It is a regression I never noticed this problem before.

I booted with drm.debug=0xe, this is what I found in /var/log/messages after rebooting.​​​​

Mar 22 12:10:03 slick kernel: [ 1779.451669] [drm:i965_update_wm], self-refresh entries: 80, wm: 432                                                                                                      
Mar 22 12:10:03 slick kernel: [ 1779.451678] [drm:i965_update_wm], self-refresh watermark: display plane 432 cursor 32                                                                                    
Mar 22 12:10:03 slick kernel: [ 1779.451684] [drm:i965_update_wm], Setting FIFO watermarks - A: 8, B: 8, C: 8, SR 432                                                                                     
Mar 22 12:10:03 slick kernel: [ 1779.470145] [drm:intel_update_fbc], fbc set to per-chip default                                                                                                          
Mar 22 12:10:03 slick kernel: [ 1779.470152] [drm:intel_update_fbc], fbc disabled per module param                                                                                                        
Mar 22 12:10:03 slick kernel: [ 1779.472097] [drm:intel_panel_actually_set_backlight], set backlight PWM = 1                                                                                              
Mar 22 12:10:03 slick kernel: [ 1779.472120] [drm:intel_opregion_asle_intr], non asle set request??                                                                                                       
Mar 22 12:10:03 slick kernel: [ 1779.472133] [drm:intel_connector_check_state], [CONNECTOR:5:LVDS-1]                                                                                                      
Mar 22 12:10:03 slick kernel: [ 1779.472141] [drm:intel_modeset_check_state], [ENCODER:6:LVDS-6]                                                                                                          
Mar 22 12:10:03 slick kernel: [ 1779.472147] [drm:intel_modeset_check_state], [ENCODER:12:DAC-12]                                                                                                         
Mar 22 12:10:03 slick kernel: [ 1779.472153] [drm:intel_modeset_check_state], [CRTC:3]                                                                                                                    
Mar 22 12:10:03 slick kernel: [ 1779.472158] [drm:intel_modeset_check_state], [CRTC:4]                                                                                                                    
Mar 22 12:15:25 slick kernel: [ 2100.982771] [drm:i915_driver_open],                                                                                                                                      
                                                                                                                                                                                                          
// The screen turned black here                                                                                                                                                                           
                                                                                                                                                                                                          
Mar 22 12:17:18 slick kernel: [ 2214.212056] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung                                                                                        
Mar 22 12:17:18 slick kernel: [ 2214.212102] [drm:i915_error_work_func], resetting chip                                                                                                                   
Mar 22 12:17:18 slick kernel: [ 2214.276527] [drm:intel_crt_detect], CRT not detected via hotplug                                                                                                         
Mar 22 12:17:18 slick kernel: [ 2214.336027] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga                                                                               
Mar 22 12:17:18 slick kernel: [ 2214.336032] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]                                                                              
Mar 22 12:17:18 slick kernel: [ 2214.336510] [drm:intel_crt_detect], CRT not detected via hotplug                                                                                                         
Mar 22 12:17:18 slick kernel: [ 2214.344038] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga                                                                               
Mar 22 12:17:18 slick kernel: [ 2214.344042] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]                                                                              
Mar 22 12:17:18 slick kernel: [ 2214.714043] [drm:i915_reset] *ERROR* Failed to reset chip.                                                                                                               
Mar 22 12:17:32 slick kernel: [ 2228.850292] [drm:drm_mode_getconnector], [CONNECTOR:5:?]                                                                                                                 
Mar 22 12:17:32 slick kernel: [ 2228.850299] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:5:LVDS-1]                                                                                          
Mar 22 12:17:32 slick kernel: [ 2228.850315] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:5:LVDS-1] probed modes :                                                                           
Mar 22 12:17:32 slick kernel: [ 2228.850319] [drm:drm_mode_debug_printmodeline], Modeline 13:"1280x800" 60 71110 1280 1328 1360 1440 800 803 809 823 0x48 0xa                                             
Mar 22 12:17:32 slick kernel: [ 2228.850325] [drm:drm_mode_getconnector], [CONNECTOR:5:?]                                                                                                                 
Mar 22 12:17:32 slick kernel: [ 2228.850529] [drm:drm_mode_getconnector], [CONNECTOR:11:?]                                                                                                                
