Backtrace

WARNING: CPU: 10 PID: 6136 at drivers/gpu/drm/nouveau/nvkm/subdev/bar/g84.c:35 g84_bar_flush+0xae/0xc0 [nouveau]
Modules linked in: nft_objref nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat iptable_mangle iptable_raw iptable_security ip6table_filter ip6_tables iptable_filter ip_tables uinput snd_seq_dummy snd_hrtimer nf_conntrack_netbios_ns nf_conntrack_broadcast nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 rfkill ip_set nf_tables nfnetlink sunrpc vfat fat 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 intel_rapl_msr intel_rapl_common snd_soc_core snd_compress ucsi_ccg snd_pcm_dmaengine soundwire_cadence edac_mce_amd uvcvideo typec_ucsi snd_usb_audio videobuf2_vmalloc typec snd_hda_codec kvm_amd videobuf2_memops snd_usbmidi_lib snd_hda_core videobuf2_v4l2 snd_rawmidi ac97_bus kvm snd_hwdep snd_seq snd_seq_device snd_pcm
 videobuf2_common snd_timer irqbypass sp5100_tco rapl snd wmi_bmof pcspkr joydev i2c_piix4 k10temp videodev soundcore i2c_nvidia_gpu mc gpio_amdpt gpio_generic acpi_cpufreq zram nouveau video mxm_wmi i2c_algo_bit drm_ttm_helper ttm drm_kms_helper cec crct10dif_pclmul crc32_pclmul crc32c_intel drm ghash_clmulni_intel nvme ccp nvme_core r8169 wmi pinctrl_amd fuse [last unloaded: ip_tables]
CPU: 10 PID: 6136 Comm: kworker/10:0 Tainted: G        W         5.11.12-300.fc34.x86_64 #1
Hardware name: Gigabyte Technology Co., Ltd. B550M AORUS ELITE/B550M AORUS ELITE, BIOS F10 09/18/2020
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 2c 10 f4 4c 89 ea 48 c7 c7 30 f1 81 c0 48 89 c6 e8 f1 28 4a f4 <0f> 0b eb b8 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00
RSP: 0018:ffffb3044215baa8 EFLAGS: 00010096
RAX: 000000000000001d RBX: ffff9d36cbacf800 RCX: 0000000000000027
RDX: ffff9d3ddec98ac8 RSI: 0000000000000001 RDI: ffff9d3ddec98ac0
RBP: ffff9d36ccda3a48 R08: 0000000000000000 R09: ffffb3044215b8d8
R10: ffffb3044215b8d0 R11: ffffffffb5b44f08 R12: 0000000000000292
R13: ffff9d36c1a289b0 R14: ffff9d3710013c60 R15: ffff9d371146cc00
FS:  0000000000000000(0000) GS:ffff9d3ddec80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fce5562e9c0 CR3: 0000000151f14000 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