Backtrace

WARNING: CPU: 2 PID: 169 at drivers/gpu/drm/nouveau/nvkm/subdev/bar/g84.c:35 g84_bar_flush+0xae/0xc0 [nouveau]
Modules linked in: uinput snd_seq_dummy snd_hrtimer 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 squashfs loop intel_rapl_msr snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi snd_hda_intel snd_intel_dspcfg soundwire_intel soundwire_generic_allocation snd_soc_core snd_compress intel_rapl_common snd_pcm_dmaengine soundwire_cadence snd_hda_codec joydev edac_mce_amd snd_usb_audio uvcvideo snd_hda_core snd_usbmidi_lib videobuf2_vmalloc ac97_bus videobuf2_memops snd_rawmidi snd_hwdep videobuf2_v4l2 snd_seq videobuf2_common snd_seq_device snd_pcm kvm videodev eeepc_wmi snd_timer
 asus_wmi sparse_keymap snd mc soundcore rfkill irqbypass sp5100_tco wmi_bmof pcspkr k10temp i2c_piix4 rapl gpio_amdpt gpio_generic acpi_cpufreq zram ip_tables nouveau video mxm_wmi i2c_algo_bit drm_ttm_helper ttm drm_kms_helper crct10dif_pclmul cec crc32_pclmul crc32c_intel drm ghash_clmulni_intel ccp r8169 nvme nvme_core wmi pinctrl_amd fuse
CPU: 2 PID: 169 Comm: kworker/2:1 Not tainted 5.11.12-300.fc34.x86_64 #1
Hardware name: System manufacturer System Product Name/TUF B450M-PRO GAMING, BIOS 2006 11/13/2019
Workqueue: events nouveau_cli_work [nouveau]
RIP: 0010:g84_bar_flush+0xae/0xc0 [nouveau]
Code: 8b 40 10 48 8b 78 10 4c 8b 6f 50 4d 85 ed 75 03 4c 8b 2f e8 e4 cc 2a f1 4c 89 ea 48 c7 c7 30 51 67 c0 48 89 c6 e8 f1 c8 64 f1 <0f> 0b eb b8 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00
RSP: 0018:ffffa7aa00523aa8 EFLAGS: 00010096
RAX: 000000000000001d RBX: ffff97204893d000 RCX: 0000000000000027
RDX: ffff972252898ac8 RSI: 0000000000000001 RDI: ffff972252898ac0
RBP: ffff972040d1dcc8 R08: 0000000000000000 R09: ffffa7aa005238d8
R10: ffffa7aa005238d0 R11: ffffffffb2b44f08 R12: 0000000000000292
R13: ffff9720419dd090 R14: ffff971f9fd70660 R15: ffff97204e0ae800
FS:  0000000000000000(0000) GS:ffff972252880000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002466002cf000 CR3: 0000000148146000 CR4: 0000000000350ee0
Call Trace:
 nv50_instobj_release+0x2f/0xc0 [nouveau]
 nvkm_vmm_iter.constprop.0+0x72f/0x7e0 [nouveau]
 ? update_sd_lb_stats.constprop.0+0x7ef/0x870
 nvkm_vmm_put_locked+0xfd/0x260 [nouveau]
 ? nvkm_vmm_ptes_sparse+0x1c0/0x1c0 [nouveau]
 ? gf100_vmm_invalidate_pdb+0x30/0x30 [nouveau]
 nvkm_uvmm_mthd+0x3d3/0x760 [nouveau]
 nvkm_ioctl+0xdc/0x180 [nouveau]
 nvif_object_mthd+0x104/0x130 [nouveau]
 ? remove_pagetable+0x8c/0x704
 ? update_load_avg+0x7a/0x5c0
 nvif_vmm_put+0x37/0x50 [nouveau]
 nouveau_vma_del+0x58/0xa0 [nouveau]
 nouveau_gem_object_delete_work+0x26/0x40 [nouveau]
 nouveau_cli_work+0xcc/0x120 [nouveau]
 process_one_work+0x1ec/0x380
 worker_thread+0x53/0x3e0
 ? process_one_work+0x380/0x380
 kthread+0x11b/0x140
 ? kthread_associate_blkcg+0xa0/0xa0
 ret_from_fork+0x22/0x30