Backtrace

WARNING: CPU: 1 PID: 20999 at drivers/gpu/drm/ttm/ttm_bo.c:679 ttm_bo_unpin+0x63/0x70 [ttm]
Modules linked in: cdc_acm uinput snd_seq_dummy snd_hrtimer xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp 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 bridge nft_chain_nat stp llc 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 vboxnetadp(OE) vboxnetflt(OE) ip_set nfnetlink vboxdrv(OE) ebtable_filter ebtables ip6table_filter iptable_filter qrtr sunrpc binfmt_misc intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp snd_hda_codec_realtek coretemp kvm_intel snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_intel_dspcfg dell_wmi snd_intel_sdw_acpi kvm at24 dell_smbios dell_wmi_descriptor snd_hda_codec ledtrig_audio iTCO_wdt intel_pmc_bxt iTCO_vendor_support irqbypass sparse_keymap
 rfkill snd_hda_core rapl dcdbas snd_hwdep intel_cstate snd_seq intel_uncore i2c_i801 snd_seq_device snd_pcm i2c_smbus snd_timer joydev snd lpc_ich soundcore squashfs loop zram amdgpu drm_exec amdxcp drm_buddy gpu_sched radeon crct10dif_pclmul crc32_pclmul crc32c_intel polyval_clmulni polyval_generic ghash_clmulni_intel drm_ttm_helper sha512_ssse3 ttm i2c_algo_bit sha256_ssse3 drm_suballoc_helper drm_display_helper sha1_ssse3 e1000e serio_raw cec video wmi scsi_dh_rdac scsi_dh_emc scsi_dh_alua ip6_tables ip_tables dm_multipath fuse
CPU: 1 PID: 20999 Comm: kworker/u16:26 Tainted: G           OE      6.6.8-100.fc38.x86_64 #1
Hardware name: Dell Inc. OptiPlex 9010/0KV62T, BIOS A20 01/26/2015
Workqueue: events_unbound async_run_entry_fn
RIP: 0010:ttm_bo_unpin+0x63/0x70 [ttm]
Code: 00 00 83 ab a4 01 00 00 01 48 85 ff 74 08 48 89 de e8 c1 4b 00 00 48 8b bb 60 01 00 00 5b 48 81 c7 20 08 00 00 e9 3d 0a ae ea <0f> 0b 5b c3 cc cc cc cc 0f 0b eb a8 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffb20e43057d08 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff99ca89ab3478 RCX: ffffb20e407e0000
RDX: ffff99caa1808000 RSI: 0000000000000000 RDI: ffff99ca89ab3478
RBP: ffff99ca89ab3400 R08: 0000000000000002 R09: 000000000033c3cb
R10: 0000000000000001 R11: 0000000000000100 R12: ffff99ca8b0315e0
R13: 0000000000000000 R14: 0000000000000000 R15: ffff99ca814e32d0
FS:  0000000000000000(0000) GS:ffff99cb95c40000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000563db8c42136 CR3: 00000001d3222002 CR4: 00000000001706e0
Call Trace:
 <TASK>
 ? ttm_bo_unpin+0x63/0x70 [ttm]
 ? __warn+0x81/0x130
 ? ttm_bo_unpin+0x63/0x70 [ttm]
 ? report_bug+0x171/0x1a0
 ? handle_bug+0x3c/0x80
 ? exc_invalid_op+0x17/0x70
 ? asm_exc_invalid_op+0x1a/0x20
 ? ttm_bo_unpin+0x63/0x70 [ttm]
 ? ww_mutex_lock_interruptible+0x18/0x80
 radeon_bo_unpin+0x16/0x60 [radeon]
[drm] enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0
 radeon_gart_table_vram_unpin+0x49/0xc0 [radeon]
 evergreen_suspend+0x6d/0x90 [radeon]
 radeon_suspend_kms+0x256/0x380 [radeon]
 pci_pm_suspend+0x7f/0x170
 ? __pfx_pci_pm_suspend+0x10/0x10
 dpm_run_callback+0x8c/0x1e0
 __device_suspend+0x10a/0x560
 async_suspend+0x1e/0x70
 async_run_entry_fn+0x34/0x130
 process_one_work+0x174/0x340
 worker_thread+0x27b/0x3a0
 ? __pfx_worker_thread+0x10/0x10
 kthread+0xe8/0x120
 ? __pfx_kthread+0x10/0x10
 ret_from_fork+0x34/0x50
 ? __pfx_kthread+0x10/0x10
 ret_from_fork_asm+0x1b/0x30
 </TASK>