Backtrace

WARNING: CPU: 0 PID: 6952 at drivers/gpu/drm/ttm/ttm_bo.c:409 ttm_bo_release+0x2d2/0x300 [ttm]
Modules linked in: isofs uas usb_storage mmc_block uinput snd_seq_dummy snd_hrtimer nf_conntrack_netlink xt_addrtype br_netfilter xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp 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 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 bridge stp llc ip_set overlay nf_tables nfnetlink ip6table_filter ip6_tables iptable_filter vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) sunrpc vfat fat amd_freq_sensitivity edac_mce_amd uvcvideo videobuf2_vmalloc videobuf2_memops kvm_amd rtl8188ee rtl_pci rtlwifi ccp mac80211 videobuf2_v4l2 videobuf2_common kvm videodev snd_ctl_led snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi snd_hda_intel mc
 snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec snd_hda_core irqbypass cfg80211 snd_hwdep snd_seq fam15h_power libarc4 i2c_piix4 k10temp pcspkr hp_wmi snd_seq_device platform_profile sparse_keymap snd_pcm rfkill joydev snd_timer wmi_bmof snd soundcore wireless_hotkey acpi_cpufreq binfmt_misc zram ip_tables amdgpu iommu_v2 gpu_sched radeon i2c_algo_bit drm_ttm_helper ttm drm_kms_helper rtsx_pci_sdmmc sdhci_pci cqhci cec sdhci drm crct10dif_pclmul crc32_pclmul crc32c_intel mmc_core ghash_clmulni_intel serio_raw r8169 rtsx_pci sp5100_tco wmi video fuse
CPU: 0 PID: 6952 Comm: gnome-shell Tainted: G           OE     5.14.9-200.fc34.x86_64 #1
Hardware name: Hewlett-Packard HP 15 Notebook PC/21F7, BIOS F.42 11/04/2015
RIP: 0010:ttm_bo_release+0x2d2/0x300 [ttm]
Code: 8d b6 b8 fe ff ff e8 dd ba ed ff 49 8b 76 08 48 89 ef e8 91 21 00 00 49 8b 7e 98 e9 6f fd ff ff e8 93 32 24 f6 e9 a4 fd ff ff <0f> 0b e9 4f fd ff ff e8 c2 30 24 f6 e9 f6 fe ff ff be 03 00 00 00
RSP: 0018:ffffc13c02d07d00 EFLAGS: 00010206
RAX: 0000000000000001 RBX: ffffc13c02d07d48 RCX: 0000000000000000
RDX: 0000000000000003 RSI: 0000000000000000 RDI: ffffa0f106a095d8
RBP: ffffa0f100dac6f0 R08: ffffa0f106a095d8 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffa0f1864e8000
R13: ffffa0f106a09478 R14: ffffa0f106a095d8 R15: 000000000000018d
FS:  00007fcb1162dd80(0000) GS:ffffa0f217400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005620e745cb40 CR3: 00000001864e6000 CR4: 00000000000406f0
Call Trace:
 radeon_bo_unref+0x1a/0x30 [radeon]
 radeon_gem_object_free+0x20/0x30 [radeon]
 drm_gem_object_release_handle+0x6b/0x80 [drm]
 drm_gem_handle_delete+0x58/0x90 [drm]
 ? drm_gem_handle_create+0x40/0x40 [drm]
 drm_ioctl_kernel+0x86/0xd0 [drm]
 drm_ioctl+0x220/0x3e0 [drm]
 ? drm_gem_handle_create+0x40/0x40 [drm]
 ? selinux_file_ioctl+0x137/0x1e0
 ? ieee80211_tx_status_ext+0x279/0xb50 [mac80211]
 radeon_drm_ioctl+0x49/0x80 [radeon]
 __x64_sys_ioctl+0x82/0xb0
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fcb1589b0ab
Code: ff ff ff 85 c0 79 9b 49 c7 c4 ff ff ff ff 5b 5d 4c 89 e0 41 5c c3 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 9d bd 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007ffe041b0418 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffe041b0468 RCX: 00007fcb1589b0ab
RDX: 00007ffe041b0468 RSI: 0000000040086409 RDI: 000000000000000f
RBP: 0000000040086409 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000050 R11: 0000000000000246 R12: 000055add02f7720
R13: 000000000000000f R14: 0000000000be1000 R15: 000055adce035c40