Backtrace

WARNING: CPU: 10 PID: 71050 at /tmp/akmodsbuild.i5AMvteL/BUILD/nvidia-kmod-465.27/_kmod_build_5.12.5-300.fc34.x86_64/nvidia-drm/nvidia-drm-drv.c:568 nv_drm_master_set+0x22/0x30 [nvidia_drm]
Modules linked in: snd_seq_dummy snd_hrtimer xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp bridge stp llc nft_objref nf_conntrack_netbios_ns nf_conntrack_broadcast nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_raw iptable_security ip_set nf_tables nfnetlink ip6table_filter ip6_tables iptable_filter sunrpc nvidia_drm(POE) nvidia_modeset(POE) nvidia_uvm(POE) snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi ledtrig_audio snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec nvidia(POE) intel_powerclamp snd_hda_core coretemp snd_hwdep snd_seq kvm_intel snd_seq_device iTCO_wdt kvm snd_pcm intel_pmc_bxt iTCO_vendor_support hp_wmi snd_timer irqbypass sparse_keymap snd gpio_ich rfkill intel_cstate wmi_bmof
 pcspkr drm_kms_helper soundcore intel_uncore cec i7core_edac lpc_ich acpi_cpufreq drm zram ip_tables raid0 crct10dif_pclmul crc32_pclmul crc32c_intel mptsas scsi_transport_sas firewire_ohci mptscsih ghash_clmulni_intel serio_raw mptbase tg3 firewire_core crc_itu_t wmi fuse
CPU: 10 PID: 71050 Comm: plymouthd Tainted: P          IOE     5.12.5-300.fc34.x86_64 #1
Hardware name: Hewlett-Packard HP Z800 Workstation/0AECh, BIOS 786G5 v03.61 03/05/2018
RIP: 0010:nv_drm_master_set+0x22/0x30 [nvidia_drm]
Code: c3 0f 1f 80 00 00 00 00 66 66 66 66 90 48 8b 47 38 48 8b 78 20 48 8b 05 5c 5d 00 00 48 8b 40 28 e8 13 02 83 da 84 c0 74 01 c3 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 66 66 66 90 80 3d dc
RSP: 0018:ffffb7115081bbe8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff979c76943a00 RCX: 0000000000000008
RDX: ffffffffc0a0de58 RSI: 0000000000000282 RDI: ffffffffc0a0de20
RBP: ffff9797ebbe1440 R08: 0000000000000008 R09: ffffb7115081bbd0
R10: 0000000000000000 R11: 0000000000000000 R12: ffff979543a96000
R13: 0000000000000000 R14: ffff979543a96000 R15: 0000000044575528
FS:  00007f79ee7d0800(0000) GS:ffff979c4fb80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f79e1292000 CR3: 00000001290bc005 CR4: 00000000000206e0
Call Trace:
 drm_new_set_master+0x7a/0x100 [drm]
 drm_master_open+0x68/0x90 [drm]
 drm_open+0xf8/0x250 [drm]
 drm_stub_open+0xab/0x130 [drm]
 chrdev_open+0xe3/0x220
 ? cdev_device_add+0x90/0x90
 do_dentry_open+0x14b/0x360
 path_openat+0xa59/0xfc0
 ? free_unref_page_commit+0x98/0x120
 ? free_unref_page+0x99/0xb0
 do_filp_open+0x8f/0x120
 ? __check_object_size+0x136/0x150
 do_sys_openat2+0x7a/0x130
 __x64_sys_openat+0x45/0x70
 do_syscall_64+0x33/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f79eeb4903b
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 54 24 28 64 48 2b 14 25
RSP: 002b:00007ffef02bf140 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f79ee7d0788 RCX: 00007f79eeb4903b
RDX: 0000000000000002 RSI: 000056305e754b50 RDI: 00000000ffffff9c
RBP: 000056305e754b50 R08: 000056305e753d10 R09: 00007f79eec1ba60
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007f79eec42d98 R14: 0000000000000000 R15: 00007f79eec42e20