Oops#1 Part13
<7>[ 148.085315] i915 0000:00:02.0: [drm:intel_crtc_state_dump [i915]] pipe mode: "1920x1080": 120 285500 1920 1968 2000 2080 1080 1083 1088 1144 0x40 0x5
<7>[ 148.085501] i915 0000:00:02.0: [drm:intel_crtc_state_dump [i915]] crtc timings: clock=285500, hd=1920 hb=1920-2080 hs=1968-2000 ht=2080, vd=1080 vb=1080-1144 vs=1083-1088 vt=1144, flags=0x5
<7>[ 148.085655] i915 0000:00:02.0: [drm:intel_crtc_state_dump [i915]] port clock: 285500, pipe src: 1920x1080+0+0, pixel rate 285500, min cdclk 192000
<7>[ 148.085808] i915 0000:00:02.0: [drm:intel_crtc_state_dump [i915]] linetime: 59, ips linetime: 0
<7>[ 148.085959] i915 0000:00:02.0: [drm:intel_crtc_state_dump [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1, scaling_filter: 0
<7>[ 148.086111] i915 0000:00:02.0: [drm:intel_crtc_state_dump [i915]] pch pfit: 0x0+0+0, disabled, force thru: no
<7>[ 148.086280] i915 0000:00:02.0: [drm:intel_crtc_state_dump [i915]] ips: 0, double wide: 0, drrs: 0
<7>[ 148.086457] i915 0000:00:02.0: [drm:intel_crtc_state_dump [i915]] dpll_hw_state: cfgcr0: 0x1801be, cfgcr1: 0x488, div0: 0x0, mg_refclkin_ctl: 0x0, hg_clktop2_coreclkctl1: 0x0, mg_clktop2_hsclkctl: 0x0, mg_pll_div0: 0x0, mg_pll_div2: 0x0, mg_pll_lf: 0x0, mg_pll_frac_lock: 0x0, mg_pll_ssc: 0x0, mg_pll_bias: 0x0, mg_pll_tdc_coldst_bias: 0x0
<7>[ 148.086611] i915 0000:00:02.0: [drm:intel_crtc_state_dump [i915]] csc_mode: 0x0 gamma_mode: 0x0 gamma_enable: 0 csc_enable: 0
<7>[ 148.086762] i915 0000:00:02.0: [drm:intel_crtc_state_dump [i915]] pre csc lut: 0 entries, post csc lut: 0 entries
<7>[ 148.086913] i915 0000:00:02.0: [drm:intel_crtc_state_dump [i915]] output csc: pre offsets: 0x0000 0x0000 0x0000
Oops#1 Part12
<7>[ 148.087065] i915 0000:00:02.0: [drm:intel_crtc_state_dump [i915]] output csc: coefficients: 0x0000 0x0000 0x0000
<7>[ 148.087217] i915 0000:00:02.0: [drm:intel_crtc_state_dump [i915]] output csc: coefficients: 0x0000 0x0000 0x0000
<7>[ 148.087387] i915 0000:00:02.0: [drm:intel_crtc_state_dump [i915]] output csc: coefficients: 0x0000 0x0000 0x0000
<7>[ 148.087563] i915 0000:00:02.0: [drm:intel_crtc_state_dump [i915]] output csc: post offsets: 0x0000 0x0000 0x0000
<7>[ 148.087716] i915 0000:00:02.0: [drm:intel_crtc_state_dump [i915]] pipe csc: pre offsets: 0x0000 0x0000 0x0000
<7>[ 148.087868] i915 0000:00:02.0: [drm:intel_crtc_state_dump [i915]] pipe csc: coefficients: 0x0000 0x0000 0x0000
<7>[ 148.088019] i915 0000:00:02.0: [drm:intel_crtc_state_dump [i915]] pipe csc: coefficients: 0x0000 0x0000 0x0000
<7>[ 148.088170] i915 0000:00:02.0: [drm:intel_crtc_state_dump [i915]] pipe csc: coefficients: 0x0000 0x0000 0x0000
<7>[ 148.088335] i915 0000:00:02.0: [drm:intel_crtc_state_dump [i915]] pipe csc: post offsets: 0x0000 0x0000 0x0000
<7>[ 148.088514] i915 0000:00:02.0: [drm:intel_crtc_state_dump [i915]] sharpness strength: 0, sharpness tap size: 0, sharpness enable: 0
<7>[ 148.088666] i915 0000:00:02.0: [drm:intel_crtc_state_dump [i915]] [PLANE:34:plane 1A] fb: [FB:634] 1920x1080 format = XR24 little-endian (0x34325258) modifier = 0x0, visible: yes
<7>[ 148.088818] i915 0000:00:02.0: [drm:intel_crtc_state_dump [i915]] rotation: 0x1, scaler: -1, scaling_filter: 0
<7>[ 148.088970] i915 0000:00:02.0: [drm:intel_crtc_state_dump [i915]] src: 1920.000000x1080.000000+0.000000+0.000000 dst: 1920x1080+0+0
Oops#1 Part11
<7>[ 148.089122] i915 0000:00:02.0: [drm:intel_crtc_state_dump [i915]] [PLANE:64:plane 2A] fb: [NOFB], visible: no