Mar 22 12:17:32 slick kernel: [ 2228.850533] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:11:VGA-1]                                                                                          
Mar 22 12:17:32 slick kernel: [ 2228.850539] [drm:intel_crt_detect], CRT not detected via hotplug                                                                                                         
Mar 22 12:17:32 slick kernel: [ 2228.858031] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga                                                                               
Mar 22 12:17:32 slick kernel: [ 2228.858038] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]                                                                              
Mar 22 12:17:32 slick kernel: [ 2228.858043] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:11:VGA-1] disconnected                                                                             
Mar 22 12:17:32 slick kernel: [ 2228.858058] [drm:drm_mode_getconnector], [CONNECTOR:11:?]                                                                                                                
Mar 22 12:17:32 slick kernel: [ 2228.858062] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:11:VGA-1]                                                                                          
Mar 22 12:17:32 slick kernel: [ 2228.858067] [drm:intel_crt_detect], CRT not detected via hotplug                                                                                                         
Mar 22 12:17:32 slick kernel: [ 2228.866944] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga                                                                               
Mar 22 12:17:32 slick kernel: [ 2228.866950] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]                                                                              
Mar 22 12:17:32 slick kernel: [ 2228.866956] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:11:VGA-1] disconnected                                                                             
Mar 22 12:17:33 slick kernel: [ 2228.894501] [drm:drm_mode_getconnector], [CONNECTOR:5:?]                                                                                                                 
Mar 22 12:17:33 slick kernel: [ 2228.894508] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:5:LVDS-1]                                                                                          
Mar 22 12:17:33 slick kernel: [ 2228.894523] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:5:LVDS-1] probed modes :                                                                           
Mar 22 12:17:33 slick kernel: [ 2228.894526] [drm:drm_mode_debug_printmodeline], Modeline 13:"1280x800" 60 71110 1280 1328 1360 1440 800 803 809 823 0x48 0xa                                             
Mar 22 12:17:33 slick kernel: [ 2228.894533] [drm:drm_mode_getconnector], [CONNECTOR:5:?]                                                                                                                 
Mar 22 12:17:33 slick kernel: [ 2228.894732] [drm:drm_mode_getconnector], [CONNECTOR:11:?]                                                                                                                
Mar 22 12:17:33 slick kernel: [ 2228.894737] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:11:VGA-1]                                                                                          
Mar 22 12:17:33 slick kernel: [ 2228.894742] [drm:intel_crt_detect], CRT not detected via hotplug                                                                                                         
Mar 22 12:17:33 slick kernel: [ 2228.902022] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga                                                                               
Mar 22 12:17:33 slick kernel: [ 2228.902026] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]                                                                              
Mar 22 12:17:33 slick kernel: [ 2228.902029] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:11:VGA-1] disconnected                                                                             
Mar 22 12:17:33 slick kernel: [ 2228.902035] [drm:drm_mode_getconnector], [CONNECTOR:11:?]                                                                                                                
Mar 22 12:17:33 slick kernel: [ 2228.902038] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:11:VGA-1]                                                                                          
Mar 22 12:17:33 slick kernel: [ 2228.902042] [drm:intel_crt_detect], CRT not detected via hotplug                                                                                                         
Mar 22 12:17:33 slick kernel: [ 2228.910023] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga                                                                               
Mar 22 12:17:33 slick kernel: [ 2228.910028] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]                                                                              
Mar 22 12:17:33 slick kernel: [ 2228.910033] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:11:VGA-1] disconnected                                                                             
Mar 22 12:17:33 slick kernel: [ 2229.020652] [drm:drm_mode_getconnector], [CONNECTOR:5:?]                                                                                                                 
Mar 22 12:17:33 slick kernel: [ 2229.020660] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:5:LVDS-1]                                                                                          
Mar 22 12:17:33 slick kernel: [ 2229.020678] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:5:LVDS-1] probed modes :                                                                           
Mar 22 12:17:33 slick kernel: [ 2229.020681] [drm:drm_mode_debug_printmodeline], Modeline 13:"1280x800" 60 71110 1280 1328 1360 1440 800 803 809 823 0x48 0xa                                             
Mar 22 12:17:33 slick kernel: [ 2229.020688] [drm:drm_mode_getconnector], [CONNECTOR:5:?]
