https://bugzilla.kernel.org/show_bug.cgi?id=215648
--- Comment #2 from Philipp Riederer (pr_kernel@tum.fail) --- Hey,
this is the log I could recover:
<4>[ 70.829010] RSP: 0018:ffffad060ad67838 EFLAGS: 00000202 <4>[ 70.829013] RAX: 0000000000000000 RBX: ffff92c82ff28000 RCX: 00000000000001f5 <4>[ 70.829014] RDX: ffffffffc2fc3970 RSI: ffffffffc3047f09 RDI: 0000000000000000 <4>[ 70.829014] RBP: 0000000000000012 R08: 0000000000000000 R09: ffffad060ad67610 <4>[ 70.829015] R10: ffffad060ad67608 R11: ffffffff9b743bc8 R12: ffff92c827b30c00 <4>[ 70.829016] R13: ffff92c7e0b35000 R14: ffff92c82c8c0000 R15: ffff92c82c8c0b58 <4>[ 70.829017] FS: 0000000000000000(0000) GS:ffff92cabf900000(0000) knlGS:0000000000000000 <4>[ 70.829018] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 70.829018] CR2: 00007f2afe48ef20 CR3: 000000014a5b4000 CR4: 0000000000350ee0 <0>[ 70.829020] Kernel panic - not syncing: Fatal exception in interrupt <0>[ 70.829047] Kernel Offset: 0x19000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) <4>[ 70.741431] ---[ end trace d042cf4ec67f5116 ]--- <4>[ 70.829001] RIP: 0010:kgdb_breakpoint+0x10/0x20 <4>[ 70.829009] Code: c0 c3 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 31 c0 c3 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 f0 ff 05 fc f9 f3 01 0f ae f8 cc <0f> ae f8 f0 ff 0d ee f9 f3 01 c3 0f 1f 44 00 00 0f 1f 44 00 00 48 <4>[ 70.702654] videodev snd_hda_core ecdh_generic drm_kms_helper ecc snd_hwdep cdc_acm joydev mc thinkpad_acpi sp5100_tco snd_rn_pci_acp3x serio_raw efi_pstore k10temp cfg80211 snd_pcm i2c_piix4 nvram cec rtsx_pci snd_pci_acp3x ccp snd_timer rc_core ipmi_devintf ledtrig_audio ucsi_acpi platform_profile mfd_core ipmi_msghandler typec_ucsi snd roles mac_hid typec soundcore rfkill wmi video i2c_designware_platform i2c_scmi pinctrl_amd amd_pmc i2c_designware_core acpi_cpufreq vboxnetadp(OE) vboxnetflt(OE) nfsd auth_rpcgss vboxdrv(OE) drm nfs_acl lockd grace backlight fuse i2c_core configfs sunrpc bpf_preload efivarfs zfs(POE) zunicode(POE) zzstd(OE) zlua(OE) zavl(POE) icp(POE) crc32_pclmul crc32c_intel zcommon(POE) znvpair(POE) spl(OE) xhci_pci xhci_pci_renesas aesni_intel r8169 crypto_simd realtek cryptd xhci_hcd mdio_devres ehci_pci libphy ehci_hcd <4>[ 70.702619] ? set_kthread_struct+0x40/0x40 <4>[ 70.702620] ret_from_fork+0x22/0x30 <4>[ 70.702623] </TASK> <4>[ 70.702623] Modules linked in: ccm xt_mark xt_comment tun xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_reject_ipv4 ip6table_mangle ip6table_nat ip6table_filter ip6_tables iptable_mangle iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c iptable_filter ip_tables bridge stp llc cmac algif_skcipher bnep intel_rapl_msr intel_rapl_common snd_acp3x_rn snd_soc_dmic snd_acp3x_pdm_dma