https://bugzilla.kernel.org/show_bug.cgi?id=211717

Bug ID: 211717 Summary: WARNING: CPU: 5 PID: 430 at drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn21 /rn_clk_mgr.c:833 rn_clk_mgr_construct+0x2dd/0x440 [amdgpu] Product: Drivers Version: 2.5 Kernel Version: 5.11.0-rc7-00084-g291009f656e8 Hardware: x86-64 OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: Video(DRI - non Intel) Assignee: drivers_video-dri@kernel-bugs.osdl.org Reporter: gdamjan@gmail.com Regression: No

The CPU/GPU: AMD Ryzen 5 PRO 4650G Motherboard: MSI MS-7C94/MAG B550M MORTAR WIFI (MS-7C94), BIOS 1.20 08/03/2020

on boot I get this nasty message, although after that everything seems to work fine (running KDE/Plasma on Arch Linux).

[ 10.328515] [drm] reserve 0x400000 from 0xf41f800000 for PSP TMR [ 10.526216] amdgpu 0000:30:00.0: amdgpu: RAS: optional ras ta ucode is not available [ 10.546197] amdgpu 0000:30:00.0: amdgpu: RAP: optional rap ta ucode is not available [ 10.547009] amdgpu 0000:30:00.0: amdgpu: SMU is initialized successfully! [ 10.548329] [drm] kiq ring mec 2 pipe 1 q 0 [ 10.549171] ------------[ cut here ]------------ [ 10.549175] WARNING: CPU: 5 PID: 430 at drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn21/rn_clk_mgr.c:833 rn_clk_mgr_construct+0x2dd/0x440 [amdgpu] [ 10.549422] Modules linked in: ip6table_mangle ip6table_nat ip6table_filter ip6_tables iptable_mangle iptable_nat nf_nat nf_conntrack amdgpu(+) nf_defrag_ipv6 nf_defrag_ipv4 iptable_filter ccm algif_aead des_generic libdes ecb algif_skcipher cmac md4 algif_hash af_alg iwlmvm hid_logitech_hidpp snd_hda_codec_realtek btrfs mac80211 snd_hda_codec_generic raid1 snd_hda_codec_hdmi ledtrig_audio snd_hda_intel dm_raid snd_intel_dspcfg raid456 soundwire_intel soundwire_generic_allocation intel_rapl_msr soundwire_cadence gpu_sched intel_rapl_common snd_hda_codec i2c_algo_bit async_raid6_recov drm_ttm_helper async_memcpy ttm async_pq snd_hda_core async_xor blake2b_generic async_tx md_mod edac_mce_amd joydev libarc4 mousedev input_leds snd_hwdep hid_logitech_dj xor drm_kms_helper soundwire_bus kvm_amd iwlwifi dm_thin_pool snd_soc_core kvm cfg80211 dm_persistent_data hid_generic wmi_bmof r8169 cec snd_compress dm_bio_prison ac97_bus dm_bufio raid6_pq realtek snd_pcm_dmaengine mdio_devres libcrc32c [ 10.549474] snd_pcm bridge rc_core of_mdio snd_timer fixed_phy irqbypass syscopyarea libphy sp5100_tco snd rapl sysfillrect drm k10temp pcspkr i2c_piix4 rfkill sysimgblt usbhid soundcore fb_sys_fops wmi tpm_tis tpm_tis_core evdev acpi_cpufreq stp pinctrl_amd gpio_amdpt mac_hid llc fuse pkcs8_key_parser nct6683 msr crypto_user agpgart ip_tables x_tables ext4 crc32c_generic crc16 mbcache jbd2 dm_crypt cbc encrypted_keys trusted uas usb_storage dm_mod crct10dif_pclmul crc32_pclmul crc32c_intel xhci_pci ghash_clmulni_intel xhci_pci_renesas aesni_intel xhci_hcd ccp crypto_simd cryptd glue_helper tpm_crb tpm rng_core hid_lenovo hid vfat fat [ 10.549541] CPU: 5 PID: 430 Comm: systemd-udevd Not tainted 5.11.0-rc7-00084-g291009f656e8-dirty #120 [ 10.549543] Hardware name: Micro-Star International Co., Ltd. MS-7C94/MAG B550M MORTAR WIFI (MS-7C94), BIOS 1.20 08/03/2020 [ 10.549545] RIP: 