Results for igt@kms_pm_backlight@basic-brightness

Result: Skip

git-log-oneline i915_display_info0 igt_runner0 run0 runtimes0 results0.json guc_logs0.tar i915_display_info_post_exec0 boot0 dmesg0

DetailValue
Duration 0.00 seconds
Igt-Version 
IGT-Version: 2.4-ga5c5d6558 (x86_64) (Linux: 7.1.0-rc1-next-20260427-next-20260427-g39704f00f747+ x86_64)
Out 
Using IGT_SRANDOM=1777301206 for randomisation
Opened device: /dev/dri/card0
Test requirement not met in function __igt_unique____real_main254, file ../tests/intel/kms_pm_backlight.c:336:
Test requirement: found
No valid output found.
Last errno: 95, Operation not supported
Subtest basic-brightness: SKIP (0.000s)
Err 
Subtest basic-brightness: SKIP (0.000s)
Dmesg
<6> [277.424638] Console: switching to colour dummy device 80x25
<6> [277.427316] [IGT] kms_pm_backlight: executing
<7> [277.443027] i915 0000:00:02.0: [drm:i915_gem_open [i915]]
<7> [277.450086] i915 0000:00:02.0: [drm:i915_drop_caches_set [i915]] Dropping caches: 0x000001dc [0x000001dc]
<7> [277.453558] i915 0000:00:02.0: [drm:i915_gem_open [i915]]
<7> [277.476771] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:114:DP-1]
<7> [277.476813] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:114:DP-1]
<7> [277.477789] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling always-on
<7> [277.479234] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling display
<7> [277.480879] i915 0000:00:02.0: [drm:intel_vga_disable [i915]] VGA decode is disabled
<7> [277.486062] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:114:DP-1] disconnected
<7> [277.486299] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:114:DP-1]
<7> [277.491570] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:121:HDMI-A-1]
<7> [277.492917] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
<7> [277.493874] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK on first message, retry
<7> [277.496101] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
<7> [277.497080] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
<7> [277.498159] i915 0000:00:02.0: [drm:intel_hdmi_set_edid [i915]] HDMI GMBUS EDID read failed, retry using GPIO bit-banging
<7> [277.499104] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] enabling bit-banging on i915 gmbus dpb. force bit now 1
<7> [277.502420] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
<7> [277.502453] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] disabling bit-banging on i915 gmbus dpb. force bit now 0
<7> [277.504698] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:126:DP-2]
<7> [277.511068] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:130:HDMI-A-2]
<7> [277.513635] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK for addr: 0050 w(1)
<7> [277.514576] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK on first message, retry
<7> [277.515608] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK for addr: 0050 w(1)
<7> [277.516557] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus panel
<7> [277.516589] i915 0000:00:02.0: [drm:intel_hdmi_set_edid [i915]] HDMI GMBUS EDID read failed, retry using GPIO bit-banging
<7> [277.517901] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] enabling bit-banging on i915 gmbus panel. force bit now 1
<7> [277.521905] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus panel
<7> [277.521941] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] disabling bit-banging on i915 gmbus panel. force bit now 0
<7> [277.523445] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling display
<7> [277.526797] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:121:HDMI-A-1]
<7> [277.526832] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:121:HDMI-A-1]
<7> [277.528277] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling always-on
<7> [277.530552] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling always-on
<7> [277.531625] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling display
<7> [277.534022] i915 0000:00:02.0: [drm:intel_vga_disable [i915]] VGA decode is disabled
<7> [277.535573] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
<7> [277.536580] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK on first message, retry
<7> [277.538263] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
<7> [277.539151] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
<7> [277.539181] i915 0000:00:02.0: [drm:intel_hdmi_set_edid [i915]] HDMI GMBUS EDID read failed, retry using GPIO bit-banging
<7> [277.541296] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] enabling bit-banging on i915 gmbus dpb. force bit now 1
<7> [277.544592] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
<7> [277.544630] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] disabling bit-banging on i915 gmbus dpb. force bit now 0
<7> [277.545740] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling display
<7> [277.547629] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling always-on
<7> [277.548681] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:121:HDMI-A-1] disconnected
<7> [277.552347] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:126:DP-2]
<7> [277.552385] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:126:DP-2]
<7> [277.553363] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling always-on
<7> [277.554705] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling display
<7> [277.556973] i915 0000:00:02.0: [drm:intel_vga_disable [i915]] VGA decode is disabled
<7> [277.562497] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:126:DP-2] disconnected
<7> [277.562711] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:114:DP-1]
<7> [277.568043] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:121:HDMI-A-1]
