Backtrace

WARNING: CPU: 11 PID: 2495 at drivers/gpu/drm/ttm/ttm_bo.c:255 ttm_bo_release+0x2ab/0x300 [ttm]
Modules linked in: uinput rfcomm snd_seq_dummy snd_hrtimer qrtr uhid bnep sunrpc b43 vfat fat cordic bcma mac80211 intel_powerclamp snd_hda_codec_alc882 snd_hda_codec_realtek_lib snd_hda_codec_generic cfg80211 coretemp snd_hda_codec_atihdmi snd_hda_codec_hdmi btusb snd_hda_intel kvm_intel btmtk btrtl btbcm btintel snd_hda_codec kvm bluetooth irqbypass rfkill snd_hda_core snd_intel_dspcfg libarc4 snd_intel_sdw_acpi joydev snd_hwdep at24 snd_seq snd_seq_device applesmc snd_pcm snd_timer apple_mfi_fastcharge ssb i2c_i801 intel_cstate iTCO_wdt intel_pmc_bxt iTCO_vendor_support snd lpc_ich e1000e intel_uncore mmc_core pcspkr acpi_cpufreq i2c_smbus ioatdma soundcore i5500_temp i7core_edac dca loop nfnetlink zram lz4hc_compress lz4_compress amdgpu amdxcp drm_panel_backlight_quirks gpu_sched drm_buddy radeon drm_ttm_helper ttm video wmi drm_exec i2c_algo_bit drm_suballoc_helper firewire_ohci drm_display_helper firewire_core ghash_clmulni_intel cec crc_itu_t i2c_dev fuse
CPU: 11 UID: 1000 PID: 2495 Comm: gnome-shell Not tainted 6.18.3-100.fc42.x86_64 #1 PREEMPT(lazy) 
Hardware name: Apple Inc. MacPro5,1/Mac-F221BEC8, BIOS     MP51.88Z.0089.B00.1806081708 06/08/18
RIP: 0010:ttm_bo_release+0x2ab/0x300 [ttm]
Code: 8b b4 24 50 08 00 00 41 8b bc 24 f0 00 00 00 48 83 c4 40 48 8d 53 30 5b 5d 41 5c 41 5d e9 0d 8c 57 d1 4c 89 e7 e9 4a fe ff ff <0f> 0b 48 83 7b 20 00 0f 84 84 fd ff ff 0f 0b e9 7d fd ff ff c7 43
RSP: 0018:ffffd23947467a80 EFLAGS: 00010206
RAX: 0000000000000001 RBX: ffff8ec40bc7e600 RCX: 0000000000000003
RDX: ffff8ec40bc7e600 RSI: 0000000000000000 RDI: ffff8ec40bc7e600
RBP: ffff8ec40bc7e468 R08: 0000000000000000 R09: ffffffff925ab425
R10: ffff8ec401d6ddc0 R11: ffff8ec40004f600 R12: ffff8ec40bc7e468
R13: 0000000000000011 R14: ffffd23947467bd8 R15: 0000000000000011
FS:  00007f6c14fb0680(0000) GS:ffff8ecad6da9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6c11ff3000 CR3: 00000001069f2003 CR4: 00000000000226f0
Call Trace:
 <TASK>
 ? lock_timer_base+0x7d/0xc0
 drm_gem_object_release_handle+0x73/0xd0
 ? __pfx_drm_gem_close_ioctl+0x10/0x10
 drm_gem_handle_delete+0x58/0xa0
 ? __pfx_drm_gem_close_ioctl+0x10/0x10
 drm_ioctl_kernel+0xae/0x100
 drm_ioctl+0x2a8/0x550
 ? __pfx_drm_gem_close_ioctl+0x10/0x10
 radeon_drm_ioctl+0x4f/0xa0 [radeon]
 __x64_sys_ioctl+0x97/0xe0
 do_syscall_64+0x7e/0x7f0
 ? __pfx_read_tsc+0x10/0x10
 ? ktime_get_mono_fast_ns+0x35/0xe0
 ? radeon_drm_ioctl+0x81/0xa0 [radeon]
 ? __x64_sys_ioctl+0xb1/0xe0
 ? do_syscall_64+0xb6/0x7f0
 ? count_memcg_events+0xd6/0x220
 ? handle_mm_fault+0x248/0x360
 ? do_user_addr_fault+0x181/0x690
 ? irqentry_exit_to_user_mode+0x2c/0x1c0
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f6c18b000ad
Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
RSP: 002b:00007ffdc8b17910 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 000055950179ff00 RCX: 00007f6c18b000ad
RDX: 00007ffdc8b179b8 RSI: 0000000040086409 RDI: 000000000000000f
RBP: 00007ffdc8b17960 R08: 00e35bb2bbd6422c R09: 0000000000000004
R10: 0000000000000005 R11: 0000000000000246 R12: 00007ffdc8b179b8
R13: 0000000040086409 R14: 000000000000000f R15: 00005595035f20c0
 </TASK>