Mar 22 12:10:03 slick kernel: [ 1779.451669] [drm:i965_update_wm], self-refresh entries: 80, wm: 432                                                                                                      
Mar 22 12:10:03 slick kernel: [ 1779.451678] [drm:i965_update_wm], self-refresh watermark: display plane 432 cursor 32                                                                                    
Mar 22 12:10:03 slick kernel: [ 1779.451684] [drm:i965_update_wm], Setting FIFO watermarks - A: 8, B: 8, C: 8, SR 432                                                                                     
Mar 22 12:10:03 slick kernel: [ 1779.470145] [drm:intel_update_fbc], fbc set to per-chip default                                                                                                          
Mar 22 12:10:03 slick kernel: [ 1779.470152] [drm:intel_update_fbc], fbc disabled per module param                                                                                                        
Mar 22 12:10:03 slick kernel: [ 1779.472097] [drm:intel_panel_actually_set_backlight], set backlight PWM = 1                                                                                              
Mar 22 12:10:03 slick kernel: [ 1779.472120] [drm:intel_opregion_asle_intr], non asle set request??                                                                                                       
Mar 22 12:10:03 slick kernel: [ 1779.472133] [drm:intel_connector_check_state], [CONNECTOR:5:LVDS-1]                                                                                                      
Mar 22 12:10:03 slick kernel: [ 1779.472141] [drm:intel_modeset_check_state], [ENCODER:6:LVDS-6]                                                                                                          
Mar 22 12:10:03 slick kernel: [ 1779.472147] [drm:intel_modeset_check_state], [ENCODER:12:DAC-12]                                                                                                         
Mar 22 12:10:03 slick kernel: [ 1779.472153] [drm:intel_modeset_check_state], [CRTC:3]                                                                                                                    
Mar 22 12:10:03 slick kernel: [ 1779.472158] [drm:intel_modeset_check_state], [CRTC:4]                                                                                                                    
Mar 22 12:15:25 slick kernel: [ 2100.982771] [drm:i915_driver_open],                                                                                                                                      
                                                                                                                                                                                                          
// The screen turned black here

Mar 22 12:17:18 slick kernel: [ 2214.212056] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung                                                                                        
Mar 22 12:17:18 slick kernel: [ 2214.212102] [drm:i915_error_work_func], resetting chip                                                                                                                   
Mar 22 12:17:18 slick kernel: [ 2214.276527] [drm:intel_crt_detect], CRT not detected via hotplug                                                                                                         
Mar 22 12:17:18 slick kernel: [ 2214.336027] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga                                                                               
Mar 22 12:17:18 slick kernel: [ 2214.336032] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]                                                                              
Mar 22 12:17:18 slick kernel: [ 2214.336510] [drm:intel_crt_detect], CRT not detected via hotplug                                                                                                         
Mar 22 12:17:18 slick kernel: [ 2214.344038] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga                                                                               
Mar 22 12:17:18 slick kernel: [ 2214.344042] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]                                                                              
Mar 22 12:17:18 slick kernel: [ 2214.714043] [drm:i915_reset] *ERROR* Failed to reset chip.                                                                                                               
Mar 22 12:17:32 slick kernel: [ 2228.850292] [drm:drm_mode_getconnector], [CONNECTOR:5:?]                                                                                                                 
Mar 22 12:17:32 slick kernel: [ 2228.850299] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:5:LVDS-1]                                                                                          
Mar 22 12:17:32 slick kernel: [ 2228.850315] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:5:LVDS-1] probed modes :                                                                           
Mar 22 12:17:32 slick kernel: [ 2228.850319] [drm:drm_mode_debug_printmodeline], Modeline 13:"1280x800" 60 71110 1280 1328 1360 1440 800 803 809 823 0x48 0xa                                             
Mar 22 12:17:32 slick kernel: [ 2228.850325] [drm:drm_mode_getconnector], [CONNECTOR:5:?]                                                                                                                 
Mar 22 12:17:32 slick kernel: [ 2228.850529] [drm:drm_mode_getconnector], [CONNECTOR:11:?]                                                                                                                
Mar 22 12:17:32 slick kernel: [ 2228.850533] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:11:VGA-1]                                                                                          
Mar 22 12:17:32 slick kernel: [ 2228.850539] [drm:intel_crt_detect], CRT not detected via hotplug                                                                                                         