<7> [277.570497] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
<7> [277.571730] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK on first message, retry
<7> [277.573502] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
<7> [277.574431] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
<7> [277.574462] i915 0000:00:02.0: [drm:intel_hdmi_set_edid [i915]] HDMI GMBUS EDID read failed, retry using GPIO bit-banging
<7> [277.575516] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] enabling bit-banging on i915 gmbus dpb. force bit now 1
<7> [277.578677] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
<7> [277.578710] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] disabling bit-banging on i915 gmbus dpb. force bit now 0
<7> [277.579733] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:126:DP-2]
<7> [277.585357] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:130:HDMI-A-2]
<7> [277.587124] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK for addr: 0050 w(1)
<7> [277.588055] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK on first message, retry
<7> [277.590312] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK for addr: 0050 w(1)
<7> [277.591464] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus panel
<7> [277.591504] i915 0000:00:02.0: [drm:intel_hdmi_set_edid [i915]] HDMI GMBUS EDID read failed, retry using GPIO bit-banging
<7> [277.592988] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] enabling bit-banging on i915 gmbus panel. force bit now 1
<7> [277.596120] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus panel
<7> [277.596156] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] disabling bit-banging on i915 gmbus panel. force bit now 0
<7> [277.597703] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling display
<7> [277.600977] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling always-on
<7> [277.603762] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:130:HDMI-A-2]
<7> [277.603799] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:130:HDMI-A-2]
<7> [277.604976] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling always-on
<7> [277.607284] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling display
<7> [277.609168] i915 0000:00:02.0: [drm:intel_vga_disable [i915]] VGA decode is disabled
<7> [277.610598] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK for addr: 0050 w(1)
<7> [277.611927] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK on first message, retry
<7> [277.613407] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK for addr: 0050 w(1)
<7> [277.614373] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus panel
<7> [277.614403] i915 0000:00:02.0: [drm:intel_hdmi_set_edid [i915]] HDMI GMBUS EDID read failed, retry using GPIO bit-banging
<7> [277.615385] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] enabling bit-banging on i915 gmbus panel. force bit now 1
<7> [277.619602] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus panel
<7> [277.619640] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] disabling bit-banging on i915 gmbus panel. force bit now 0
<7> [277.620705] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling display
<7> [277.622832] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling always-on
<7> [277.623830] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:130:HDMI-A-2] disconnected
<7> [277.626899] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:114:DP-1]
<7> [277.626940] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:114:DP-1]
<7> [277.627908] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling always-on
<7> [277.629375] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling display
<7> [277.631306] i915 0000:00:02.0: [drm:intel_vga_disable [i915]] VGA decode is disabled
<7> [277.636318] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:114:DP-1] disconnected
<7> [277.636503] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:114:DP-1]
<7> [277.641758] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:121:HDMI-A-1]
<7> [277.643104] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
<7> [277.644008] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK on first message, retry
<7> [277.645754] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
<7> [277.646735] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
<7> [277.646767] i915 0000:00:02.0: [drm:intel_hdmi_set_edid [i915]] HDMI GMBUS EDID read failed, retry using GPIO bit-banging
<7> [277.648064] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] enabling bit-banging on i915 gmbus dpb. force bit now 1
<7> [277.652053] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
<7> [277.652091] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] disabling bit-banging on i915 gmbus dpb. force bit now 0
<7> [277.653858] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:126:DP-2]
<7> [277.659109] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:130:HDMI-A-2]
<7> [277.660884] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK for addr: 0050 w(1)
<7> [277.661786] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK on first message, retry
<7> [277.662944] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK for addr: 0050 w(1)
<7> [277.664377] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus panel
<7> [277.664422] i915 0000:00:02.0: [drm:intel_hdmi_set_edid [i915]] HDMI GMBUS EDID read failed, retry using GPIO bit-banging
<7> [277.665180] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] enabling bit-banging on i915 gmbus panel. force bit now 1
<7> [277.669027] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus panel
<7> [277.669061] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] disabling bit-banging on i915 gmbus panel. force bit now 0
