Comment 5 for bug 1930903

Confirmed, I see many instances of the same. Trace below, can post anything else required.

[16772.065057] WARNING: CPU: 4 PID: 12381 at build/nvidia/470.57.02/build/nvidia-drm/nvidia-drm-drv.c:574 nv_drm_master_set+0x27/0x30 [nvidia_drm]
[16772.065067] Modules linked in: nvidia_uvm(PO) nls_iso8859_1 snd_hda_codec_realtek snd_hda_codec_generic intel_rapl_msr snd_sof_pci snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_intel_hda snd_sof_intel_byt snd_sof_intel_ipc mei_hdcp snd_sof snd_hda_codec_hdmi snd_sof_xtensa_dsp snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi ledtrig_audio intel_rapl_common snd_hda_intel x86_pkg_temp_thermal intel_powerclamp snd_intel_dspcfg nvidia_drm(PO) soundwire_intel soundwire_generic_allocation soundwire_cadence snd_hda_codec snd_hda_core soundwire_bus nvidia_modeset(PO) snd_usb_audio kvm_intel snd_soc_core snd_usbmidi_lib snd_compress snd_hwdep r8153_ecm snd_seq_midi ac97_bus snd_seq_midi_event kvm cdc_ether snd_pcm_dmaengine usbnet snd_rawmidi mc r8152 snd_seq intel_cstate efi_pstore eeepc_wmi wmi_bmof ee1004 mii snd_pcm nvidia(PO) input_leds snd_seq_device joydev snd_timer snd mei_me soundcore mei sch_fq_codel nct6775 hwmon_vid coretemp msr mac_hid acpi_pad acpi_tad parport_pc ppdev lp
[16772.065155] parport ip_tables x_tables autofs4 dm_crypt hid_generic usbhid hid uas usb_storage i915 asus_wmi sparse_keymap mfd_aaeon i2c_algo_bit crct10dif_pclmul drm_kms_helper crc32_pclmul ghash_clmulni_intel syscopyarea aesni_intel sysfillrect sysimgblt fb_sys_fops crypto_simd cec cryptd glue_helper rc_core e1000e i2c_i801 drm i2c_smbus nvme intel_lpss_pci ahci intel_lpss nvme_core idma64 xhci_pci libahci virt_dma xhci_pci_renesas wmi video pinctrl_tigerlake
[16772.065208] CPU: 4 PID: 12381 Comm: gpu-manager Tainted: P W O 5.11.0-31-generic #33-Ubuntu
[16772.065211] Hardware name: ASUS System Product Name/PRIME B560M-A, BIOS 0820 04/27/2021
[16772.065213] RIP: 0010:nv_drm_master_set+0x27/0x30 [nvidia_drm]
[16772.065220] Code: c0 f8 be 0f 1f 44 00 00 55 48 8b 47 48 48 8b 78 20 48 8b 05 bb 6c 00 00 48 89 e5 48 8b 40 28 e8 0f 30 35 bf 84 c0 74 02 5d c3 <0f> 0b 5d c3 0f 1f 44 00 00 0f 1f 44 00 00 55 48 89 e5 41 57 41 56
[16772.065224] RSP: 0018:ffffb649855cfb80 EFLAGS: 00010246
[16772.065227] RAX: 0000000000000000 RBX: ffff97e21cf48600 RCX: 0000000000000008
[16772.065229] RDX: ffffffffc31ffed8 RSI: 0000000000000292 RDI: ffffffffc31ffea0
[16772.065231] RBP: ffffb649855cfb80 R08: 0000000000000008 R09: ffffb649855cfb68
[16772.065233] R10: 0000000000000000 R11: ffff97e100459ff2 R12: ffff97e2a7f33cc0
[16772.065235] R13: ffff97e117089800 R14: 0000000000000000 R15: ffff97e117089800
[16772.065237] FS: 00007fe249a08c80(0000) GS:ffff97e44f500000(0000) knlGS:0000000000000000
[16772.065240] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16772.065243] CR2: 00007fe249de1340 CR3: 00000002195bc001 CR4: 0000000000770ee0
[16772.065245] PKRU: 55555554
[16772.065247] Call Trace:
[16772.065249] drm_new_set_master+0x7e/0x100 [drm]
[16772.065281] drm_master_open+0x6e/0xa0 [drm]
[16772.065311] drm_open+0xf8/0x250 [drm]
[16772.065343] drm_stub_open+0xba/0x140 [drm]
[16772.065380] chrdev_open+0xf7/0x220
[16772.065386] ? cdev_device_add+0x90/0x90
[16772.065391] do_dentry_open+0x156/0x370
[16772.065396] vfs_open+0x2d/0x30
[16772.065402] do_open+0x1c3/0x340
[16772.065407] path_openat+0x10a/0x1d0
[16772.065412] do_filp_open+0x8c/0x130
[16772.065418] ? __check_object_size+0x1c/0x20
[16772.065423] do_sys_openat2+0x9b/0x150
[16772.065429] __x64_sys_openat+0x56/0x90
[16772.065435] do_syscall_64+0x38/0x90
[16772.065438] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[16772.065443] RIP: 0033:0x7fe249ea28db
[16772.065446] Code: 25 00 00 41 00 3d 00 00 41 00 74 4b 64 8b 04 25 18 00 00 00 85 c0 75 67 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 91 00 00 00 48 8b 4c 24 28 64 48 2b 0c 25
[16772.065449] RSP: 002b:00007ffd5aa4e8d0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[16772.065453] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe249ea28db
[16772.065456] RDX: 0000000000000002 RSI: 00007ffd5aa4e9a0 RDI: 00000000ffffff9c
[16772.065458] RBP: 00007ffd5aa4e9a0 R08: 0000000000000000 R09: 00007ffd5aa4e7e0
[16772.065460] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[16772.065462] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[16772.065467] ---[ end trace 35075447560cdf42 ]---