Panic#2 Part16 <7>[ 175.678731] i915 0000:00:02.0: [drm:drm_client_modeset_probe] [CONNECTOR:626:DP-4] enabled? no <7>[ 175.678678] i915 0000:00:02.0: [drm:intel_display_driver_register [i915]] i915 display info: has_dsb: yes <7>[ 175.678949] i915 0000:00:02.0: [drm:intel_display_driver_register [i915]] i915 display info: has_fpga_dbg: yes <7>[ 175.679194] i915 0000:00:02.0: [drm:drm_client_firmware_config.isra.0] Not using firmware configuration <7>[ 175.679221] i915 0000:00:02.0: [drm:drm_client_modeset_probe] picking CRTCs for 16384x16384 config <7>[ 175.679155] i915 0000:00:02.0: [drm:intel_display_driver_register [i915]] i915 display info: has_gmch: no <7>[ 175.679292] i915 0000:00:02.0: [drm:__drm_fb_helper_initial_config_and_unlock] test CRTC 0 primary plane <6>[ 175.679308] i915 0000:00:02.0: [drm] Cannot find any crtc or sizes <7>[ 175.679371] i915 0000:00:02.0: [drm:drm_client_hotplug] fbdev: ret=0 <7>[ 175.679404] i915 0000:00:02.0: [drm:intel_display_driver_register [i915]] i915 display info: has_hotplug: yes <7>[ 175.679593] i915 0000:00:02.0: [drm:intel_display_driver_register [i915]] i915 display info: has_hti: no <7>[ 175.679791] i915 0000:00:02.0: [drm:intel_display_driver_register [i915]] i915 display info: has_ipc: yes <7>[ 175.680006] i915 0000:00:02.0: [drm:intel_display_driver_register [i915]] i915 display info: has_overlay: no <7>[ 175.680187] i915 0000:00:02.0: [drm:intel_display_driver_register [i915]] i915 display info: has_psr: yes <7>[ 175.680357] i915 0000:00:02.0: [drm:intel_display_driver_register [i915]] i915 display info: has_psr_hw_tracking: yes Panic#2 Part15 <7>[ 175.680525] i915 0000:00:02.0: [drm:intel_display_driver_register [i915]] i915 display info: overlay_needs_physical: no <7>[ 175.680692] i915 0000:00:02.0: [drm:intel_display_driver_register [i915]] i915 display info: supports_tv: no <7>[ 175.680942] i915 0000:00:02.0: [drm:intel_display_driver_register [i915]] i915 display info: has_hdcp: yes <7>[ 175.681127] i915 0000:00:02.0: [drm:intel_display_driver_register [i915]] i915 display info: has_dmc: yes <7>[ 175.681302] i915 0000:00:02.0: [drm:intel_display_driver_register [i915]] i915 display info: has_dsc: yes <7>[ 175.681474] i915 0000:00:02.0: [drm:intel_display_driver_register [i915]] i915 display info: rawclk rate: 19200 kHz <7>[ 175.682259] [drm:intel_dsm_detect.isra.0 [i915]] no _DSM method for intel device <7>[ 175.682554] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling PW_5 <7>[ 175.683232] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling PW_4 <7>[ 175.683443] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling PW_3 <7>[ 175.683704] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling PW_2 <7>[ 175.684095] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: pciid=0x9a49 rev=0x01 platform=TIGERLAKE (subplatform=0x1) gen=12 <7>[ 175.684315] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: graphics version: 12 <7>[ 175.684504] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: media version: 12 <7>[ 175.684632] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: graphics stepping: B0 Panic#2 Part14 <7>[ 175.684820] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: media stepping: B0 <7>[ 175.684946] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: gt: 0 <7>[ 175.685067] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: