[ 373.431933] ------------[ cut here ]------------ [ 373.431985] WARNING: CPU: 0 PID: 2438 at drivers/gpu/drm/i915/intel_pm.c:3659 skl_update_other_pipe_wm+0x20c/0x220 [i915]() [ 373.431989] WARN_ON(!wm_changed) [ 373.431993] Modules linked in: snd_hda_intel i915 intel_gtt drm_kms_helper drm snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic joydev intel_rapl iosf_mbi x86_pkg_temp_thermal rfcomm snd_hda_codec intel_powerclamp bnep coretemp bluetooth hid_generic snd_hda_core kvm_intel kvm snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi dm_multipath snd_seq crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_seq_device snd_timer snd aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd psmouse soundcore asix serio_raw mei_me mei usbnet sdhci_pci mii sdhci usbhid binfmt_misc i2c_hid hid winbond_cir rc_core soc_button_array 8250_fintek nls_iso8859_1 parport_pc ppdev acpi_pad mac_hid lp parport dm_mirror dm_region_hash dm_log i2c_algo_bit e1000e syscopyarea sysfillrect sysimgblt ptp fb_sys_fops pps_core ahci libahci wmi video [last unloaded: drm] [ 373.432153] CPU: 0 PID: 2438 Comm: kms_flip Tainted: G U W 4.3.0-rc3+ #17 [ 373.432157] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.B089.B01.1506230517 06/23/2015 [ 373.432162] ffffffffc086c678 ffff8800725a76a8 ffffffff8139a6dd ffff8800725a76f0 [ 373.432169] ffff8800725a76e0 ffffffff81075f16 ffff88016d9fb000 ffff8800725a7778 [ 373.432174] ffff8800725a782c ffff88016d9f9000 ffff880080af3380 ffff8800725a7740 [ 373.432181] Call Trace: [ 373.432193] [] dump_stack+0x44/0x57 [ 373.432202] [] warn_slowpath_common+0x86/0xc0 [ 373.432209] [] warn_slowpath_fmt+0x4c/0x50 [ 373.432218] [] ? sched_fork+0x180/0x1e0 [ 373.432249] [] skl_update_other_pipe_wm+0x20c/0x220 [i915] [ 373.432280] [] skl_update_wm+0x2d0/0x8f0 [i915] [ 373.432288] [] ? __schedule+0x358/0x910 [ 373.432319] [] intel_update_watermarks+0x1e/0x30 [i915] [ 373.432372] [] haswell_crtc_disable+0x15d/0x2d0 [i915] [ 373.432424] [] intel_atomic_commit+0x10e/0x1ed0 [i915] [ 373.432433] [] ? kmem_cache_alloc_trace+0x17f/0x1f0 [ 373.432452] [] ? drm_atomic_helper_connector_duplicate_state+0x33/0x80 [drm_kms_helper] [ 373.432498] [] ? drm_atomic_check_only+0x158/0x580 [drm] [ 373.432531] [] ? drm_atomic_set_mode_prop_for_crtc+0x2a/0x180 [drm] [ 373.432560] [] drm_atomic_commit+0x37/0x60 [drm] [ 373.432577] [] drm_atomic_helper_set_config+0x77/0xb0 [drm_kms_helper] [ 373.432606] [] drm_mode_set_config_internal+0x64/0x100 [drm] [ 373.432637] [] drm_mode_setcrtc+0xdd/0x4f0 [drm] [ 373.432657] [] drm_ioctl+0x297/0x490 [drm] [ 373.432686] [] ? drm_mode_setplane+0x1c0/0x1c0 [drm] [ 373.432694] [] do_vfs_ioctl+0x2cd/0x4b0 [ 373.432700] [] ? do_munmap+0x288/0x380 [ 373.432705] [] SyS_ioctl+0x79/0x90 [ 373.432714] [] entry_SYSCALL_64_fastpath+0x16/0x75 [ 373.432719] ---[ end trace 7866e6e1bfdbb269 ]--- [ 