I am seeing this warning on boot on my Intel mini PC. Running Debian testing and it has kernel 6.9.10-amd64. This looks like something that recently changed and is 100% reproducible. Since only warning, things seem to be ok after that. [ 1.858857] i915 0000:00:02.0: [drm] VT-d active for gfx access [ 1.858917] Console: switching to colour dummy device 80x25 [ 1.858932] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.858968] i915 0000:00:02.0: [drm] Using Transparent Hugepages [ 1.860007] i915 0000:00:02.0: vgaarb: VGA decodes changed: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.861315] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/tgl_dmc_ver2_12.bin (v2.12) [ 1.880262] ------------[ cut here ]------------ [ 1.880263] i915 0000:00:02.0: drm_WARN_ON(aux_powered) [ 1.880275] WARNING: CPU: 2 PID: 220 at drivers/gpu/drm/i915/display/intel_tc.c:1424 intel_tc_port_update_mode+0x2ac/0x340 [i915] [ 1.880383] Modules linked in: i915(+) crc32_pclmul drm_buddy crc32c_intel i2c_algo_bit drm_display_helper nvme cec rc_core ttm ghash_clmulni_intel nvme_core xhci_pci sha512_ssse3 drm_kms_helper t10_pi sha512_generic xhci_hcd sha256_ssse3 video drm sha1_ssse3 thunderbolt(+) crc64_rocksoft_generic usbcore e1000e(+) igc crc64_rocksoft crc_t10dif i2c_i801 crct10dif_generic crct10dif_pclmul crc64 i2c_smbus crct10dif_common usb_common vmd fan wmi button aesni_intel crypto_simd cryptd [ 1.880401] CPU: 2 PID: 220 Comm: (udev-worker) Not tainted 6.9.10-amd64 #1 Debian 6.9.10-1 [ 1.880403] Hardware name: GIGABYTE GB-BSi7-1165G7/GB-BSi7-1165G7, BIOS F9 10/16/2021 [ 1.880404] RIP: 0010:intel_tc_port_update_mode+0x2ac/0x340 [i915] [ 1.880506] Code: 4c 8b 77 50 4d 85 f6 75 03 4c 8b 37 e8 9d aa fc ce 48 c7 c1 1e 9d ce c0 4c 89 f2 48 c7 c7 95 9c ce c0 48 89 c6 e8 54 fc 7b ce <0f> 0b e9 bd fd ff ff 45 85 f6 0f 84 f7 fe ff ff e9 e5 fe ff ff 0f [ 1.880507] RSP: 0018:ffffc07c007d77f8 EFLAGS: 00010286 [ 1.880509] RAX: 0000000000000000 RBX: ffffa0a51708c000 RCX: c0000000ffffefff [ 1.880510] RDX: 0000000000000000 RSI: 00000000ffffefff RDI: 0000000000000001 [ 1.880511] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000003 [ 1.880511] R10: ffffc07c007d7688 R11: ffffffff90eca3a8 R12: 0000000000000000 [ 1.880512] R13: ffffa0a563966e00 R14: ffffa0a50267bbf0 R15: ffffa0a517d0c000 [ 1.880513] FS: 00007f90bb429900(0000) GS:ffffa0ac90300000(0000) knlGS:0000000000000000 [ 1.880514] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1.880514] CR2: 00005609c42952c8 CR3: 0000000116428004 CR4: 0000000000f70ef0 [ 1.880531] PKRU: 55555554 [ 1.880531] Call Trace: [ 1.880533] <TASK> [ 1.880534] ? __warn+0x80/0x120 [ 1.880537] ? intel_tc_port_update_mode+0x2ac/0x340 [i915] [ 1.880635] ? report_bug+0x164/0x190 [ 1.880638] ? prb_read_valid+0x1b/0x30 [ 1.880640] ? handle_bug+0x3c/0x80 [ 1.880645] ? exc_invalid_op+0x17/0x70 [ 1.880646] ? asm_exc_invalid_op+0x1a/0x20 [ 1.880649] ? intel_tc_port_update_mode+0x2ac/0x340 [i915] [ 1.880738] ? intel_tc_port_update_mode+0x2ac/0x340 [i915] [ 1.880818] intel_tc_port_init_mode+0xea/0x1e0 [i915] [ 1.880897] intel_tc_port_init+0x19b/0x230 [i915] [ 1.880976] intel_ddi_init+0x986/0x1060 [i915] [ 1.881062] ? __pfx_intel_ddi_init+0x10/0x10 [i915] [ 1.881143] intel_bios_for_each_encoder+0x35/0x50 [i915] [ 1.881245] intel_setup_outputs+0x386/0x8b0 [i915] [ 1.881345] intel_display_driver_probe_nogem+0x13d/0x220 [i915] [ 1.881439] i915_driver_probe+0x656/0xbb0 [i915] [ 1.881514] local_pci_probe+0x42/0xa0 [ 1.881517] pci_device_probe+0xc7/0x240 [ 1.881519] really_probe+0xd3/0x390 [ 1.881522] ? __pfx___driver_attach+0x10/0x10 [ 1.881523] __driver_probe_device+0x78/0x150 [ 1.881524] driver_probe_device+0x1f/0x90 [ 1.881526] __driver_attach+0xd2/0x1c0 [ 1.881527] bus_for_each_dev+0x85/0xd0 [ 1.881530] bus_add_driver+0x112/0x240 [ 1.881532] driver_register+0x59/0x100 [ 1.881533] i915_init+0x22/0xc0 [i915] [ 1.881606] ? __pfx_i915_init+0x10/0x10 [i915] [ 1.881675] do_one_initcall+0x58/0x320 [ 1.881679] do_init_module+0x60/0x240 [ 1.881682] init_module_from_file+0x89/0xe0 [ 1.881684] idempotent_init_module+0x120/0x2b0 [ 1.881686] __x64_sys_finit_module+0x5e/0xb0 [ 1.881687] do_syscall_64+0x82/0x190 [ 1.881689] ? syscall_exit_to_user_mode+0x77/0x210 [ 1.881691] ? do_syscall_64+0x8e/0x190 [ 1.881693] ? syscall_exit_to_user_mode+0x77/0x210 [ 1.881694] ? do_syscall_64+0x8e/0x190 [ 1.881695] ? do_syscall_64+0x8e/0x190 [ 1.881697] ? syscall_exit_to_user_mode+0x77/0x210 [ 1.881698] ? do_syscall_64+0x8e/0x190 [ 1.881699] ? syscall_exit_to_user_mode+0x77/0x210 [ 1.881701] ? do_syscall_64+0x8e/0x190 [ 1.881702] ? do_syscall_64+0x8e/0x190 [ 1.881703] ? do_syscall_64+0x8e/0x190 [ 1.881704] ? do_syscall_64+0x8e/0x190 [ 1.881705] ? syscall_exit_to_user_mode+0x77/0x210 [ 1.881707] ? clear_bhb_loop+0x25/0x80 [ 1.881709] ? clear_bhb_loop+0x25/0x80 [ 1.881710] ? clear_bhb_loop+0x25/0x80 [ 1.881711] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 1.881713] RIP: 0033:0x7f90bb5ce0e9 [ 1.881715] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 ff 4c 0d 00 f7 d8 64 89 01 48 [ 1.881716] RSP: 002b:00007ffd77d0cd28 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 1.881717] RAX: ffffffffffffffda RBX: 00005609c4286c10 RCX: 00007f90bb5ce0e9 [ 1.881718] RDX: 0000000000000000 RSI: 00007f90bb421522 RDI: 0000000000000024 [ 1.881718] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 1.881719] R10: 0000000000000040 R11: 0000000000000246 R12: 00007f90bb421522 [ 1.881720] R13: 0000000000020000 R14: 00005609c4272cb0 R15: 0000000000000000 [ 1.881721] </TASK> [ 1.881721] ---[ end trace 0000000000000000 ]--- [ 1.884081] i915 0000:00:02.0: [drm] Protected Xe Path (PXP) protected content support initialized [ 1.911326] [drm] Initialized i915 1.6.0 20230929 for 0000:00:02.0 on minor 0