memory-regions: 0x21 <7>[ 175.685273] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: page-sizes: 0x211000 <7>[ 175.685486] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: platform: TIGERLAKE <7>[ 175.685696] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: ppgtt-size: 48 <7>[ 175.685928] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: ppgtt-type: 2 <7>[ 175.686129] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: dma_mask_size: 39 <7>[ 175.686309] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: is_mobile: no <7>[ 175.686435] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: require_force_probe: no <7>[ 175.686559] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: is_dgfx: no <7>[ 175.686683] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: has_64bit_reloc: yes <7>[ 175.686825] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: has_64k_pages: no <7>[ 175.686948] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: gpu_reset_clobbers_display: no <7>[ 175.687071] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: has_reset_engine: yes <7>[ 175.687192] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: has_3d_pipeline: yes Panic#2 Part13 <7>[ 175.687361] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: has_flat_ccs: no <7>[ 175.687573] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: has_global_mocs: yes <7>[ 175.687795] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: has_gmd_id: no <7>[ 175.688005] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: has_gt_uc: yes <7>[ 175.688212] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: has_heci_pxp: no <7>[ 175.688387] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: has_heci_gscfi: no <7>[ 175.688511] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: has_guc_deprivilege: no <7>[ 175.688633] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: has_guc_tlb_invalidation: no <7>[ 175.688766] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: has_l3_ccs_read: no <7>[ 175.688890] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: has_l3_dpf: no <7>[ 175.689041] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: has_llc: yes <7>[ 175.689252] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: has_logical_ring_contexts: yes <7>[ 175.689465] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: has_logical_ring_elsq: yes <7>[ 175.689678] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: has_media_ratio_mode: no <7>[ 175.689914] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: has_mslice_steering: no <7>[ 175.690061] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: has_oa_bpc_reporting: no Panic#2 Part12 <7>[ 175.690185] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: has_oa_slice_contrib_limits: no <7>[ 175.690309] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: has_oam: no <7>[ 175.690432] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: has_one_eu_per_fuse_bit: no <7>[ 175.690555] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: has_pxp: yes <7>[ 175.690730] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: has_rc6: yes <7>[ 175.690980] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: has_rc6p: no <7>[ 175.691193] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: has_rps: yes <7>[ 175.691400] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: has_runtime_pm: yes <7>[ 175.691601] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: has_snoop: no <7>[ 175.691773] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: has_coherent_ggtt: no <7>[ 175.691895] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: tuning_thread_rr_after_dep: no <7>[ 175.692018] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: unfenced_needs_alignment: no <7>[ 175.692141] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: hws_needs_physical: no <7>[ 175.692265] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: has_pooled_eu: no <7>[ 175.692387] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: iommu: enabled <7>[ 175.692557] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: available engines: 41403 Panic#2 Part11 <7>[ 175.692777] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: slice total: 1, mask=0001 <7>[ 175.692988] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: subslice total: 5 <7>[ 175.693197] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: slice0: 5 subslices, mask=0000001f <7>[ 175.693404] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: EU total: 80 <7>[ 175.693574] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: EU per subslice: 16 <7>[ 175.693697] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: has slice power gating: yes <7>[ 175.693895] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: has subslice power gating: no <7>[ 175.693881] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling DC_off <7>[ 175.694042] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: has EU power gating: no <6>[ 175.694175] i915 0000:00:02.0: [drm] DRM_I915_DEBUG enabled <6>[ 175.694178] i915 0000:00:02.0: [drm] DRM_I915_DEBUG_GEM enabled <6>[ 175.694180] i915 0000:00:02.0: [drm] DRM_I915_DEBUG_RUNTIME_PM enabled <6>[ 175.694185] i915: Performing perf selftests with st_random_seed=0x27160f8b st_timeout=500 <6>[ 175.694188] i915: Running request <6>[ 175.694210] i915: Running i915_request_perf_selftests/perf_request_latency <7>[ 175.694276] i915 0000:00:02.0: [drm:skl_enable_dc6 [i915]] Enabling DC6 <7>[ 175.694513] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 00 to 02 <7>[ 175.695796] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling always-on Panic#2 Part10 <7>[ 175.696078] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling always-on <6>[ 175.697526] rcs0: semaphore response 15 cycles, 820ns <6>[ 175.699123] rcs0: idle dispatch latency 529 cycles, 27578ns <6>[ 175.700951] rcs0: busy dispatch latency 2669 cycles, 139023ns <6>[ 175.703028] rcs0: inter-request latency 143 cycles, 7474ns <6>[ 175.704446] rcs0: context switch latency 367 cycles, 19154ns <6>[ 175.705841] rcs0: preemption dispatch latency 1028 cycles, 53542ns <6>[ 175.705846] rcs0: preemption switch latency 326 cycles, 17005ns <6>[ 175.706385] rcs0: completion latency 265 cycles, 13841ns <6>[ 175.707412] bcs0: semaphore response 14 cycles, 768ns <6>[ 175.708383] bcs0: idle dispatch latency 299 cycles, 15599ns <6>[ 175.709185] bcs0: busy dispatch latency 238 cycles, 12409ns <6>[ 175.709730] bcs0: inter-request latency 28 cycles, 1484ns <6>[ 175.710614] bcs0: context switch latency 345 cycles, 18008ns <6>[ 175.711906] bcs0: preemption dispatch latency 765 cycles, 39870ns <6>[ 175.711910] bcs0: preemption switch latency 274 