Mar 22 12:17:32 slick kernel: [ 2228.858031] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga                                                                               
Mar 22 12:17:32 slick kernel: [ 2228.858038] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]                                                                              
Mar 22 12:17:32 slick kernel: [ 2228.858043] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:11:VGA-1] disconnected                                                                             
Mar 22 12:17:32 slick kernel: [ 2228.858058] [drm:drm_mode_getconnector], [CONNECTOR:11:?]                                                                                                                
Mar 22 12:17:32 slick kernel: [ 2228.858062] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:11:VGA-1]                                                                                          
Mar 22 12:17:32 slick kernel: [ 2228.858067] [drm:intel_crt_detect], CRT not detected via hotplug                                                                                                         
Mar 22 12:17:32 slick kernel: [ 2228.866944] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga                                                                               
Mar 22 12:17:32 slick kernel: [ 2228.866950] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]                                                                              
Mar 22 12:17:32 slick kernel: [ 2228.866956] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:11:VGA-1] disconnected                                                                             
Mar 22 12:17:33 slick kernel: [ 2228.894501] [drm:drm_mode_getconnector], [CONNECTOR:5:?]                                                                                                                 
Mar 22 12:17:33 slick kernel: [ 2228.894508] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:5:LVDS-1]                                                                                          
Mar 22 12:17:33 slick kernel: [ 2228.894523] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:5:LVDS-1] probed modes :                                                                           
Mar 22 12:17:33 slick kernel: [ 2228.894526] [drm:drm_mode_debug_printmodeline], Modeline 13:"1280x800" 60 71110 1280 1328 1360 1440 800 803 809 823 0x48 0xa                                             
Mar 22 12:17:33 slick kernel: [ 2228.894533] [drm:drm_mode_getconnector], [CONNECTOR:5:?]                                                                                                                 
Mar 22 12:17:33 slick kernel: [ 2228.894732] [drm:drm_mode_getconnector], [CONNECTOR:11:?]                                                                                                                
Mar 22 12:17:33 slick kernel: [ 2228.894737] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:11:VGA-1]                                                                                          
Mar 22 12:17:33 slick kernel: [ 2228.894742] [drm:intel_crt_detect], CRT not detected via hotplug                                                                                                         
Mar 22 12:17:33 slick kernel: [ 2228.902022] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga                                                                               
Mar 22 12:17:33 slick kernel: [ 2228.902026] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]                                                                              
Mar 22 12:17:33 slick kernel: [ 2228.902029] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:11:VGA-1] disconnected                                                                             
Mar 22 12:17:33 slick kernel: [ 2228.902035] [drm:drm_mode_getconnector], [CONNECTOR:11:?]                                                                                                                
Mar 22 12:17:33 slick kernel: [ 2228.902038] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:11:VGA-1]                                                                                          
Mar 22 12:17:33 slick kernel: [ 2228.902042] [drm:intel_crt_detect], CRT not detected via hotplug                                                                                                         
Mar 22 12:17:33 slick kernel: [ 2228.910023] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga                                                                               
Mar 22 12:17:33 slick kernel: [ 2228.910028] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]                                                                              
Mar 22 12:17:33 slick kernel: [ 2228.910033] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:11:VGA-1] disconnected                                                                             
Mar 22 12:17:33 slick kernel: [ 2229.020652] [drm:drm_mode_getconnector], [CONNECTOR:5:?]                                                                                                                 
Mar 22 12:17:33 slick kernel: [ 2229.020660] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:5:LVDS-1]                                                                                          
Mar 22 12:17:33 slick kernel: [ 2229.020678] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:5:LVDS-1] probed modes :                                                                           
Mar 22 12:17:33 slick kernel: [ 2229.020681] [drm:drm_mode_debug_printmodeline], Modeline 13:"1280x800" 60 71110 1280 1328 1360 1440 800 803 809 823 0x48 0xa                                             
Mar 22 12:17:33 slick kernel: [ 2229.020688] [drm:drm_mode_getconnector], [CONNECTOR:5:?]
Mar 22 12:17:33 slick kernel: [ 2229.020917] [drm:drm_mode_getconnector], [CONNECTOR:11:?]
