igt@i915_pm_rps@reset - incomplete - BUG: kernel NULL pointer dereference, address: 00000000000004c8
<6> [263.892543] Console: switching to colour dummy device 80x25
<6> [263.892904] [IGT] i915_pm_rps: executing
<7> [263.895406] i915 0000:00:02.0: [drm:i915_gem_open [i915]]
<7> [263.896869] i915 0000:00:02.0: [drm:i915_drop_caches_set [i915]] Dropping caches: 0x000001dc [0x000001dc]
<7> [263.897121] i915 0000:00:02.0: [drm:i915_gem_open [i915]]
<7> [263.897569] i915 0000:00:02.0: [drm:i915_gem_open [i915]]
<6> [263.900502] [IGT] i915_pm_rps: starting subtest reset
<7> [263.900886] i915 0000:00:02.0: [drm:i915_gem_open [i915]]
<7> [264.365727] i915 0000:00:02.0: [drm:intel_tc_port_update_mode [i915]] Port G/TC#4: TC port mode reset (tbt-alt -> disconnected)
<7> [264.365740] i915 0000:00:02.0: [drm:intel_tc_port_update_mode [i915]] Port F/TC#3: TC port mode reset (tbt-alt -> disconnected)
<7> [264.365763] i915 0000:00:02.0: [drm:intel_tc_port_update_mode [i915]] Port E/TC#2: TC port mode reset (tbt-alt -> disconnected)
<7> [264.365771] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling TC_cold_off
<7> [264.365983] i915 0000:00:02.0: [drm:tgl_tc_cold_request [i915]] TC cold unblock succeeded
<7> [264.366162] i915 0000:00:02.0: [drm:intel_tc_port_update_mode [i915]] Port D/TC#1: TC port mode reset (legacy -> disconnected)
<1> [265.160749] BUG: kernel NULL pointer dereference, address: 00000000000004c8
<1> [265.160757] #PF: supervisor read access in kernel mode
<1> [265.160759] #PF: error_code(0x0000) - not-present page
<6> [265.160762] PGD 0 P4D 0
<4> [265.160766] Oops: 0000 [#1] PREEMPT SMP NOPTI
<4> [265.160776] CPU: 1 PID: 1618 Comm: i915_pm_rps Tainted: G U 6.9.0-Patchwork_133624v3-g1ba62f8cea9c+ #1
<4> [265.160780] Hardware name: Intel(R) Client Systems NUC11TNHi5/NUC11TNBi5, BIOS TNTGL357.0042.2020.1221.1743 12/21/2020
<4> [265.160784] RIP: 0010:i915_gpu_coredump+0x534/0x810 [i915]
<4> [265.160929] Code: 85 34 02 00 00 e8 6c 09 d0 df 48 c7 c7 20 b4 73 82 48 8d 35 00 00 00 00 e8 69 a0 cc df 84 db 75 3a 48 8b 44 24 20 48 8d 55 18 <44> 0f b7 88 c8 04 00 00 48 8b 44 24 28 4c 8b 40 28 48 8b 48 20 48
<4> [265.160936] RSP: 0018:ffffc900022b3bc0 EFLAGS: 00010246
<4> [265.160940] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00000000f33623cd
<4> [265.160943] RDX: ffff8881646ea018 RSI: ffffffff8240d4be RDI: ffffffff8242d36d
<4> [265.160946] RBP: ffff8881646ea000 R08: 00000000ccea8f79 R09: 0000000000000001
<4> [265.160949] R10: 0000000000000001 R11: ffff888124903840 R12: 0000000000000000
<4> [265.160951] R13: ffff88812a0d3400 R14: ffff888157182000 R15: ffff888129ead000
<4> [265.160954] FS: 00007f899d44b140(0000) GS:ffff88849fe80000(0000) knlGS:0000000000000000
<4> [265.160958] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [265.160961] CR2: 00000000000004c8 CR3: 000000011ac0e006 CR4: 0000000000f70ef0
<4> [265.160964] PKRU: 55555554
<4> [265.160966] Call Trace:
<4> [265.160968] <TASK>
<4> [265.160969] ? __die_body+0x1a/0x60
<4> [265.160974] ? page_fault_oops+0x155/0x460
<4> [265.160978] ? do_user_addr_fault+0x64/0x9d0
<4> [265.160983] ? __lock_acquire+0xa8f/0x22f0
<4> [265.160989] ? exc_page_fault+0x67/0x1e0
<4> [265.160995] ? asm_exc_page_fault+0x26/0x30