<7>[ 148.089330] i915 0000:00:02.0: [drm:intel_crtc_state_dump [i915]] [PLANE:94:plane 3A] fb: [NOFB], visible: no
<7>[ 148.089506] i915 0000:00:02.0: [drm:intel_crtc_state_dump [i915]] [PLANE:124:plane 4A] fb: [NOFB], visible: no
<7>[ 148.089664] i915 0000:00:02.0: [drm:intel_crtc_state_dump [i915]] [PLANE:134:plane 5A] fb: [NOFB], visible: no
<7>[ 148.089818] i915 0000:00:02.0: [drm:intel_crtc_state_dump [i915]] [PLANE:144:plane 6A] fb: [NOFB], visible: no
<7>[ 148.089972] i915 0000:00:02.0: [drm:intel_crtc_state_dump [i915]] [PLANE:154:plane 7A] fb: [NOFB], visible: no
<7>[ 148.090125] i915 0000:00:02.0: [drm:intel_crtc_state_dump [i915]] [PLANE:164:cursor A] fb: [NOFB], visible: no
<7>[ 148.090443] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling DC_off
<7>[ 148.091136] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 02 to 00
<7>[ 148.092360] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling PW_2
<7>[ 148.092529] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling PW_3
<7>[ 148.092705] i915 0000:00:02.0: [drm:intel_set_cdclk [i915]] Pre changing CDCLK to 192000 kHz, VCO 384000 kHz, ref 38400 kHz, bypass 19200 kHz, voltage level 0
<7>[ 148.092953] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:586:DDI B/PHY B]
<7>[ 148.093113] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:596:DDI TC1/PHY TC1]
<7>[ 148.093290] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:598:DP-MST A]
Oops#1 Part10
<7>[ 148.093469] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:599:DP-MST B]
<7>[ 148.093625] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:600:DP-MST C]
<7>[ 148.093781] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:601:DP-MST D]
<7>[ 148.093935] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:606:DDI TC2/PHY TC2]
<7>[ 148.094089] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:608:DP-MST A]
<7>[ 148.094258] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:609:DP-MST B]
<7>[ 148.094433] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:610:DP-MST C]
<7>[ 148.094586] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:611:DP-MST D]
<7>[ 148.094739] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:615:DDI TC3/PHY TC3]
<7>[ 148.094891] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:617:DP-MST A]
<7>[ 148.095043] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:618:DP-MST B]
<7>[ 148.095194] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:619:DP-MST C]
<7>[ 148.095364] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:620:DP-MST D]
<7>[ 148.095553] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:624:DDI TC4/PHY TC4]
<7>[ 148.095704] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:626:DP-MST A]
<7>[ 148.095855] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:627:DP-MST B]
Oops#1 Part9
<7>[ 148.096005] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:628:DP-MST C]
<7>[ 148.096155] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:629:DP-MST D]
<7>[ 148.096499] i915 0000:00:02.0: [drm:gen9_dbuf_slices_update [i915]] Updating dbuf slices to 0x3
<7>[ 148.096760] i915 0000:00:02.0: [drm:intel_dpll_enable [i915]] enable DPLL 0 (active 0x1, on? 0) for [CRTC:170:pipe A]
<7>[ 148.096927] i915 0000:00:02.0: [drm:intel_dpll_enable [i915]] enabling DPLL 0