cycles, 14297ns <6>[ 175.712562] bcs0: completion latency 165 cycles, 8633ns <6>[ 175.713839] vcs0: semaphore response 14 cycles, 742ns <6>[ 175.715326] vcs0: idle dispatch latency 398 cycles, 20729ns <6>[ 175.715684] vcs0: busy dispatch latency 316 cycles, 16471ns <6>[ 175.716249] vcs0: inter-request latency 32 cycles, 1693ns <6>[ 175.716899] vcs0: context switch latency 479 cycles, 24961ns <6>[ 175.718408] vcs0: preemption dispatch latency 790 cycles, 41159ns <6>[ 175.718413] vcs0: preemption switch latency 244 cycles, 12747ns <6>[ 175.719035] vcs0: completion latency 192 cycles, 10013ns Panic#2 Part9 <6>[ 175.720101] vcs1: semaphore response 15 cycles, 781ns <6>[ 175.720833] vcs1: idle dispatch latency 380 cycles, 19831ns <6>[ 175.721061] vcs1: busy dispatch latency 230 cycles, 11979ns <6>[ 175.722519] vcs1: inter-request latency 33 cycles, 1758ns <6>[ 175.725679] vcs1: context switch latency 105 cycles, 5495ns <6>[ 175.726272] vcs1: preemption dispatch latency 692 cycles, 36055ns <6>[ 175.726277] vcs1: preemption switch latency 225 cycles, 11732ns <6>[ 175.726789] vcs1: completion latency 169 cycles, 8828ns <6>[ 175.728098] vecs0: semaphore response 13 cycles, 716ns <6>[ 175.729156] vecs0: idle dispatch latency 349 cycles, 18216ns <6>[ 175.729635] vecs0: busy dispatch latency 247 cycles, 12904ns <6>[ 175.730226] vecs0: inter-request latency 62 cycles, 3242ns <6>[ 175.730901] vecs0: context switch latency 343 cycles, 17904ns <6>[ 175.731532] vecs0: preemption dispatch latency 648 cycles, 33789ns <6>[ 175.731537] vecs0: preemption switch latency 233 cycles, 12174ns <6>[ 175.731968] vecs0: completion latency 149 cycles, 7799ns <6>[ 175.732232] i915: Running i915_request_perf_selftests/perf_series_engines <6>[ 176.238249] s_sync0 [i915] rcs0: { seqno:1414, busy:43.55%, runtime:109ms, walltime:501ms } <6>[ 176.239349] s_sync0 [i915] bcs0: { seqno:1412, busy:7.16%, runtime:8ms, walltime:503ms } <6>[ 176.240481] s_sync0 [i915] vcs0: { seqno:1412, busy:17.10%, runtime:10ms, walltime:504ms } <6>[ 176.241579] s_sync0 [i915] vcs1: { seqno:1412, busy:11.69%, runtime:11ms, walltime:505ms } <6>[ 176.242649] s_sync0 [i915] vecs0: { seqno:1412, busy:11.52%, runtime:10ms, walltime:506ms } Panic#2 Part8 <6>[ 176.746879] s_sync1 [i915] rcs0: { seqno:3654, busy:71.84%, runtime:181ms, walltime:501ms } <6>[ 176.747975] s_sync1 [i915] bcs0: { seqno:3652, busy:13.56%, runtime:16ms, walltime:504ms } <6>[ 176.749102] s_sync1 [i915] vcs0: { seqno:3650, busy:19.74%, runtime:18ms, walltime:505ms } <6>[ 176.750208] s_sync1 [i915] vcs1: { seqno:3650, busy:21.99%, runtime:18ms, walltime:506ms } <6>[ 176.751274] s_sync1 [i915] vecs0: { seqno:3650, busy:12.95%, runtime:16ms, walltime:507ms } <6>[ 177.254107] s_many [i915] rcs0: { seqno:11732, busy:65.30%, runtime:150ms, walltime:500ms } <6>[ 177.255205] s_many [i915] bcs0: { seqno:11730, busy:22.03%, runtime:14ms, walltime:502ms } <6>[ 177.256306] s_many [i915] vcs0: { seqno:11728, busy:26.59%, runtime:16ms, walltime:503ms } <6>[ 177.257403] s_many [i915] vcs1: { seqno:11726, busy:41.63%, runtime:16ms, walltime:504ms } <6>[ 177.257494] s_many [i915] vecs0: { seqno:11726, busy:27.53%, runtime:15ms, walltime:505ms } <6>[ 177.257551] i915: Running i915_request_perf_selftests/perf_parallel_engines <6>[ 177.761783] p_sync0 [i915] rcs0: { count:7040, busy:76.96%, runtime:96ms, walltime:498ms } <6>[ 