<4> [265.161000] ? i915_gpu_coredump+0x534/0x810 [i915]
<4> [265.161133] i915_capture_error_state+0xe/0x70 [i915]
<4> [265.161231] intel_gt_handle_error+0x3e8/0x420 [i915]
<4> [265.161336] ? __lock_acquire+0xa8f/0x22f0
<4> [265.161342] intel_gt_debugfs_reset_store+0x5c/0xc0 [i915]
<4> [265.161432] i915_wedged_set+0x1d/0x40 [i915]
<4> [265.161511] simple_attr_write_xsigned.constprop.0+0xb4/0x110
<4> [265.161516] full_proxy_write+0x58/0x80
<4> [265.161520] vfs_write+0xcb/0x560
<4> [265.161524] ? _raw_spin_unlock_irqrestore+0x58/0x70
<4> [265.161528] ? lockdep_hardirqs_on+0xc2/0x140
<4> [265.161532] ? _raw_spin_unlock_irqrestore+0x41/0x70
<4> [265.161535] ksys_write+0x64/0xe0
<4> [265.161538] do_syscall_64+0x69/0x140
<4> [265.161541] entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4> [265.161545] RIP: 0033:0x7f899fd672f7
<4> [265.161547] Code: 75 05 48 83 c4 58 c3 e8 f7 33 ff ff 0f 1f 80 00 00 00 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
<4> [265.161554] RSP: 002b:00007ffd201cefd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
<4> [265.161558] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f899fd672f7
<4> [265.161561] RDX: 0000000000000014 RSI: 00007ffd201cf030 RDI: 0000000000000015
<4> [265.161564] RBP: 00007ffd201cf030 R08: 0000000000000000 R09: 00007ffd201cef80
<4> [265.161567] R10: 00007f899fe5791e R11: 0000000000000246 R12: 0000000000000015
<4> [265.161570] R13: 0000000000000000 R14: 0000000000000015 R15: 0000000000000000
<4> [265.161574] </TASK>
<4> [265.161575] Modules linked in: snd_hda_intel i915 amdgpu drm_ttm_helper drm_suballoc_helper amdxcp gpu_sched drm_exec vgem drm_shmem_helper fuse snd_hda_codec_hdmi x86_pkg_temp_thermal coretemp wmi_bmof kvm_intel smsc75xx usbnet mii kvm crct10dif_pclmul btusb btrtl crc32_pclmul btintel snd_intel_dspcfg ghash_clmulni_intel snd_hda_codec btbcm snd_hwdep prime_numbers igc bluetooth i2c_algo_bit ttm snd_hda_core ptp video ecdh_generic ecc pps_core drm_display_helper snd_pcm i2c_i801 mei_me thunderbolt i2c_smbus drm_buddy mei intel_lpss_pci wmi [last unloaded: i915]
<4> [265.161618] CR2: 00000000000004c8
<4> [265.161620] ---[ end trace 0000000000000000 ]---
<4> [274.982119] RIP: 0010:i915_gpu_coredump+0x534/0x810 [i915]
<4> [274.982285] Code: 85 34 02 00 00 e8 6c 09 d0 df 48 c7 c7 20 b4 73 82 48 8d 35 00 00 00 00 e8 69 a0 cc df 84 db 75 3a 48 8b 44 24 20 48 8d 55 18 <44> 0f b7 88 c8 04 00 00 48 8b 44 24 28 4c 8b 40 28 48 8b 48 20 48
<4> [274.982294] RSP: 0018:ffffc900022b3bc0 EFLAGS: 00010246
<4> [274.982299] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00000000f33623cd
<4> [274.982303] RDX: ffff8881646ea018 RSI: ffffffff8240d4be RDI: ffffffff8242d36d
<4> [274.982306] RBP: ffff8881646ea000 R08: 00000000ccea8f79 R09: 0000000000000001
<4> [274.982310] R10: 0000000000000001 R11: ffff888124903840 R12: 0000000000000000
<4> [274.982314] R13: ffff88812a0d3400 R14: ffff888157182000 R15: ffff888129ead000
<4> [274.982317] FS: 00007f899d44b140(0000) GS:ffff88849fe80000(0000) knlGS:0000000000000000
<4> [274.982322] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [274.982325] CR2: 00000000000004c8 CR3: 000000011ac0e006 CR4: 0000000000f70ef0
<4> [274.982329] PKRU: 55555554
<6> [274.982331] note: i915_pm_rps[1618] exited with irqs disabled