<7>[ 148.097163] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling DDI_IO_B
<7>[ 148.097440] i915 0000:00:02.0: [drm:intel_enable_transcoder [i915]] enabling pipe A
<7>[ 148.098166] i915 0000:00:02.0: [drm:intel_hdmi_handle_sink_scrambling [i915]] [CONNECTOR:587:HDMI-A-1] scrambling=no, TMDS bit clock ratio=1/10
<7>[ 148.098758] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0054 w(1)
<7>[ 148.098909] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK on first message, retry
<7>[ 148.099483] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0054 w(1)
<7>[ 148.099652] i915 0000:00:02.0: [drm:drm_scdc_set_high_tmds_clock_ratio [drm_display_helper]] [CONNECTOR:587:HDMI-A-1] Failed to read TMDS config: -6
<7>[ 148.099667] i915 0000:00:02.0: [drm:intel_ddi_enable [i915]] [CONNECTOR:587:HDMI-A-1] Failed to configure sink scrambling/TMDS bit clock ratio
<7>[ 148.103240] i915 0000:00:02.0: [drm:intel_fbc_update [i915]] reserved 17694720 bytes of contiguous stolen space for FBC, limit: 1
Oops#1 Part8
<7>[ 148.103440] i915 0000:00:02.0: [drm:intel_fbc_update [i915]] Enabling FBC on [PLANE:34:plane 1A]
<7>[ 148.108288] i915 0000:00:02.0: [drm:intel_audio_codec_enable [i915]] [CONNECTOR:587:HDMI-A-1][ENCODER:586:DDI B/PHY B] Enable audio codec on [CRTC:170:pipe A], 64 bytes ELD
<7>[ 148.116613] i915 0000:00:02.0: [drm:audio_config_hdmi_pixel_clock [i915]] HDMI audio pixel clock setting for 285500 not found, falling back to defaults
<7>[ 148.116805] i915 0000:00:02.0: [drm:audio_config_hdmi_pixel_clock [i915]] Configuring HDMI audio for pixel clock 25200 (0x00010000)
<7>[ 148.116966] i915 0000:00:02.0: [drm:hsw_audio_config_update [i915]] using automatic N
<6>[ 148.117129] snd_hda_codec_intelhdmi hdaudioC0D2: HDMI: audio coding xtype 5 not expected
<6>[ 148.117132] snd_hda_codec_intelhdmi hdaudioC0D2: HDMI: audio coding xtype 0 not expected
<6>[ 148.117134] snd_hda_codec_intelhdmi hdaudioC0D2: HDMI: audio coding xtype 10 not expected
<6>[ 148.117136] snd_hda_codec_intelhdmi hdaudioC0D2: HDMI: audio coding xtype 6 not expected
<7>[ 148.117293] i915 0000:00:02.0: [drm:verify_connector_state [i915]] [CONNECTOR:587:HDMI-A-1]
<7>[ 148.117559] i915 0000:00:02.0: [drm:intel_modeset_verify_crtc [i915]] [CRTC:170:pipe A]
<7>[ 148.118693] i915 0000:00:02.0: [drm:drm_client_dev_restore] fbdev: ret=0
<6>[ 148.125131] Console: switching to colour frame buffer device 240x67
<7>[ 148.146273] i915 0000:00:02.0: [drm:intel_audio_component_get_power [i915]] restored AUD_FREQ_CNTRL to 0x810
<7>[ 148.150859] azx_init_pci: snd_hda_intel 0000:00:1f.3: Clearing TCSEL
Oops#1 Part7
<7>[ 148.150888] azx_init_pci: snd_hda_intel 0000:00:1f.3: SCH snoop: Enabled
<7>[ 148.951373] i915 0000:00:02.0: [drm:i915_hotplug_work_func [i915]] running encoder hotplug functions
<7>[ 148.951904] i915 0000:00:02.0: [drm:i915_hotplug_work_func [i915]] Connector HDMI-A-1 (pin 5) received hotplug event. (retry 1)
<7>[ 148.952425] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:587:HDMI-A-1]
<7>[ 148.979953] i915 0000:00:02.0: [drm:update_display_info.part.0] [CONNECTOR:587:HDMI-A-1] Supported Monitor Refresh rate range is 0 Hz - 0 Hz
<7>[ 148.979965] i915 0000:00:02.0: [drm:update_display_info.part.0] [CONNECTOR:587:HDMI-A-1] HDMI: DVI dual 0, max TMDS clock 300000 kHz
<7>[ 148.979968] i915 0000:00:02.0: [drm:update_display_info.part.0] [CONNECTOR:587:HDMI-A-1] No deep color support on this HDMI sink.