385.486507] ------------[ cut here ]------------ [ 385.486526] WARNING: CPU: 2 PID: 2438 at drivers/gpu/drm/i915/intel_pm.c:3659 skl_update_other_pipe_wm+0x20c/0x220 [i915]() [ 385.486527] WARN_ON(!wm_changed) [ 385.486528] Modules linked in: snd_hda_intel i915 intel_gtt drm_kms_helper drm snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic joydev intel_rapl iosf_mbi x86_pkg_temp_thermal rfcomm snd_hda_codec intel_powerclamp bnep coretemp bluetooth hid_generic snd_hda_core kvm_intel kvm snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi dm_multipath snd_seq crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_seq_device snd_timer snd aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd psmouse soundcore asix serio_raw mei_me mei usbnet sdhci_pci mii sdhci usbhid binfmt_misc i2c_hid hid winbond_cir rc_core soc_button_array 8250_fintek nls_iso8859_1 parport_pc ppdev acpi_pad mac_hid lp parport dm_mirror dm_region_hash dm_log i2c_algo_bit e1000e syscopyarea sysfillrect sysimgblt ptp fb_sys_fops pps_core ahci libahci wmi video [last unloaded: drm] [ 385.486564] CPU: 2 PID: 2438 Comm: kms_flip Tainted: G U W 4.3.0-rc3+ #17 [ 385.486565] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.B089.B01.1506230517 06/23/2015 [ 385.486567] ffffffffc086c678 ffff8800725a7680 ffffffff8139a6dd ffff8800725a76c8 [ 385.486569] ffff8800725a76b8 ffffffff81075f16 ffff88016c271000 ffff8800725a7750 [ 385.486570] ffff8800725a7804 ffff88016d9f9000 ffff880080af3380 ffff8800725a7718 [ 385.486572] Call Trace: [ 385.486576] [] dump_stack+0x44/0x57 [ 385.486579] [] warn_slowpath_common+0x86/0xc0 [ 385.486581] [] warn_slowpath_fmt+0x4c/0x50 [ 385.486589] [] skl_update_other_pipe_wm+0x20c/0x220 [i915] [ 385.486597] [] skl_update_wm+0x2d0/0x8f0 [i915] [ 385.486599] [] ? dequeue_task_fair+0x5a7/0x700 [ 385.486601] [] ? put_prev_entity+0x35/0x660 [ 385.486609] [] intel_update_watermarks+0x1e/0x30 [i915] [ 385.486622] [] haswell_crtc_enable+0x2f3/0x800 [i915] [ 385.486635] [] intel_atomic_commit+0x43d/0x1ed0 [i915] [ 385.486647] [] ? drm_atomic_check_only+0x158/0x580 [drm] [ 385.486654] [] drm_atomic_commit+0x37/0x60 [drm] [ 385.486660] [] drm_atomic_helper_set_config+0x77/0xb0 [drm_kms_helper] [ 385.486668] [] drm_mode_set_config_internal+0x64/0x100 [drm] [ 385.486676] [] drm_mode_setcrtc+0xdd/0x4f0 [drm] [ 385.486680] [] drm_ioctl+0x297/0x490 [drm] [ 385.486687] [] ? drm_mode_setplane+0x1c0/0x1c0 [drm] [ 385.486690] [] do_vfs_ioctl+0x2cd/0x4b0 [ 385.486692] [] ? do_munmap+0x288/0x380 [ 385.486694] [] SyS_ioctl+0x79/0x90 [ 385.486696] [] entry_SYSCALL_64_fastpath+0x16/0x75 [ 385.486698] ---[ end trace 7866e6e1bfdbb26a ]--- [ 390.599605] ------------[ cut here ]------------ [ 390.599623] WARNING: CPU: 0 PID: 2438 at drivers/gpu/drm/i915/intel_pm.c:3659 skl_update_other_pipe_wm+0x20c/0x220 [i915]() [ 390.599624] WARN_ON(!wm_changed) [ 