Backtrace

WARNING: CPU: 3 PID: 1975 at drivers/gpu/drm/ttm/ttm_bo.c:356 ttm_bo_release+0x2f9/0x310 [ttm]
Modules linked in: tls snd_seq_dummy snd_hrtimer tun xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nft_objref nf_conntrack_tftp bridge stp llc 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_tables ebtable_nat ebtable_broute 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 nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter ip_tables sunrpc binfmt_misc snd_hda_codec_analog snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec snd_hda_core at24 ppdev iwldvm gpio_ich mei_wdt mac80211 iTCO_wdt libarc4 intel_pmc_bxt iTCO_vendor_support snd_hwdep dell_wmi snd_seq snd_seq_device snd_pcm ledtrig_audio dell_smbios iwlwifi snd_timer sparse_keymap video dcdbas pcspkr wmi_bmof dell_wmi_descriptor coretemp snd
 cfg80211 soundcore mei_me rfkill mei parport_pc parport lpc_ich i2c_i801 i2c_smbus amdgpu iommu_v2 gpu_sched drm_buddy radeon drm_ttm_helper ttm serio_raw drm_display_helper e1000e ata_generic cec pata_acpi wmi fuse
CPU: 3 PID: 1975 Comm: Xorg Not tainted 6.0.5-200.fc36.x86_64 #1
Hardware name: Dell Inc. OptiPlex 960                 /0G261D, BIOS A02 12/29/2008
RIP: 0010:ttm_bo_release+0x2f9/0x310 [ttm]
Code: 00 e8 eb d9 5e cd 48 8b 43 e8 eb a7 be 03 00 00 00 e8 cb e6 36 cd e9 03 fe ff ff e8 11 b5 5e cd 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:ffffa67d41787c18 EFLAGS: 00010202
RAX: 0000000000000001 RBX: ffff8dc973bbb1c8 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8dc973bbb1c8
RBP: ffff8dc973bbb078 R08: 0000000000000000 R09: 0000000000400020
R10: ffff8dc95a3513b8 R11: 0000000000000000 R12: ffff8dca4c8886f0
R13: 0000000000000001 R14: ffff8dc9637aea40 R15: ffff8dc9537d8a00
FS:  00007f1f34e06fc0(0000) GS:ffff8dca63ec0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1f346ad7b4 CR3: 0000000040010000 CR4: 00000000000406e0
Call Trace:
 <TASK>
 radeon_bo_unref+0x1a/0x30 [radeon]
 radeon_gem_object_free+0x20/0x30 [radeon]
 drm_gem_object_release_handle+0x50/0x60
 ? drm_gem_object_handle_put_unlocked+0xf0/0xf0
 idr_for_each+0x60/0xc0
 drm_gem_release+0x1c/0x30
 drm_file_free.part.0+0x1e1/0x250
 drm_release+0x65/0x110
 __fput+0x91/0x250
 task_work_run+0x5c/0x90
 do_exit+0x31e/0xaf0
 ? __handle_mm_fault+0x645/0xe10
 do_group_exit+0x2d/0x90
 __x64_sys_exit_group+0x14/0x20
 do_syscall_64+0x5b/0x80
 ? handle_mm_fault+0xae/0x290
 ? do_user_addr_fault+0x1ef/0x690
 ? exc_page_fault+0x70/0x170
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f1f34cdd471
Code: Unable to access opcode bytes at RIP 0x7f1f34cdd447.
RSP: 002b:00007ffc7c640468 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f1f34df49e0 RCX: 00007f1f34cdd471
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 0000000000000000 R08: fffffffffffffc70 R09: 00007f1f34dffb20
R10: 00007f1f34c05fd0 R11: 0000000000000246 R12: 00007f1f34df49e0
R13: 0000000000000000 R14: 00007f1f34df9ee8 R15: 00007f1f34df9f00
 </TASK>