<7>[ 148.979971] i915 0000:00:02.0: [drm:update_display_info.part.0] [CONNECTOR:587:HDMI-A-1] HF-VSDB: max TMDS clock: 600000 KHz, HDMI 2.1 support: no, DSC 1.2 support: no
<7>[ 148.979974] i915 0000:00:02.0: [drm:update_display_info.part.0] [CONNECTOR:587:HDMI-A-1] Assigning EDID-1.4 digital sink color depth as 8 bpc.
<7>[ 148.979977] i915 0000:00:02.0: [drm:update_display_info.part.0] [CONNECTOR:587:HDMI-A-1] ELD monitor fitHeadlessGS
<7>[ 148.979980] i915 0000:00:02.0: [drm:update_display_info.part.0] [CONNECTOR:587:HDMI-A-1] HDMI: latency present 0 0, video latency 0 0, audio latency 0 0
<7>[ 148.979984] i915 0000:00:02.0: [drm:update_display_info.part.0] [CONNECTOR:587:HDMI-A-1] ELD size 64, SAD count 10
<7>[ 148.980396] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0040 w(1)
Oops#1 Part6
<7>[ 148.980570] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK on first message, retry
<7>[ 148.981111] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0040 w(1)
<7>[ 148.981291] i915 0000:00:02.0: [drm:drm_dp_dual_mode_detect [drm_display_helper]] DP dual mode HDMI ID: (err -6)
<7>[ 149.014503] i915 0000:00:02.0: [drm:intel_tc_port_reset_mode [i915]] Port G/TC#4: TC port mode reset (tbt-alt -> disconnected) pin assignment: - max lanes: 4
<7>[ 149.014549] i915 0000:00:02.0: [drm:intel_tc_port_reset_mode [i915]] Port F/TC#3: TC port mode reset (tbt-alt -> disconnected) pin assignment: - max lanes: 4
<7>[ 149.014600] i915 0000:00:02.0: [drm:intel_tc_port_reset_mode [i915]] Port E/TC#2: TC port mode reset (tbt-alt -> disconnected) pin assignment: - max lanes: 4
<7>[ 149.014647] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling TC_cold_off
<7>[ 149.015135] i915 0000:00:02.0: [drm:tgl_tc_cold_request [i915]] TC cold unblock succeeded
<7>[ 149.015668] i915 0000:00:02.0: [drm:intel_tc_port_reset_mode [i915]] Port D/TC#1: TC port mode reset (legacy -> disconnected) pin assignment: - max lanes: 4
<6>[ 152.126541] igc 0000:58:00.0 enp88s0: NIC Link is Up 2500 Mbps Full Duplex, Flow Control: RX
<6>[ 157.263342] Console: switching to colour dummy device 80x25
<14>[ 157.263583] [IGT] gem_pread: executing
<7>[ 157.267030] i915 0000:00:02.0: [drm:i915_gem_open [i915]]
<7>[ 157.267768] i915 0000:00:02.0: [drm:i915_drop_caches_set [i915]] Dropping caches: 0x000001dc [0x000001dc]
Oops#1 Part5
<7>[ 157.268056] i915 0000:00:02.0: [drm:i915_gem_open [i915]]
<14>[ 157.268861] [IGT] gem_pread: starting subtest exhaustion
<7>[ 157.269085] i915 0000:00:02.0: [drm:i915_gem_open [i915]]
<6>[ 157.294570] [drm] Initialized vgem 1.0.0 for vgem on minor 1