Mar 22 12:17:33 slick kernel: [ 2229.020923] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:11:VGA-1]
Mar 22 12:17:33 slick kernel: [ 2229.020929] [drm:intel_crt_detect], CRT not detected via hotplug
Mar 22 12:17:33 slick kernel: [ 2229.028029] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
Mar 22 12:17:33 slick kernel: [ 2229.028035] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
Mar 22 12:17:33 slick kernel: [ 2229.028040] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:11:VGA-1] disconnected
Mar 22 12:17:33 slick kernel: [ 2229.028052] [drm:drm_mode_getconnector], [CONNECTOR:11:?]
Mar 22 12:17:33 slick kernel: [ 2229.028056] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:11:VGA-1]
Mar 22 12:17:33 slick kernel: [ 2229.028060] [drm:intel_crt_detect], CRT not detected via hotplug
Mar 22 12:17:33 slick kernel: [ 2229.036021] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
Mar 22 12:17:33 slick kernel: [ 2229.036025] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
Mar 22 12:17:33 slick kernel: [ 2229.036029] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:11:VGA-1] disconnected
Mar 22 12:17:33 slick kernel: [ 2229.178070] [drm:drm_mode_getconnector], [CONNECTOR:5:?]
Mar 22 12:17:33 slick kernel: [ 2229.178078] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:5:LVDS-1]
Mar 22 12:17:33 slick kernel: [ 2229.178093] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:5:LVDS-1] probed modes :
Mar 22 12:17:33 slick kernel: [ 2229.178096] [drm:drm_mode_debug_printmodeline], Modeline 13:"1280x800" 60 71110 1280 1328 1360 1440 800 803 809 823 0x48 0xa
Mar 22 12:17:33 slick kernel: [ 2229.178102] [drm:drm_mode_getconnector], [CONNECTOR:5:?]
Mar 22 12:17:33 slick kernel: [ 2229.178318] [drm:drm_mode_getconnector], [CONNECTOR:11:?]
Mar 22 12:17:33 slick kernel: [ 2229.178322] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:11:VGA-1]
Mar 22 12:17:33 slick kernel: [ 2229.178327] [drm:intel_crt_detect], CRT not detected via hotplug
Mar 22 12:17:33 slick kernel: [ 2229.186023] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
Mar 22 12:17:33 slick kernel: [ 2229.186029] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
Mar 22 12:17:33 slick kernel: [ 2229.186034] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:11:VGA-1] disconnected
Mar 22 12:17:33 slick kernel: [ 2229.186046] [drm:drm_mode_getconnector], [CONNECTOR:11:?]
Mar 22 12:17:33 slick kernel: [ 2229.186049] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:11:VGA-1]
Mar 22 12:17:33 slick kernel: [ 2229.186054] [drm:intel_crt_detect], CRT not detected via hotplug
Mar 22 12:17:33 slick kernel: [ 2229.194032] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
Mar 22 12:17:33 slick kernel: [ 2229.194036] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
Mar 22 12:17:33 slick kernel: [ 2229.194039] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:11:VGA-1] disconnected
Mar 22 12:17:34 slick kernel: [ 2230.354532] [drm:drm_mode_getconnector], [CONNECTOR:5:?]
Mar 22 12:17:34 slick kernel: [ 2230.354539] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:5:LVDS-1]
Mar 22 12:17:34 slick kernel: [ 2230.354553] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:5:LVDS-1] probed modes :
Mar 22 12:17:34 slick kernel: [ 2230.354557] [drm:drm_mode_debug_printmodeline], Modeline 13:"1280x800" 60 71110 1280 1328 1360 1440 800 803 809 823 0x48 0xa
Mar 22 12:17:34 slick kernel: [ 2230.354563] [drm:drm_mode_getconnector], [CONNECTOR:5:?]
Mar 22 12:17:34 slick kernel: [ 2230.354753] [drm:drm_mode_getconnector], [CONNECTOR:11:?]
Mar 22 12:17:34 slick kernel: [ 2230.354757] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:11:VGA-1]
Mar 22 12:17:34 slick kernel: [ 2230.354763] [drm:intel_crt_detect], CRT not detected via hotplug
Mar 22 12:17:34 slick kernel: [ 2230.362023] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
Mar 22 12:17:34 slick kernel: [ 2230.362027] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
Mar 22 12:17:34 slick kernel: [ 2230.362032] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:11:VGA-1] disconnected
Mar 22 12:17:34 slick kernel: [ 2230.362039] [drm:drm_mode_getconnector], [CONNECTOR:11:?]