390.599625] Modules linked in: snd_hda_intel i915 intel_gtt drm_kms_helper drm snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic joydev intel_rapl iosf_mbi x86_pkg_temp_thermal rfcomm snd_hda_codec intel_powerclamp bnep coretemp bluetooth hid_generic snd_hda_core kvm_intel kvm snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi dm_multipath snd_seq crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_seq_device snd_timer snd aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd psmouse soundcore asix serio_raw mei_me mei usbnet sdhci_pci mii sdhci usbhid binfmt_misc i2c_hid hid winbond_cir rc_core soc_button_array 8250_fintek nls_iso8859_1 parport_pc ppdev acpi_pad mac_hid lp parport dm_mirror dm_region_hash dm_log i2c_algo_bit e1000e syscopyarea sysfillrect sysimgblt ptp fb_sys_fops pps_core ahci libahci wmi video [last unloaded: drm] [ 390.599662] CPU: 0 PID: 2438 Comm: kms_flip Tainted: G U W 4.3.0-rc3+ #17 [ 390.599663] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.B089.B01.1506230517 06/23/2015 [ 390.599665] ffffffffc086c678 ffff8800725a76a8 ffffffff8139a6dd ffff8800725a76f0 [ 390.599666] ffff8800725a76e0 ffffffff81075f16 ffff88016c271000 ffff8800725a7778 [ 390.599668] ffff8800725a782c ffff88016d9f9000 ffff880080af3380 ffff8800725a7740 [ 390.599669] Call Trace: [ 390.599674] [] dump_stack+0x44/0x57 [ 390.599677] [] warn_slowpath_common+0x86/0xc0 [ 390.599679] [] warn_slowpath_fmt+0x4c/0x50 [ 390.599681] [] ? sched_fork+0x180/0x1e0 [ 390.599689] [] skl_update_other_pipe_wm+0x20c/0x220 [i915] [ 390.599697] [] skl_update_wm+0x2d0/0x8f0 [i915] [ 390.599702] [] ? sched_clock+0x9/0x10 [ 390.599710] [] intel_update_watermarks+0x1e/0x30 [i915] [ 390.599723] [] haswell_crtc_disable+0x15d/0x2d0 [i915] [ 390.599736] [] intel_atomic_commit+0x10e/0x1ed0 [i915] [ 390.599738] [] ? __ww_mutex_lock+0x5f/0x97 [ 390.599750] [] ? drm_atomic_check_only+0x158/0x580 [drm] [ 390.599758] [] ? drm_atomic_set_mode_prop_for_crtc+0x2a/0x180 [drm] [ 390.599765] [] drm_atomic_commit+0x37/0x60 [drm] [ 390.599771] [] drm_atomic_helper_set_config+0x77/0xb0 [drm_kms_helper] [ 390.599778] [] drm_mode_set_config_internal+0x64/0x100 [drm] [ 390.599786] [] drm_mode_setcrtc+0xdd/0x4f0 [drm] [ 390.599791] [] drm_ioctl+0x297/0x490 [drm] [ 390.599798] [] ? drm_mode_setplane+0x1c0/0x1c0 [drm] [ 390.599800] [] do_vfs_ioctl+0x2cd/0x4b0 [ 390.599802] [] ? do_munmap+0x288/0x380 [ 390.599804] [] SyS_ioctl+0x79/0x90 [ 390.599806] [] entry_SYSCALL_64_fastpath+0x16/0x75 [ 390.599807] ---[ end trace 7866e6e1bfdbb26b ]--- [ 390.601039] ------------[ cut here ]------------ [ 390.601069] WARNING: CPU: 1 PID: 2438 at drivers/gpu/drm/i915/intel_pm.c:3659 skl_update_other_pipe_wm+0x20c/0x220 [i915]() [ 390.601072] WARN_ON(!wm_changed) [ 390.601074] Modules linked in: snd_hda_intel i915 intel_gtt drm_kms_helper drm snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic joydev intel_rapl iosf_mbi x86_pkg_temp_thermal rfcomm snd_hda_codec intel_powerclamp bnep coretemp bluetooth hid_generic snd_hda_core kvm_intel kvm snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi dm_multipath snd_seq crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_seq_device snd_timer snd aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd psmouse soundcore asix serio_raw mei_me mei usbnet sdhci_pci mii sdhci usbhid binfmt_misc i2c_hid hid winbond_cir rc_core soc_button_array 8250_fintek nls_iso8859_1 parport_pc ppdev acpi_pad mac_hid lp parport dm_mirror dm_region_hash dm_log i2c_algo_bit e1000e syscopyarea sysfillrect sysimgblt ptp fb_sys_fops pps_core ahci libahci wmi video [last unloaded: drm] [ 390.601114] CPU: 1 PID: 2438 Comm: kms_flip Tainted: G U W 4.3.0-rc3+ #17 [ 390.601115] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.B089.B01.1506230517 06/23/2015 [ 390.601117] ffffffffc086c678 ffff8800725a7680 ffffffff8139a6dd ffff8800725a76c8 [ 390.601120] ffff8800725a76b8 ffffffff81075f16 ffff88016c271000 ffff8800725a7750 [ 390.601122] ffff8800725a7804 ffff88016d9fb000 ffff880080af3380 ffff8800725a7718 [ 390.601124] Call Trace: [ 390.601128] [] dump_stack+0x44/0x57 [ 390.601131] [] warn_slowpath_common+0x86/0xc0 [ 390.601134] [] warn_slowpath_fmt+0x4c/0x50 [ 390.601136] [] ? do_jit+0x9c0/0x18e0 [ 390.601159] [] skl_update_other_pipe_wm+0x20c/0x220 [i915] [ 390.601168] [] skl_update_wm+0x2d0/0x8f0 [i915] [ 390.601170] [] ? dequeue_task_fair+0x5a7/0x700 [ 390.601171] [] ? put_prev_entity+0x35/0x660 [ 390.601179] [] intel_update_watermarks+0x1e/0x30 [i915] [ 390.601193] [] haswell_crtc_enable+0x2f3/0x800 [i915] [ 390.601206] [] intel_atomic_commit+0x43d/0x1ed0 [i915] [ 390.601208] [] ? __ww_mutex_lock+0x5f/0x97 [ 390.601217] [] ? drm_atomic_check_only+0x158/0x580 [drm] [ 390.601225] [] ? drm_atomic_set_mode_prop_for_crtc+0x2a/0x180 [drm] [ 390.601232] [] drm_atomic_commit+0x37/0x60 [drm] [ 390.601237] [] drm_atomic_helper_set_config+0x77/0xb0 [drm_kms_helper] [ 390.601244] [] drm_mode_set_config_internal+0x64/0x100 [drm] [ 390.601252] [] drm_mode_setcrtc+0xdd/0x4f0 [drm] [ 390.601257] [] drm_ioctl+0x297/0x490 [drm] [ 390.601264] [] ? drm_mode_setplane+0x1c0/0x1c0 [drm] [ 390.601266] [] do_vfs_ioctl+0x2cd/0x4b0 [ 390.601267] [] ? do_munmap+0x288/0x380 [ 390.601269] [] SyS_ioctl+0x79/0x90 [ 390.601270] [] entry_SYSCALL_64_fastpath+0x16/0x75 [ 390.601272] ---[ end trace 7866e6e1bfdbb26c ]--- [ 395.730832] ------------[ cut here ]------------ [ 395.730851] WARNING: CPU: 2 PID: 2438 at drivers/gpu/drm/i915/intel_pm.c:3659 skl_update_other_pipe_wm+0x20c/0x220 [i915]() [ 395.730853] WARN_ON(!wm_changed) [ 395.730854] Modules linked in: snd_hda_intel i915 intel_gtt drm_kms_helper drm snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic joydev intel_rapl