Backtrace

WARNING: CPU: 0 PID: 1540 at drivers/gpu/drm/ttm/ttm_bo.c:356 ttm_bo_release+0x2f9/0x310 [ttm]
Modules linked in: tls uinput 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 nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables nfnetlink qrtr sunrpc ath9k ath9k_common ath9k_hw coretemp kvm_intel mac80211 ppdev gpio_ich iTCO_wdt intel_pmc_bxt iTCO_vendor_support libarc4 ath snd_seq_dummy snd_seq_oss pktcdvd snd_emu10k1_synth snd_hda_codec_hdmi kvm snd_emux_synth snd_seq_midi_emul snd_seq_virmidi snd_seq_midi snd_seq_midi_event snd_hda_intel cfg80211 snd_intel_dspcfg irqbypass snd_intel_sdw_acpi snd_emu10k1 snd_hda_codec snd_util_mem snd_ac97_codec snd_hda_core parport_pc snd_hwdep parport snd_seq snd_rawmidi joydev emu10k1_gp ac97_bus rfkill snd_seq_device gameport snd_pcm lpc_ich snd_timer snd soundcore i2c_i801 pcspkr i2c_smbus zram amdgpu iommu_v2 gpu_sched drm_buddy radeon drm_ttm_helper ttm ata_generic
 drm_display_helper pata_acpi serio_raw r8169 cec ip6_tables ip_tables fuse
CPU: 0 PID: 1540 Comm: kwin_wayland Not tainted 6.0.5-200.fc36.x86_64 #1
Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./G41C-GS R2.0, BIOS P1.10 10/20/2015
RIP: 0010:ttm_bo_release+0x2f9/0x310 [ttm]
Code: 00 e8 eb a9 51 da 48 8b 43 e8 eb a7 be 03 00 00 00 e8 cb b6 29 da e9 03 fe ff ff e8 11 85 51 da e9 f9 fd ff ff 4c 89 e0 eb 89 <0f> 0b 48 83 7b 20 00 0f 84 2f fd ff ff 0f 0b e9 28 fd ff ff 0f 0b
RSP: 0018:ffffb816437d7bb0 EFLAGS: 00010202
RAX: 0000000000000001 RBX: ffff92177f83d9c8 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffff92174aa2fd9a RDI: ffff92177f83d9c8
RBP: ffff92177f83d878 R08: ffff92174aa2ffb8 R09: ffff9217496af1e8
R10: 0000000000000000 R11: ffff92174aa2fd98 R12: ffff92174bd406f0
R13: ffff9217bccd4300 R14: ffff92177ddce600 R15: 0000000000000004
FS:  00007f1be4c8d980(0000) GS:ffff92185ba00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000557e4cc87310 CR3: 0000000105056000 CR4: 00000000000406f0
Call Trace:
 <TASK>
 radeon_bo_unref+0x1a/0x30 [radeon]
 radeon_gem_object_free+0x20/0x30 [radeon]
 drm_gem_fb_destroy+0x65/0x80
 drm_mode_rmfb+0x1ab/0x1d0
 ? drm_mode_rmfb+0x1d0/0x1d0
 drm_ioctl_kernel+0xa9/0x150
 drm_ioctl+0x22d/0x410
 ? drm_mode_rmfb+0x1d0/0x1d0
 radeon_drm_ioctl+0x49/0x80 [radeon]
 __x64_sys_ioctl+0x90/0xd0
 do_syscall_64+0x5b/0x80
 ? syscall_exit_to_user_mode+0x17/0x40
 ? do_syscall_64+0x67/0x80
 ? __x64_sys_poll+0x93/0x120
 ? syscall_exit_to_user_mode+0x17/0x40
 ? do_syscall_64+0x67/0x80
 ? exc_page_fault+0x70/0x170
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f1be950748f
Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 18 48 8b 44 24 18 64 48 2b 04 25 28 00 00
RSP: 002b:00007ffc1ece8550 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000557e4dc923c0 RCX: 00007f1be950748f
RDX: 00007ffc1ece85ec RSI: 00000000c00464af RDI: 0000000000000015
RBP: 00007ffc1ece85ec R08: 0000557e4cba9ac0 R09: 00007f1bebf17220
R10: 0000557e4cb9a440 R11: 0000000000000246 R12: 00000000c00464af
R13: 0000000000000015 R14: 0000557e4cbc8440 R15: 0000000000000020
 </TASK>