igt@core_hotunplug@unbind-rebind|igt@i915_module_load@reload - incomplete - RIP: 0010:smu7_powergate_uvd
<7> [147.271001] [IGT] core_hotunplug: unbinding the driver from the device
<6> [147.284905] amdgpu 0000:01:00.0: amdgpu: amdgpu: finishing device.
<7> [147.285695] [drm:dm_update_crtc_state [amdgpu]] Disabling DRM crtc: 53
<7> [147.286039] [drm:dm_plane_helper_prepare_fb [amdgpu]] No FB bound
<7> [147.286838] [drm:vblank_control_worker [amdgpu]] Allow idle optimizations (MALL): 1
<7> [147.287403] [drm:amdgpu_dm_psr_disable_all [amdgpu]] Disabling psr if psr is enabled on any stream
<7> [147.287571] [drm:dc_commit_state [amdgpu]] dc_commit_state: 0 streams
<7> [147.321234] [drm:amdgpu_dm_audio_eld_notify.isra.61 [amdgpu]] Notify ELD: -1
<7> [147.336214] amdgpu 0000:01:00.0: [drm:drm_client_release] drm_fb_helper
<1> [147.346209] BUG: kernel NULL pointer dereference, address: 0000000000000db9
<1> [147.346215] #PF: supervisor write access in kernel mode
<1> [147.346218] #PF: error_code(0x0002) - not-present page
<6> [147.346221] PGD 0 P4D 0
<4> [147.346224] Oops: 0002 [#1] PREEMPT SMP PTI
<4> [147.346227] CPU: 0 PID: 5708 Comm: core_hotunplug Not tainted 5.15.0-rc7-CI-CI_DRM_10809+ #1
<4> [147.346231] Hardware name: Intel Corporation NUC8i7HVK/NUC8i7HVB, BIOS HNKBLi70.86A.0047.2018.0718.1706 07/18/2018
<4> [147.346236] RIP: 0010:smu7_powergate_uvd+0xb/0x90 [amdgpu]
<4> [147.346360] Code: 0d 00 00 e8 47 ff ff ff 48 89 df e8 7f ff ff ff 31 c0 5b c3 90 66 2e 0f 1f 84 00 00 00 00 00 53 48 8b 87 a0 02 00 00 48 89 fb <40> 88 b0 b9 0d 00 00 40 84 f6 74 36 48 8b 3f 31 d2 be 08 00 00 00
<4> [147.346367] RSP: 0018:ffffc90001677cc8 EFLAGS: 00010246
<4> [147.346371] RAX: 0000000000000000 RBX: ffff888129b26800 RCX: 0000000000000001
<4> [147.346375] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff888129b26800
<4> [147.346378] RBP: ffff888129b26818 R08: ffffffffa0e79887 R09: 00000000fffffffe
<4> [147.346382] R10: ffffc90001677cd8 R11: 0000000062bbc0dd R12: 0000000000000001
<4> [147.346385] R13: ffffffffa10acf40 R14: ffff888138b09f08 R15: ffff88810a1bee20
<4> [147.346389] FS: 00007fe586bc94c0(0000) GS:ffff888276600000(0000) knlGS:0000000000000000
<4> [147.346393] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [147.346396] CR2: 0000000000000db9 CR3: 000000015c54a002 CR4: 00000000003706f0
<4> [147.346400] Call Trace:
<4> [147.346402] pp_set_powergating_by_smu+0xb1/0x270 [amdgpu]
<4> [147.346507] amdgpu_dpm_set_powergating_by_smu+0x78/0xe0 [amdgpu]
<4> [147.346611] amdgpu_dpm_enable_uvd+0x2c/0xf0 [amdgpu]
<4> [147.346715] uvd_v6_0_hw_fini+0x6f/0x80 [amdgpu]
<4> [147.346811] amdgpu_device_fini_hw+0x228/0x32f [amdgpu]
<4> [147.346922] amdgpu_pci_remove+0x1c/0x30 [amdgpu]
<4> [147.346984] pci_device_remove+0x36/0xb0
<4> [147.346989] device_release_driver_internal+0xf2/0x1e0
<4> [147.346993] unbind_store+0xeb/0x120
<4> [147.346996] kernfs_fop_write_iter+0x11d/0x1c0
<4> [147.347001] new_sync_write+0x120/0x1b0
<4> [147.347005] vfs_write+0x253/0x3c0
<4> [147.347008] ksys_write+0x5a/0xd0
<4> [147.347012] do_syscall_64+0x3a/0xb0
<4> [147.347015] entry_SYSCALL_64_after_hwframe+0x44/0xae
<4> [147.347018] RIP: 0033:0x7fe589a60297
<4> [147.347021] Code: 75 05 48 83 c4 58 c3 e8 57 34 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> [147.347029] RSP: 002b:00007fff1d39ff18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
<4> [147.347033] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe589a60297
<4> [147.347037] RDX: 000000000000000c RSI: 00005556e3219a29 RDI: 0000000000000005
<4> [147.347040] RBP: 000000000000000c R08: 0000000000000000 R09: 0000000000000000
<4> [147.347043] R10: 0000000000000000 R11: 0000000000000246 R12: 00005556e3219a29
<4> [147.347047] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000
<4> [147.347051] Modules linked in: vgem drm_shmem_helper fuse snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio mei_hdcp amdgpu i915 x86_pkg_temp_thermal btusb btrtl coretemp btbcm crct10dif_pclmul btintel crc32_pclmul bluetooth ghash_clmulni_intel snd_hda_codec_hdmi ecdh_generic ecc snd_hda_intel snd_intel_dspcfg i2c_i801 e1000e i2c_smbus snd_hda_codec snd_hwdep snd_hda_core igb snd_pcm ptp drm_ttm_helper pps_core gpu_sched mei_me ttm mei prime_numbers intel_lpss_pci pinctrl_sunrisepoint
<4> [147.347085] CR2: 0000000000000db9
<4> [147.347088] ---[ end trace 2d396090919bd61b ]---FYI @tejasree
Edited by LAKSHMINARAYANA VUDUM