iosf_mbi x86_pkg_temp_thermal rfcomm snd_hda_codec intel_powerclamp bnep coretemp bluetooth hid_generic snd_hda_core kvm_intel kvm snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi dm_multipath snd_seq crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_seq_device snd_timer snd aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd psmouse soundcore asix serio_raw mei_me mei usbnet sdhci_pci mii sdhci usbhid binfmt_misc i2c_hid hid winbond_cir rc_core soc_button_array 8250_fintek nls_iso8859_1 parport_pc ppdev acpi_pad mac_hid lp parport dm_mirror dm_region_hash dm_log i2c_algo_bit e1000e syscopyarea sysfillrect sysimgblt ptp fb_sys_fops pps_core ahci libahci wmi video [last unloaded: drm] [ 395.730890] CPU: 2 PID: 2438 Comm: kms_flip Tainted: G U W 4.3.0-rc3+ #17 [ 395.730892] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.B089.B01.1506230517 06/23/2015 [ 395.730893] ffffffffc086c678 ffff8800725a76a8 ffffffff8139a6dd ffff8800725a76f0 [ 395.730895] ffff8800725a76e0 ffffffff81075f16 ffff88016c271000 ffff8800725a7778 [ 395.730896] ffff8800725a782c ffff88016d9fb000 ffff880080af3380 ffff8800725a7740 [ 395.730899] Call Trace: [ 395.730909] [] dump_stack+0x44/0x57 [ 395.730912] [] warn_slowpath_common+0x86/0xc0 [ 395.730913] [] warn_slowpath_fmt+0x4c/0x50 [ 395.730921] [] skl_update_other_pipe_wm+0x20c/0x220 [i915] [ 395.730929] [] skl_update_wm+0x2d0/0x8f0 [i915] [ 395.730932] [] ? sched_clock+0x9/0x10 [ 395.730941] [] intel_update_watermarks+0x1e/0x30 [i915] [ 395.730957] [] haswell_crtc_disable+0x15d/0x2d0 [i915] [ 395.731002] [] intel_atomic_commit+0x10e/0x1ed0 [i915] [ 395.731022] [] ? kmem_cache_alloc_trace+0x17f/0x1f0 [ 395.731031] [] ? drm_atomic_helper_connector_duplicate_state+0x33/0x80 [drm_kms_helper] [ 395.731046] [] ? drm_atomic_check_only+0x158/0x580 [drm] [ 395.731057] [] ? drm_atomic_set_mode_prop_for_crtc+0x2a/0x180 [drm] [ 395.731067] [] drm_atomic_commit+0x37/0x60 [drm] [ 395.731075] [] drm_atomic_helper_set_config+0x77/0xb0 [drm_kms_helper] [ 395.731084] [] drm_mode_set_config_internal+0x64/0x100 [drm] [ 395.731095] [] drm_mode_setcrtc+0xdd/0x4f0 [drm] [ 395.731102] [] drm_ioctl+0x297/0x490 [drm] [ 395.731110] [] ? drm_mode_setplane+0x1c0/0x1c0 [drm] [ 395.731113] [] do_vfs_ioctl+0x2cd/0x4b0 [ 395.731115] [] ? do_munmap+0x288/0x380 [ 395.731116] [] SyS_ioctl+0x79/0x90 [ 395.731120] [] entry_SYSCALL_64_fastpath+0x16/0x75 [ 395.731121] ---[ end trace 7866e6e1bfdbb26d ]--- [ 396.007449] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe C (start=946 end=947) time 10 us, min 1192, max 1199, scanline start 2, end 2 [ 401.368394] ------------[ cut here ]------------ [ 401.368420] WARNING: CPU: 0 PID: 2438 at drivers/gpu/drm/i915/intel_pm.c:3659 skl_update_other_pipe_wm+0x20c/0x220 [i915]() [ 401.368423] WARN_ON(!wm_changed) [ 401.368464] Modules linked in: snd_hda_intel i915 intel_gtt