177.761792] p_sync0 [i915] bcs0: { count:9733, busy:84.71%, runtime:22ms, walltime:499ms } <6>[ 177.761796] p_sync0 [i915] vcs0: { count:9306, busy:78.71%, runtime:23ms, walltime:499ms } <6>[ 177.761800] p_sync0 [i915] vcs1: { count:9324, busy:78.60%, runtime:23ms, walltime:499ms } <6>[ 177.761803] p_sync0 [i915] vecs0: { count:9334, busy:78.61%, runtime:23ms, walltime:499ms } <4>[ 178.023927] ------------[ cut here ]------------ <4>[ 178.023937] refcount_t: underflow; use-after-free. Panic#2 Part7 <4>[ 178.023940] WARNING: lib/refcount.c:28 at refcount_warn_saturate+0x68/0xb0, CPU#3: kworker/3:2/223 <4>[ 178.023951] Modules linked in: i915(+) snd_hda_codec_intelhdmi snd_hda_codec_hdmi prime_numbers drm_buddy ttm drm_display_helper cec rc_core i2c_algo_bit kunit intel_rapl_msr intel_rapl_common intel_uncore_frequency intel_uncore_frequency_common x86_pkg_temp_thermal intel_powerclamp coretemp ee1004 cmdlinepart mei_pxp mei_hdcp spi_nor tps6598x mtd typec wmi_bmof kvm_intel kvm irqbypass aesni_intel snd_intel_dspcfg gf128mul snd_hda_codec snd_hda_core rapl snd_hwdep intel_cstate snd_pcm snd_timer i2c_i801 igc i2c_mux mei_me snd i2c_smbus spi_intel_pci mei idma64 spi_intel soundcore video serial_multi_instantiate binfmt_misc intel_pmc_core pmt_telemetry pmt_discovery nls_iso8859_1 pmt_class intel_pmc_ssram_telemetry intel_vsec wmi acpi_pad thunderbolt pinctrl_tigerlake igen6_edac acpi_tad dm_multipath msr nvme_fabrics fuse efi_pstore nfnetlink autofs4 [last unloaded: i915] <4>[ 178.024056] CPU: 3 UID: 0 PID: 223 Comm: kworker/3:2 Tainted: G S U L 7.1.0-rc4-CI_DRM_18503-g34248c99a9fd+ #1 PREEMPT(lazy) <4>[ 178.024062] Tainted: [S]=CPU_OUT_OF_SPEC, [U]=USER, [L]=SOFTLOCKUP <4>[ 178.024065] Hardware name: Intel(R) Client Systems NUC11TNHi5/NUC11TNBi5, BIOS TNTGL357.0042.2020.1221.1743 12/21/2020 <4>[ 178.024068] Workqueue: 0x0 (i915-unordered) <4>[ 178.024076] RIP: 0010:refcount_warn_saturate+0x68/0xb0 <4>[ 178.024081] Code: 0f b9 3a 5d 31 f6 31 ff e9 05 71 af 00 48 8d 3d ae c6 b9 01 67 48 0f b9 3a 5d 31 f6 31 ff c3 cc cc cc cc 48 8d 3d a8 c6 b9 01 <67> 48 0f b9 3a 5d 31 f6 31 ff e9 d9 70 af 00 48 8d 3d a2 c6 b9 01 Panic#2 Part6 <4>[ 178.024084] RSP: 0018:ffffc90000234d90 EFLAGS: 00010046 <4>[ 178.024089] RAX: 00000000cccccccc RBX: ffff88811b3f7240 RCX: 0000000000000000 <4>[ 178.024091] RDX: 0000000000000000 RSI: 0000000000000003 RDI: ffffffff839df4e0 <4>[ 178.024094] RBP: ffffc90000234d90 R08: 0000000000000000 R09: 0000000000000000 <4>[ 178.024096] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88811b3f1810 <4>[ 178.024098] R13: ffff88811b3f7298 R14: ffff88811b3f17a8 R15: 0000000000000000 <4>[ 178.024101] FS: 0000000000000000(0000) GS:ffff88851c203000(0000) knlGS:0000000000000000 <4>[ 178.024104] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 178.024106] CR2: 00007a4c4dd16710 CR3: 000000011599b005 CR4: 0000000000f72ef0 <4>[ 178.024109] PKRU: 55555554 <4>[ 178.024111] Call Trace: <4>[ 178.024113] <4>[ 178.024116] signal_irq_work+0x218/0x6d0 [i915] <4>[ 178.024445] irq_work_single+0x78/0xa0 <4>[ 178.024453] irq_work_run_list+0x33/0x60 <4>[ 178.024458] irq_work_run+0x18/0x40 <4>[ 178.024462] __sysvec_irq_work+0x35/0x180 <4>[ 178.024468] sysvec_irq_work+0x47/0xc0 <4>[ 178.024475] asm_sysvec_irq_work+0x1b/0x20 <4>[ 178.024480] RIP: 0010:handle_softirqs+0xae/0x4f0 <4>[ 178.024485] Code: 88 7d d2 83 80 7c 0f 