Oops#1 Part4
<7>[  505.340700] i915 0000:00:02.0: [drm:intel_disable_transcoder [i915]] disabling pipe B
<7>[  505.351968] i915 0000:00:02.0: [drm:intel_ddi_disable_transcoder_func [i915]] Quirk Increase DDI disabled time
<7>[  505.456000] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling DDI_IO_C
<7>[  505.456544] i915 0000:00:02.0: [drm:intel_dpll_disable [i915]] disable PORT PLL C (active 0x2, on? 1) for [CRTC:121:pipe B]
<7>[  505.459006] i915 0000:00:02.0: [drm:intel_dpll_disable [i915]] disabling PORT PLL C
<7>[  505.459540] i915 0000:00:02.0: [drm:intel_set_cdclk [i915]] Pre changing CDCLK to 79200 kHz, VCO 633600 kHz, ref 19200 kHz, bypass 19200 kHz, voltage level 4
<7>[  505.460731] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:165:DDI B/PHY B]
<7>[  505.461664] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:175:DDI C/PHY C]
<7>[  505.462441] i915 0000:00:02.0: [drm:verify_connector_state [i915]] [CONNECTOR:166:HDMI-A-1]
<7>[  505.463835] i915 0000:00:02.0: [drm:verify_connector_state [i915]] [CONNECTOR:176:HDMI-A-2]
<7>[  505.466435] i915 0000:00:02.0: [drm:intel_modeset_verify_crtc [i915]] [CRTC:78:pipe A]
<7>[  505.467391] i915 0000:00:02.0: [drm:intel_modeset_verify_crtc [i915]] [CRTC:121:pipe B]
<7>[  505.491553] i915 0000:00:02.0: [drm:intel_gt_set_wedged [i915]] called from intel_gt_set_wedged_on_fini+0x12/0x50 [i915]
<7>[  505.507131] i915 0000:00:02.0: [drm:drm_sysfs_connector_remove] [CONNECTOR:166:HDMI-A-1] removing connector from sysfs
<7>[  505.515113] i915 0000:00:02.0: [drm:drm_sysfs_connector_remove] [CONNECTOR:176:HDMI-A-2] removing connector from sysfs
Oops#1 Part3
<7>[  505.535149] i915 0000:00:02.0: [drm:i915_hdcp_component_unbind [i915]] I915 HDCP comp unbind
<1>[  506.156605] BUG: kernel NULL pointer dereference, address: 0000000000000095
<1>[  506.156626] #PF: supervisor read access in kernel mode
<1>[  506.156633] #PF: error_code(0x0000) - not-present page
<6>[  506.156640] PGD 0 P4D 0 
<4>[  506.156648] Oops: Oops: 0000 [#1] SMP PTI
<4>[  506.156658] CPU: 1 UID: 0 PID: 17795 Comm: perf_pmu Tainted: G S   U       L      7.0.0-CI_DRM_18342-g207a25698a48+ #1 PREEMPT(lazy) 
<4>[  506.156671] Tainted: [S]=CPU_OUT_OF_SPEC, [U]=USER, [L]=SOFTLOCKUP
<4>[  506.156678] Hardware name: Intel Corporation NUC7CJYH/NUC7JYB, BIOS JYGLKCPX.86A.0027.2018.0125.1347 01/25/2018
<4>[  506.156687] RIP: 0010:_free_event+0x3e/0x370
<4>[  506.156700] Code: 60 04 00 00 e8 03 58 f3 ff 48 8d bb 80 04 00 00 e8 f7 57 f3 ff 48 83 bb 08 03 00 00 00 0f 84 e9 00 00 00 48 8b 83 98 00 00 00 <f6> 80 95 00 00 00 08 74 0d f6 83 02 01 00 00 10 0f 84 a8 00 00 00
<4>[  506.156715] RSP: 0018:ffffc900021c39c0 EFLAGS: 00010246
<4>[  506.156722] RAX: 0000000000000000 RBX: ffff888140f98008 RCX: 0000000000000001
<4>[  506.156730] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
<4>[  506.156736] RBP: ffffc900021c39d8 R08: 0000000000000000 R09: 0000000000000000
<4>[  506.156743] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
<4>[  506.156749] R13: ffff888140f98008 R14: ffff888140f98300 R15: ffff888140f98008
<4>[  506.156756] FS:  0000000000000000(0000) GS:ffff8882f3d97000(0000) knlGS:0000000000000000
<4>[  506.156766] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033