`WARNING: CPU: 6 PID: 470 at drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_resource.c:3397 calculate_phy_pix_clks+0xef/0x100 [amdgpu]`
On a Gigabyte board with AMD Navi 33 (Radeon RX 7700S/7600/7600S/7600M XT/PRO W7600) [1002:7480], Ubuntu 24.04’s Linux kernel logs:
[ 0.000000] Linux version 6.11.0-19-generic (XXX@XXX) (x86_64-linux-gnu-gcc-13 (Ubuntu 13.3.0-6ubuntu2~24.04) 13.3.0, GNU ld (GNU Binutils for Ubuntu) 2.42) #19~24.04.1-Ubuntu SMP PREEMPT_DYNAMIC Mon Feb 17 11:51:52 UTC 2 (Ubuntu 6.11.0-19.19~24.04.1-generic 6.11.11)
[…]
[ 0.000000] DMI: Gigabyte Technology Co., Ltd. Z390 AORUS ULTRA/Z390 AORUS ULTRA-CF, BIOS F11 12/21/2023
[…]
[ 5.277684] ------------[ cut here ]------------
[ 5.277686] WARNING: CPU: 6 PID: 470 at drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_resource.c:3397 calculate_phy_pix_clks+0xef/0x100 [amdgpu]
[ 5.278096] Modules linked in: bnep input_leds joydev snd_sof_pci_intel_cnl snd_sof_intel_hda_generic soundwire_intel soundwire_cadence snd_sof_intel_hda_common snd_sof_intel_hda_mlink snd_sof_intel_hda btusb snd_sof_pci btrtl snd_sof_xtensa_dsp btintel intel_rapl_msr btbcm snd_sof intel_rapl_common btmtk snd_sof_utils intel_uncore_frequency snd_soc_hdac_hda intel_uncore_frequency_common bluetooth snd_soc_acpi_intel_match hid_generic soundwire_generic_allocation snd_soc_acpi soundwire_bus intel_tcc_cooling snd_soc_avs x86_pkg_temp_thermal snd_soc_hda_codec binfmt_misc usbhid intel_powerclamp snd_hda_ext_core nls_iso8859_1 hid amdgpu(+) snd_hda_codec_realtek snd_soc_core snd_hda_codec_generic snd_compress snd_hda_scodec_component ac97_bus coretemp snd_hda_codec_hdmi snd_pcm_dmaengine snd_hda_intel kvm_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec kvm snd_hda_core iwlmvm crct10dif_pclmul snd_hwdep polyval_clmulni amdxcp snd_pcm drm_exec polyval_generic snd_seq_midi mac80211 gpu_sched ghash_clmulni_intel
[ 5.278126] snd_seq_midi_event drm_buddy sha256_ssse3 snd_rawmidi drm_suballoc_helper libarc4 sha1_ssse3 drm_ttm_helper snd_seq aesni_intel ttm crypto_simd cmdlinepart drm_display_helper snd_seq_device iwlwifi cryptd ee1004 spi_nor cec snd_timer mei_pxp mei_hdcp rapl mtd rc_core i2c_i801 cfg80211 snd mei_me i2c_mux spi_intel_pci i2c_algo_bit intel_pmc_core intel_cstate gigabyte_wmi wmi_bmof mxm_wmi soundcore mei i2c_smbus spi_intel intel_wmi_thunderbolt intel_pch_thermal intel_vsec pmt_telemetry pmt_class acpi_pad mac_hid sch_fq_codel msr parport_pc ppdev lp parport efi_pstore nfnetlink dmi_sysfs ip_tables x_tables autofs4 uas usb_storage nvme nvme_core ahci xhci_pci video crc32_pclmul e1000e nvme_auth libahci xhci_pci_renesas wmi pinctrl_cannonlake
[ 5.278158] CPU: 6 UID: 0 PID: 470 Comm: (udev-worker) Not tainted 6.11.0-19-generic #19~24.04.1-Ubuntu
[ 5.278160] Hardware name: Gigabyte Technology Co., Ltd. Z390 AORUS ULTRA/Z390 AORUS ULTRA-CF, BIOS F11 12/21/2023
[ 5.278161] RIP: 0010:calculate_phy_pix_clks+0xef/0x100 [amdgpu]
[ 5.278454] Code: ab aa aa aa c1 e1 04 48 0f af ca 48 c1 e9 24 eb a3 8d 14 f6 8d 0c 95 00 00 00 00 ba ab aa aa aa 48 0f af ca 48 c1 e9 24 eb 8a <0f> 0b eb 86 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
[ 5.278455] RSP: 0018:ffffab034094b548 EFLAGS: 00010297
[ 5.278456] RAX: ffff88b5f1f20000 RBX: ffff88b5f1f20000 RCX: 00000000005aa320
[ 5.278457] RDX: 0000000000000005 RSI: 00000000002d5190 RDI: ffff88b5f1f20000
[ 5.278458] RBP: ffffab034094b548 R08: 0000000000000000 R09: 0000000000000000
[ 5.278459] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88b5f0800000
[ 5.278460] R13: ffff88b5e1ce3a00 R14: ffff88b5f1f20058 R15: ffff88b5c57fb000