0010:rn_clk_mgr_construct+0x2dd/0x440 [amdgpu] [ 10.549731] Code: ff ff b8 03 00 00 00 41 8b 8c c5 80 00 00 00 41 89 c1 89 c7 85 c9 74 0c 41 8b 94 c5 84 00 00 00 85 d2 75 75 48 83 e8 01 73 dd <0f> 0b e9 31 fe ff ff 48 c7 c6 e0 c1 77 c1 b9 14 00 00 00 48 89 c7 [ 10.549733] RSP: 0018:ffffacf40175f638 EFLAGS: 00010297 [ 10.549734] RAX: ffffffffffffffff RBX: ffffa2391cea43c0 RCX: 0000000000000640 [ 10.549735] RDX: 0000000000000000 RSI: ffffacf40175f660 RDI: 0000000000000000 [ 10.549736] RBP: ffffa238c5579000 R08: 0000000000000000 R09: 0000000000000000 [ 10.549737] R10: 7fc9117fffffffff R11: ffffa238d11a6000 R12: ffffa2391cea4e40 [ 10.549738] R13: ffffacf40175f660 R14: ffffa2391b390000 R15: 00000000fffffff0 [ 10.549740] FS: 00007f33d7799ec0(0000) GS:ffffa23faf340000(0000) knlGS:0000000000000000 [ 10.549741] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.549742] CR2: 0000561d9f864070 CR3: 0000000111c0a000 CR4: 0000000000350ee0 [ 10.549744] Call Trace: [ 10.549750] dc_clk_mgr_create+0x178/0x260 [amdgpu] [ 10.549893] dc_create+0x253/0x810 [amdgpu] [ 10.550035] ? amdgpu_cgs_create_device+0x23/0x50 [amdgpu] [ 10.550167] ? kmem_cache_alloc_trace+0x150/0x290 [ 10.550171] amdgpu_dm_init.isra.0+0x1c6/0x260 [amdgpu] [ 10.550313] ? wake_up_klogd.part.0+0x4f/0x70 [ 10.550316] ? vprintk_emit+0xcb/0x1b0 [ 10.550319] dm_hw_init+0xe/0x20 [amdgpu] [ 10.550458] amdgpu_device_init.cold+0x1741/0x1aad [amdgpu] [ 10.550602] amdgpu_driver_load_kms+0x64/0x270 [amdgpu] [ 10.550718] amdgpu_pci_probe+0x129/0x1b0 [amdgpu] [ 10.550829] local_pci_probe+0x42/0x80 [ 10.550832] ? pci_match_device+0xd7/0x100 [ 10.550833] pci_device_probe+0xfa/0x1b0 [ 10.550835] really_probe+0xf2/0x440 [ 10.550838] driver_probe_device+0xe1/0x150 [ 10.550840] device_driver_attach+0xa1/0xb0 [ 10.550842] __driver_attach+0x8a/0x150 [ 10.550843] ? device_driver_attach+0xb0/0xb0 [ 10.550845] ? device_driver_attach+0xb0/0xb0 [ 10.550847] bus_for_each_dev+0x89/0xd0 [ 10.550848] bus_add_driver+0x12b/0x1e0 [ 10.550850] driver_register+0x8b/0xe0 [ 10.550852] ? 0xffffffffc1a4c000 [ 10.550853] do_one_initcall+0x57/0x220 [ 10.550856] do_init_module+0x5c/0x260 [ 10.550859] load_module+0x22ea/0x24b0 [ 10.550863] __do_sys_init_module+0x136/0x1b0 [ 10.550866] do_syscall_64+0x33/0x40 [ 10.550868] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 10.550870] RIP: 0033:0x7f33d80afefe [ 10.550872] Code: 48 8b 0d 75 0f 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 49 89 ca b8 af 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 42 0f 0c 00 f7 d8 64 89 01 48 [ 10.550873] RSP: 002b:00007ffcb7420198 EFLAGS: 00000246 ORIG_RAX: 00000000000000af [ 10.550874] RAX: ffffffffffffffda RBX: 0000561d9f8820f0 RCX: 00007f33d80afefe [ 10.550875] RDX: 00007f33d81e19bd RSI: 000000000eaf0f61 RDI: 00007f33c62bc010 [ 10.550876] RBP: 00007f33c62bc010 R08: 0000561d9f873cf0 R09: 000000000eaf0f70 [ 10.550877] R10: 0000000561d9f873 R11: 0000000000000246 R12: 00007f33d81e19bd [ 10.550877] R13: 0000000000000001 R14: 0000561d9f70cd80 R15: 0000561d9f8820f0 [ 10.550879] ---[ end trace a3bb9bb6e525f957 ]--- [ 10.550963] [drm] Display Core initialized with v3.2.116! [ 10.563795] [drm] DMUB hardware initialized: version=0x01000000