<7>[ 157.314583] i915 0000:00:02.0: [drm:i915_gem_open [i915]]
<4>[ 160.245303] ------------[ cut here ]------------
<4>[ 160.245315] DEBUG_LOCKS_WARN_ON(1)
<4>[ 160.245317] WARNING: kernel/locking/lockdep.c:238 at __lock_acquire+0xb58/0x2790, CPU#0: kworker/u32:14/2168
<4>[ 160.245332] Modules linked in: vgem snd_hda_codec_intelhdmi snd_hda_codec_hdmi i915 prime_numbers drm_buddy ttm drm_display_helper cec rc_core i2c_algo_bit kunit ee1004 mei_hdcp cmdlinepart mei_pxp spi_nor mtd tps6598x typec intel_rapl_msr intel_rapl_common intel_uncore_frequency intel_uncore_frequency_common x86_pkg_temp_thermal intel_powerclamp coretemp snd_hda_intel kvm_intel snd_intel_dspcfg wmi_bmof snd_hda_codec kvm snd_hda_core irqbypass snd_hwdep ghash_clmulni_intel aesni_intel snd_pcm rapl snd_timer i2c_i801 intel_cstate i2c_mux snd spi_intel_pci soundcore i2c_smbus igc spi_intel mei_me binfmt_misc thunderbolt idma64 mei video igen6_edac serial_multi_instantiate intel_pmc_core pmt_telemetry nls_iso8859_1 pmt_discovery pmt_class wmi intel_pmc_ssram_telemetry acpi_pad acpi_tad pinctrl_tigerlake intel_vsec dm_multipath msr nvme_fabrics fuse efi_pstore nfnetlink autofs4
<4>[ 160.245442] CPU: 0 UID: 0 PID: 2168 Comm: kworker/u32:14 Tainted: G S U 7.0.0-rc2-Patchwork_162484v1-g17ea88b18f33+ #1 PREEMPT(lazy)
Oops#1 Part4
<4>[ 160.245452] Tainted: [S]=CPU_OUT_OF_SPEC, [U]=USER
<4>[ 160.245455] Hardware name: Intel(R) Client Systems NUC11TNHi5/NUC11TNBi5, BIOS TNTGL357.0042.2020.1221.1743 12/21/2020
<4>[ 160.245463] Workqueue: i915 __i915_gem_free_work [i915]
<4>[ 160.245722] RIP: 0010:__lock_acquire+0xb5f/0x2790
<4>[ 160.245731] Code: 55 b0 85 c0 44 8b 5d a8 0f 84 2b fc ff ff 8b 05 d7 df 51 02 85 c0 0f 85 1d fc ff ff 48 8d 3d 98 f5 52 02 48 c7 c6 c1 44 1e 83 <67> 48 0f b9 3a 31 c0 44 8b 5d a8 4c 8b 55 b0 44 8b 4d b8 e9 a3 f6
<4>[ 160.245742] RSP: 0018:ffffc900094dbbf8 EFLAGS: 00010046
<4>[ 160.245748] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
<4>[ 160.245754] RDX: 0000000000000000 RSI: ffffffff831e44c1 RDI: ffffffff839bd2d0
<4>[ 160.245760] RBP: ffffc900094dbc98 R08: 0000000000000000 R09: 0000000000000002
<4>[ 160.245765] R10: ffff888120178ff0 R11: 0000000000000001 R12: c318db6ac78d5461
<4>[ 160.245771] R13: 0000000000000000 R14: ffff888189118268 R15: ffff888120178040
<4>[ 160.245777] FS: 0000000000000000(0000) GS:ffff88851be99000(0000) knlGS:0000000000000000
<4>[ 160.245783] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[ 160.245787] CR2: 0000781aad612000 CR3: 000000000344c004 CR4: 0000000000f72ef0
<4>[ 160.245793] PKRU: 55555554