Mar 22 12:17:34 slick kernel: [ 2230.362042] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:11:VGA-1]
Mar 22 12:17:34 slick kernel: [ 2230.362046] [drm:intel_crt_detect], CRT not detected via hotplug
Mar 22 12:17:34 slick kernel: [ 2230.370022] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
Mar 22 12:17:34 slick kernel: [ 2230.370025] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
Mar 22 12:17:34 slick kernel: [ 2230.370029] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:11:VGA-1] disconnected
Mar 22 12:17:38 slick kernel: [ 2234.012343] [drm:drm_mode_getconnector], [CONNECTOR:5:?]
Mar 22 12:17:38 slick kernel: [ 2234.012351] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:5:LVDS-1]
Mar 22 12:17:38 slick kernel: [ 2234.012369] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:5:LVDS-1] probed modes :
Mar 22 12:17:38 slick kernel: [ 2234.012372] [drm:drm_mode_debug_printmodeline], Modeline 13:"1280x800" 60 71110 1280 1328 1360 1440 800 803 809 823 0x48 0xa
Mar 22 12:17:38 slick kernel: [ 2234.012379] [drm:drm_mode_getconnector], [CONNECTOR:5:?]
Mar 22 12:17:38 slick kernel: [ 2234.016928] [drm:drm_mode_getconnector], [CONNECTOR:11:?]
Mar 22 12:17:38 slick kernel: [ 2234.016936] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:11:VGA-1]
Mar 22 12:17:38 slick kernel: [ 2234.016941] [drm:intel_crt_detect], CRT not detected via hotplug
Mar 22 12:17:38 slick kernel: [ 2234.024036] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
Mar 22 12:17:38 slick kernel: [ 2234.024041] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
Mar 22 12:17:38 slick kernel: [ 2234.024046] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:11:VGA-1] disconnected
Mar 22 12:17:38 slick kernel: [ 2234.024055] [drm:drm_mode_getconnector], [CONNECTOR:11:?]
Mar 22 12:17:38 slick kernel: [ 2234.024058] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:11:VGA-1]
Mar 22 12:17:38 slick kernel: [ 2234.024062] [drm:intel_crt_detect], CRT not detected via hotplug
Mar 22 12:17:38 slick kernel: [ 2234.032020] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
Mar 22 12:17:38 slick kernel: [ 2234.032023] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
Mar 22 12:17:38 slick kernel: [ 2234.140503] [drm:drm_mode_getconnector], [CONNECTOR:5:?]
Mar 22 12:17:38 slick kernel: [ 2234.140510] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:5:LVDS-1]
Mar 22 12:17:38 slick kernel: [ 2234.140525] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:5:LVDS-1] probed modes :
Mar 22 12:17:38 slick kernel: [ 2234.140529] [drm:drm_mode_debug_printmodeline], Modeline 13:"1280x800" 60 71110 1280 1328 1360 1440 800 803 809 823 0x48 0xa
Mar 22 12:17:38 slick kernel: [ 2234.140535] [drm:drm_mode_getconnector], [CONNECTOR:5:?]
Mar 22 12:17:38 slick kernel: [ 2234.140731] [drm:drm_mode_getconnector], [CONNECTOR:11:?]
Mar 22 12:17:38 slick kernel: [ 2234.140735] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:11:VGA-1]
Mar 22 12:17:38 slick kernel: [ 2234.140740] [drm:intel_crt_detect], CRT not detected via hotplug
Mar 22 12:17:38 slick kernel: [ 2234.148023] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
Mar 22 12:17:38 slick kernel: [ 2234.148028] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
Mar 22 12:17:38 slick kernel: [ 2234.148031] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:11:VGA-1] disconnected
Mar 22 12:17:38 slick kernel: [ 2234.148039] [drm:drm_mode_getconnector], [CONNECTOR:11:?]
