Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000028
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
RIP: 0010:mutex_unlock+0x13/0x30
Code: 74 c1 48 8b 43 10 48 89 e7 48 8b 70 10 e8 55 9a 57 ff eb af 0f 1f 00 0f 1f 44 00 00 65 48 8b 14 25 c0 7b 01 00 31 c9 48 89 d0 <f0> 48 0f b1 0f 48 39 c2 74 05 e9 ee fe ff ff c3 66 66 2e 0f 1f 84
RSP: 0018:ffffa4e58964fda0 EFLAGS: 00010246
Oops: 0000 [#2] SMP NOPTI
CPU: 10 PID: 1362348 Comm: kworker/10:1 Tainted: G      D W         5.9.16-200.fc33.x86_64 #1
Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./B450M Steel Legend, BIOS P3.30 07/13/2020
Workqueue: events drm_sched_job_timedout [gpu_sched]
RAX: ffff8ceba3a426c0 RBX: ffff8ced41fb7800 RCX: 0000000000000000
RDX: ffff8ceba3a426c0 RSI: ffffffffb9404407 RDI: 0000000000000020
RBP: 0000000000000000 R08: 0004df1257c37a79 R09: 0000000000000045
R10: 000000000014c92a R11: ffffffffb94043e7 R12: ffff8cef3ca20000
R13: ffff8cef3ca20000 R14: ffffa4e58964fdd0 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8cef4e8c0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000020 CR3: 00000003dd2ee000 CR4: 00000000003506e0
RIP: 0010:kernel_queue_uninit+0x2d/0xf0 [amdgpu]
Code: 00 00 55 48 8b 47 10 48 89 fd 8b 50 28 83 fa 02 74 78 83 fa 03 0f 84 b1 00 00 00 48 8b 7f 08 4c 8b 50 10 48 8b 50 18 4c 89 d6 <48> 8b 47 28 e8 fa 89 78 f7 48 8b 75 28 48 8b 7d 00 e8 3d 4a ff ff
RSP: 0018:ffffa4e583507d58 EFLAGS: 00010293
RAX: ffff8cec8fff8550 RBX: ffff8cef3e296400 RCX: 0000000000800048
RDX: ffff8cec8fff8568 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff8cec8fff8540 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 000000000000c500 R12: ffff8cef3e2964d0
R13: ffff8cef3ca20000 R14: ffff8cef4b738000 R15: ffff8cef4b7380b0
FS:  0000000000000000(0000) GS:ffff8cef4ea80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000028 CR3: 000000006585c000 CR4: 00000000003506e0
Call Trace:
 stop_cpsch+0xa2/0xc0 [amdgpu]
 kgd2kfd_suspend.part.0+0x2f/0x40 [amdgpu]
 kgd2kfd_pre_reset+0x35/0x50 [amdgpu]
 amdgpu_device_gpu_recover.cold+0x1ef/0xf62 [amdgpu]
 ? amdgpu_device_ip_check_soft_reset+0x26/0xa0 [amdgpu]
 amdgpu_job_timedout+0x11c/0x140 [amdgpu]
 drm_sched_job_timedout+0x72/0xf0 [gpu_sched]
 process_one_work+0x1b4/0x370
 worker_thread+0x53/0x3e0
 ? process_one_work+0x370/0x370
 kthread+0x11b/0x140
 ? __kthread_bind_mask+0x60/0x60
 ret_from_fork+0x22/0x30
Modules linked in: uhid hidp snd_seq_dummy nls_utf8 isofs uas usb_storage 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 nf_tables ip6table_filter ip6_tables iptable_filter ip_tables uinput rfcomm bridge ccm 8021q ip_set garp mrp stp llc cmac nfnetlink bnep nct6775 hwmon_vid tun sunrpc vfat fat edac_mce_amd kvm_amd iwlmvm kvm snd_hda_codec_realtek mac80211 snd_hda_codec_generic ledtrig_audio irqbypass snd_hda_codec_hdmi snd_hda_intel snd_intel_dspcfg rapl snd_usb_audio libarc4 snd_hda_codec btusb iwlwifi snd_hda_core snd_usbmidi_lib btrtl btbcm snd_hwdep snd_seq snd_rawmidi btintel snd_seq_device bluetooth cfg80211 snd_pcm pcspkr mc joydev snd_timer snd wmi_bmof sp5100_tco k10temp
 i2c_piix4 ecdh_generic soundcore ecc rfkill gpio_amdpt gpio_generic acpi_cpufreq zram dm_crypt hid_jabra amdgpu iommu_v2 gpu_sched i2c_algo_bit r8169 ttm drm_kms_helper cec crct10dif_pclmul crc32_pclmul crc32c_intel drm ghash_clmulni_intel nvme ccp nvme_core wmi pinctrl_amd fuse i2c_dev [last unloaded: ip_tables]
CR2: 0000000000000028