<4>[ 160.245796] Call Trace:
<4>[ 160.245799]
<4>[ 160.245803] ? irqentry_exit+0x6a/0x7c0
<4>[ 160.245810] ? sysvec_apic_timer_interrupt+0x57/0xc0
<4>[ 160.245816] ? trace_hardirqs_on+0x22/0x100
<4>[ 160.245826] lock_acquire+0xc4/0x2f0
<4>[ 160.245831] ? dma_buf_put+0x30/0x120
<4>[ 160.245840] _raw_spin_lock+0x2f/0x60
Oops#1 Part3
<4>[ 160.245846] ? dma_buf_put+0x30/0x120
<4>[ 160.245851] dma_buf_put+0x30/0x120
<4>[ 160.245856] drm_prime_gem_destroy+0x38/0x50
<4>[ 160.245864] __i915_gem_free_object+0x60/0x200 [i915]
<4>[ 160.246066] __i915_gem_free_objects.isra.0+0x7b/0xd0 [i915]
<4>[ 160.246315] __i915_gem_free_work+0x25/0x30 [i915]
<4>[ 160.246545] process_one_work+0x22e/0x740
<4>[ 160.246555] worker_thread+0x1e8/0x3d0
<4>[ 160.246560] ? __pfx_worker_thread+0x10/0x10
<4>[ 160.246565] kthread+0x10d/0x150
<4>[ 160.246571] ? __pfx_kthread+0x10/0x10
<4>[ 160.246577] ret_from_fork+0x3d4/0x480
<4>[ 160.246583] ? __pfx_kthread+0x10/0x10
<4>[ 160.246588] ret_from_fork_asm+0x1a/0x30
<4>[ 160.246598]
<4>[ 160.246601] irq event stamp: 1970413
<4>[ 160.246605] hardirqs last enabled at (1970413): [] irqentry_exit+0x6a/0x7c0
<4>[ 160.246614] hardirqs last disabled at (1970411): [] handle_softirqs+0x457/0x500
<4>[ 160.246623] softirqs last enabled at (1970412): [] __irq_exit_rcu+0x13f/0x160
<4>[ 160.246631] softirqs last disabled at (1969961): [] __irq_exit_rcu+0x13f/0x160
<4>[ 160.246638] ---[ end trace 0000000000000000 ]---
<1>[ 160.246646] BUG: kernel NULL pointer dereference, address: 00000000000000c4
<1>[ 160.246650] #PF: supervisor read access in kernel mode
<1>[ 160.246655] #PF: error_code(0x0000) - not-present page
<6>[ 160.246660] PGD 0 P4D 0
<4>[ 160.246665] Oops: Oops: 0000 [#1] SMP NOPTI
<4>[ 160.246671] CPU: 0 UID: 0 PID: 2168 Comm: kworker/u32:14 Tainted: G S U W 7.0.0-rc2-Patchwork_162484v1-g17ea88b18f33+ #1 PREEMPT(lazy)
Oops#1 Part2
<4>[ 160.246682] Tainted: [S]=CPU_OUT_OF_SPEC, [U]=USER, [W]=WARN
<4>[ 160.246687] Hardware name: Intel(R) Client Systems NUC11TNHi5/NUC11TNBi5, BIOS TNTGL357.0042.2020.1221.1743 12/21/2020
<4>[ 160.246695] Workqueue: i915 __i915_gem_free_work [i915]
<4>[ 160.246926] RIP: 0010:__lock_acquire+0x21a/0x2790
<4>[ 160.246932] Code: 41 89 42 20 4c 89 e0 25 ff 1f 00 00 48 0f a3 05 bc a7 b8 03 0f 83 56 05 00 00 48 8d 04 80 48 8d 04 80 48 8d 04 c5 a0 7f 01 85 <44> 0f b6 b0 c4 00 00 00 41 0f b7 42 20 66 25 ff 1f 0f b7 c0 48 0f
<4>[ 160.246943] RSP: 0018:ffffc900094dbbf8 EFLAGS: 00010046
<4>[ 160.246948] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
