igt@i915_pm_rpm@module-reload - crash - Received signal SIGSEGV.

https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_10449/fi-kbl-7567u/igt@i915_pm_rpm@module-reload.html

Err	
Starting subtest: module-reload
Received signal SIGSEGV.
Stack trace: 
 #0 [fatal_sig_handler+0x10f]
 #1 [killpg+0x40]
 #2 [setup_environment+0x33f]
 #3 [__igt_unique____real_main1376+0xa7a]
 #4 [main+0x3f]
 #5 [__libc_start_main+0xf3]
 #6 [_start+0x2e]
Subtest module-reload: CRASH (8.271s)
Dmesg	
<6> [281.012155] Console: switching to colour dummy device 80x25
<6> [281.012884] [IGT] i915_pm_rpm: executing
<7> [281.015306] i915 0000:00:02.0: [drm:i915_gem_open [i915]] 
<7> [281.016298] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:95:DP-1]
<7> [281.016309] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:95:DP-1]
<7> [281.017440] i915 0000:00:02.0: [drm:lspcon_wake_native_aux_ch [i915]] Native AUX CH up, DPCD version: 1.2
<7> [281.017751] i915 0000:00:02.0: [drm:lspcon_resume [i915]] LSPCON recovering in PCON mode after 0 ms
<7> [281.018712] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: native defer
<7> [281.020444] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: native defer
<7> [281.022200] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: native defer
<7> [281.023962] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: native defer
<7> [281.025729] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: native defer
<7> [281.027347] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: native defer
<7> [281.029280] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: native defer
<7> [281.031174] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: native defer
<7> [281.032932] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: native defer
<7> [281.033888] i915 0000:00:02.0: [drm:lspcon_wait_mode [i915]] Current LSPCON mode PCON
<7> [281.034876] i915 0000:00:02.0: [drm:drm_dp_read_dpcd_caps [drm_display_helper]] AUX B/DDI B/PHY B: DPCD: 12 14 c4 01 01 15 01 81 00 00 04 00 0f 00 04
<7> [281.035720] i915 0000:00:02.0: [drm:drm_dp_read_desc [drm_display_helper]] AUX B/DDI B/PHY B: DP branch: OUI 00-60-ad dev-ID MC2800 HW-rev 2.2 SW-rev 1.76 quirks 0x0000
<7> [281.036783] i915 0000:00:02.0: [drm:drm_dp_read_downstream_info [drm_display_helper]] AUX B/DDI B/PHY B: DPCD DFP: 0b f0 03 11
<7> [281.037405] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [ENCODER:94:DDI B/PHY B] MST support: port: yes, sink: no, modparam: yes
<7> [281.037696] i915 0000:00:02.0: [drm:intel_dp_print_rates [i915]] source rates: 162000, 216000, 270000, 324000, 432000, 540000
<7> [281.037943] i915 0000:00:02.0: [drm:intel_dp_print_rates [i915]] sink rates: 162000, 270000, 540000
<7> [281.038191] i915 0000:00:02.0: [drm:intel_dp_print_rates [i915]] common rates: 162000, 270000, 540000