<7> [277.670720] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling display
<7> [277.671888] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:121:HDMI-A-1]
<7> [277.671927] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:121:HDMI-A-1]
<7> [277.673681] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling always-on
<7> [277.674914] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling always-on
<7> [277.675966] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling display
<7> [277.678699] i915 0000:00:02.0: [drm:intel_vga_disable [i915]] VGA decode is disabled
<7> [277.680655] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
<7> [277.681935] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK on first message, retry
<7> [277.683421] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
<7> [277.684415] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
<7> [277.684446] i915 0000:00:02.0: [drm:intel_hdmi_set_edid [i915]] HDMI GMBUS EDID read failed, retry using GPIO bit-banging
<7> [277.685821] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] enabling bit-banging on i915 gmbus dpb. force bit now 1
<7> [277.689805] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
<7> [277.689842] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] disabling bit-banging on i915 gmbus dpb. force bit now 0
<7> [277.690978] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling display
<7> [277.692957] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling always-on
<7> [277.694903] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:121:HDMI-A-1] disconnected
<7> [277.696428] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:126:DP-2]
<7> [277.696463] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:126:DP-2]
<7> [277.697489] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling always-on
<7> [277.698831] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling display
<7> [277.700571] i915 0000:00:02.0: [drm:intel_vga_disable [i915]] VGA decode is disabled
<7> [277.705850] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:126:DP-2] disconnected
<7> [277.706007] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:130:HDMI-A-2]
<7> [277.706034] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:130:HDMI-A-2]
<7> [277.708852] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK for addr: 0050 w(1)
<7> [277.709820] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK on first message, retry
<7> [277.711630] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK for addr: 0050 w(1)
<7> [277.712705] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus panel
<7> [277.712736] i915 0000:00:02.0: [drm:intel_hdmi_set_edid [i915]] HDMI GMBUS EDID read failed, retry using GPIO bit-banging
<7> [277.714038] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] enabling bit-banging on i915 gmbus panel. force bit now 1
<7> [277.717070] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus panel
<7> [277.717105] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] disabling bit-banging on i915 gmbus panel. force bit now 0
<7> [277.719453] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:130:HDMI-A-2] disconnected
<7> [277.719687] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:114:DP-1]
<7> [277.724873] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:121:HDMI-A-1]
<7> [277.727799] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
<7> [277.728805] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK on first message, retry
<7> [277.730489] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
<7> [277.731506] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
<7> [277.731567] i915 0000:00:02.0: [drm:intel_hdmi_set_edid [i915]] HDMI GMBUS EDID read failed, retry using GPIO bit-banging
<7> [277.732427] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] enabling bit-banging on i915 gmbus dpb. force bit now 1
<7> [277.735492] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
<7> [277.735526] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] disabling bit-banging on i915 gmbus dpb. force bit now 0
<7> [277.737805] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:126:DP-2]
<7> [277.744077] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:130:HDMI-A-2]
<7> [277.746647] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK for addr: 0050 w(1)
<7> [277.747618] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK on first message, retry
<7> [277.748714] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK for addr: 0050 w(1)
<7> [277.749707] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus panel
<7> [277.749738] i915 0000:00:02.0: [drm:intel_hdmi_set_edid [i915]] HDMI GMBUS EDID read failed, retry using GPIO bit-banging
<7> [277.751080] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] enabling bit-banging on i915 gmbus panel. force bit now 1
<7> [277.755455] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus panel
<7> [277.755493] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] disabling bit-banging on i915 gmbus panel. force bit now 0
<7> [277.756635] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling display
<6> [277.759655] [IGT] kms_pm_backlight: exiting, ret=77
<7> [277.761061] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling always-on
<7> [277.765418] i915 0000:00:02.0: [drm:i915_drop_caches_set [i915]] Dropping caches: 0x000001dc [0x000001dc]
<6> [277.778849] Console: switching to colour frame buffer device 128x48
<7> [277.819553] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling always-on
<7> [277.825435] i915 0000:00:02.0: [drm:drm_client_dev_restore] fbdev: ret=0
Created at 2026-04-27 16:49:47