drm_kms_helper drm snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic joydev intel_rapl iosf_mbi x86_pkg_temp_thermal rfcomm snd_hda_codec intel_powerclamp bnep coretemp bluetooth hid_generic snd_hda_core kvm_intel kvm snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi dm_multipath snd_seq crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_seq_device snd_timer snd aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd psmouse soundcore asix serio_raw mei_me mei usbnet sdhci_pci mii sdhci usbhid binfmt_misc i2c_hid hid winbond_cir rc_core soc_button_array 8250_fintek nls_iso8859_1 parport_pc ppdev acpi_pad mac_hid lp parport dm_mirror dm_region_hash dm_log i2c_algo_bit e1000e syscopyarea sysfillrect sysimgblt ptp fb_sys_fops pps_core ahci libahci wmi video [last unloaded: drm] [ 401.368473] CPU: 0 PID: 2438 Comm: kms_flip Tainted: G U W 4.3.0-rc3+ #17 [ 401.368474] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.B089.B01.1506230517 06/23/2015 [ 401.368478] ffffffffc086c678 ffff8800725a7450 ffffffff8139a6dd ffff8800725a7498 [ 401.368480] ffff8800725a7488 ffffffff81075f16 ffff88016d9f9000 ffff8800725a7520 [ 401.368482] ffff8800725a75d4 ffff88016d9fb000 ffff880080af3380 ffff8800725a74e8 [ 401.368482] Call Trace: [ 401.368489] [] dump_stack+0x44/0x57 [ 401.368494] [] warn_slowpath_common+0x86/0xc0 [ 401.368497] [] warn_slowpath_fmt+0x4c/0x50 [ 401.368514] [] skl_update_other_pipe_wm+0x20c/0x220 [i915] [ 401.368530] [] skl_update_wm+0x2d0/0x8f0 [i915] [ 401.368534] [] ? dequeue_task_fair+0x5a7/0x700 [ 401.368536] [] ? put_prev_entity+0x35/0x660 [ 401.368553] [] intel_update_watermarks+0x1e/0x30 [i915] [ 401.368582] [] haswell_crtc_enable+0x2f3/0x800 [i915] [ 401.368609] [] intel_atomic_commit+0x43d/0x1ed0 [i915] [ 401.368613] [] ? __ww_mutex_lock+0x5f/0x97 [ 401.368635] [] ? drm_atomic_check_only+0x158/0x580 [drm] [ 401.368651] [] ? drm_atomic_add_affected_connectors+0x8d/0xf0 [drm] [ 401.368730] [] drm_atomic_commit+0x37/0x60 [drm] [ 401.368740] [] restore_fbdev_mode+0x27e/0x2c0 [drm_kms_helper] [ 401.368748] [] drm_fb_helper_restore_fbdev_mode_unlocked+0x33/0x80 [drm_kms_helper] [ 401.368755] [] drm_fb_helper_set_par+0x2c/0x50 [drm_kms_helper] [ 401.368783] [] intel_fbdev_set_par+0x1a/0x60 [i915] [ 401.368786] [] ? put_dec+0x1a/0x80 [ 401.368789] [] fb_set_var+0x191/0x400 [ 401.368794] [] fbcon_blank+0x1bc/0x2b0 [ 401.368799] [] do_unblank_screen+0xb8/0x1c0 [ 401.368803] [] vt_ioctl+0x105d/0x10e0 [ 401.368807] [] tty_ioctl+0x1f7/0xbe0 [ 401.368811] [] ? kmem_cache_alloc+0x185/0x1f0 [ 401.368815] [] ? getname_flags+0x4f/0x1f0 [ 401.368817] [] ? kmem_cache_alloc+0x185/0x1f0 [ 401.368820] [] do_vfs_ioctl+0x2cd/0x4b0 [ 401.368823] [] ? putname+0x53/0x60 [ 401.368825] [] SyS_ioctl+0x79/0x90 [ 401.368828] [] entry_SYSCALL_64_fastpath+0x16/0x75 [ 401.368830] ---[ end trace 7866e6e1bfdbb26e ]---