 124.476222] [] drm_dp_destroy_connector_work+0x8e/0xf0 [drm_kms_helper] [ 124.476227] [] process_one_work+0x14b/0x440 [ 124.476232] [] worker_thread+0x48/0x4a0 [ 124.476237] [] ? process_one_work+0x440/0x440 [ 124.476241] [] ? process_one_work+0x440/0x440 [ 124.476247] [] kthread+0xd8/0xf0 [ 124.476254] [] ? kthread_worker_fn+0x170/0x170 [ 124.476258] [] ret_from_fork+0x3f/0x70 [ 124.476264] [] ? kthread_worker_fn+0x170/0x170 [ 124.476267] ---[ end trace b7d6db37986b27d0 ]--- [ 124.739185] ------------[ cut here ]------------ [ 124.739205] WARNING: CPU: 2 PID: 645 at drivers/gpu/drm/i915/intel_display.c:476 intel_pipe_will_have_type.isra.33+0x6e/0x80 [i915]() [ 124.739206] WARN_ON(num_connectors == 0) [ 124.739207] Modules linked in: [ 124.739209] intel_rapl uvcvideo iosf_mbi btusb btrtl btbcm btintel videobuf2_vmalloc bluetooth videobuf2_memops videobuf2_core v4l2_common videodev media x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel fuse kvm crct10dif_pclmul joydev mousedev crc32_pclmul snd_hda_codec_hdmi snd_hda_codec_realtek crc32c_intel arc4 ghash_clmulni_intel aesni_intel i915 iTCO_wdt dell_wmi sparse_keymap ppdev iTCO_vendor_support iwlmvm mac80211 snd_hda_codec_generic snd_hda_intel snd_hda_codec iwlwifi aes_x86_64 lrw drm_kms_helper gf128mul cfg80211 dell_laptop snd_hda_core snd_hwdep snd_pcm dcdbas dell_smm_hwmon glue_helper snd_timer ablk_helper evdev input_leds mac_hid serio_raw snd e1000e drm cryptd soundcore psmouse pcspkr parport_pc parport wmi thermal ptp battery dell_rbtn intel_gtt pps_core rfkill video [ 124.739244] mei_me ac mei button lpc_ich i2c_i801 i2c_algo_bit shpchp processor dell_smo8800 sch_fq_codel ip_tables x_tables ext4 crc16 mbcache jbd2 sr_mod cdrom sd_mod hid_generic usbhid hid atkbd libps2 ahci libahci ehci_pci ehci_hcd libata xhci_pci sdhci_pci sdhci xhci_hcd scsi_mod led_class mmc_core usbcore usb_common i8042 serio [ 124.739265] CPU: 2 PID: 645 Comm: Xorg Tainted: G W 4.2.1-1-ARCH #1 [ 124.739267] Hardware name: Dell Inc. Latitude E5540/077XV9, BIOS A12 05/19/2015 [ 124.739268] 0000000000000000 0000000078e0b7ab ffff88020f6a3af8 ffffffff8156b77a [ 124.739270] 0000000000000000 ffff88020f6a3b50 ffff88020f6a3b38 ffffffff81074846 [ 124.739272] 0000000000000000 ffff880214506000 ffff880213f4acc0 ffff880213ffc800 [ 124.739274] Call Trace: [ 124.739279] [] dump_stack+0x4c/0x6e [ 124.739283] [] warn_slowpath_common+0x86/0xc0 [ 124.739285] [] warn_slowpath_fmt+0x55/0x70 [ 124.739293] [] intel_pipe_will_have_type.isra.33+0x6e/0x80 [i915] [ 124.739302] [] intel_modeset_compute_config+0x44c/0xb60 [i915] [ 124.739311] [] intel_crtc_set_config+0x28f/0x580 [i915] [ 124.739316] [] ? drm_modeset_lock_all_crtcs+0x90/0xa0 [drm] [ 124.739322] [] drm_mode_set_config_internal+0x66/0x100 [drm] [ 124.739328] [] drm_mode_setcrtc+0x3e9/0x500 [drm] [ 124.739332] [] drm_ioctl+0x125/0x610 [drm] [ 124.739336] [] ? drm_mode_setplane+0x1b0/0x1b0 [drm] [ 124.739339] [] do_vfs_ioctl+0x295/0x480 [ 124.739342] [] ? __fget+0x77/0xb0 [ 124.739344] [] SyS_ioctl+0x79/0x90 [ 124.739348] [] entry_SYSCALL_64_fastpath+0x12/0x71 [ 124.739349] ---[ end trace b7d6db37986b27d1 ]--- [ 124.739354] ------------[ cut here ]------------ [ 124.739363] WARNING: CPU: 2 PID: 645 at drivers/gpu/drm/i915/intel_display.c:11891 __intel_set_mode+0x7f9/0xb60 [i915]() [ 124.739364] WARN_ON(crtc->state->enable != intel_crtc_in_use(crtc)) [ 124.739365] Modules linked in: [ 124.739365] intel_rapl uvcvideo iosf_mbi btusb btrtl btbcm btintel videobuf2_vmalloc bluetooth videobuf2_memops videobuf2_core v4l2_common videodev media x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel fuse kvm crct10dif_pclmul joydev mousedev crc32_pclmul snd_hda_codec_hdmi snd_hda_codec_realtek crc32c_intel arc4 ghash_clmulni_intel aesni_intel i915 iTCO_wdt dell_wmi sparse_keymap ppdev iTCO_vendor_support iwlmvm mac80211 snd_hda_codec_generic snd_hda_intel snd_hda_codec iwlwifi aes_x86_64 lrw drm_kms_helper gf128mul cfg80211 dell_laptop snd_hda_core snd_hwdep snd_pcm dcdbas dell_smm_hwmon glue_helper snd_timer ablk_helper evdev input_leds mac_hid serio_raw snd e1000e drm cryptd soundcore psmouse pcspkr parport_pc parport wmi thermal ptp battery dell_rbtn intel_gtt pps_core rfkill video [ 124.739391] mei_me ac mei button lpc_ich i2c_i801 i2c_algo_bit shpchp processor dell_smo8800 sch_fq_codel ip_tables x_tables ext4 crc16 mbcache jbd2 sr_mod cdrom sd_mod hid_generic usbhid hid atkbd libps2 ahci libahci ehci_pci ehci_hcd libata xhci_pci sdhci_pci sdhci xhci_hcd scsi_mod led_class mmc_core usbcore usb_common i8042 serio [ 124.739405] CPU: 2 PID: 645 Comm: Xorg Tainted: G W 4.2.1-1-ARCH #1 [ 124.739406] Hardware name: Dell Inc. Latitude E5540/077XV9, BIOS A12 05/19/2015 [ 124.739407] 0000000000000000 0000000078e0b7ab ffff88020f6a3af8 ffffffff8156b77a [ 124.739409] 0000000000000000 ffff88020f6a3b50 ffff88020f6a3b38 ffffffff81074846 [ 124.739410] 0000000000000000 ffff880213ffc800 ffff880214506000 ffff880213f4acc0 [ 124.739412] Call Trace: [ 124.739414] [] dump_stack+0x4c/0x6e [ 124.739416] [] warn_slowpath_common+0x86/0xc0 [ 124.739418] [] warn_slowpath_fmt+0x55/0x70 [ 124.739425] [] __intel_set_mode+0x7f9/0xb60 [i915] [ 124.739433] [] ? intel_modeset_compute_config+0x3af/0xb60 [i915] [ 124.739441] [] intel_crtc_set_config+0x2b6/0x580 [i915] [ 124.739445] [] ? drm_modeset_lock_all_crtcs+0x90/0xa0 [drm] [ 124.739450] [] drm_mode_set_config_internal+0x66/0x100 [drm] [ 124.739455] [] drm_mode_setcrtc+0x3e9/0x500 [drm] [ 124.739459] [] drm_ioctl+0x125/0x610 [drm] [ 124.739463] [] ? drm_mode_setplane+0x1b0/0x1b0 [drm] [ 124.739465] [] do_vfs_ioctl+0x295/0x480 [ 124.739468] [] ? __fget+0x77/0xb0 [ 124.739469] [] SyS_ioctl+0x79/0x90 [ 124.739472] [] entry_SYSCALL_64_fastpath+0x12/0x71 [ 124.739473] ---[ end trace b7d6db37986b27d2 ]--- [ 124.739483] ------------[ cut here ]------------ [ 124.739492] WARNING: CPU: 2 PID: 645 at drivers/gpu/drm/i915/intel_display.c:12300 check_crtc_state+0x957/0xf80 [i915]() [ 124.739493] crtc's computed enabled state doesn't match tracked enabled state (expected 0, found 1) [ 124.739494] Modules linked in: intel_rapl uvcvideo iosf_mbi btusb btrtl btbcm btintel videobuf2_vmalloc bluetooth videobuf2_memops videobuf2_core v4l2_common videodev media x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel fuse kvm crct10dif_pclmul joydev mousedev crc32_pclmul snd_hda_codec_hdmi snd_hda_codec_realtek crc32c_intel arc4 ghash_clmulni_intel aesni_intel i915 iTCO_wdt dell_wmi sparse_keymap ppdev iTCO_vendor_support iwlmvm mac80211 snd_hda_codec_generic snd_hda_intel snd_hda_codec iwlwifi aes_x86_64 lrw drm_kms_helper gf128mul cfg80211 dell_laptop snd_hda_core snd_hwdep snd_pcm dcdbas dell_smm_hwmon glue_helper snd_timer ablk_helper evdev input_leds mac_hid serio_raw snd e1000e drm cryptd soundcore psmouse pcspkr parport_pc parport wmi thermal ptp battery dell_rbtn intel_gtt pps_core [ 124.739519] rfkill video mei_me ac mei button lpc_ich i2c_i801 i2c_algo_bit shpchp processor dell_smo8800 sch_fq_codel ip_tables x_tables ext4 crc16 mbcache jbd2 sr_mod cdrom sd_mod hid_generic usbhid hid atkbd libps2 ahci libahci ehci_pci ehci_hcd libata xhci_pci sdhci_pci sdhci xhci_hcd scsi_mod led_class mmc_core usbcore usb_common i8042 serio [ 124.739534] CPU: 2 PID: 645 Comm: Xorg Tainted: G W 4.2.1-1-ARCH #1 [ 124.739535] Hardware name: Dell Inc. Latitude E5540/077XV9, BIOS A12 05/19/2015 [ 124.739535] 0000000000000000 0000000078e0b7ab ffff88020f6a3788 ffffffff8156b77a [ 124.739537] 0000000000000000 ffff88020f6a37e0 ffff88020f6a37c8 ffffffff81074846 [ 124.739539] ffff88020f6a37b8 ffff880213ffcb50 ffff880214506000 ffff880213ffc800 [ 124.739541] Call Trace: [ 124.739543] [] dump_stack+0x4c/0x6e [ 124.739545] [] warn_slowpath_common+0x86/0xc0 [ 124.739546] [] warn_slowpath_fmt+0x55/0x70 [ 124.739554] [] check_crtc_state+0x957/0xf80 [i915] [ 124.739564] [] intel_modeset_check_state+0x216/0xb50 [i915] [ 124.739571] [] ? __intel_set_mode+0x92c/0xb60 [i915] [ 124.739579] [] intel_crtc_set_config+0x4c7/0x580 [i915] [ 124.739583] [] ? drm_modeset_lock_all_crtcs+0x90/0xa0 [drm] [ 124.739588] [] drm_mode_set_config_internal+0x66/0x100 [drm] [ 124.739593] [] drm_mode_setcrtc+0x3e9/0x500 [drm] [ 124.739597] [] drm_ioctl+0x125/0x610 [drm] [ 124.739601] [] ? drm_mode_setplane+0x1b0/0x1b0 [drm] [ 124.739603] [] do_vfs_ioctl+0x295/0x480 [ 124.739605] [] ? __fget+0x77/0xb0 [ 124.739606] [] SyS_ioctl+0x79/0x90 [ 124.739609] [] entry_SYSCALL_64_fastpath+0x12/0x71 [ 124.739610] ---[ end trace b7d6db37986b27d3 ]---