00 00 01 44 89 6d bc 44 88 75 d3 41 89 de 31 d2 65 66 89 15 35 22 bc 02 e8 68 2b 21 00 fb 0f 1f 44 00 00 <41> bc ff ff ff ff 48 c7 c3 c0 60 40 83 45 0f bc e6 41 83 c4 01 75 <4>[ 178.024488] RSP: 0018:ffffc90000234f68 EFLAGS: 00000246 Panic#2 Part5 <4>[ 178.024491] RAX: 0000000000000000 RBX: 0000000000000283 RCX: 0000000000000000 <4>[ 178.024494] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 <4>[ 178.024496] RBP: ffffc90000234fb8 R08: 0000000000000000 R09: 0000000000000000 <4>[ 178.024498] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000fffe2242 <4>[ 178.024501] R13: 000000000000000a R14: 0000000000000283 R15: 0000000000000001 <4>[ 178.024517] ? handle_softirqs+0xa8/0x4f0 <4>[ 178.024523] ? _raw_spin_unlock+0x22/0x50 <4>[ 178.024531] __irq_exit_rcu+0xdb/0x1c0 <4>[ 178.024537] irq_exit_rcu+0xe/0x20 <4>[ 178.024541] common_interrupt+0xb6/0xe0 <4>[ 178.024546] <4>[ 178.024548] <4>[ 178.024553] asm_common_interrupt+0x27/0x40 <4>[ 178.024556] RIP: 0010:schedule+0x52/0x180 <4>[ 178.024560] Code: 85 c0 75 7e 65 ff 05 0d b0 66 01 31 ff e8 16 e0 ff ff 65 ff 0d ff af 66 01 48 8b 03 a8 10 75 e4 8b 43 2c a9 30 00 00 20 74 35 00 00 00 20 74 1e 48 8b 83 30 17 00 00 48 85 c0 74 08 48 c7 40 <4>[ 178.024562] RSP: 0018:ffffc9000055fe80 EFLAGS: 00000202 <4>[ 178.024566] RAX: 0000000004208060 RBX: ffff888109480040 RCX: 0000000000000000 <4>[ 178.024568] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 <4>[ 178.024570] RBP: ffffc9000055fe88 R08: 0000000000000000 R09: 0000000000000000 <4>[ 178.024573] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8884a01b4960 <4>[ 178.024575] R13: ffff8884a01b4900 R14: ffff8881095793c0 R15: ffff888109579408 <4>[ 178.024591] worker_thread+0xd4/0x3f0 <4>[ 178.024598] ? __pfx_worker_thread+0x10/0x10 <4>[ 178.024603] kthread+0x10d/0x150 Panic#2 Part4 <4>[ 178.024608] ? __pfx_kthread+0x10/0x10 <4>[ 178.024614] ret_from_fork+0x3bd/0x470 <4>[ 178.024619] ? __pfx_kthread+0x10/0x10 <4>[ 178.024624] ret_from_fork_asm+0x1a/0x30 <4>[ 178.024645] <4>[ 178.024647] irq event stamp: 3922827 <4>[ 178.024650] hardirqs last enabled at (3922826): [] irqentry_exit+0x2a2/0x870 <4>[ 178.024654] hardirqs last disabled at (3922827): [] sysvec_irq_work+0x11/0xc0 <4>[ 178.024658] softirqs last enabled at (3922800): [] __irq_exit_rcu+0xdb/0x1c0 <4>[ 178.024663] softirqs last disabled at (3922817): [] __irq_exit_rcu+0xdb/0x1c0 <4>[ 178.024667] ---[ end trace 0000000000000000 ]--- <4>[ 178.024756] Oops: general protection fault, probably for non-canonical address 0xdead0000000000a2: 0000 [#1] SMP NOPTI <4>[ 178.024770] CPU: 3 UID: 0 PID: 223 Comm: kworker/3:2 Tainted: G S U W L 7.1.0-rc4-CI_DRM_18503-g34248c99a9fd+ #1 PREEMPT(lazy) <4>[ 178.024780] Tainted: [S]=CPU_OUT_OF_SPEC, [U]=USER, [W]=WARN, [L]=SOFTLOCKUP <4>[ 178.024784] Hardware name: Intel(R) Client Systems NUC11TNHi5/NUC11TNBi5, BIOS TNTGL357.0042.2020.1221.1743 12/21/2020 <4>[ 178.024791] Workqueue: 0x0 (i915-unordered) <4>[ 178.024797] RIP: 0010:i915_request_enable_breadcrumb+0xe1/0x440 [i915] <4>[ 178.025113] Code: 0c 01 00 00 49 8b 57 48 4d 8d 77 48 49 39 d6 0f 84 88 01 00 00 4d 8b 67 50 4d 39 e6 75 0c eb 11 4d 8b 64 24 08 4d 39 e6 74 07 <41> 3b 44 24 80 78 ef 48 85 db 74 2f 48 8d 7b 70 b8 01 00 00 00 f0 <4>[ 178.025129] RSP: 0018:ffffc90000234dc8 EFLAGS: 00010006 <4>[ 178.025137] RAX: 0000000000003cac RBX: ffff888134ae5980 RCX: ffff888134514700