[ 5.278461] FS: 00007f79ffe5c8c0(0000) GS:ffff88bd5d900000(0000) knlGS:0000000000000000
[ 5.278462] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5.278463] CR2: 0000594a6e686ef3 CR3: 0000000107cd2005 CR4: 00000000003706f0
[ 5.278464] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5.278464] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5.278465] Call Trace:
[ 5.278466] <TASK>
[ 5.278468] ? show_regs+0x6c/0x80
[ 5.278471] ? __warn+0x88/0x140
[ 5.278473] ? calculate_phy_pix_clks+0xef/0x100 [amdgpu]
[ 5.278762] ? report_bug+0x182/0x1b0
[ 5.278764] ? handle_bug+0x6e/0xb0
[ 5.278766] ? exc_invalid_op+0x18/0x80
[ 5.278768] ? asm_exc_invalid_op+0x1b/0x20
[ 5.278771] ? calculate_phy_pix_clks+0xef/0x100 [amdgpu]
[ 5.279070] dc_validate_stream+0x48/0xf0 [amdgpu]
[ 5.279356] create_validate_stream_for_sink+0xc9/0x1b0 [amdgpu]
[ 5.279649] amdgpu_dm_connector_mode_valid+0x63/0x200 [amdgpu]
[ 5.279941] ? drm_connector_list_update+0x189/0x200
[ 5.279944] drm_connector_mode_valid+0x48/0x90
[ 5.279946] __drm_helper_update_and_validate+0x14b/0x460
[ 5.279948] drm_helper_probe_single_connector_modes+0x2c5/0x750
[ 5.279951] drm_client_modeset_probe+0x221/0x600
[ 5.279953] __drm_fb_helper_initial_config_and_unlock+0x2c/0x160
[ 5.279955] drm_fb_helper_initial_config+0x3d/0x50
[ 5.279957] drm_fbdev_ttm_client_hotplug+0x7a/0xd0 [drm_ttm_helper]
[ 5.279959] drm_client_register+0x63/0xb0
[ 5.279960] drm_fbdev_ttm_setup+0x101/0x180 [drm_ttm_helper]
[ 5.279962] amdgpu_pci_probe+0x51f/0x630 [amdgpu]
[ 5.280158] local_pci_probe+0x44/0xb0
[ 5.280161] pci_call_probe+0x55/0x1a0
[ 5.280163] pci_device_probe+0x84/0x120
[ 5.280165] really_probe+0xee/0x3c0
[ 5.280168] __driver_probe_device+0x8c/0x180
[ 5.280170] driver_probe_device+0x24/0xd0
[ 5.280172] __driver_attach+0x10b/0x210
[ 5.280173] ? __pfx___driver_attach+0x10/0x10
[ 5.280175] bus_for_each_dev+0x8a/0xf0
[ 5.280177] driver_attach+0x1e/0x30
[ 5.280178] bus_add_driver+0x14e/0x290
[ 5.280180] driver_register+0x5e/0x130
[ 5.280182] ? __pfx_amdgpu_init+0x10/0x10 [amdgpu]
[ 5.280380] __pci_register_driver+0x5e/0x70
[ 5.280382] amdgpu_init+0x69/0xff0 [amdgpu]
[ 5.280585] do_one_initcall+0x5b/0x340
[ 5.280588] do_init_module+0x97/0x2a0
[ 5.280590] load_module+0x6b5/0x7d0
[ 5.280592] init_module_from_file+0x96/0x100
[ 5.280594] idempotent_init_module+0x11c/0x310
[ 5.280595] __x64_sys_finit_module+0x64/0xd0
[ 5.280597] x64_sys_call+0x2580/0x25f0
[ 5.280598] do_syscall_64+0x7e/0x170
[ 5.280601] ? switch_fpu_return+0x50/0xe0
[ 5.280603] ? syscall_exit_to_user_mode+0x18d/0x250
[ 5.280605] ? do_syscall_64+0x8a/0x170
[ 5.280607] ? restore_fpregs_from_fpstate+0x3d/0xd0
[ 5.280608] ? switch_fpu_return+0x50/0xe0
[ 5.280610] ? syscall_exit_to_user_mode+0x18d/0x250
[ 5.280611] ? clear_bhb_loop+0x15/0x70
[ 5.280613] ? clear_bhb_loop+0x15/0x70
[ 5.280613] ? clear_bhb_loop+0x15/0x70
[ 5.280614] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 5.280617] RIP: 0033:0x7f79ffd2725d
[ 5.280618] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 8b bb 0d 00 f7 d8 64 89 01 48
[ 5.280620] RSP: 002b:00007fff905c4348 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 5.280622] RAX: ffffffffffffffda RBX: 0000594a7f6b36c0 RCX: 00007f79ffd2725d
[ 5.280623] RDX: 0000000000000004 RSI: 00007f79ffee507d RDI: 0000000000000023
[ 5.280623] RBP: 00007fff905c4400 R08: 0000000000000040 R09: 00007fff905c4390
[ 5.280624] R10: 00007f79ffe03b20 R11: 0000000000000246 R12: 00007f79ffee507d
[ 5.280625] R13: 0000000000020000 R14: 0000594a7f6b0370 R15: 0000594a7f6b4850
[ 5.280627] </TASK>
[ 5.280627] ---[ end trace 0000000000000000 ]---
Logs are available in the Hardware for Linux.