<4>[ 160.246954] RDX: 0000000000000000 RSI: ffffffff831e44c1 RDI: ffffffff839bd2d0
<4>[ 160.246959] RBP: ffffc900094dbc98 R08: 0000000000000000 R09: 0000000000000002
<4>[ 160.246965] R10: ffff888120178ff0 R11: 0000000000000001 R12: c318db6ac78d5461
<4>[ 160.246970] R13: 0000000000000000 R14: ffff888189118268 R15: ffff888120178040
<4>[ 160.246976] FS: 0000000000000000(0000) GS:ffff88851be99000(0000) knlGS:0000000000000000
<4>[ 160.246983] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[ 160.246987] CR2: 00000000000000c4 CR3: 000000000344c004 CR4: 0000000000f72ef0
<4>[ 160.246993] PKRU: 55555554
<4>[ 160.246997] Call Trace:
<4>[ 160.246999]
<4>[ 160.247003] ? irqentry_exit+0x6a/0x7c0
<4>[ 160.247009] ? sysvec_apic_timer_interrupt+0x57/0xc0
<4>[ 160.247015] ? trace_hardirqs_on+0x22/0x100
<4>[ 160.247023] lock_acquire+0xc4/0x2f0
<4>[ 160.247029] ? dma_buf_put+0x30/0x120
<4>[ 160.247037] _raw_spin_lock+0x2f/0x60
<4>[ 160.247042] ? dma_buf_put+0x30/0x120
Oops#1 Part1
<4>[ 160.247047] dma_buf_put+0x30/0x120
<4>[ 160.247052] drm_prime_gem_destroy+0x38/0x50
<4>[ 160.247060] __i915_gem_free_object+0x60/0x200 [i915]
<4>[ 160.247288] __i915_gem_free_objects.isra.0+0x7b/0xd0 [i915]
<4>[ 160.247521] __i915_gem_free_work+0x25/0x30 [i915]
<4>[ 160.247748] process_one_work+0x22e/0x740
<4>[ 160.247756] worker_thread+0x1e8/0x3d0
<4>[ 160.247761] ? __pfx_worker_thread+0x10/0x10
<4>[ 160.247767] kthread+0x10d/0x150
<4>[ 160.247773] ? __pfx_kthread+0x10/0x10
<4>[ 160.247780] ret_from_fork+0x3d4/0x480
<4>[ 160.247785] ? __pfx_kthread+0x10/0x10
<4>[ 160.247790] ret_from_fork_asm+0x1a/0x30
<4>[ 160.247799]
<4>[ 160.247803] Modules linked in: vgem snd_hda_codec_intelhdmi snd_hda_codec_hdmi i915 prime_numbers drm_buddy ttm drm_display_helper cec rc_core i2c_algo_bit kunit ee1004 mei_hdcp cmdlinepart mei_pxp spi_nor mtd tps6598x typec intel_rapl_msr intel_rapl_common intel_uncore_frequency intel_uncore_frequency_common x86_pkg_temp_thermal intel_powerclamp coretemp snd_hda_intel kvm_intel snd_intel_dspcfg wmi_bmof snd_hda_codec kvm snd_hda_core irqbypass snd_hwdep ghash_clmulni_intel aesni_intel snd_pcm rapl snd_timer i2c_i801 intel_cstate i2c_mux snd spi_intel_pci soundcore i2c_smbus igc spi_intel mei_me binfmt_misc thunderbolt idma64 mei video igen6_edac serial_multi_instantiate intel_pmc_core pmt_telemetry nls_iso8859_1 pmt_discovery pmt_class wmi intel_pmc_ssram_telemetry acpi_pad acpi_tad pinctrl_tigerlake intel_vsec dm_multipath msr nvme_fabrics fuse efi_pstore nfnetlink autofs4
<4>[ 160.247916] CR2: 00000000000000c4
<4>[ 160.247922] ---[ end trace 0000000000000000 ]---