snd_soc_core snd_compress rtsx_pci_sdmmc edac_mce_amd snd_pcm_dmaengine mmc_core ac97_bus wmi_bmof kvm_amd snd_ctl_led iwlmvm snd_hda_codec_realtek amdgpu mac80211 snd_hda_codec_generic kvm snd_hda_codec_hdmi uvcvideo btusb libarc4 btrtl irqbypass btbcm drm_ttm_helper cdc_ether snd_hda_intel btintel videobuf2_vmalloc crct10dif_pclmul videobuf2_memops ttm snd_intel_dspcfg snd_usb_audio usbnet snd_intel_sdw_acpi ghash_clmulni_intel videobuf2_v4l2 iommu_v2 snd_usbmidi_lib gpu_sched bluetooth iwlwifi snd_hda_codec r8152 videobuf2_common snd_rawmidi rapl i2c_algo_bit mii snd_seq_device <4>[ 70.702134] ? dc_validate_global_state+0x321/0x3c0 [amdgpu] <4>[ 70.702259] ? dm_plane_helper_prepare_fb+0x231/0x2b0 [amdgpu] <4>[ 70.702382] ? __cond_resched+0x16/0x40 <4>[ 70.702385] ? __wait_for_common+0x3b/0x160 <4>[ 70.702386] ? __raw_callee_save___native_queued_spin_unlock+0x11/0x1e <4>[ 70.702390] commit_tail+0x94/0x120 [drm_kms_helper] <4>[ 70.702401] drm_atomic_helper_commit+0x113/0x140 [drm_kms_helper] <4>[ 70.702412] drm_client_modeset_commit_atomic+0x1e4/0x220 [drm] <4>[ 70.702430] drm_client_modeset_commit_locked+0x56/0x150 [drm] <4>[ 70.702444] drm_client_modeset_commit+0x24/0x40 [drm] <4>[ 70.702458] drm_fb_helper_set_par+0xa5/0xd0 [drm_kms_helper] <4>[ 70.702468] drm_fb_helper_hotplug_event.part.0+0xa8/0xc0 [drm_kms_helper] <4>[ 70.702476] drm_kms_helper_hotplug_event+0x26/0x30 [drm_kms_helper] <4>[ 70.702486] handle_hpd_irq+0x12b/0x160 [amdgpu] <4>[ 70.702611] process_one_work+0x1f1/0x390 <4>[ 70.702614] worker_thread+0x53/0x3e0 <4>[ 70.702615] ? process_one_work+0x390/0x390 <4>[ 70.702617] kthread+0x127/0x150 <4>[ 70.701096] RBP: 0000000000000012 R08: 0000000000000000 R09: ffffad060ad67610 <4>[ 70.701096] R10: ffffad060ad67608 R11: ffffffff9b743bc8 R12: ffff92c827b30c00 <4>[ 70.701097] R13: ffff92c7e0b35000 R14: ffff92c82c8c0000 R15: ffff92c82c8c0b58 <4>[ 70.701098] FS: 0000000000000000(0000) GS:ffff92cabf900000(0000) knlGS:0000000000000000 <4>[ 70.701099] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 70.701099] CR2: 00007f2afe48ef20 CR3: 000000003f610000 CR4: 0000000000350ee0 <4>[ 70.701100] Call Trace: <4>[ 70.701102] <TASK> <4>[ 70.701103] mpc2_assert_idle_mpcc+0xaf/0xf0 [amdgpu] <4>[ 70.701242] dcn20_program_front_end_for_ctx+0x70f/0xd40 [amdgpu] <4>[ 70.701373] dc_commit_state+0x49c/0xa60 [amdgpu] <4>[ 70.701507] amdgpu_dm_atomic_commit_tail+0x55c/0x2630 [amdgpu] <4>[ 70.701635] ? dcn21_validate_bandwidth_fp+0x109/0x700 [amdgpu] <4>[ 70.701760] ? kfree+0xba/0x400 <4>[ 70.701764] ? dcn21_validate_bandwidth_fp+0xc1/0x700 [amdgpu] <4>[ 70.701886] ? dc_fpu_end+0x70/0x80 [amdgpu] <4>[ 70.702010] ? dcn21_validate_bandwidth+0x44/0x50 [amdgpu]
The system is locked down hard after this.