Mar 22 12:17:38 slick kernel: [ 2234.148042] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:11:VGA-1]
File Edit Options Buffers Tools Help                                                                                                                                                                      
Mar 22 12:17:38 slick kernel: [ 2234.292039] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:11:VGA-1] disconnected                                                                             
Mar 22 12:17:43 slick kernel: [ 2238.880071] [drm:intel_crt_detect], CRT not detected via hotplug                                                                                                         
Mar 22 12:17:43 slick kernel: [ 2238.888021] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga                                                                               
Mar 22 12:17:43 slick kernel: [ 2238.888025] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]                                                                              
Mar 22 12:17:43 slick kernel: [ 2238.888029] [drm:output_poll_execute], [CONNECTOR:11:VGA-1] status updated from 2 to 2                                                                                   
Mar 22 12:20:38 slick kernel: [ 2414.258905] [drm:intel_panel_actually_set_backlight], set backlight PWM = 0                                                                                              
Mar 22 12:20:38 slick kernel: [ 2414.258916] [drm:i915_get_vblank_counter], trying to get vblank count for disabled pipe A                                                                                
Mar 22 12:20:38 slick kernel: [ 2414.258921] [drm:i915_get_crtc_scanoutpos], trying to get scanoutpos for disabled pipe A                                                                                 
Mar 22 12:20:38 slick kernel: [ 2414.258925] [drm:i915_get_vblank_counter], trying to get vblank count for disabled pipe A                                                                                
Mar 22 12:20:38 slick kernel: [ 2414.258932] [drm:intel_update_fbc], fbc set to per-chip default                                                                                                          
Mar 22 12:20:38 slick kernel: [ 2414.258935] [drm:intel_update_fbc], fbc disabled per module param                                                                                                        
Mar 22 12:20:38 slick kernel: [ 2414.258938] [drm:i965_update_wm], self-refresh entries: 80, wm: 432                                                                                                      
Mar 22 12:20:38 slick kernel: [ 2414.258941] [drm:i965_update_wm], self-refresh watermark: display plane 432 cursor 32                                                                                    
Mar 22 12:20:38 slick kernel: [ 2414.258944] [drm:i965_update_wm], Setting FIFO watermarks - A: 8, B: 8, C: 8, SR 432                                                                                     
Mar 22 12:20:38 slick kernel: [ 2414.258949] [drm:intel_modeset_check_state], [ENCODER:6:LVDS-6]                                                                                                          
Mar 22 12:20:38 slick kernel: [ 2414.258953] [drm:intel_modeset_check_state], [ENCODER:12:DAC-12]                                                                                                         
Mar 22 12:20:38 slick kernel: [ 2414.258956] [drm:intel_modeset_check_state], [CRTC:3]                                                                                                                    
Mar 22 12:20:38 slick kernel: [ 2414.258958] [drm:intel_modeset_check_state], [CRTC:4]                                                                                                                    
Mar 22 12:26:35 slick kernel: [ 2771.681407] [drm:i965_update_wm], self-refresh entries: 80, wm: 432                                                                                                      
Mar 22 12:26:35 slick kernel: [ 2771.681412] [drm:i965_update_wm], self-refresh watermark: display plane 432 cursor 32                                                                                    
Mar 22 12:26:35 slick kernel: [ 2771.681415] [drm:i965_update_wm], Setting FIFO watermarks - A: 8, B: 8, C: 8, SR 432                                                                                     
Mar 22 12:26:35 slick kernel: [ 2771.734083] [drm:intel_wait_for_vblank], vblank wait timed out                                                                                                           
Mar 22 12:26:35 slick kernel: [ 2771.786019] [drm:intel_wait_for_vblank], vblank wait timed out                                                                                                           
Mar 22 12:26:35 slick kernel: [ 2771.786042] [drm:intel_update_fbc], fbc set to per-chip default                                                                                                          
Mar 22 12:26:35 slick kernel: [ 2771.786044] [drm:intel_update_fbc], fbc disabled per module param                                                                                                        
Mar 22 12:26:36 slick kernel: [ 2772.788045] [drm:intel_enable_lvds] *ERROR* timed out waiting for panel to power on                                                                                      
Mar 22 12:26:36 slick kernel: [ 2772.788051] [drm:intel_panel_actually_set_backlight], set backlight PWM = 1                                                                                              
Mar 22 12:26:36 slick kernel: [ 2772.788060] [drm:intel_modeset_check_state], [ENCODER:6:LVDS-6]                                                                                                          
Mar 22 12:26:36 slick kernel: [ 2772.788285] [drm:intel_modeset_check_state], [ENCODER:12:DAC-12]                                                                                                         
Mar 22 12:26:36 slick kernel: [ 2772.788288] [drm:intel_modeset_check_state], [CRTC:3]                                                                                                                    
Mar 22 12:26:36 slick kernel: [ 2772.788484] [drm:intel_modeset_check_state], [CRTC:4]

// After that I turned the computer off