igt@kms_pm_dc@dc6* - skip - Test requirement not met in function read_pkgc_counter, Test requirement: !(len < 0)

http://gfx-ci.igk.intel.com/cibuglog-ng/testresult/1676137635?query_key=bebeeb84a46cf07ad18961ffcd0ecda21690f6de

Stdout	
Using IGT_SRANDOM=1679940159 for randomisation
Opened device: /dev/dri/card0
DMC: fw loaded: yes
Starting subtest: dc6-psr
Test requirement not met in function read_pkgc_counter, file ../../../usr/src/igt-gpu-tools/tests/intel/kms_pm_dc.c:577:
Test requirement: !(len < 0)
PKGC state file not found
Last errno: 2, No such file or directory
Subtest dc6-psr: SKIP (0.039s)

Stderr	
Starting subtest: dc6-psr
Subtest dc6-psr: SKIP (0.039s)

Dmesg	
<6> [527.285885] Console: switching to colour dummy device 80x25
<6> [527.286148] [IGT] kms_pm_dc: executing
<7> [527.291179] i915 0000:00:02.0: [drm:i915_gem_open [i915]] 
<7> [527.291931] i915 0000:00:02.0: [drm:i915_drop_caches_set [i915]] Dropping caches: 0x000001dc [0x000001dc]
<7> [527.303970] i915 0000:00:02.0: [drm:i915_gem_open [i915]] 
<7> [527.723246] i915 0000:00:02.0: [drm:intel_pps_vdd_off_sync_unlocked [i915]] [ENCODER:235:DDI A/PHY A] PPS 0 turning VDD off
<7> [527.723710] i915 0000:00:02.0: [drm:intel_pps_vdd_off_sync_unlocked [i915]] [ENCODER:235:DDI A/PHY A] PPS 0 PP_STATUS: 0x80000008 PP_CONTROL: 0x00000067
<7> [527.724143] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling DC_off
<7> [527.724848] i915 0000:00:02.0: [drm:skl_enable_dc6 [i915]] Enabling DC6
<7> [527.725504] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 00 to 02
<7> [528.326452] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:245:DP-1]
<7> [528.326486] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:245:DP-1]
<7> [528.332201] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:245:DP-1] disconnected
<7> [528.333922] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:257:HDMI-A-1]
<7> [528.333952] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:257:HDMI-A-1]
<7> [528.339033] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:257:HDMI-A-1] disconnected
<7> [528.340743] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:263:DP-2]